Protocol Software Engineer - Consensus
SEI Investments
Protocol Engineer At SeiSei Labs builds open sourced technology for the high-performance Sei Blockchain, the first parallelized EVM Layer 1 blockchain designed to scale with the industry. The unique optimizations built into Sei enable Web3 applications to reach Web2 level scale and performance, driving the mass adoption of digital assets.Our teams are comprised of former Google, Goldman Sachs, Robinhood, Nvidia, and Databricks veterans dedicated to onboarding the next billion users onto a vibrant ecosystem of applications.Sei Labs has raised over $30M from top investors including Jump Crypto, Multicoin Capital, Coinbase Ventures, Distributed Global, Hudson River Trading, and Flow Traders.Sei Labs is looking for a Protocol Engineer to lead the development of core components of the Sei Blockchain. You'll work at the forefront of blockchain infrastructure, designing and optimizing the foundational layers of a high-performance, scalable decentralized network. You'll collaborate closely with our engineering team and ecosystem partners, constantly innovating to push the boundaries of blockchain technology. If you're passionate about low-level systems design, performance optimization, and shaping the future of decentralized networks, this is a rare opportunity to make a lasting impact in Web3.ResponsibilitiesWrite code to build the core sei blockchain (consensus, state management, etc.)Proactively identify and drive optimizations and improvements to the product.Collaborate with our frontend team to fine tune our REST API to support our customers.Take ownership over your work and the work of the team.Qualifications5+ years of infrastructure engineering experience.Proven results in building or scaling Layer 1 blockchains performance.A proven tech lead with experience planning and leading large projects with long-term impact on a single system or team.Strong technical grasp and excellent judgment on task prioritizations.Able to tackle complex engineering problems that deliver results.History of creating and applying new processes and tooling to increase engineering efficiency.
- ...Software Engineer, Consensus - Anza Who We Are Anza is a Solana R&D lab pushing the boundaries of blockchain performance and scalability.... ...toughest problems in Web3. Crypto ecosystems rely on robust protocols, and we believe those are best built out in the open,...SuggestedFull timeWorldwideFlexible hours
- ...Software Engineer, Consensus - AnzaAnza is a Solana R&D lab pushing the boundaries of blockchain performance and scalability. Anza was founded... ...toughest problems in Web3. Crypto ecosystems rely on robust protocols, and we believe those are best built out in the open,...Suggested
- ...Ethereum's L2 activity. Our Protocol Team designs and operates the... ...node and related Rust-based consensus-client infrastructure as a... ...issues. Use AI-assisted engineering tools effectively while maintaining... ...of shipping production software and maintainable Rust systems...SuggestedFull timeWork at officeRemote work
- ...millions of users onchain. Role Summary As a Senior Software Engineer on the Protocol Team, you will design, implement, and maintain the core... ..., documentation, deployment, and monitoring. Rust Consensus Infrastructure: Build and maintain kona-node and related...SuggestedWork at officeRemote work
- ...The engineering team at Chainalysis is inspired by solving the hardest technical challenges... ...becomes increasingly mainstream The Protocols team delivers high-quality, low-latency... ...functional stakeholders. Manage the full software development lifecycle, including production...SuggestedFlexible hours
- Chainalysis seeks experienced engineers to architect and evolve scalable blockchain data pipelines, leveraging AI-native workflows to... ...boost velocity and code quality. You will contribute blockchain protocol expertise, work with Product Managers, and mentor junior...
- ...FTSE Russell, WisdomTree, ANZ, and top protocols such as Aave, Lido, GMX and many... ...more at chain.link.About the RoleAs a software engineer on the Data Products team, you’ll collaborate... ..., blockchains, game theory, consensus algorithms, and decentralized applications...Remote work
$160k - $240k
Senior Software Engineer - Integration Runtime Location New York Business Area Engineering... ...of messages a day, with built-in consensus, observability, and self-healing, all... ...systems primitives: consensus, gossip protocols, distributed coordination At Bloomberg...Temporary workFor contractorsWork experience placement$225k - $300k
...idiosyncrasies of the exchange. Founded by customer-obsessed engineers and researchers, we love tackling tough technical challenges... ...language) and/or building matching enginesUnderstanding of consensus protocols (e.g. Viewstamped Replication, Raft, Paxos)Experience building...Work at officeLocal areaRelocationFlexible hours- ...Job Description Job Description Software Engineer Opportunity Our client is on crypto’s cutting-edge technology,... ...through innovations aligned with the blockchain protocol, network infrastructure, and consensus model Architect, develop, and maintain the Solana...Remote workFlexible hours
$220k - $300k
...we’ve built the leading sales coaching software for organizations doing sales offline. We... ...If it keeps the product running and the engineers shipping, it's yours. You'll write code... ...Authentication and authorization protocols — OAuth 2.0, SAML, OIDC. You'll own customer...Full timeWork at officeRelocation package- ...interfaces and robust API solutions. About the role As a Software Engineer on the Experience Platform team, you'll play a crucial role... ...~ Strong understanding of authentication and authorization protocols ~ Excellent collaboration skills with demonstrated ability...Full timeWork at office
$180k - $300k
