Fullstack Software Engineer - Incubations

Sei Labs; New York (NY); On-site; USD 100,000 - 140,000; Full time

Job summary

A cutting-edge blockchain technology firm in New York is seeking a Fullstack Engineer to shape the future of Web3 by developing high-performance decentralized applications (dApps) on the Sei Blockchain. The role involves collaborating with teams to implement secure smart contracts and manage infrastructure using cloud technologies. Ideal candidates will have over 3 years of full-stack development experience, proficiency in Go or TypeScript, and a background in Web3. Join us to push the boundaries of decentralized technology.

Qualifications

• 3+ years of experience with full-stack development, focusing on backend and APIs.
• 1+ years working in Web3 with production-grade Solidity contracts.
• Proficiency with one of Go or TypeScript.
• Experience with database management using SQL, NoSQL, or similar technologies.
• Experience with cloud technologies such as AWS and Terraform.

Responsibilities

• Collaborate with team members and ecosystem partners to design, develop, and deploy high-performance dApps on the Sei Blockchain.
• Develop and maintain backend services and APIs using Go or TypeScript.
• Implement secure, production-grade Solidity smart contracts.
• Manage databases and storage solutions with SQL or NoSQL technologies.
• Use cloud technologies such as AWS and Terraform to deploy scalable infrastructure.

Skills

Full-stack development

Go

TypeScript

Solidity

AWS

Terraform

SQL

NoSQL

Job description

About Sei Labs

Sei Labs builds open‑source 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 composed 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. Check out our website and docs for more details.

About the Role

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 DEXs 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.

Responsibilities

• Collaborate with team members and ecosystem partners to design, develop, and deploy high‑performance dApps on the Sei Blockchain.
• Develop and maintain backend services and APIs using Go or TypeScript.
• Implement secure, production‑grade Solidity smart contracts.
• Manage databases and storage solutions with SQL or NoSQL technologies.
• Use cloud technologies such as AWS and Terraform to deploy scalable infrastructure.

Requirements

• 3+ years of experience with full‑stack development, focusing on backend and APIs.
• 1+ years working in Web3 with production‑grade Solidity contracts.
• Proficiency with one of Go or TypeScript.
• Experience with database management using SQL, NoSQL, or similar technologies.
• Experience with cloud technologies such as AWS and Terraform.