11 Developer/Engineer Smart Contract | Blockchain jobs

About Hedera Hashgraph :   We are a fast-growing company built around a revolutionary technology — the Hashgraph consensus algorithm. Hedera Hashgraph is well-suited to become the world’s first mass-adopted distributed public ledger because it is blazing fast, highly secure and ensures fairness.  We are on a mission to create a trusted and empowered digital future for everyone; a cyberspace where you work, play, buy, sell, create, and engage socially; where you have safety and privacy in your digital communities; where you feel confident when interacting with others; where you own and control your information.     Hedera is ambitious and fast-paced.  We balance our enthusiasm with a measured approach to risk and are well capitalized having raised over $100-million. Today, our team consists of more than 60 talented individuals, including many of the best minds in the industry. We are proud of our high-quality culture, dedicated to our values of integrity, ethics, service, excellence, and teamwork.   We are looking to hire effective, collegial and hard-working people to help achieve our vision. Join us and say, “Hello future.”       About The Role:   Develop various aspects of the Hedera Hashgraph Platform   Implement and  enhance the crypto, smart contract, and file  s ervices   Develop sample applications to demonstrate the value and strength of the platform. Sample applications will include web, mobile, and embedded development   Be a strong and proficient hands-on programmer   S pend  80% of your time  designing,  coding,  and testing   Skills Needed:   3 Plus years of software development experience    Strong grasp of Computer Science fundamentals including concurrency, performance optimization, and reusability   Familiarity with, and interest in mathematical concepts, principles, and techniques   Systems programming experience including providing services to other software (e.g.   operating systems, computational science applications, industrial automation, and  SaaS  applications)   Proficiency in Java  programming  language and its  ecosystem of libraries and tools   Deep knowledge of and experience with the Java VM, covering its strengths and weaknesses   Comfortable with databases and  SQL ,  experience  with  g eo-distributed database architecture  a plus.   Familiarity with security principles, cryptographic tools, and libraries     Familiarity with high-performance architectural systems and design patterns   Experience in developing libraries and platforms for use and deployment by application developers   Strong engineering principles and processes aimed at developing simple, modular and high-quality code   Familiarity with test-driven software development processes and continuous integration tools and systems   Experience with blockchain (e.g., Bitcoin or Ethereum) and distributed applications is a big plus   Bachelor’s degree in Computer Science or a similar field, or equivalent work experience

If you want to shape the future of e-mobility, this might be your real-world chance to do so. We are looking for a highly motivated and driven developer to join our growing team. We have been building software for the e-mobility space for more than two years now and are pioneers in blockchain based software. We are building the Share&Charge, open-source software which enables the electric vehicle (EV) economy of tomorrow. Share&Charge is a decentralized protocol for electric vehicle charging, payment and data sharing. We are currently a team of 6+ people with diverse skill sets, nationalities and personalities. We don’t know where this journey will exactly lead, but for sure we are very enthusiastically shaping the future of mobility. We love experiments around cutting-edge technology, innovative business models and new ways of collaboration. What you can expect: ● A dynamic work environment ● Diverse technical challenges ● Many learning opportunities ● Contributions to open-source projects ● Coaching from experienced developers What you have to deal with: ● Fast pace of change ● Limited resources ● A bit of uncertainty about the future of the project What we are looking for in the candidate: ● Interest in new technologies like blockchain and smart-contracts ● Can work autonomously towards an objective (self discipline) ● Working experience with linux and git ● Knowledge of at least two of Python, Javascript/Typescript, Java EE, C++, Rust ● Experience in contributing to open source projects (i.e. your own projects on github, issues or pull requests submitted to other open source repositories) More details ● https://bitbucket.org/shareandcharge/ ● https://shareandcharge.com/careers/ Application process Please email your CV to careers@shareandcharge.com

You Proficient in blockchain technical concepts, cryptography, architecting secure and distributed systems and having the ability to translate the architecture and design into actually working code Understanding of Layer 2 blockchain concepts, at least one of: State Channel, Payments Channel, Pegged Side Chains  or Plasma. Ability to implement these concepts or willingness to quickly learn how. Self-starter, not afraid to work as a part of bigger team and also alone on some tasks Happy to be part of the remotely working team of engineers and product development people Hungry for learning more, being exceptional blockchain technical expert, go-to person Able to comfortably use English language for communication of technical concepts, both verbally and on writing Node.js and Solidity experience is a must. Knowledge of Kotlin and/or Java would be also beneficial. Paying attention to details, high level of coding standards, focused on producing quality code Doubtful, you always ask “ why” before you start to think “ how” Ability and willingness to see your work in the wider product context What we offer: You can work remotely from anywhere in the world (although +/- CET time zone would be a preference) Working on the cutting edge blockchain and fintech technology project Interesting challenges to work on together with other bright minds Friendly team work atmosphere

