the MEAN and MERN technology stacks and are up to date with all that is new and modern in the industry. We have worked with popular crypto projects on Ethereum and Binance Smart Chain. We pride ourselves on being the perfect solution to all your blockchain/cryptocurrency needs. Role Description: Backend developer proficient in Node.js or Golang Blockchain expert More ❯
to regulated financial institutions or capital markets infrastructure Bonus: Experience with enterprise integrations, custody APIs, or compliance toolkits Nice to have: Rust reading fluency (writing not required); experience on Ethereum or Cosmos Why join R3 Labs? Work at the intersection of Web3 innovation and institutional-grade infrastructure Influence how the next generation of tokenized assets is built and traded More ❯
collaborative, proactive attitude Bonus: Web3 development experience with blockchain protocols, smart contracts, and DeFi concepts Bonus: Familiarity with Web3 libraries (ethers.js, web3.js, wagmi, etc.) Bonus: Understanding of blockchain networks (Ethereum, Base, etc.) Bonus: Experience with gaming, mixed reality, or DeFi protocols Why Join Them? Be part of a pioneering team building next-generation entertainment experiences 100% remote work Opportunity to More ❯
blockchain industry and manage the expectations and work based on the ups and downs. Strong communication skills across all levels of the organization. Blockchain: understand the detail of the Ethereum blockchain: how it works, EIPs, Tokens, popular DeFi solutions, advanced Solidity programming including assembly 10-15 years of technical work experience across various technical departments including proven experience in public More ❯
Hands-on technical background, with expertise in areas like protocol design , low-latency systems , or order books . Comprehensive understanding of blockchain technologies, including smart contracts and platforms like Ethereum or Solana . Familiarity with DeFi protocols such as decentralized exchanges, lending platforms, or other relevant ecosystems. Adept at balancing the technical details needed to work with engineering teams with More ❯
automated validators, staking & DeFi protocols access, and comprehensive data and commission management. With $15+ billion in crypto assets staked through our platform, Kiln has established a strong presence on Ethereum, managing over 5.4% of the network through 50,000+ validators - all with zero slashing events. Kiln serves more than 140 leading customers, including Binance, BitPanda, Bitgo, Fireblocks, VanEck, and TrustWallet. More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Plexus Resource Solutions Ltd
smart contracts and lead projects from design to deployment and maintenance. Solidity & DeFi Expertise: Build advanced smart contract architectures, with strong knowledge of DeFi protocols, security best practices, and Ethereum standards. Collaborate & Contribute: Work closely with product and engineering teams, sharing expertise, solving challenges, and driving innovation across Web3 technologies Required Skills & Experience: 3+ years Solidity development with live smart More ❯
tools to control the stability of Bitfinex's blockchain infrastructure Create good quality policies, procedures and technical documentation Minimum Requirements Previous experience in interacting with blockchain nodes (ie. Bitcoin, Ethereum) Strong passion for Bitcoin and other cryptocurrencies Advanced Node/JavaScript skills Familiar with microservices architecture and REST APIs Ability to quickly learn new technologies Advanced understanding of security practices More ❯
are part of the OpenZeppelin product family. Our work on open source is funded by leading L1s and L2s, including EVM and non-EVM platforms, leading protocols, and the Ethereum Foundation. This section of our development department is responsible for widely adopted products, including OpenZeppelin Contracts, Wizard, and Defender, as well as products for leading and emerging developer ecosystems. What More ❯
also been an active participant and supporter of decentralized infrastructure initiatives. We're looking to hire a Core Developer to expand our Layer 1 Engineering team. Our stack is Ethereum-like, so familiarity with - and passion for - the space is key. Some of the areas we tackle include blockchain infrastructure optimised for financial use-cases, protocols for specific applications (such … writing and in discussions. Responsibilities You will be involved at all stages of the development lifecycle for the Autonity protocol and its blockchain node client (a fork of go-ethereum). These include: Implementing new protocol features in Go and Solidity Developing new distributed systems tests and frameworks Contributing to protocol and design specifications Working with members of the community … a low-level language like Go, Rust, or C++ (ideally 2+ years with Go) Experience with network, concurrent, and distributed programming/debugging on Linux systems Good knowledge of Ethereum protocols, BFT and dPoS consensus, P2P messaging, and crypto primitives Bonus Points Experience developing on a blockchain node client (preferably Ethereum-like) Knowledge of distributed systems theory obtained from coursework More ❯
help build scalable, high-performance backend systems. You will be responsible for designing and implementing RESTful APIs, working with microservices and AWS Lambda functions, and integrating with Solana and Ethereum blockchains. This role requires strong problem-solving skills, a deep understanding of backend development, and the ability to collaborate closely with frontend engineers, DevOps, and the product team. Communication, ownership … processes Work closely with the product team, frontend engineers, and DevOps to deliver high-quality features Monitor production backend systems to ensure stability and performance Integrate with Solana and Ethereum blockchains (Solana experience is highly important) Write unit and integration tests to ensure code quality and reliability Take ownership of the product. Build a high-quality product that makes customers … plus) AWS Services: Lambda, ECS, ECR, RDS, CloudWatch, SQS, SNS, SES, Cognito, Redis, S3, CloudFront Testing: Jest, wire-mock, localstack Blockchain: Solana (Helius, Anchor framework, SPL token, Token 2022), Ethereum Monitoring: DataDog, CloudWatch Requirements 4+ years of backend development experience. Production experience with GoLang (preferred) and NodeJS. Experience building RESTful APIs Hands-on experience with AWS services (ECS, Lambda, RDS More ❯
decentralized infrastructure initiatives. We're growing our team and are looking for a Senior Python Software Engineer to join us and become part of our journey. Our stack is Ethereum-like, so familiarity with - and passion for - the space is key. Some of the areas we tackle include blockchain infrastructure optimized for financial use-cases, protocols for specific applications (such … experience in Python software development Bachelor's degree in Computer Science or a related technical field Strong Python skills with experience in network and concurrent programming An understanding of Ethereum protocols and proof of stake consensus Experience developing REST APIs, backend services, and automated pipelines Proficiency with SQL databases, GraphQL sources, and time series data Good knowledge of Unix shell More ❯
About Aztec At Aztec, our goal is to add privacy to Ethereum. In the current public blockchain paradigm, users and entities unknowingly broadcast data in the public, compromising privacy and security to get trustlessness. Not only are unencrypted blockchains inherently More ❯
About Aztec At Aztec, our goal is to add privacy to Ethereum. In the current public blockchain paradigm, users and entities unknowingly broadcast data in the public, compromising privacy and security to get trustlessness. Not only are unencrypted blockchains inherently More ❯
