25 Developer/Engineer | Blockchain jobs

What we do We build products for our next financial system. As the first company in Colorado history to receive a state grant for blockchain technology, we are building the pipes now, the roads in the years to come, and the scaffolding for the next few decades. Our first product, RADAR RELAY, is a wallet-to-wallet decentralized trading platform. Since launch in late 2017, we’ve helped users from over 150 countries around the world trade more than $200m worth of tokens. With our $10m Series A we launched our second product, RADAR ION, a guide to getting started on the Lightning Network. But, we’re just getting started. What you’ll do As a Backend Engineer you’ll find and apply patterns to keep complex codebases maintainable and scalable. You’ll work closely with product managers and the rest of the engineering team to implement and ship useful products and features. Ideally, you have 3+ years of engineering experience working with production web applications in fast paced software companies. Like the early days of the Internet, blockchain technology faces complex new infrastructure challenges. We need your help to lean into the friction and help this technology find a path forward. What you’ll bring to the team Strong opinions on technical patterns and standards used across the company as product(s) scale up An interest in sharing knowledge across our engineering team and open sourcing work to the community Expertise in: Object Oriented Programming language ie. Java, C#,  Typescript Docker or other containerization methods MySql and Redis DevOps/infrastructure tools (ie. Kubernetes and  Terraform ) GraphQL What you’ll get Competitive compensation, stock options, and fully paid medical, dental, and vision insurance Four weeks flexible vacation and 11 paid holidays An opportunity to put a dent in the universe

We’re looking for talented developers with a range of skills to help us build the future of crypto payments. Our core consumer facing product, BlockCard, is a crypto debit card available in the US. We have built a whitelabel platform for easily onboarding partners to run their own cryptocurrency debit card programs using our technology. Existing partners include both Litecoin and  Bitcoin.com . Applicants should reside in Charlotte, NC, Atlanta, GA, or Alpharetta, GA. RESPONSIBILITIES Ultimately, you’ll be responsible for helping our team build and maintain BlockCard. As an early member of our team, you have the opportunity to help shape our internal processes and culture. You will have a direct impact on our application architecture. You’ll get the chance to work across a variety of technologies. As much of our team works remotely, we look for candidates with strong communication and problem solving skills. We expect you to be able to take end-to-end ownership of product features. You will become a subject matter expert as it pertains to our underlying application architecture. You should be well versed in debugging and troubleshooting user reported errors as well as providing fixes. You should be able to succinctly convey business requirements to the development team and de-obfuscate development decisions back to leadership. You will play on improving the underlying application architecture in terms of performance, caching, security, uptime, and error handling. You will be responsible with helping to move us to a CI/CD environment, which entails a shift in the development. REQUIREMENTS * A strong background in writing Node.js applications (i.e. Express.js) * A background in CS: algorithms, data structures, system design, and database design * A history of unit testing or behavior driven development experience * Prior experience with continuous integration and/or automated build tools such as Jenkins, CircleCI, or TravisCI * A strong interest in blockchain and cryptocurrencies (are you hodling?) EXPERIENCE We favor candidates with experience in several of the following languages and frameworks: * Node.js (Express.js and Typescript) * Laravel (PHP) * Go * Vue.js * React * React Native NICE TO HAVES * Experience working with highly available application architectures * API design experience * DevOps or Linux systems administration experience * Cloud management experience (AWS, Google Cloud) * Redis experience * MySQL and/or Postgres experience *  Socket.IO  (WebSockets) experience * Algorithmic trading experience Lastly, if you have prior experience working with blockchain related applications, exchange APIs, or core cryptocurrency nodes such as bitcoind, geth/parity, Stellar Horizon, or others, please let us know.

