LI.FI is simplifying multi-chain DeFi for traditional financial institutions, fintechs and service providers by offering a unified API to access all on-chain liquidity across major blockchains for best price same-chain and cross-chain swaps. We are a passionate team on a mission to enable a fairer, more decentralised world. Apart from the tech, we care a lot about user experience and aim to make complex technologies accessible to everyone.

A quick run-down of the job

As a Junior Smart Contract Developer, you will work closely with our developers and engineers to design, test, and deploy smart contracts. This is a unique opportunity to dive into blockchain technology and contribute to a real-world project. You will be exposed to various aspects of smart contract development, from writing code and unit testing to conducting code reviews as well as researching topics, tools and security incidents. Our extensive codebase includes over 50 different smart contracts which are deployed to more than 20 different networks.

Please note: This role requires you to be located in EMEA or APAC. Your application will not be considered otherwise.

Our tech stack: Solidity, Yul/Assembly, Foundry, TypeScript

What you'll do

• Assist in writing, testing, and deploying smart contracts using Solidity
• Enhance our CI/CD pipelines on GitHub, automating workflows to maintain the highest standards of security and code quality
• Participate in code reviews and provide feedback to ensure code quality and security
• Write unit and integration tests to ensure the robustness of our smart contracts, optimizing gas consumption for efficiency
• Investigate failing transactions, identify the root cause and create fixes
• Contribute to technical documentation
• Stay up-to-date with the latest trends and technologies in blockchain, including Layer 2 solutions, DeFi protocols, and EVM (Ethereum Virtual Machine) upgrades
• Work closely with other developers, product managers, and QA engineers to ensure seamless integration of smart contracts into broader system

What makes a good candidate

• Fundamental understanding of blockchain technology, Ethereum, and smart contracts
• Previous hands-on experience in smart contract development
• Proficiency in Solidity
• Understanding of gas optimization techniques and contract security best practices
• Strong problem-solving skills and the ability to think critically about complex technical issues
• Detail-oriented with a careful approach to writing code, with a focus on security and efficiency
• Strong written and verbal communication skills for effective interaction within the team and external stakeholders
• Ability to work independently and collaboratively within a distributed, culturally diverse team
• Eagerness to learn and take on new challenges
• Experience with non-EVM smart contract ecosystems and/or Huff programming is a plus
• Experience working with/for a major DeFi protocol is a plus
• Contributions to Ethereum Improvement Proposals (EIPs) or other blockchain initiatives are a plus
• A degree in computer science or a related field is a plus

We encourage you to apply if you feel your experience and skills equip you for this job but are not listed here!

Company Culture

• Embracing the differences
  • Embrace your own differences
  • Respect and welcome the unique qualities of others
  • See others’ differences as an opportunity to grow
• Own it, do it
  • Own tasks end-to-end
  • Hold yourself to a high bar for execution
  • Make bold decisions, and be accountable
  • Understand your limitations and seek for help
• Fail forward
  • Try - don’t be afraid to fail
  • Learn - don’t make the same mistake twice
  • Adapt - grow with the experience
• Have fun together
  • Take the time to get to know and understand each other better
  • Don’t take yourself too seriously and keep it light-hearted
  • Fun should be coming from a place of love and respect

What you’ll get

• Annual team offsites (Thailand was a blast at the beginning of 2023, Vietnam this year was blast-ier; let’s see what happens in 2025!)
• Flexible remote days
• Flexible working hours
• Equity participation from Day 1
• Entitlement to work computer (choice of equipment)
• 1 conference per year near your city of residence (for engineering roles)
• An annual 1,000€ personal development budget once you have worked 6+ months (pro-rated the first year)
• A one-time 1,000€ remote budget to use on coworking, office setup, etc.
• 30 PTO days

If you join us as an independent contractor, you’re only entitled to the first four benefits of this list.

Application process

Li.Fi is an equal opportunity employer. We encourage individuals of all backgrounds to apply. Join us in our dedication to fostering a workplace that values and respects each team member's unique contributions.

To apply, submit your resume and a cover letter detailing your relevant experiences and competencies. Shortlisted candidates will undergo a comprehensive interview process, including a people operations interview, take-home assignment, meet the team & founder interview, and reference check.

For more information, visit our page detailing our hiring process! If you have a question you can’t find the answer to, please feel free to reach out to career@li.finance. We look forward to welcoming a candidate who embodies our values of ownership, collaboration, and continuous improvement.