Explore AI roles

Keyboard friendly • Copy, share & save roles

Sort by

Note: This is a fully remote position, since we are a globally remote team. About Kosen Labs We are a team of ex-Goog...

Remote Dev Blockchain Web3js

$0k · Senior Fully remote

Apply

About Pretoria: Pretoria is a genesis mainnet validator on the Celo network and is current...

Cto Executive Blockchain Remote

$140k - $180k* · Senior Fully remote

Apply

This is a fantastic opportunity to build and grow knowledge around blockchain with a hyper growth analytics team here...

Dev Blockchain Solidity Java

Fully remote

Apply

About Pretoria: Pretoria is a genesis mainnet validator on the Celo network and is current...

Executive Blockchain Remote React

$140k - $180k* · Senior Fully remote

Apply

We are looking for content writers who are interested in the Blockchain space. The candidate has a strong interest in...

Copywriting Blockchain Solidity Content Writer

$4k - $6k · Senior Fully remote

Apply

Our Mission at Giveth Giveth is a community focused on Building the Future of Giving using blockchain technology. Our...

Dev Solidity Remote

$65k - $70k · Senior Fully remote

Apply

Our Mission at Giveth Giveth is a community focused on Building the Future of Giving using blockchain technology. Our...

Dev Lead Solidity Ethereum

$90k - $100k* · Senior Fully remote

Apply

About the job Sizzle is an exciting new startup in the world of gaming. At Sizzle, we’re building AI to automatically...

Dev Blockchain React Solana

$0k · Senior Fully remote

Apply

You’ll need to operate with a high level of autonomy and operate analytically, working from customer insights and the...

Product Manager Non Tech Blockchain Solidity

$31k - $80k* · Senior Fully remote

Apply

Panther Protocol is building an end-to-end privacy protocol for digital assets (zAssets), which can be deployed in a ...

Architecture Blockchain Ethereum Node

$80k* · Senior Fully remote

Apply

Responsibilities Participate in the architectural and design decisions on blockchain DApp Design, implement, deploy, ...

Dev Blockchain Solidity Node

$360k - $384k · Senior Fully remote

Apply

About MRGN Labs: MRGN Labs believes in an accessible, decentralized future. We build scalable infrastructure projects...

Dev Senior Blockchain Remote

$98k - $150k* · Senior Fully remote

Apply

YOUR PURPOSE Coin Metrics is recruiting a Blockchain Attribution Specialist to support its market and network produ...

Blockchain Ethereum Solidity Defi

$42k - $60k* · Senior Fully remote

Apply

About MRGN Labs: MRGN Labs believes in an accessible, decentralized future. We build scalable infrastructure projects...

Dev Senior Blockchain Remote

$98k - $150k* · Senior Fully remote

Apply

About MRGN Labs: MRGN Labs believes in an accessible, decentralized future. We build scalable infrastructure projects...

Dev Senior Blockchain Remote

$98k - $150k* · Senior Fully remote

Apply

Panther Protocol is building an end-to-end privacy protocol for digital assets (zAssets), which can be deployed in a ...

Architecture Blockchain Ethereum Node

$80k* · Senior Fully remote

Apply

About GenesisGenesis is a global leader in institutional digital asset markets. We provide a single point of access f...

Dev Blockchain Ethereum Node

$70k - $72k* · Senior Fully remote

Apply

About MRGN Labs: MRGN Labs believes in an accessible, decentralized future. We build scalable infrastructure projects...

Dev Senior Blockchain Remote

$98k - $150k* · Senior Fully remote

Apply

About MRGN Labs: MRGN Labs believes in an accessible, decentralized future. We build scalable infrastructure projects...

Dev Senior Blockchain Remote

$98k - $150k* · Senior Fully remote

Apply

About MRGN Labs: MRGN Labs believes in an accessible, decentralized future. We build scalable infrastructure projects...

Dev Senior Blockchain Remote

$98k - $150k* · Senior Fully remote

Apply

ATO Platform is an art asset management solution pioneering the next era of the art industry – finally democratizing ...

Dev Lead Blockchain Solidity

$120k - $200k · Senior Fully remote

Apply

About MRGN Labs: MRGN Labs believes in an accessible, decentralized future. We build scalable infrastructure projects...

Dev Senior Blockchain Remote

$98k - $150k* · Senior Fully remote

Apply

About MRGN Labs: MRGN Labs believes in an accessible, decentralized future. We build scalable infrastructure projects...

Dev Senior Blockchain Remote

$98k - $150k* · Senior Fully remote

Apply

About MRGN Labs: MRGN Labs believes in an accessible, decentralized future. We build scalable infrastructure projects...

Dev Senior Blockchain Remote

$98k - $150k* · Senior Fully remote

Apply

We have a unique team in which all members earn equity and governance. Pair with more experienced devs and learn to w...

Dev Flutter Python Javascript

$0k · Senior Fully remote

Apply

Showing 176–200 of 219 AI roles

1 … 7 9

Selected role

Blockchain Engineer Globally remote

Kosen Labs California San Jose United States

Live

$0k · Senior Full-time Posted over 3 years ago 3 min read

Description

Note: This is a fully remote position, since we are a globally remote team.

