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The rollup OS for Ethereum
Remote
Why Fuel?
Fuel’s tech is unprecedented. Fuel VM is parallelized, state minimized and highly interoperable. It combines UTXO’s, Parallelization, Asset Oriented Design, Security, and Interoperability, to create one package which is optimized to solve for the world of Ethereum Rollups.
Think of it as a high-performance blockchain operating system, that provides high throughput without sacrificing decentralization or security. Our platform serves as a comprehensive Rollup OS tailored for the Ethereum network, simplifying the development process for builders around the world.
In short, all the existing limitations when building DeFi protocols are being solved with Fuel.
What We Do
Launched in 2019, Fuel began with the debut of Fuel V1, our first major step toward enhancing Ethereum’s scalability, and since then we’ve grown to offer a complete rollup operating system. We create innovative technologies like the Fuel Virtual Machine, and Sway—a programming language designed specifically for blockchains—that together form a robust environment for developers. These tools are part of our commitment to optimize and expand Ethereum’s potential for all its users.
Who We Are
Our team comprises over 80 professionals, including builders formerly from well-known Web3 organizations such as Consensys, Polygon, Polkadot and Ethereum. Our team works remotely, hailing from diverse locations globally, and we value curiosity, passion, and accountability in our collaborative efforts.
About This Role
Fuel Labs is seeking a passionate and experienced Senior Rust Engineer to join our Tooling team.
The ideal candidate will have a strong background in Rust development and a proven track record of contributing to blockchain tooling projects. We are looking for someone who can demonstrate a high level of activity and engagement on GitHub, showcasing their ability to write high-quality code, provide valuable feedback through code reviews, and collaborate effectively with team members.
If you are a passionate Rust engineer with a strong interest in blockchain technology and a desire to make a significant impact in the development of cutting-edge tooling, we would love to hear from you. Ideal candidates will provide examples of how they have innovatively used Rust in blockchain tooling to solve complex problems or enhance the functionality of existing systems.
Please submit your resume, along with links to your GitHub profile and any relevant projects or contributions.
Requirements
- 5+ years of professional Rust experience
- Previous experience with blockchain tooling frameworks such as Hardhat, Foundry, or Truffle
- Strong understanding of blockchain concepts and technologies
- Proven track record of active contributions on GitHub, including:
- High frequency of commits, issues, pull requests, and code reviews
- Providing detailed and constructive feedback on pull requests, going beyond simple approvals
- Creating well-structured and informative GitHub issues that clearly outline problems and propose solutions
- Writing clear and concise pull request descriptions that explain the purpose, scope, and testing instructions
- Excellent problem-solving and communication skills
- Ability to work collaboratively in a fast-paced environment
Responsibilities
- Develop and maintain tooling infrastructure for the Fuel blockchain platform
- Collaborate with cross-functional teams to identify and prioritize tooling requirements
- Write clean, efficient, and well-tested Rust code
- Conduct thorough code reviews and provide meaningful feedback to team members
- Investigate and resolve complex technical issues
- Actively contribute to the improvement of development processes and best practices
- Stay up-to-date with the latest advancements in blockchain technology and tooling
Nice to have
- Previous experience with compilers and language design
- Familiarity with Ethereum and smart contract development
- Contributions to open-source projects in the blockchain space
- A background in Philosophy
Join Us!
Fuel is a place of innovation and connection—not just online, but in person. We regularly gather to share insights and strengthen our team dynamics, ensuring our passion for innovation translates into real-world solutions.
If you’re ready to contribute to making Ethereum more user-friendly and efficient for developers and users alike, we encourage you to apply, and explore how your talents can contribute to our mission.
Are you prepared to shape the future of Ethereum? Discover your role at Fuel, and join us in this unprecedented adventure.
Our mission is to unlock the collaborative power of communities by making Web3 universally easy to use, access, and build on.
Working with Consensys puts you at the forefront of an evolving paradigm, transforming our society for the better. We fundamentally believe blockchain is the next generation of technology that can lay the foundation for a more just and equitable society.
Blockchain tech is just over 10 years old. Ethereum itself is still a toddler and we’re far from reaching our full potential. You’ll get to work on the tools, infrastructure, and apps that scale these platforms to billions of users.
You’ll be constantly exposed to new concepts, ideas, and frameworks from your peers, and as you work on different projects — challenging you to stay at the top of your game. You’ll join a network of entrepreneurs and technologists that reaches the edge of our ecosystem. Consensys alumni have moved on to become tech entrepreneurs, CEOs, and team leads at tech companies.