We’re looking for talented developers with a range of skills to help us build the future of crypto payments. Our core consumer facing product, BlockCard, is a crypto debit card available in the US. We have built a whitelabel platform for easily onboarding partners to run their own cryptocurrency debit card programs using our technology. Existing partners include both Litecoin and Bitcoin.com. Ideal candidates live in either Charlotte, NC, Atlanta, GA, or Alpharetta, GA. Willing to hire remotely for exceptional candidates residing in the US. RESPONSIBILITIES Ultimately, you’ll be responsible for helping our team build and maintain BlockCard. As an early member of our team, you have the opportunity to help shape our internal processes and culture. You will have a direct impact on our application architecture. You’ll get the chance to work across a variety of technologies. As much of our team works remotely, we look for candidates with strong communication and problem solving skills. We expect you to be able to take end-to-end ownership of product features. You will become a subject matter expert as it pertains to our underlying application architecture. You should be well versed in debugging and troubleshooting user reported errors as well as providing fixes. You should be able to succinctly convey business requirements to the development team and de-obfuscate development decisions back to leadership. You will play on improving the underlying application architecture in terms of performance, caching, security, uptime, and error handling. You will be responsible with helping to move us to a CI/CD environment, which entails a shift in the development. REQUIREMENTS * A strong background in writing Node.js applications (i.e. Express.js) * A background in CS: algorithms, data structures, system design, and database design * A history of unit testing or behavior driven development experience * Prior experience with continuous integration and/or automated build tools such as Jenkins, CircleCI, or TravisCI * A strong interest in blockchain and cryptocurrencies (are you hodling?) EXPERIENCE We favor candidates with experience in several of the following languages and frameworks: * Node.js (Express.js and Typescript) * Laravel (PHP) * Go * Vue.js * React * React Native NICE TO HAVES * Experience working with highly available application architectures * API design experience * DevOps or Linux systems administration experience * Cloud management experience (AWS, Google Cloud) * Redis experience * MySQL and/or Postgres experience * Socket.IO (WebSockets) experience * Algorithmic trading experience Lastly, if you have prior experience working with blockchain related applications, exchange APIs, or core cryptocurrency nodes such as bitcoind, geth/parity, Stellar Horizon, or others, please let us know.

Alex Tosney is recruiting for a Software Developer to join a blockchain technology start-up to work on their proof of stake blockchain platform for distributed applications. This is a permanent position that can be 100% remote based. The main purpose of the role will be to define and implement state of the art technical solutions, that are scalable, measurable and secure. Further responsibilities will include: · Architect scalable backend systems, services, and APIs · Evolve our long-term vision for maintaining and scaling our backend systems · Design high reliability services that can withstand large fluctuations in traffic · Monitor our backend performance, identify performance bottlenecks, and find ways to reliably resolve them · Write backend code that is fast, reliable, but also highly secure · Maintain and evolve our quickly-growing test suite · Collaborate effectively with other staff to solve complex problems. · Provide mentorship and lead strong development practices inside the team. In order to be considered for this role, you will be required to have the following qualifications, skills and experience: · Working experience with Rust and a solid foundation with C++, Java, and/or Scala. · Experience with mathematics and computational mathematics within blockchain domain. · B.S., M.S., or Ph.D. in Computer Science, Math, or another technical field preferred (equivalent professional experience is acceptable) · Expertise in Scala. · Extensive professional experience in a full stack capacity · Experience leading a team of engineers · Experience with blockchain and smart contract technologies, related cryptographic principles, both theory & practice · DevOps knowledge For more information or to apply for this position, please contact Alex Tosney on 0041 (0) 41 7825 08 443 or email atosney@ckqls.ch. Please could you send any correspondence in English. Please quote reference 46898 in all correspondence.

