17 Developer/Engineer Smart Contract | Blockchain jobs

Job Description Propine Capital is a fintech startup based in Singapore. We are graduates from Entrepreneur First(www.joinef.com), one of the top startup accelerators globally. We are building infrastructure for institutions to manage their digital assets. Join us to build a decentralised future. We are looking for blockchain engineers to join our Engineering team. The Engineering team is responsible for building world-class decentralised applications to help our customers manage their digital assets securely. Job Requirements Develop and maintain our decentralised applications 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 stakholders 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 other

Dear applicants - you know what it means to post good content? Have you ever heard of Influencer Marketing? You think long term? Then you are exactly right with us. We are the founders of CryptoHorse. CryptoHorse is the world's first blockchain platform where you can buy, sell, collect, breed, and race horses created on Ethereum Blockchain. Why should the project arouse your interest? The gaming market is growing very fast. NewZoo's Global Games Market Report shows that 2.28 billion players worldwide are expected to spend $ 137.9 billion in 2018. This represents an increase of $ 29.8 billion or 21% over the previous year. So there is a lot of money and a big increase! Now we know that games make a billion in revenue - but what does the user get out of it? Combined with the blockchain future technology, we have created a model where our users can combine the game world with the opportunity to earn money, have fun and be part of the next big technology. You can not see the potential? That's why we give you the example "CryptoKitties". They did the same thing - only with cats and without races. In fact, they generated $ 20 million in revenue by the end of 2017 - by the way, a cat was sold for $ 100,000. In November, Samsung and Alphabet invested $ 15 million in CryptoKitties. Now think about the differences between cats and horses. Horses have been traded for millennia and there is a great tradition and community for horse racing around the world. There is a bigger market and more options with our CryptoHorses. What do we need and want to do with you? We want to build the best horse racing on Blockchain for the whole world. Our blockchain-based horse racing game is in the final stages of completion. We offer a solid start with first users and sales. We are looking for reinforcements for our great team, which sees the huge potential of CryptoHorse and makes us bigger than the kittens! Now it is up to you to make the decision that you will never regret. We expect from our co-founders a 3 to 6-month share-based collaboration. also offer internships We offer a remote workplace. Once we have collected investor funds, there is an above-average fixed pay and other extras such as team meetings on the most beautiful islands on earth ... We are only interested in co-founders who have the will and willingness to learn something new or share their knowledge with us. We are looking for top-motivated and human co-founders. We do not care about education, origin, gender, etc. What matters is your will to move forward with us in big strides. If you are interested, please send a CV and  e-mail to ceo@cryptohorse.ch I will gladly send you further information. (PitchDeck) We can only consider applications that are sent directly to us via email. ceo (at) cryptohorse.ch Regards Markus CEO CryptoHorse Project

Work as part of our globally distributed engineering team with IT, Product, Marketing and Business Development teams to define, develop, and deliver best- in class frontend solutions. Become an essential member of this disciplined, cross-functional engineering group, coordinating and consulting on work across countries and functions. Focusing on Blockstate’s front end, you will shape the first impression of our venture. You will care about our audience by designing and implementing data presentation processes that show our innovative approach. Required domain knowledge The Web3 infrastructure – you have heard about and used the Web3, the frontend for the Ethereum blockchain written in Javascript Implementing visual and interactive elements that users engage with through their web browser when using a web application Management of external contractors – offloading work packages to external agencies and individual freelancers is not new to you Financial data visualisation – we source, process and present large amounts of financial data. Knowledge about graph plotting frameworks, browser-based data analysis tools and basic concepts of a good UI are expected Secure delivery – you are competent with front-end security for web-based applications that do not allow the bad guys to steal our customer’s precious data Mobile-first – you know best practices for mobile development by heart Our Stack React.js, nodejs and plain Javascript for our web applications Web3 for interactions with the Ethereum blockchain Modern software engineering practices (TDD / CI / CD etc) Distributed Cloud Services and containerization tools like Docker In order to excel Be a team player, but remember your job: You’ll need to be very comfortable working day-to-day as part of a development team, shipping code while remaining accountable specifically to the Frontend Delivery group Be a leader for freelancers and agencies that help us with our work Be accountable and own the outcomes; Blockstate’s software runs operations for major financial markets worldwide. It must scale. You are leading that effort Understand our products in depth: you are the expert on enterprise capability of our platforms and can talk about them at business level too. What problems do they solve? Have a detailed awareness of our priorities, both as a business and at the individual product level. Develop your test plans with that firmly in mind Remember your mission: Your group is responsible for creating an environment in which software performance and scalability are integral to the development process so you have to think about how to get your software engineer colleagues on board Be ‘all in’: Fix broken things. Take the load off others and reject second best Understand the cost/benefit trade offs being made. Articulate the risk and reward to help engineering discover the right balance What we offer A market-ready salary with a full-time German employment contract including salary and tokens A relaxed and supportive team and the opportunity to learn from experts in their fields An office in Berlin-Mitte, free drinks and regular team events Remote work is possible, but for the majority of time we will need you in the office