Do you consider yourself a full-stack dev with architecture skills and passionate about Blockchain technology? Are you a fan of gaming, cryptocurrencies and emerging tech? Interested in being part of and helping to build something really amazing? I’m looking for a friendly, talented technical co-founder! OmniN0de is is the launchpad for Blockchain-based decentralised experiences focused on encouraging understanding, adoption and evangelising within the cryptocurrency-ecosystem and our first project is ready for your expertise. Required Skills: Blockchain & Software Development Smart contracts, Java, Go, Node.js, Express, HTML, CSS & jQuery, AngularJS/2  • Develop the prototype/test-net for an initial pilot  • Participate in the community and/or through blog posts • True partner who helps develop the project culture and launch our STO  • Knowledge of Tokens, Wallets, and expert understanding of Ethereum and the inner workings of the EVM.  • Ability (and a track record) to ship high quality, well-crafted code running on Ethereum.  • Passion for Blockchain and extensive experience working with cryptographic protocols (using GPG/PGP is a plus)  • Experience writing smart contracts and ERC20/721 Tokens is a plus  • Experience with new blockchain technologies, especially strong interest in EOS, is a big plus.  • Ideally the technical partner has at least one highly successful product and experience in global marketplaces and payment systems.  • Has demonstrated contributions as a thought leader, Blockchain technology and a passion for understanding emerging technologies with insight into where those technologies can be integrated into business solutions  • Proven experience as a CTO or role that would lead to qualifications for a CTO position, and ideally some experience in social networks.  • Knowledge of technological trends to build strategy Soft Skills  • Strong interpersonal, communication and relationship development skills  • Proactive attitude towards identifying and resolving issues  • Prior experience working in a startup environment highly preferred  • Strong English speaker  • Works well in a remote environment Nice to have  • Successful startup experience and community building a plus.  • Active Github contributor

As a senior Solidity engineer, you will be architecting and implementing core parts of our smart contract architecture. You will also be leading the architecture and implementation of tooling built to allow the  effective governance and upgradability of our smart contracts. As a senior team member you will be expected to mentor more junior team members, and you will contribute to both internally and externally facing documentation. You will be participating in deadline setting and articulating priorities, and you should feel comfortable interacting with our users in order to get a deep understanding of the requirements. You’ll be responsible for: Architecting and implementing core parts of the smart contracts underpinning AZTEC Mentoring more junior team members, and supporting their work Helping set deadlines, articulating priorities, and defining resources required Participating in the hiring process   Skills and experience required:   Experience of being deeply involved in all stages of software development, from inception to shipping production ready software Deep understanding of Solidity and the EVM 5+ years experience of professional software development Experience mentoring junior engineers Experience working with Javascript Bonus points for: Experience working with Rust Awareness of security principles and best practises Experience in a growing startup An interest in cryptography and mathematics

About Rondo: The Rondo platform will bridge the divide that exists today, by reducing friction for artists earning and using crypto in real world. Through the use of proven open source technologies and blockchain, as well as our unique partnerships with music related brands and service providers, to offer the Music industry a unique hybrid ecosystem.  Our Ideal Candidate: - Passionate about music industry, prior experience in any music related projects a bonus. - Interest in implementing new and emerging blockchain technology. - Able to explore new ideas and think outside the box to overcome technical hurdles.  - Has to have experience with Web3, and expertise with modern CSS. - Has to have experience with CSS preprocessors. - Deep knowledge of React and JavaScript. - Any knowledge of Elixir is a big bonus. Your Experience counts: Experience with UI design and frameworks  Experience with software source control systems (Perforce, Git) Experience with WordPress Strong experience developing large-scale concurrent, event-driven distributed systems Prior working experience with public key cryptography (and blockchain) Server-side and blockchain experience is a plus Experience with javascript, Go, and C++ Strong CS fundamentals, including good working knowledge of algorithms, data structures, distributed systems Rigor in engineering processes and best-practices (e.g. code reviews, automated testing, OOP) Passion for innovation and for working in early stage startups What We Offer: - Flexible work arrangement, with the ability to work from home office.  - Generous task rates based on experience.  - To be part of an exciting new start-up, working alongside some truly innovative Blockchain & Music enthusiasts.  - Generous company crypto token allocation Skills Wordpress, Blockchain, Database Compensation TBC - Crypto Currency 

Blockchainappsdeveloper is the top reputed Blockchain Development Company . Our company has a dedicated team of skilled developers. We have a best-dedicated team of blockchain developers who will help you to best Blockchain developing at an affordable price. Our  Blockchainappsdeveloper team of dedicated Blockchain developers and designers to meet the evolving needs of a business.