The Flow team is looking for an experienced engineer who relishes the opportunity to connect, communicate with, and build a rich developer community around the high-performance, app-focused smart contract platform we’ll be launching in 2020. As the team Engagement Engineer, you will work directly with the Product and Engineering teams to define the strategic positioning of Flow and lead all developer outreach efforts. You will be the oracle of development for everyone who is excited to build on Flow.  In a quickly evolving space, you understand the value of well-structured and well-documented code and you want to share it with the world. You’re eager for the opportunity to build and communicate a new category of computing platform. Together, we will establish a thriving software ecosystem, bringing decentralized applications to an audience numbered in the billions. The ideal candidate will have demonstrated experience creating rich communities, have a background contributing to open source projects, and a track record of setting a standard for excellence in communicating highly technical topics.  A little about us: Flow is a blockchain for creators. Built by Dapper Labs, the team behind CryptoKitties, Flow will be the foundation for the next generation of decentralized applications with notable partners including Warner Music Group, Ubisoft, and Animoca. The Flow team is a humble and curious bunch of builders and scientists who share a passion for blockchain technology and the new kinds of software it enables. Our people are our greatest strength: our diverse team flourishes in an environment where personal autonomy and professional growth are encouraged. We value our culture above else; regardless of where you came from or what you studied, your role here will necessitate both a high level of creativity and strategic thinking on complex issues. What we’ll accomplish together: Set the standards for well-documented, cleanly-structured code that the Flow community will engage with and build on top of Refine our developer experience at every touchpoint, from defining aspects of the programming environment, to installing node software, to using Flow’s APIs  Build a dev community with a supportive culture that is oriented around principles of transparency and verifiability  Define and communicate best practices for smart contract development Commit to the relentless professional and personal improvement of you and your team Ensure that our work is ethical and values-driven to create a positive impact on the world A little about you: Enjoy writing code with a mind for the other people who will read and use it  Excel at producing good, straightforward code in many environments  Directly contributes to open source development projects Demonstrated excellence coordinating developer support programs Have a firm grasp of the core concepts relevant to decentralised systems: consensus algorithms, asymmetric encryption, secure hashing, Byzatine fault tolerance, deterministic virtual machines, cryptoeconomic incentives, and more Bonus points: Contributions to an existing blockchain project or dapp Leadership experience with a major open source project How to apply: Please include your resume and/or LinkedIn Please include GitHub links to any relevant open source repositories Please answer the following question in 200 words or less: What do you think the most important part of building a strong developer community is? Examples welcome. A little more about us: At Dapper Labs we recruit the best and foster an environment that empowers our team. That means a workplace that is diverse, inclusive, and open-minded. We welcome applicants of all backgrounds, regardless of race, colour, religion, sexual orientation, gender identity, national origin, or disability.    Because we care about our team, we work hard to provide perks that make their lives better by offering: Flexible vacation & remote work policy - most team members take between 15-20 days off per year, but we have no hard limit Diverse opportunities for learning and development On-site gym and fitness reimbursements Dog friendly office! Check out our careers page to learn more about what other benefits we offer!

Closing Date (MM/DD/YYYY):  02/02/2020 Worker Type:  Permanent Language(s) Required:  English Experience in software development needed Accountable for the development of FCC’s technical solutions including the design, development, testing and deployment of code, and interpretation of business requirements. The Senior Developer role is an informal leadership role, while developing complex components of a solution. What you’ll do:   Design and develop extensible and responsive web applications using Angular and Bootstrap   Write backend service frameworks using Java, Spring and Hibernate  Actively contribute to code reviews and automated testing Maintain strong ownership of product quality, supportability and development practices Be part of an agile cross-functional development team  Develop on MacBook Pro  What we’re looking for:   Passion for technology and software development  Advocate of smart, clean and maintainable code Drive to succeed in a fast-paced, evolving environment  Innovative problem-solver and critical thinker with a customer focus Intellectual curiosity and a desire to never stop learning Informal leader and mentor for other developers about discipline patterns, and other development concepts    What you’ll need:   A degree in computer science or engineering and at least five years of experience (or equivalent combination of education and experience) To apply, click here:  https://fccfac.wd3.myworkdayjobs.com/en-US/careers-carrieres/job/Regina-Saskatchewan/Senior-Developer_R-1001227

Industry: Financial Markets Location: SF, Remote OK Type: Full time Vectorspace AI is a natural language processing dataset company. We use formal and experimental NLP/NLU models originally developed by our team at Lawrence Berkeley National Lab for the purpose of extracting hidden relationships between objects like stocks, genes, and drug compounds. Our utility-token API gives financial institutions access to updating correlation matrix datasets used to generate alpha. Learn more about our recent work with Elastic here: https://www.elastic.co/blog/generating-and-visualizing-alpha-with-vectorspace-ai-datasets-and-canvas We are looking for an NLP/NLU Engineer to help us scale our enterprise-grade correlation matrix dataset API. Required skills:  Python, word2vec, GloVe, Scikit-learn, pandas, numpy, NLP and other word embedding libraries, standard correlation coefficient calculations. Details:  Vector analysis and creation of variants for correlation coefficient calculations. We're using Python primarily along with Tcl related to data engineering, crawling, vector analysis and general data science operations. Data pipelines are maintained in Python along with near real-time reporting and visualization. Experience: Intern, entry level, junior and senior engineering and product related positions are available. Compensation (range): Market

