Full Stack Jobs in Web3

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Job Position Company Posted Location Salary Tags

Crossmint

United States

$150k - $210k

Berkley Hunt

New York, NY, United States

$120k - $190k

Token Metrics Inc.

London, United Kingdom

$28k - $38k

Bitso

Latin America

$87k - $97k

Animoca Brands Limited

Hong Kong, Hong Kong

$133k - $135k

Sei Labs

New York, NY, United States

$90k - $100k

pulsenow

Remote

$55k - $75k

Crush

Remote

$111k - $167k

MLabs

New York, NY, United States

$104k - $145k

Solomon Labs

Remote

$60k - $150k

Lazer

Canada

$175k - $180k

Hyperbolic Labs

San Francisco, CA, United States

$71k - $115k

Startale Group

Remote

Chaos Labs

New York, NY, United States

$100k - $115k

FullStack Engineer AI Security Products Full time Europe Asia

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Quantstamp is building next-generation security products that combine AI reasoning, automation, and human expertise. We’re looking for a Full-Stack Engineer to join us on the product side — someone who can move fast, think like a builder, and help turn ideas into real tools that make software systems safer and smarter.

You’ll be working across the stack to prototype, design, and deliver AI-driven products, from web apps to internal tools in close collaboration with AI researchers, auditors, and security engineers. This role is perfect for an engineer with a startup mindset who enjoys wearing multiple hats and thrives in fast-moving environments.


Candidate Profile

  • Background in Computer Science or related field
  • 5+ years of full-stack development experience building high-performance, large-scale applications using technologies such as NextJS, React, Electron and Python
  • Possesses a deep understanding and independent perspectives on AI agents and LLMs.
  • Experience building LLM applications using AI/ML frameworks and libraries (e.g., LangChain, OpenAI SDK).
  • Develop backend services and APIs using Python, Node.js, and TypeScript.
  • Design and implement intuitive, responsive front-end web interfaces using React and Next.js.
  • Familiarity with blockchain and smart contract environments, including libraries such as wagmi.js and ethers.js, and experience interacting with smart contracts.
  • Comfortable with CI/CD pipelines, monitoring, and cloud platforms like AWS and Heroku
  • Experience with SQL/Postgres
  • Detail-oriented mindset, willingness to learn, and quality-driven personality
  • Fluent English communication, both written and spoken
  • Partial overlap, at least 4 hours per workday, with SGT.
Nice to Have

  • 1+ years experience in creating DeFi applications
  • Experience in cybersecurity and whitebox auditing
  • Fluent mandarin communication, both written and spoken
Compensation & Perks

  • A competitive salary that matches your experience, plus performance bonuses and token grants
  • Work from anywhere, 100% remote, and flexible working hours
  • Generous paid time off, including maternity/paternity leave
  • Retirement/pension plan
  • Free gym membership, or any virtual alternative of your choice
  • Rent your own desk in a co-working space or work from anywhere at any time.
  • Join all-expenses-paid retreats in exotic/exclusive locations with the team

What does a full stack developer in web3 do?

A full stack web3 developer is a developer who has expertise in the full stack of technologies that are used to build web3 applications

These applications use the decentralized, distributed nature of the web3 network to provide users with a secure and decentralized way of accessing and interacting with online services and applications. The responsibilities of a full stack web3 developer will vary depending on the specific project and the needs of the team they are working with

In general, though, a full stack web3 developer will be responsible for: designing and building the front-end and back-end of web3 applications, as well as implementing and maintaining the underlying blockchain infrastructure

This will often involve working with a variety of different technologies and programming languages, such as Solidity for smart contract development, JavaScript and HTML for front-end development, and various blockchain protocols and frameworks. Additionally, a full stack web3 developer may also be responsible for working with the web3 community to help drive adoption and integration of web3 technologies, as well as staying up-to-date on the latest developments in the field and contributing to the broader web3 ecosystem.