Blockchain/web3 developer Responsibilities Take ownership of the development and maintenance of the bridge interface between smart contracts and the native web experience. Create smart contracts for creation, issuance and trading of financial instruments on the blockchain based on Ethereum. Requirements Expert understanding of: Solidity, Truffle, Javascript, modern development tools. Experience working with Web3 technologies. Proven ability to ship quality, well-crafted code. Being an autonomous individual with a proactive attitude. Nice-to-haves Experience with Polymath protocol. Very good communication skills.

Chief Engineer – REMOTE – Blockchain – Permanent Salary: £150k - £155k Plexus are currently partnered with a rapidly emerging tech company who are in search of a Chief Engineer to join them as they create a revolutionary platform. This is an exciting opportunity to become part of a small fast paced team, made up of strong academics who are passionate about the technology they are building. Job Role This is a senior role where you will lead the development of key features on their ground-breaking platform for smart contracts. You will be responsible for building out production level code as well as managing the development lifecycle through to testing and deployment. Requirements Experience in programming languages, ideally Node.JS DevOps Experience (Docket, Kubernetes, Chef, Puppet, Jenkins, etc.) Proven Cloud experience (AWS, Google Cloud, Azure, etc.) Experience in managing tech teams of Developers, DevOps, Product etc A track record of working on highly-complex SaaS software Passion for Blockchain technology Benefits The opportunity to work on and up-skill in brand new Blockchain technology Remote working option

Software Engineer (Node.JS) – Remote - Blockchain Software Engineer (Node.JS) – Remote - Blockchain - This is a rare opportunity working as a Remote Node.JS Engineer within the Blockchain space The team is built up of strong academics who are passionate about the technology they are building and are looking to add like-minded people to their team. They are currently creating Blockchain technology around smart contracts. The start-up has created their own programming language for smart contracts and are looking for Node.JS engineers with an entrepreneurial spirit. In this role you will be delivering high-quality software, building out production level code and managing the development lifecycle through to testing and deployment. Looking for: Developers who have been working on building high-performance, secure, RESTful applications People who are passionate about the technology they are using and are always keen to learn and adapt to new challenges Experience in programming language such as Node.JS Experience with DevOps (e.g. Docker, Kubernetes, Chef, Puppet, Jenkins etc) Experience with Cloud (AWS ECS, Lambda, Azure, Google Cloud etc) Benefits You will have the opportunity to work on and up-skill in brand new Blockchain technology Remote working option  

Fully Remote Contract Rate Negotiable Plexus are proud to be working with a Blockchain protocol who are building interoperability between Blockchain platforms. Their distributed team are looking for a C++/Solidity Expert to join in line with their roadmap. The successful individual must have had commercial experience using Ethereum, Solidity, Geth or worked on Ethereum at a protocol level. Requirements Must have 4+ years expertise in C++ Strong understanding of Ethereum at a protocol layer Ability to code Smart Contracts For More information and to apply, please fill send a CV in application below.