We are looking for a full-time Full-stack Developer to assist in building out various tools and products for stake.fish's users. Responsibilities Implement responsive UI and front-end web applications that work on desktop, mobile and other popular devices Create backend server code that are secure, fast and extensible Design database schema that are performant, scalable and maintainable Leverage continuous integration and other modern techniques to improve development  velocity Leverage automated testing framework to create test cases Build great products that are beautiful, simple, and delightful Continuously iterate and improve using collected metrics and direct user feedbacks Proactively make suggestions for improving bitfish products and internal processes Requirements The highest level of integrity, ethics and compassion is required for this and any position at bitfish 5+ years of experiences with full stack web applications A track record of launching great products Extensive experience with TypeScript, JavaScript, JS modern tooling and libraries Extensive experience with HTML, CSS, preprocessors and related web technologies Extensive experience with Node.js, Go (Golang) and their ecosystems of tools and  libraries Deep experience with databases such as MongoDB, PostgreSQL Deep experience with message queues and caching technologies such as RabbitMQ,  Redis Fluent in JavaScript frameworks and tools, such as React, Redux, Vue, webpack Comfortable with ambiguity, able to take charge and get things done despite the  unknowns Ability to mentor junior members on the team Experience working with ĐApps would be nice-to-have but not required Experience working with container technologies such as Kubernetes and Docker would  be nice-to-have Please include links to any of your work you would like to share with us while we consider your application.

We are looking for excellent backend Golang engineers to join our project. Location can be remote. We do not look at this as a job but we are building a collective of amazing engineers and people working together to create a revolutionary App for the masses backed by a system with cutting edge tech. As a project we prioritize value generation first for everyone. Scope of Work: ​* Implementation and re-design of System Architecture * Constant performance testing and improvement of our architecture​   * Lots of work around trading and high volume data handling and transfer * Design and implementation of a low-latency, high-availability, and performant algorithms * ​Work with Stellar, Codius & Interledger - Distributed Ledger Technologies * Working on completely novel financial products & services in the crypto/blockchain/DLT world, setting up the base-layer infrastructure of a trading system * Possibly Artificial Intelligence, Machine Learning and Deep Learning Skills & requirements ​* 3+ years of experience as a backend engineer, language agnostic but Go, NodeJS required. * Strong proficiency & experience working with Golang, Microservices, Google Cloud Services and potentially Firebase Services for MVP build as well as Docker & Kubernetes. * ​Experience and passion working with distributed systems and networking, Stellar advantageous * Strong interest in blockchains/DLT and related technologies, for our solution Stellar and potentially Codius & Interstellar will be required * Passion for delivering quality, secure code, robust architectures and proficient at testing * User authentication and authorization between multiple systems, servers, and environments * Interest in privacy and cryptography, trading and financial service * Potential Interest or experience in Artificial Intelligence, Machine Learning & Deep Learning *​Understanding fundamental design principles behind various consensus algorithms *Understanding differences between dPOS, DAGs, Plasma, BFT, aBFT, etc. *Implementing automated testing platforms and unit tests *Proficient understanding of code versioning tools, such as Git Your education or experience is much less relevant than your skills and drive. We mainly look for people who are passionate about projects they work on and have the drive to see a project through. The code will be mostly done in Golang. =================================================================================== We are currently in the process of launching an IEO or a series of IEO rounds, the remuneration package will be determined by this and will be discussed once you have applied. What to send: ​1] Anything that reflects on your knowledge and experience in the field 2] Links to your GitHub/Stack Overflow/Portfolio/something awesome you've built that you’re proud of 3] A resume and/or LinkedIn profile 4] How many hours/week would you be able to work on the project?

