Page 3 - Blockchain Jobs - Dec 2025

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Our mission is to unlock the collaborative power of communities by making Web3 universally easy to use, access, and b...

Api Backend Engineer Remote

$155k - $186k · Senior Fully remote

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About the Company Gemini is a global crypto and Web3 platform founded by Cameron and Tyler Winklevoss in 2014, offeri...

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Funding Coordination Intern Remote, Boulder, Berlin Ethereum Foundation – Internship / Intern / Hybrid Apply for this...

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Showing 51–75 of 1,654 AI roles

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Selected role

Backend Engineer MetaMask API Platm

Consensys UNITED STATES - Remote, CANADA - Remote, LATAM - Remote, EMEA - Remote

Live

$155k - $186k · Senior Full-time Posted about 1 month ago 5 min read

Our mission is to unlock the collaborative power of communities by making Web3 universally easy to use, access, and build on.

Working with Consensys puts you at the forefront of an evolving paradigm, transforming our society for the better. We fundamentally believe blockchain is the next generation of technology that can lay the foundation for a more just and equitable society.

Blockchain tech is just over 10 years old. Ethereum itself is still a toddler and we’re far from reaching our full potential. You’ll get to work on the tools, infrastructure, and apps that scale these platforms to billions of users.

You’ll be constantly exposed to new concepts, ideas, and frameworks from your peers, and as you work on different projects — challenging you to stay at the top of your game. You’ll join a network of entrepreneurs and technologists that reaches the edge of our ecosystem. Consensys alumni have moved on to become tech entrepreneurs, CEOs, and team leads at tech companies.

About Metamask

MetaMask aims to create a thriving engineering organization that supports the well-being of our engineers while empowering them to do work they are proud of and enjoy. We strive for an environment that gives our people high trust and autonomy, while also facilitating collaboration, communication and camaraderie among teams and teammates. We aspire to build a diverse engineering team, inclusive to people from all backgrounds and demographics. It is also of great importance to us that working at MetaMask is an experience that catalyzes career growth and learning.

About the role

We are looking for backend Node.js developers with production applications experience to work with our API Platform team. This team builds the backend APIs for use across all MetaMask platforms, both directly by MetaMask clients as well as other backend APIs that power the product experiences within MetaMask. API Platform services include a Price API, Token API, Account API, NFT API, and more.

Required Skills:

3+ years of experience as a Backend Software Engineer working on production applications
Experience with Node.js back-end development (preferably Typescript)
Experience with, or understanding of: PostgreSQL
Experience working on agile projects in an Agile environment
Experience working in CI/CD setup
Experience working in a distributed, remote team environment.
Excellent communication skills.
Writing good technical documentation.

Bonus Points for any of:

Experience as a Team Lead or Tech Lead or leading features
Experience working with third party vendors, in particular financial institutions, neobanks, and web3 companies
BSc/MSc in Computer Science or related subject
Experience in Typescript
Experience with microservices architectures
Understanding of blockchain technology, especially Ethereum
Blockchain / smart contract development: Solidity / Ethereum, Web3.js or Ethers.js library
General interest in DevOps topics / experience with Docker and/or Kubernetes and deploying cloud infrastructure (AWS / Azure)
Experience in deploying blockchain infrastructure
Working knowledge of Observability stacks Prometheus, Grafana

Other skills to demonstrate:

Excellent verbal and written communication in English
Teamwork, flexibility, initiative, communication and organization
Willingness to constantly learn & improve, challenging yourself to stay at the top of your game

Don't meet all the requirements? Don't sweat it. We’re passionate about building a diverse team of humans and as such, if you think you've got what it takes for our chaotic-but-fun, remote-friendly, start-up environment—apply anyway, detailing your relevant transferable skills in your cover letter. While we have a pretty good idea of what we need, we're ready for you to challenge our thinking on who needs to be in this role.

It is a requirement of employment in this position that applicants will be required to submit to background checks including but not limited to employment, education and criminal record checks. Further details will be provided to applicants that successfully meet the criteria for the position as determined by the company in its sole discretion. By submitting an application for employment, you are acknowledging and consenting to this requirement.

The salary range for US-based candidates only will be determined throughout the interview process depending on experience and skills.

US pay range (not including bonus, equity or other benefits)

$155,000—$186,000 USD

In the rapidly evolving Web3 space, we believe that everyone is a builder. This expansive paradigm requires a range of backgrounds, talents, skills, and experiences to influence and shape the future. At Consensys, this diversity fuels our ability to shift control and redefine the realm of possibility. We are committed to ensuring that our technology empowers people and communities with economic and political agency through decentralized technologies. We welcome the range of perspectives and differences and celebrate them. We're excited to see how your unique skills as a builder can contribute to our vision, drive innovation, and help us shape a more inclusive Web3.

Consensys is an equal opportunity employer. All employment decisions are made without regard to race, color, national origin, ancestry, sex, gender, gender identity or expression, sexual orientation, age, genetic information, religion, disability, medical condition, pregnancy, marital status, family status, veteran status, or any other characteristic protected by law. Consensys is aware of fraudulent recruitment practices and we encourage all applicants to review our best practices to protect yourself which can be found (https://consensys.io/careers/best-practices-to-avoid-recruitment-fraud/).

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What does a blockchain developer do?

A blockchain developer is a software developer who specializes in the development of applications that make use of blockchain technology

Some of the responsibilities of a blockchain developer may include:

Designing and implementing smart contracts.
Creating and maintaining the infrastructure that supports the blockchain network, and developing user-facing applications that make use of the blockchain.
Additionally, a blockchain developer may also be responsible for researching and staying up-to-date with the latest developments in blockchain technology, in order to ensure that their applications are secure and efficient.