Compiler Engineer – Blockchain – Remote Compiler Engineer – Blockchain – Remote - This is a rare opportunity working as Remote Compiler Engineer within the Blockchain space The team is built up of strong academics who are passionate about the technology they are building and are looking to add like-minded people to their team. They are currently creating Blockchain technology around smart contracts. The start-up has created their own programming language for smart contracts and are looking this engineer with experience (commercial or academic) with compilers/WASM. In this role you will be translating their bespoke language over to the likes of Corda, Tezos, EOS, Hyperledger, Ethereum. Looking for: Developers who have been working on compilers ranging from open source to academic to commercial experience People who are passionate about the technology they are using and are always keen to learn and adapt to new challenges Degree qualification ideally PhD   Benefits You will have the opportunity to work on and up-skill in brand new Blockchain technology Remote working option

Veryfile is a global blockchain network for high-quality sensitive file management. Customized smart contracts will eliminate country borders and connect businesses worldwide. Our product enables an on-demand system that solves the current problems of tracking, security and monitoring of sensitive files and documents. The CEO and founder comes from international job experiences with an international education gained from studies performed between USA and Italy. Now, he is seeking a technical co-founder / blockchain CTO with proven success in creating successful products and leading an engineering team. VeryFile has signed up well-known advisors, ecosystem partners and have completed a thorough market research campaign. Now we move on to sign global employers to the platform. The founder is currently finalizing to plan the ICO campaign. A top tier national law firm is handling the regulatory aspects. VeryFile plans to raise approximately $15 to $24 million through a private presale and ICO. If you’re a good fit for this unique opportunity to join the project at the earliest stage. Feel free to message with any questions. Job description:   Do you consider yourself a full-stack dev with architecture skills and passionate about Blockchain technology? Do you want to be part of something that will provide seekers with new pathways to market relevant skill development, connecting global employers and job seekers in new ways? Do you think that the blockchain ecosystem data transparency and the token economy is one of its greatest advantages? If Yes, to all of the above we are looking for a partner that is ready to architect a system from the ground up. You will guide the technology from its inception, including blockchain strategy. The initial focus will be on building an Ethereum based product, but this may evolve in time.   Responsibilities Back End Development of DLT projects Contribute to software architecture and design Participate in technical discussions and presentations Provide timely and accurate technical feedback to team members and share information with other company departments when needed Create technical documentation of the developed software Develop Unit tests when needed Further development, implementation and maintenance of the developed software Participation in customer / partner meetings to present technology developed by VeryFile Sagl along with technical updates Required Skills Background in cryptography or networking Knowledge of C++, Solidity, web3j, Java, Go, Node.js, Javascript, AngularJS/2 Functional language experience is a plus (Erlang, Ruby) + 2 years of dev experience Use of git/github/gitlab Linux/Unix Minimum 1 year experience in Crypto Currencies and Blockchain Technology BTC/IOTA/ETH/DASH etc. Develop the prototype/test-net for an initial pilot Unit testing Excellent communication and documentation skills Fluent in the English language, Italian language is a plus Successful startup experience and community building is a plus Personal qualities: Fast learner Highly motivated and able to work on own or within a team. Able to cope under pressure. An approachable, friendly, and enthusiastic personality. Strong interest in blockchain We offer: Competitive compensation package ( VER Tokens + % Revenue from the ICO ) Opportunities to reshape the document management ecosystem in high value and hyper-growth sectors Opportunity to enter the blockchain industry, work the Ethereum Blockchain and develop new skills Extremely passionate, platform design thinking and driven team environment   12,000  VER Token/month ; 0,35% ICO Revenues; Extra milestones bonuses; 1-year vesting schedule with a 3-month cliff _______________________ Please submit your CV and LinkedIn profile link. Include a short paragraph that describes what you’ve learned from your previous entrepreneurial activities.    