The developers will join an existing project team located in Luxembourg. They are currently in the architeture phase. Main responsibilities Ownership of the vertical stack of the assigned use case (the 3 mentioned above), perform the components integration either open source or coming from dev team. Experience in main development languages; proven experience in the integration of open source components, including cloud foundry, data stores, analytics, API management, containers, micro services, IaaS, …  

Job Description   Propine  is a fintech startup based in Singapore and funded by Decacorn Capital and SGInnovate. We make storing and servicing digital assets safe, reliable and convenient for institutions.  We are looking for blockchain engineers to join our Product team. The Product team is responsible for building world-class applications that help our customers manage their digital assets securely.     Job Requirements   Develop and maintain our products  Implement new features on our applications which serves our customers Integrate our applications to various native blockchains Investigate and resolve discovered defects Write tests to ensure correct functionality Document changes and guides for the applications Collaborate with other team members and stakeholders Setup and maintenance of infrastructure   Setup and secure blockchain nodes and application servers Write scripts to automate the deployment of infrastructure Perform regular maintenance on servers and nodes to ensure business continuity On-call rotation for incidents Document steps and processes for the setup and maintenance of infrastructure   Provide technical support    Provide technical support for our customers Document solutions for common problems Provide technical support for our operations team to solve operational issues Perform operations   Perform operational duties on a rotational basis Document operational processes  Governance and Compliance   Follow defined processes to ensure that compliance is met   Knowledge on digital assets   Keeping abreast of the developments in cryptocurrencies and digital assets   Qualifications   Bachelor’s degree in Computer Science or related 4-6 years of experience in a software role.  Experience in writing applications using Javascript, Ruby on Rails, React & Redux Experience in managing Linux servers Experience programming with Bitcoin, Ethereum or other crypto currencies Good communication skills Self-motivated, able to work successfully as an individual contributor or as a team member Organized with attention to detail; proven ability to conceptualize, plan and execute ideas while providing training and skills transfer to others

At the heart of BC Group, is a committed team of amazing people. We are focused on building an exceptional work environment where our people can bring their very best to work every day. We believe in hard work, collaboration and authenticity.  We are pioneers building a new fintech ecosystem and looking for like-minded people to join our team. If you are someone who is driven by making a difference, we would be excited to talk to you! About the Role  We are looking for a Principal Engineer to join our team. Passion for technology and for continuous learning and improvement are the main requirements for this role. You will become a key part of this exclusive team developing trading platforms in the emerging digital asset space. This will include w orking closely with our trading desk and flagship institutional exchange. You will work on a mix of greenfield and brownfield projects with strong focus on incremental continuous delivery of value. You should be an advocate for Agile, Lean and DevOps working styles with strong knowledge of automation, test driven development and a desire to help your teammates improve.  Responsibilities - Above all strive every day to fulfil BC Group’s mission to unleash the full potential of the blockchain ecosystem - Work as a key member of a cross functional technology team - Full DevOps software development lifecycle from idea to delivery and support - Mentor more junior colleagues - Champion the use of new tools and techniques - Help drive continuous impro vement culture across BC Group If you match some or all of these, we would love to meet you: - Passion for technology and continuous learning  - Strong software development skills in one or more development languages such as Java SE 8 (or later), Kotlin, Go, C#, Scala, Clojure, C++ or similar and willingness to learn and use others as required to deliver solutions - Experience with RESTful, WebSockets and/or Messaging driven micro services - Experience using modern software development practises such as Agile, Lean, DevOps - Experience with test driven development (including TDD, BDD, DDD), continuous integration and continuous delivery - Strong communication skills and passion for sharing best practises with others - Experience with AWS (or other similar cloud providers), containers, orchestration and other related technologies advantageous - Exposure to blockchain, cryptocurrencies, digital assets or traditional finance highly regarded

Cryptexxx is seeking a Blockchain engineer who specializes in creating and programming a digital solution for this company. A Salary is yet to be determined as we are currently seeking members to join our team.    Job Skills - Excellent technical abilities, effective analytical skills, and strong attention to detail. 

Hello,   Please go through below job description and let me know your interest   Role : Blockchain Developer Work Location : Irving, TX 75061 Duration :  Long Term Contract Experience: 4+ Year   Job Details: Must Have Skills Hyperledger Ethereum Corda   Good Knowledge of Spring Boot, Knowledge of Networking is an advantage.   Top 3 responsibilities you would expect the Subcon to shoulder and execute Design Deliverables Knowledge sharing   Thanks   Sumit Talekar | Talent Acquisition Specialist | SILVERLINK TECHNOLOGIES LLC 1123 Broadway,Suite 301, New York, NY 10010 Email: sumit@silverlinktechnologies.com | Phone : 646-224-0697 Gmail: sumit.silverlinktechnologies@gmail.com LinkedIn : https://www.linkedin.com/in/sumit-talekar-068984114/

Cryptexxx is looking for a blockchain developer with a background in software development. 

