Back to Jobs

Software Engineer Backend Fullstack

Remote, USA Full-time Posted 2026-06-25

About Sei

Sei 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.

We're a globally distributed team with a fully remote workforce. Check out our website and docs for more details.

Fullstack Engineering at Sei

Sei Labs is looking for a Fullstack Engineer to help shape the future of Web3 by empowering innovative, high-impact applications across the Sei Blockchain. You'll work with a team at the forefront of blockchain technology, collaborating closely with our ecosystem partners to develop cutting-edge dApps spanning diverse Web3 domains (from DEX’s and games, to DePin, AI and beyond). If you're passionate about constant learning, rapid development, and making a tangible impact in a fast-paced, community-first environment, this is a unique opportunity to push the boundaries of what's possible in decentralized technology.

nRequirements
  • 3+ years of experience with full-stack development, with a focus on frontend
  • Proficiency with one of JavaScript, TypeScript, Node.js
  • Web3 experience & smart contract experience is a nice to have
  • Experience with database management using SQL, NoSQL, or similar technologies
  • Experience with cloud technologies such as AWS, Terraform
Responsibilities
  • Code/Manage Sei web2 backends (indexers, backend APIs, etc).
  • Code/Manage Sei frontends (website, governance platform, foundation website page, etc).
#LI-CG1n Please mention the word EXTRAORDINARY and tag RMTMuNDEuMTU4LjEzNw== when applying to show you read the job post completely (#RMTMuNDEuMTU4LjEzNw==). This is a beta feature to avoid spam applicants. Companies can search these words to find applicants that read this and see they're human. Apply To This Job

Similar Jobs

Jr Business Analyst

Remote, USA Full-time

Pessoa Advogada Jr Privacidade e Proteção de Dados

Remote, USA Full-time

project manager

Remote, USA Full-time

Data Analyst

Remote, USA Full-time

Senior Full Stack developer

Remote, USA Full-time

TikTok Video Director

Remote, USA Full-time

Member of Compliance Sanctions

Remote, USA Full-time

Email Deliverability Specialist

Remote, USA Full-time

Member of Product Marketing Protocols

Remote, USA Full-time

Manager Engineering II Data Pipelines

Remote, USA Full-time

Data Entry Clerk - Billing II

Remote, USA Full-time

Immediately Need Professional Sales Representative (Remote) -Kansas, Iowa & Missouri in USA

Remote, USA Full-time

Experienced Remote Customer Service Representative – Delivering Exceptional Travel Experiences with blithequark

Remote, USA Full-time

Entry-Level Remote Customer Service Representative - Home Improvement Industry Leader - Customer Experience and Support

Remote, USA Full-time

Experienced Customer Chat Support Specialist – Remote Opportunity for Entry-Level Professionals

Remote, USA Full-time

[Remote] Senior Electrical Engineer, Advanced Projects

Remote, USA Full-time

Remote Customer Service Specialist – Delight Clients, Solve Problems & Build Careers from Home with arenaflex

Remote, USA Full-time

Account Executive, SMB Team Sales - Worcester Metro West

Remote, USA Full-time

Part-Time Remote Data Entry Specialist – Precision Data Management & Confidentiality Focus at arenaflex

Remote, USA Full-time

Patent Principal Counsel - Full-time

Remote, USA Full-time