...Senior Software Engineer, Generalist - Anza Who We Are Anza is a Solana R&D lab pushing the... ...3. Crypto ecosystems rely on robust protocols, and we believe those are best built out... ...such as Rust or C++. Experience with consensus algorithms, distributed systems, and blockchain...Full timeWorldwideFlexible hours$180k - $250k
...Monad Labs) is a team of systems engineers and researchers on a mission... ...now live. We write the core software that runs it: a parallel-... ...custom state database, and a BFT consensus client, all developed in the... ...improvements to the Monad protocol. Your work will involve distributed...Full timeWork at officeFlexible hours$220k - $270k
...manufacturing.About the Role:We're looking for an experienced Software Engineer to help architect and scale the agentic systems at the core... ..., retrieval and context engineering, and interoperability protocols such as MCP, or comparable work).Demonstrated ability to design...Local areaWork from homeFlexible hoursNight shiftWeekend work$140k - $150k
...and full stack technical expertise to your work as a Senior Software Engineer. You thrive in a collaborative, fast‑moving development environment... ...design Strong understanding of networking and web browser protocols Advanced working knowledge of *nix systems, and comfort...Work at officeRemote workRelocation package$110.5k - $143k
Job Description:Job Title: Principal Software Engineer - Data and Billing QA Location: Overland... ...to detail The ability to build consensus, communicate clearly, and lead change... ...knowledge of order entry or market data protocols A track record of taking a build practice...Full timeWork at officeImmediate startShift work$180k - $280k
...ledger and obtaining global consensus.As a member of our team, you'... ...Stellar Core - the backbone software behind the Stellar Network.Design... ...our CTO, our team of engineers, and our community of open source... ...detailed technical feature and protocol (RFC) specifications - we take...Temporary workLocal areaWorldwide$105k - $125k
...Your Impact The Software Engineer II (Backend) is responsible for handling complex tasks, and contributing significantly to team projects... ...in designing and developing APIs, basic understanding of protocols, and proficiency in API documentation ~ Familiarity with...Full timeH1bVisa sponsorshipFlexible hours$100k - $160k
...psychologists, and therapists who have developed our evidence-based protocols, for a personalized, multi-month journey to better health.... ...and address the root causes of chronic illness. As a Software Engineer, you will contribute to frontend, backend, and mobile...Full timeLocal areaRemote workFlexible hours$150k - $225k
...innovation and a willingness to challenge consensus. About the Team DRW's Prediction... ...market venues. The desk is looking for engineers who want to own critical systems in a fast... ...systems. About the Role Software Engineers on the Prediction Markets Desk...Full timeTemporary workWork experience placementWork at officeFlexible hours$160k - $240k
Senior Software Engineer - Login Platform Location New York Business Area Engineering and CTO Ref # 10052445 Description... ....Experience working with authentication and authorization protocols (especially OAuth / OIDC)Experience developing or operating...Temporary workFor contractorsWork experience placementWorldwide- ...York-based startup building sustainable and efficient DeFi protocols on high-throughput decentralized infrastructure. Our long-term... ...volume across Solana markets. Ellipsis Labs is seeking software engineering summer interns to join our team in 2027. As an early-stage...InternshipSummer internship
$200k - $250k
...science. This innovative field blends AI, engineering, and materials science, revolutionizing... ...technology and sustainability. As a Software Engineer at Radical, you’ll build the... ...practices. Experience with embedded protocols (e.g., serial, I²C, Modbus), device...Full time$138.4k - $198k
...Uniswap Labs is a core contributor to the Uniswap Protocol, the world's largest DEX, with over $4 trillion in volume across 17 chains... ...value flows on the internet. We're hiring our first new-grad engineering cohort. Almost nobody in crypto hires and develops early-...Full timeContract workInternshipWork at officeRemote workHome office$165k - $242k
...more at .What You’ll Do:We are seeking a Senior Platform Engineer to join our Kubernetes Infrastructure team. This role... ...optimization of distributed systems.Knowledge of network protocols and distributed consensus algorithms.Wondering if you’re a good fit? We believe in...Permanent employmentFull timeTemporary workCasual workWork at officeFlexible hours$153k - $204k
...team builds the API platform and the tooling that every other engineering team at CoreWeave uses to ship and consume APIs. This role sits... ..., or compiler/plugin work.Experience with gRPC and protocol buffers, or another strongly-typed API/IDL toolchain.Familiarity...Permanent employmentFull timeContract workTemporary workCasual workWork at officeFlexible hours$160k - $200k
.... That means designing APIs, tools, and protocols that agents and MCP servers ours and our... ...internal teams, external partners, and the AI engineers building on top of the platformSet... ...'re looking for6+ years of professional software engineering experience, with significant...Work at office$197k - $215k
...the design, development, and implementation of software solutions. Solve business problems through innovation and engineering practices. Involved in all aspects of the... ...applications using gRPC, FIX, and transport protocols; integrating Sales Trader Workflow with Bloomberg...Full time$75k - $160k
...About Us: Waterfall is a trading protocol for rare NFTs and collectible digital art with live on-chain pricing. At Waterfall, we... ...design intuition • Knowledge in full-stack and/or protocol engineering • Understanding of solidity Responsibilities : •...Full timeWork at officeFlexible hours
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