About Linea
Linea stands at the forefront of the zkEVM space, skillfully integrating Ethereum's trusted security with advanced scalability through its type 2 zkEVM validity rollup technology. It offers developers a streamlined, secure platform for dApp development, emphasizing decentralization and open-source collaboration. Linea's approach has attracted a community dedicated to innovation and progress. Here, complex applications find a supportive environment for growth, pushing the boundaries of what's possible in blockchain technology. Linea represents a significant step forward in blockchain development, where the future is being actively shaped.
What you’ll do
Linea is a layer 2 zk-rollup for Ethereum implemented at Consensys. We seek a skilled and experienced Solidity and Full-Stack Developer to join our team and contribute to developing Linea. In this role, you will be responsible for designing, developing, and maintaining the smart contracts and full-stack architecture of our layer 2 blockchain solution. We will also be involved in helping with the implementation of core ecosystem services.
Key Responsibilities:
- Design and develop smart contracts using Solidity programming language
- Create and maintain the full-stack architecture of our layer 2 blockchain solution
- Work closely with our team of developers and researchers to ensure the successful implementation of the zkEVM project
- Work closely with the ecosystem of partners to enable activation
- Stay up-to-date with the latest developments in blockchain technology and incorporate new features into the project
- Identify and troubleshoot issues and bugs in the system, and implement solutions to improve performance and scalability
- Write clean, maintainable, and well-documented code
Would be great if you brought this to the role
- Strong experience with Solidity programming language and smart contract development
- Strong understanding of the Web3 space and ecosystem, blockchain technology, and layer 2 solutions
- Strong experience with full-stack development and web3 technologies such as TypeScript, Node.js, viem, and hardhat
- Strong problem-solving and analytical skills
- Excellent communication and teamwork skills
- Bachelor's degree in Computer Science or related field
- Experience with zkEVM is a plus
Don't meet all the requirements? Don't sweat it. We’re passionate about building a diverse team of humans and as such, if you think you've got what it takes for our chaotic-but-fun, remote-friendly, start-up environment—apply anyway, detailing your relevant transferable skills in your cover letter. While we have a pretty good idea of what we need, we're ready for you to challenge our thinking on who needs to be in this role.
It is a requirement of employment in this position that applicants will be required to submit to background checks including but not limited to employment, education and criminal record checks. Further details will be provided to applicants that successfully meet the criteria for the position as determined by the company in its sole discretion. By submitting an application for employment, you are acknowledging and consenting to this requirement.
Consensys is an equal opportunity employer. We encourage people from all backgrounds to apply. We are committed to ensuring that our technology is made available and accessible to everyone. All employment decisions are made without regard to race, color, national origin, ancestry, sex, gender, gender identity or expression, sexual orientation, age, genetic information, religion, disability, medical condition, pregnancy, marital status, family status, veteran status, or any other characteristic protected by law. Consensys is aware of fraudulent recruitment practices and we encourage all applicants to review our best practices to protect yourself which can be found (https://consensys.io/careers/best-practices-to-avoid-recruitment-fraud/).
Apply Now:
Number Group
Remote
Company Overview:
At Number Group, we're at the forefront of blockchain innovation, developing decentralized applications that are transforming the way the world interacts with technology. We believe in the power of blockchain to provide transparency, security, and efficiency across various industries. As we expand our offerings in the DeFi space, we're looking for a talented Solidity Smart Contract Developer to join our dynamic team.
Role Summary:
We are seeking a Solidity Smart Contract Developer with a proven track record of writing, testing, and deploying smart contracts in production environments. The ideal candidate will have a strong background in blockchain technologies, a commitment to high-quality coding practices, and the ability to work collaboratively in a multidisciplinary team.
Key Responsibilities:
- Smart Contract Development: Write, test, and deploy secure smart contracts, including those that interact with or hold funds in meaningful ways.
- Blockchain Technology Expertise: Utilize in-depth knowledge of blockchain technologies, cryptography, and data structures to develop innovative solutions.
- Collaboration and Communication: Work effectively within a team and articulate complex technical concepts to non-technical stakeholders.
- Blockchain Analysis: Parse and understand blockchain data to create tools for aggregating and preparing data for use.
- Innovative Thinking: Stay ahead of blockchain trends and technologies, applying creative problem-solving skills to develop cutting-edge solutions.
- Security Focus: Ensure the highest standards of coding practices, focusing on security and auditability of smart contracts.
Basic Requirements:
- Proven Experience: Demonstrable experience in writing, testing, and deploying smart contracts in production environments.