Veryfile is a global blockchain network for high-quality sensitive file management. Customized smart contracts will eliminate country borders and connect businesses worldwide. Our product enables an on-demand system that solves the current problems of tracking, security and monitoring of sensitive files and documents. The CEO and founder comes from international job experiences with an international education gained from studies performed between USA and Italy. Now, he is seeking a technical co-founder / blockchain CTO with proven success in creating successful products and leading an engineering team. VeryFile has signed up well-known advisors, ecosystem partners and have completed a thorough market research campaign. Now we move on to sign global employers to the platform. The founder is currently finalizing to plan the ICO campaign. A top tier national law firm is handling the regulatory aspects. VeryFile plans to raise approximately $15 to $24 million through a private presale and ICO. If you’re a good fit for this unique opportunity to join the project at the earliest stage. Feel free to message with any questions. Job description:   Do you consider yourself a full-stack dev with architecture skills and passionate about Blockchain technology? Do you want to be part of something that will provide seekers with new pathways to market relevant skill development, connecting global employers and job seekers in new ways? Do you think that the blockchain ecosystem data transparency and the token economy is one of its greatest advantages? If Yes, to all of the above we are looking for a partner that is ready to architect a system from the ground up. You will guide the technology from its inception, including blockchain strategy. The initial focus will be on building an Ethereum based product, but this may evolve in time.   Responsibilities Back End Development of DLT projects Contribute to software architecture and design Participate in technical discussions and presentations Provide timely and accurate technical feedback to team members and share information with other company departments when needed Create technical documentation of the developed software Develop Unit tests when needed Further development, implementation and maintenance of the developed software Participation in customer / partner meetings to present technology developed by VeryFile Sagl along with technical updates Required Skills Background in cryptography or networking Knowledge of Solidity, Java, Go, Node.js, Express, HTML, CSS & jQuery, AngularJS/2 Functional language experience is a plus (Erlang, Ruby) + 2 years of dev experience Use of git/github/gitlab Linux/Unix Minimum 1 year experience in Crypto Currencies and Blockchain Technology BTC/IOTA/ETH/DASH etc. Develop the prototype/test-net for an initial pilot Unit testing Excellent communication and documentation skills Fluent in the English language, Italian language is a plus Successful startup experience and community building, is a plus. Personal qualities: Fast learner Highly motivated and able to work on own or within a team. Able to cope under pressure. An approachable, friendly, and enthusiastic personality. Strong interest in blockchain We offer: Competitive compensation package ( VER Tokens + % Revenue from the ICO ) Opportunities to reshape the document management ecosystem in high value and hyper-growth sectors Opportunity to enter the blockchain industry, work the Ethereum Blockchain and develop new skills Extremely passionate, platform design thinking and driven team environment   15,000  VER Token/month ; 0,4% ICO Revenues; Extra milestones bonuses; 1-year vesting schedule with a 3-month cliff _______________________ Please submit your CV and LinkedIn profile link. Include a short paragraph that describes what you’ve learned from your previous entrepreneurial activities.    

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Blockchain Developer - Startup Blockchain Developer sought by an exciting and innovative Tech startup based in London. This is a fantastic opportunity for an experienced developer who has had some professional exposure to Blockchain projects who wants to continue to grow in this space.  You will be joining a bright, growing team to help revolutionise the online gaming space.  As a Blockchain Developer you will be required to demonstrate skills ideally in both Solidity and web3.js, but also have good fundamentals in Javascript. Some prior experience in Python, Go, node.js or C++ will also be adventitious. This opportunity not only holds excellent potential for rapid career progression, but also allows a step into a growing business at ground level. A Developer who is passionate about delivering high quality results, keen to work in a highly collaborative, startup environment and who is highly motivated and open minded to problem solving and technology is sought. Ideal Skills: Javascript fundamentals Experience writiting smart contracts in Solidity  web3.js Python/Go/node.js/C++ advantageous Start date: ASAP Contract: Permanent Location: London Interview times: ASAP