About Kosen Labs

We are a team of ex-Google DeepMind AI researchers and engineers with extensive experience in designing and implementing cutting edge solutions to machine learning and numerical optimisation problems.

The mission of Kosen Labs is to bring the benefits of AI & advanced optimization to the DeFi space and beyond, all while keeping entry barriers low for the end user and allowing everyone to partake in the new decentralised economy.

We are funded by top-tier Silicon Valley and crypto-native VCs, such as Andreessen Horowitz and Framework Ventures.

The role

We are looking for an ambitious Blockchain Engineer to join the growing Kosen Labs Engineering team. As a Blockchain Engineer you will work with our senior team members to develop and implement secure smart contract protocols and backend services to connect users with the Kosen ML ecosystem. The work will initially focus on the major DeFi protocols, primarily different AMMs and derivative protocols.

Key Responsibilities

Working independently on software development tasks;
Contributing to the design of algorithms;
Writing clean, straightforward, efficient code that satisfies acceptance criteria and specifications;
Committing and submitting frequently small pull requests;
Fixing bugs in your own code and in legacy code from others;
Troubleshooting, debugging and upgrading existing software;
Writing documentation for the code.

Requirements

Skills and Experience

General knowledge of blockchain technology;
Understanding of how EVM-based chains work;
Proven 3+ years of experience in software or hardware engineering;
At least 1 year of Solidity development experience;
Good knowledge of development frameworks like Truffle, Hardhat or Brownie;
Experience with web3.js or ethers.js;
Experience with OpenZeppelin libraries;
Experience using TDD methodologies;
Basic financial knowledge;
Familiarity with smart contract exploits.

Nice to have

Experience with DeFi protocols;
Quant finance background;
Basic understanding of machine learning technology.

Personal Qualities

Excellent verbal and written communication skills;
Rigorous attention to detail and a desire to deliver high-quality work;
Self-motivated with a passion for continuous improvement and learning;
Willingness to adapt to a variable role and a great can-do attitude.

Benefits

Competitive salary;
Equity and token allocation;
Remote-first, flexible, and fun working environment;
Unlimited time off;
A new shiny laptop for your role;
Occasional paid travel costs to conferences and off-sites.

Kosen Labs focuses on Artificial Intelligence and Blockchain / Cryptocurrency. Their company has offices in Lisbon. They have a small team that's between 11-50 employees.

You can view their website at https://kosen.ai or find them on Twitter.

Ready to apply? You'll go straight to the hiring team.

No agency in the middle · Your profile is shared privately.

Explore the complete AI ecosystem

Discover the best AI-first companies, podcasts, events, learning paths, and jobs in one focused hub.

AI Learning Hub · Always curated, never noisy

Simple pricing for serious AI hiring

Pay per listing. No subscriptions, no hidden fees. Designed for teams hiring for high-impact AI roles.

No-risk: replace or refund if the role doesn’t get traction.

Standard listing

Reach active AI talent

For startups

$349 per role

30-day live listing in the AI job feed.
Structured posting written for AI engineers (we’ll help refine copy).
Instant alerts to subscribed candidates for your tags (LLMs, agents, infra, etc.).

Most teams see first applicants within 24–48 hours.

Max visibility to senior talent

For scale-ups

$649 per role

Everything in Standard, plus homepage & “Featured role” placement.
Priority placement in weekly AI roles newsletter.
1:1 review of your role with DevFound to calibrate for top-tier candidates.
Highlight badge on job page to increase conversion.

Best for teams hiring 1–3 critical AI roles this quarter.

What does a solidity developer do?

▼

A Solidity developer is a programmer who specializes in writing smart contracts using the Solidity programming language

Solidity is a contract-oriented, high-level language for implementing smart contracts on various blockchain platforms, such as Ethereum

The responsibilities of a Solidity developer can vary depending on the specific project they are working on, but some common tasks they might be responsible for include:

Writing and testing Solidity code for smart contracts, Debugging and troubleshooting issues with existing smart contracts
Collaborating with other members of the development team to ensure that the contracts are implemented according to the project's specifications
Keeping up-to-date with the latest developments in the Solidity and blockchain communities, and incorporating new best practices and techniques into their work
Participating in code reviews and contributing to the development of coding standards and guidelines for the project.

Solidity Jobs

Explore AI roles

Blockchain Engineer Globally remote

CTO f m x in the Blockchain space

Blockchain Research Engineer

CTO f m x in the Blockchain space

Blockchain Content Writer

Solidity developer

Giveth Lead Solidity Developer

Blockchain Developer

Product Manager Blockchain

Blockchain Architect

Blockchain Developer Solidity

Senior Blockchain Engineer

BLOCKCHAIN ATTRIBUTION SPECIALIST

Senior Blockchain Engineer

Senior Blockchain Engineer

Blockchain Architect

Blockchain Research Engineer Custody

Senior Blockchain Engineer

Senior Blockchain Engineer

Senior Blockchain Engineer

Lead Blockchain Developer Substrate and Solidity

Senior Blockchain Engineer

Senior Blockchain Engineer

Senior Blockchain Engineer

EQUITY ONLY Python React Flutter Solidity developer interns

Explore the complete AI ecosystem

Choose Your Plan

Simple pricing for serious AI hiring

Reach active AI talent

Max visibility to senior talent

What does a solidity developer do?