- Technical Proficiency: Strong background in blockchain technologies, cryptography, and data structures. Familiarity with programming languages such as JavaScript and Python is beneficial.
- Collaborative Skills: Excellent communication skills and the ability to work effectively in a multidisciplinary team.
- Blockchain Analysis: Proficiency in parsing and analyzing blockchain data.
Nice-to-Haves:
- Advanced Degree: Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field.
- Multi-Chain Development: Experience with non-EVM blockchain development and deploying smart contracts across multiple blockchains.
- Mechanism Design: Innovative thinking in smart contract and blockchain protocol design.
- Smart Contract Auditing: Skills in auditing smart contracts to identify and fix vulnerabilities.
- Community Contribution: Active participation in blockchain communities and contributions to open-source projects.
- Full Stack Development Experience: Knowledge of front-end and back-end development to assist with blockchain integrations.
What We Offer:
- A fully remote position with flexible working hours.
- The opportunity to work on groundbreaking blockchain projects in a fast-paced, innovative environment.
- A supportive team culture focused on personal and professional growth.
- Competitive salary and benefits package.
Apply Now:
Chiliz
Europe
About us
We’re like-minded, curious, excitable people here at Chiliz who work well in teams, spread across the globe. Chiliz is a global blockchain company, which powers Socios.com - the creators of Fan Tokens, and the popular fan rewards platform.
Socios has partnered with some of the world’s best teams, including Paris Saint-Germain, Juventus, FC Barcelona, Atlético de Madrid, UFC, Galatasaray, Manchester City FC, Davis Cup, and many more.
The curious nature of a Chilizen is what drives this company forward, and since we’re looking to grow even more, apply for your dream role today.
Our brands & channels
We are building the web3 infrastructure for sports & entertainment!
Founded in 2018, Chiliz is a blockchain provider focused on the sports and entertainment industry. We build scalable, secure blockchain-enabled solutions that supercharge fan experiences using digital assets.
$CHZ is the native digital token for the Chiliz sports & entertainment ecosystem currently powering Socios.com and the Chiliz Chain blockchain.
Socios.com is a fan engagement and rewards app that allows fans to engage with their favourite teams and clubs through digital assets known as Fan Tokens.
The role
Due to continued growth, we are looking to recruit a Blockchain Engineer to join our team of talented developers who share a common interest in distributed systems, their scalability, and continued development. You will be part of the team responsible for building the Chiliz chain that powers the Socios platform.
Duties & Responsibilities:
- Building Web3 interfaces that are directly interacting with the blockchain
- Mentor and guide other engineers in advancing their skills and knowledge in Blockchain development
- Maintain and improve existing products
- Work closely with engineers and product managers on new features
- Ensure code quality through tests, in accordance with good practices
- Participate in code reviews
- Anticipate scalability and performance issues
- Be a force of technical and functional proposals
Requirements:
- 3+ years of experience in developing Blockchain applications
- Must be based in Europe
- Strong communication skills, including the ability to mentor and effectively convey complex technical concepts
- Very good knowledge of Solidity or Vyper
- Good knowledge of EVM compatible chains
- Experience writing/working on protocols and/or blockchain clients (Geth, Erigon, Reth)
- Good knowledge with best practices for securing smart contracts and App development
- Good understanding of different consensus algorithms used in blockchain
- Good knowledge of tools like: Hardhat, Truffle, Foundry, Brownie, Slither, Solhint, etc.
- Knowledge of decentralised infrastructure: components such as IPFS, Swarm, and Whisper.
- Good level of basic tools: Git, VSCode, JIRA
- Ability to work remotely, independently and collaboratively in a team
- Excellent verbal and written communication skills
- Willing to explore new things; curious;
Good to have:
- Any other Blockchain knowledge (other blockchains, scaling solutions, … )
- Previous mentoring experience
What we offer
We offer you the chance to grow, to learn, to flex your creative muscles, and to work on a project that is providing excitement to millions of users.
During our interview process, you can ask us anything and get to know your team too. We need this to work both ways: It’s not just about you fitting in, but about us being the right fit for you too.
Are you ready to work with the world’s best sports teams? Are you happy to try, fail, and try again? Are you excited to keep pushing the boundaries of technology?
We’ve got offices across the world, over 30 nationalities in our ranks and the most important superpower of all - flexibility. Our competitive salaries, wellness allowance, healthcare and pension plan are just the tip of the iceberg. You’ll gain friends, experience and a good challenge, we’ll gain you.
Are you ready?