Job   Title : Lead Ethereum Developer Location : San Francisco, CA Experience : development Type : W2, Full Time /Perm Sponsorship : No Salary : $120K / Year DOE and negotiable Other compensation : equity would be 30%+ DOE Relocation : Yes BlockchainCareerbuilders, the leading blockchain recruiting agency, is seeking a Lead Ethereum Developer who will be the CTO and Co-Founder to develop a protocol for the telecommunication industry.  Our client is bringing a business to business solution to snuff out rampant international fraud within the telecommunications industry by building a blockchain.   The Lead Ethereum Developer will be a hands on developer, coming in on the ground floor (employee #2), to create an imbedded B2B protocol deep within the telecommunication infrastructure. We need someone who has deep technical expertise to build and launch the blockchain for this Software as a Service (SaaS) that will never need an ICO, but rather has VCs that are ready to invest because this is a real problem with a real solution. There are billions of dollars lost every year to international telecommunication fraud. Qualifications Must have : 2+ years as a strong software developer with deep technical knowledge especially in backend and building infrastructure 1+ year(s) experience in hands on blockchain development in Ethereum and Solidity, (proof of concept knowledge)  Strongly Prefer : Leadership experience building in blockchain Experience working on enterprise software, B2B products and SaaS Interest in or knowledge of Cosmos SDK and Truffle/MetaMask Experience with IPFS and/or distributed file sharing mechanisms Experience working in a startup environment and also having experience in enterprise sized companies is preferred

Job Title:   Full Stack Developer - Ethereum DAPPS Location:  Sausalito, CA or Seattle, WA or Remote Experience:   5+ years Type:   Full Time / Temp to Perm Sponsorship:   Maybe DOE,  prefers no visa Salary:   $120K / Year Other compensation:   Equity, Tokens Relocation:   Yes Job ID:   REF7K BlockchainCareerbuilders, the leading blockchain recruiting agency, is seeking a Full Stack Developer - Ethereum Dapps for our client, an exciting, well-funded company that is disrupting the healthcare world. Our client is designing and building decentralized applications and a fully decentralized protocol for health insurance. The perfect candidate has an in-depth understanding of distributed systems, blockchain, and hands-on experience architecting and developing on existing blockchain smart contract platforms. Qualifications Job Responsibilities: Participate in design and implementation of our fully decentralized protocol for health insurance. This includes developing, testing and deploying the backend and smart contracts needed to do so. Design and develop any APIs and/or SDKs required to support these services Own monitoring, alarming, analytics, and reporting on all services you build, ensuring high performance and responsiveness Must Have: 6 years or more experience writing code and working with a team Experience writing Ethereum Dapps in Solidity Experience as a full stack engineer with a range of front-end and back-end technologies Strongly Prefer Open to evaluating, learning, and using developing frameworks. Examples include: React, Vue, MobX, GraphQL. Comfortable working in a devops/CI environment Code (provide GitHub link or smart contract addresses) that demonstrates your ability to build or architect distributed systems and/or blockchain code Hands-on experience creating smart contracts, or building on blockchain Interest and some understanding of second layer security solutions such as sMPC, zero-knowledge, etc. Additional information All your information will be kept confidential according to EEO guidelines.

