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| Job Position | Company | Posted | Location | Salary | Tags |
|---|---|---|---|---|---|
1inch | Dubai, United Arab Emirates | $126k - $150k | |||
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Keyrock | London, United Kingdom | $85k - $102k | |||
Keyrock | Brussels, Belgium | $54k - $90k | |||
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Keyrock | Sofia, Bulgaria | $72k - $99k | |||
Keyrock | Porto, Portugal | $72k - $99k | |||
Keyrock | London, United Kingdom | $72k - $99k | |||
Keyrock | Brussels, Belgium | $72k - $99k | |||
Keyrock | Barcelona, Spain | $72k - $99k | |||
Ether.fi | Cayman Islands, Cayman Islands | $120k - $220k | |||
Ether.fi | New York, NY, United States | $160k - $200k | |||
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Trident Consulting | Irvine, CA, United States | $134k - $163k |
QA Engineer Backend
Dubai
Product & Technology – QA & Testing /
Full-time /
On-site
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1inch is the DeFi ecosystem building financial freedom for everyone. 1inch products help users and builders trade, hold and track digital assets - with the self-custody, comprehensive security and the intuitive user experience they need to unlock the potential of true crypto ownership. 1inch protocols and APIs provide core infrastructure across the DeFi industry and beyond.
So if you’re someone who thinks big, moves fast and wants to make an impact right from day one, then get ready to join our industry-changing team.
Location: We hire with a focus on Dubai and Europe. For this role, we prefer candidates who are either based in Dubai or working remotely within +/- 4 hours GST time.
We are looking for a Dubai based Backend QA Engineer(DeFi/Web3-focused) to own and drive the quality strategy for our DeFI backend systems. This role will involve designing robust test frameworks, validating smart contract integrations, and ensuring performance, security, and reliability across our DeFi protocol integrations. You should be deeply familiar with Web3 architecture, DeFi primitives, and have experience working in high-load environments with a strong focus on test automation.
Responsibilities
- Designing, developing, and maintaining automated test suites for APIs, backend services, and smart contract interactions.
- Implementing integration, regression, and end-to-end testing strategies for DeFi components.
- Creating mocks/stubs for Web3 environments, token behaviours, and smart contract logic to ensure thorough code coverage using static and dynamic analysis tools.
- Validating the integration of new DeFi protocols (e.g., AMMs, lending markets) into backend systems.
- Analysing and simulating economic behaviours, such as slippage, liquidity depth, and oracle responses.
- Testing token standards (ERC20, ERC721, etc.) and smart contract edge cases.
- Performing load and stress testing on backend systems that interact with blockchain nodes, while also monitoring latency and transaction throughput.
- Identifying performance bottlenecks and working with engineering teams to address them.
- Collaborating with the backend team to identify and reproduce issues.
- Utilising tools such as Hardhat, Foundry, Tenderly, and The Graph for contract and protocol validation.
Requirements
- