Develop core backend infrastructure for blockchain execution and Ethereum scaling.
Tackle distributed systems challenges involving reliability, performance, and scalability.
Strengthen security and drive projects from investigation through implementation.
They build foundational infrastructure for Ethereum scalability, security, and decentralized applications. They are a remote-first, globally distributed team collaborating across research, product, and blockchain engineering.
Build and maintain core components on the Injective protocol, including a decentralized orderbook and Layer-2 execution environment.
Design and implement financial primitives on-chain like derivatives, margining, and pricing, translating tradFi practices into protocol features.
Optimize blockchain performance, from consensus to state management, and own features end-to-end.
Injective builds a decentralized blockchain optimized for finance. They are a remote-friendly team offering cutting-edge technology and a collaborative culture with growth opportunities.
Run production for institutional customers, holding the First Responder rotation, coordinating incidents, and writing RCAs.
Decide what ships: go/no-go on changes to environments, verification before rollout, and execution of sequencer rollouts.
Remove the cause by turning pages and manual steps into fixes in the sequencer, provers, or tooling.
Matter Labs invented ZK rollups and built the first one on Ethereum, processing over a billion transactions with over four billion dollars in value locked. The company is a small, remote-first team with a CEO you can reach, few approvals, and a high hiring bar.
Build, maintain, and test core Cosmos-SDK components including decentralized order book and trade execution.
Design and implement on-chain financial primitives from TradFi practices.
Develop and optimize core blockchain infrastructure like consensus and state management.
Injective Labs is the core contributor to the Injective blockchain platform for DeFi applications. Our experienced, remote-friendly team is backed by Binance and leading VCs, fostering ownership and collaboration.
Work closely with the backend team to understand intricacies and help iterate on components used to build our wallet libraries.
Integrate new features in brave-core that help our front-end team connect prototypes to live data.
Be up-to-date with upcoming protocol upgrades, BIPs, EIPs, etc.
Brave is on a mission to protect the human right to privacy online, building a free web browser that blocks ads and trackers, a private search engine, a crypto wallet, and a private ad network. With over 125 million users, Brave is a hyper-growth company with a fully remote, flat org structure and a welcoming team.
Deeply research new cryptoassets and integrate them into Anchorage Digital's platform.
Implement participatory features like staking, governance, and vesting.
Develop infrastructure that scales across all crypto-networks and support assets through upgrades.
Anchorage Digital is a crypto platform that enables institutions to participate in digital assets through custody, staking, trading, governance, settlement, and security infrastructure. With a diverse team of over 600 members, they are united in building the future of finance, and are committed to being a welcoming and inclusive workplace.
Plan and establish the technical roadmap for blockchain security products, completing core modules and frameworks.
Define architecture standards, maintain infrastructure, and develop automation tools for continuous delivery and operational efficiency.
Engage users, deliver client APIs, and troubleshoot back-end issues to ensure system performance and stability.
Binance is a leading global blockchain ecosystem behind the world's largest cryptocurrency exchange by trading volume. Trusted by 300+ million people in 100+ countries, Binance fosters a results-driven, user-centric culture with a flat structure.
Build and evolve core components of a distributed transaction platform for secure cryptocurrency transfers.
Improve scalability, data integrity, and tenant isolation in a regulated environment.
Mentor engineers and take end-to-end ownership of production systems, including incident response.
They build a mission-critical transaction platform for secure cryptocurrency transfers between financial institutions, fintechs, and exchanges. The organization is remote-first, collaborative, and inclusive, with a strong focus on engineering quality and mentorship.
Design, build, and run backend services for stablecoin payments including deposits, withdrawals, and on/off ramps.
Integrate with partners for wallets, virtual accounts, and stablecoin orchestration while connecting to existing banking, ledger, and payments systems.
Own work from design through launch and production support, working closely with product, design, compliance, and business development.
Flex is building AI-native financial services for business owners, re-architecting the financial system from the first dollar earned to spending. They have scaled from zero to nine-figure annualized revenue with $100M+ in equity raised, operating with small, exceptional teams and a culture of extreme ownership.
Execute internal security audits of Injective's Cosmos-SDK modules, orderbook, and Layer-2 execution environment.
Review and audit EVM smart contracts, cross-chain bridges, and IBC components.
Build security tooling like fuzzers, invariant tests, and on-chain monitoring, and fix vulnerabilities directly in the codebase.
Injective Labs is the core contributor to Injective, a blockchain platform optimized for building decentralized finance applications. Backed by Binance, Jump Crypto, Pantera, and Mark Cuban, our global team has decades of experience in finance and tech.
Design and develop core OpenBao features, plugins, storage backends, and secrets engines using Go.
Collaborate with engineering leadership on system architecture, technical design, and RFC preparation.
Write clean, secure, maintainable Go code following secure-by-design principles and cryptographic best practices.
Our partner is an open-source security technology company focused on identity-aware secrets management. They operate with a globally distributed engineering team and emphasize collaboration, remote work, and continuous learning.
Own product strategy and roadmaps for Hardhat and EDR, aligning with developer needs and ecosystem priorities.
Translate technical challenges into clear requirements, prioritizing features for smart contract development workflows.
Collaborate with engineering and ecosystem partners to shape APIs, CLIs, and developer experience.
They advance the Ethereum ecosystem by building open-source developer tools like Hardhat and EDR. They operate fully remote-first with a lean, collaborative culture focused on autonomy and practical decision-making.
Lead two specialized engineering teams building developer tools for smart contracts.
Shape technical roadmap and architecture while managing project delivery and quality.
Foster a high-performing remote culture and develop engineering talent.
Builds open-source developer infrastructure for the Ethereum ecosystem, including the Hardhat toolset. Remote-first culture with lean engineering practices and a focus on technical excellence.
Design, build, and maintain scalable backend services for order routing, task allocation, fulfillment tracking, and shopper compensation.
Lead technical design for high-impact projects and improve fulfillment efficiency across marketplaces.
Ensure Tier-0 systems are reliable, incorporate AI-assisted tools, and mentor fellow engineers.
The company operates large-scale, real-time fulfillment operations across consumer and enterprise marketplaces. It is a remote-first organization with a collaborative, cross-functional engineering culture.
Design and implement core backend services for high-performance, distributed payment systems.
Take ownership of architectural decisions, balancing scalability, reliability, and maintainability.
Collaborate with cross-functional teams to improve developer experience through testing, code reviews, and documentation.
The company builds payment infrastructure that lets businesses manage payments efficiently across international markets. It is a globally distributed, product-driven engineering team that values collaboration, engineering excellence, and long-term growth.
Design and build core quote-generation and pricing engines for cross-chain transactions.
Integrate with decentralized exchanges and aggregators like Uniswap, 1inch, and LiFi.
Own end-to-end transaction pipelines from deposit detection to settlement, ensuring reliability and observability.
The company builds blockchain infrastructure for fast, reliable cross-chain transactions. It operates in a remote-first environment with a focus on collaboration, flexibility, and high-impact engineering.
Design and build core platform components for correctness under failure and regulatory auditability.
Scale the platform to handle growing transaction volume while maintaining low latency and database health.
Mentor engineers and collaborate with cross-functional teams to turn compliance needs into production-grade software.
Notabene integrates crypto into the everyday economy by providing tools that reduce transaction risk and make crypto transfers safe. We work across three continents in eight countries, serving over 100 customers including financial institutions and exchanges, and are backed by investors like Y Combinator and Jump Capital.
Lead and support blockchain development initiatives within a Web3.0-focused team.
Design, develop, and maintain blockchain-related solutions and decentralized applications.
Collaborate with developers to deliver reliable, maintainable, and effective solutions.
They are a technology team building and advancing Web3.0 solutions in the blockchain ecosystem. The culture is collaborative and innovation-driven, with an emphasis on decentralized technologies and technical quality.
Build and scale the systems and services powering Alpaca's global payments and treasury platform.
Design highly scalable, event-driven microservices using Go, Kubernetes, and cloud-native technologies.
Ensure system integrity and operational scalability while collaborating with a distributed engineering team.
Alpaca builds institutional-grade APIs for trading stocks, ETFs, options, crypto, and more. They are a 400+ person remote-first team valuing curiosity, empathy, and accountability.
Own and run bug bounty programs and external audit engagements, triaging and validating fixes.
Secure code and software supply chain, including CI/CD defenses, dependency controls, and signing.
Build anti-scam, anti-abuse, and security tooling with static/dynamic analysis and LLM-driven agents.
Mysten Labs builds foundational blockchain infrastructure and products, including Sui and Move, to advance the internet and enable the agent economy. It is a remote-first, world-class team backed by a $300M Series B from leading venture funds.