Bitwage is the leader in Bitcoin and Cryptocurrency payroll, invoicing and benefits services. With 500 companies and 30,000 users registered, Bitwage is looking to grow our team to meet market demands. We have raised $1MM from top investors, including Draper Associates, Plug and Play Ventures and BPI France. We are looking for a senior full stack developer to join our Minneapolis software development team. The senior developer will work with our CEO, CTO and VP of Engineering to work on various projects relating to the following: General web application upgrades Cryptocurrency deep technology features New SAAS services Implementation of 3rd party APIs UI/UX Upgrades Implementation of 3rd party marketing software Software development for marketing projects Bug fixes The job offers a generous remote work policy. Applicant should be a self-sufficient individual who learns fast and likes to work in fast paced environments. Join an early stage startup in a fast growing industry. Requirements: Bachelor’s degree in Computer Science or equivalent. Or, if you skipped formal schooling, tell us how you kicked butt with a previous project or company 4+ years of experience in full-stack development Familiarity with Python, Node.js, or Google Firebase would be ideal Ability to develop, test, and maintain clean and modular code Experience with NoSQL databases such Mongo, or preferably Google Firestore Knowledge of UX best practices Knowledge of architecture and design best practices Proficient understanding of code versioning tools, such as Git Experience with Google app engine or Amazon web services. Knowledge of React/Angular/Vue front-end Basic understanding of blockchain programming

Responsibilities: - You'll be required to develop upon our new product which is written on the MERN stack. - You should be capable of building and leading a team of developers focused on building the product in a constantly evolving environment. - You'll need to be a fast-paced individual who can not only multitask but prioritizes the tasks based on their urgency in a demanding environment. - You'll be expected to handle the production server administration, deployment, testing and development of the same. Requirements: - Should have Min. 1 years of experience in one or more Node.j( Loopback.io ), Express.js - Experience with WebSockets / Socket.io . - Experience with the JADE template engine and module management with NPM. - Experience with REST web services and JSON manipulation. - Experience with MongoDB, Redis, PostgreSQL. - Experience with AWS, server administration (shell scripting, firewall manipulation, ssh security, private networking, etc). - Experience with Git and Bitbucket. - Experience with Cloudinary, Cloud-flare or any other CDN's would be a major plus. - Open-source contributions will be a plus. - Ability to work in a team. - Strong knowledge of CSS, HTML. - Interest in cryptocurrencies and algorithmic trading. - Willingness to learn and develop new skills.   Nice to Have: - Experience with Kubernetes, Docker or container technology. - Experience with ReactJs, Redux. - Experience with Electronic trading exchange and/or high transactional volume applications. - Experience in Developing trading engines, especially for Crypto Assets Exchanges   Key Details: Location: WeWork, Gurugram Maximum notice period: 1 month.  

Responsibilities: You will join us in our goal to create the easiest and most reliable product experience for our users. We are looking for a Front-end developer who is familiar with the latest techniques and tools in the front end area. Within the team, you will work on all aspects of the product although we respect front or back-end focus. Your responsibility is to think with the team about the best solution for the goal the Product owner would like to achieve. You will write well structured, tested code and review the code of your team members. You will have our support to be continuously learning, and the autonomy to decide which skills to nurture that will help our company reach the next level. Qualifications: Minimum one year of experience in React, Redux Experience with Build systems e.g. Webpack/Grunt/Gulp In-depth knowledge of HTML/XHTML/HTML5 Experience with Testing frameworks e.g. Karma/Jasmine/Protractor/Cucumber/Mocha/Jest Experience with interface development toolkits: e.g. Less/SASS Experience with web service integration protocols such as REST & GraphQL In-depth knowledge of Javascript e.g. ES5/ES6/Typescript Strong Knowledge of CSS 3 Must be a strong team player Have a good understanding of design and user experience principles. Experience in dealing with cross-browser compatibility requirements Understanding of mobile development best practices (e.g. responsive design, graceful degradation, etc.) Ability to work independently as well as on a team and learn from colleagues Open-minded, flexible and willing to adapt to changing situations Good designing & color combination skills Experience with Git or other version control systems. Key Details: Location: WeWork, Gurgaon.