You will work with the most prominent blockchain teams to improve their security by educating them on best practices, reviewing their code, thinking through their architecture and assumptions and supervising their bug bounties. You will strive to automate your work by improving our tools and developing new ones, so you can focus on the hardest parts of securing a system. By publishing your findings and contributing to open-source, you will make a name for yourself in the blockchain security space. Responsibilities: Work directly with the developers of the most serious teams in the blockchain industry to audit their code and secure their products Contribute to our security tools and create new ones, following good engineering practices Conduct security research and publish your findings in technical blog posts Improve our processes and offering and strive for the satisfaction of our clients Requirements: Strong interest in and understanding of blockchain protocols and smart contract platforms Fluency in Solidity and Python Experience with penetration testing, vulnerability scanning, threat modeling or similar Basic knowledge of cryptography Proficiency with Linux and Git Good written communication skills Desirable: Experience auditing Ethereum smart contracts Knowledge about the Ethereum Virtual Machine and the Yellow Paper B.Sc. or higher in Computer Science or another relevant field Benefits: Comfortable office with a beautiful view or the possibility to work remotely 25 days of Paid Time Off A culture of continuous learning encouraging conference visits, offering bi-weekly “Lunch & Learn” and exposing you to new languages, frameworks, and projects Public exposure for your work and achievements through blog posts and conference presentations The best equipment money can buy, so you can do your job unhindered If this profile fits you and you are excited about working at a blockchain startup that provides real value, please contact us at jobs@chainsecurity.com

We are looking for a Senior Engineer, familiar working with Blockchain to take responsibility for developing cutting edge wallet applications. About Fintricity: Through Fintricity, our core consulting brand, Fintricity Group (FG) has been at the forefront of technology and digital transformation for over 15 years, most recently with a focus on bringing innovation to leading brands through expertise in big data, analytics and technologies (such as blockchain and IoT) that are transforming operations, products, services, business models and sectors.   Pivoting to a blockchain services and venture firm, Fintricity Group is working on a range of exciting new projects and ventures to build new decentralised business models, technology platforms and disrupt and transform multiple industries. Why Us?   At Fintricity you will join a dynamic, constantly evolving firm that pushes you to grow, lead and innovate.   You will be client- focused and work on technologies that will be put to immediate use. You will be part of a team whose members are encouraged to speak up with an idea or challenge existing views, regardless of title or tenure. Fintricity’s Technology Team   is organised in small, focused, agile groups, that either work closely with business units to deliver value or develop core technologies that lever the product teams.   Our environment fosters innovation and promotes entrepreneurial spirit, and we use top of the line tools. Our culture Fintricity is a vibrant and progressive company that blends the entrepreneurial spirit of a startup with the profitability and stability of a long-running business. Our company is built on a culture that fosters teamwork, individuality, and creativity. We care deeply about cultural and gender diversity. We go to great lengths to foster a supportive, caring environment within a flat organisational structure. We value staff with a sense of fun and adventure, who are optimistic, and customer focused. Above all, you must agree with our strong emphasis on business integrity. What you’ll be doing: Lead  the development of new Ethereum based solutions as well as Solidity smart contracts. Create tests to accompany produced code. Write code with security and resiliency in mind. Lead and work within Agile and DevOps frameworks. Work in partnership with Web Services and User Interface developers. Develop in alignment with overall architecture design. Assist in incident and problem resolution as appropriate. What you’ll need: Experience developing scalable web and/or mobile apps for enterprise/consumer software initiatives. 7+ years experience developing with Java. Understanding of Blockchain technology, especially Ethereum. Experience of developing Ethereum smart contracts written in Solidity. Experience of working in Agile projects with highly automated DevOps. Experience in modern test techniques such as Test, Behaviour & Acceptance Testing Driven Development (TDD, BDD & ATDD). Experience of developing highly secure and resilient code. Experience of collaborating with User Interface developers. Interest in blockchain and enthusiasm for working in a space full of unknown unknowns, pivoting as needed, and being comfortable with not knowing the end state is a must. Teamwork, flexibility, initiative, communication and organisation competencies are required.   Additional desirable experience: BS/MS in Computer Science or a related field. Banking technology experience is an advantage but not essential. Experience of full-stack development, especially with Angular and Node, is an advantage. 5+ years client side development in iOS Swift and Objective C. Deep expertise in REST and RESTful APIs. 5+ years developing with PHP/Python plus other combinations. Experience of incident and problem resolution in production environments. Experience of collaborating with Web Services developers, and UX and UI designers. Diversity & Inclusion: Fintricity is an Equal Opportunity Employer.   We respect and seek to empower each individual and support the diverse cultures, perspectives, skills and experiences within our unique organisation.