Ready to create new job opportunities for tech grads around the world? We’ve got it figured out. Despite the boom in disruptive education programs, many are missing an important piece: career centers. We’ve partnered with leading schools to bring them the career center technology to help them grow fast and get their students jobs at top companies. Our solution is called TAP: The Talent Access Portal So it’s time to add a forward-thinking partner in our quest to help us make it easier for global employers to hire students of disruptive education programs. The Blockchain Architect & Developer will join us as a co-founder to work in tandem with our CTO to launch a suite of web platforms based on EOS. He/She will be directly responsible for our upcoming airdrop, token marketplace listing efforts and other smart contract uses. We are seeking someone with significant experience building blockchain Dapps (C++, NodeJS, Java, Python, Cleos/Nodeos/Keosd) and a hands-on understanding of the EOS ecosystem, which includes design, creation, security, and distribution of a native EOS token. The right candidate is entrepreneurial, independent, and eager to build something that’s in high demand. We already have more than 20 large disruptive schools on the waiting list. If you are a passionate team player who understands the importance of disruptive education for tomorrow’s workforce, and if you want to use your expertise to help people achieve prosperity, this project is for you. You will employ your creativity and arsenal of skills using innovative tools and technologies to deliver an elegant user experience, and your contribution will help improve the fabric of our society. While technical skills are important, we believe accountability, commitment, enthusiasm, and a positive attitude are absolutely crucial to join the IF WHEN THEN team. We are a dedicated group, and you will make an immediate impact. Job Description Responsibilities and Requirements: Software development using the above tools/technologies. Proficiency in blockchain specifically Cleos/Nodeos/Keosd for EOS. Ability to design/create/deploy/distribute/maintain EOS based token. Work on new PoC/beta exploring new technologies and frameworks for the deployment of our career center technology. Dedication to writing well-documented, reusable, testable, reliable, and efficient code. Design and implementation of low-latency, high-availability, and highly responsive applications. Work closely with leadership team to keep a good direction, actively seek feedback & requests, and to troubleshoot and resolve issues in a timely fashion. Test (unit, functional & end-to-end) & automate deployment of code between DEV/TEST/PROD. Effectively manage your own workload and align deliverables to our company and team- quarterly objectives. Provide appropriate technical support & documentation for smooth roll outs. Passionate about delivering results and measuring progress towards the team’s time-bound objectives. Flexibility and ability to wear multiple hats when needed. Openness to using objectives and key results (OKRs). 1–3% equity, 1–3% tokens; 3-year vesting schedule with a 4-month cliff depending on experience and commitments. Modest salary will be provided on the next financing seed round, which is expected over the coming months as we execute on our objectives. Learn more about our team:   http://ifwhenthen.com/the-team/ Learn more about our partners:   http://ifwhenthen.com/partners/ More info: https://medium.com/if-when-then-blog/blockchain-architect-developer-a6770bd9bfd0  

Please apply only if you are based out of Toronto or willing to relocate  About us : Elocity Technologies Inc. (Elocity) is a software technology company in clean energy space. Elocity is building products and solutions to bring smart control, interoperability and transparency of electric mobility and energy storage using machine learning, artificial intelligence and blockchain. Elocity is made of high energy resourceful engineers and scientist with an entrepreneurial spirit. We are searching for motivated Full Stack Ethereum Engineer with excellent experience apply design strategies to translate them into design. The candidates must be creative, enthusiastic, and quick learner for delivering designs quickly. Key responsibility: Developing the proof of concept and scaling it to feature rich product Coding the Blockchain components and the integration pieces with non-blockchain components of the overall digital platform Develop the middleware between frontend and blockchain ledger in nodeJS and using APIs Translate product requirements to technical specification and then to software code Managing the cloud environment where blockchain will be deployed Designing the Technical Architecture Designing mockups and prototypes Knowledge of basic front-end design in modern UI Framework (HTML 5, React) Qualifications and skills Developing web applications as a   full stack developer Experience in developing   blockchain applications (DAPPS) on Ethereum Excellent understanding of   JavaScript ,   Ethereum and overall   Blockchain concepts for both - permissionless and permissioned Blockchains Develop smart contracts in   Solidity Design   API and   Node JS app Basic knowledge of running Blockchain applications on local machine using   Docker or   Kubernetes Design frontend in   HTML5/CSS or   React Understanding of blockchain consensus mechanisms - PoA, BFT, Raft, Kafka Knowledge of version control source code repository like   GitHub Job Type:   Full-time Experience : Full stack development: 2-5 years (Preferred) Developing DAPPs on Ethereum: 6+ months (Preferred) Education : Bachelor's Degree in Computer Science (Preferred) Nice to have : Blockchain Course from a reputed tech educator 1+ year experience in Blockchain space as a developer Experience developing applications on private/ permissioned blockchains Deploy and manage the Blockchain network in a cloud platform like   AWS or   Azure Exposure to any one of the Agile methodologies like Scrum, Kanban etc Understanding of UX Job Type: Full-time Experience : Developing DAPPs on Ethereum: 1 year (Preferred) Full stack development:: 2 years (Required) Education : Bachelor's Degree (Required)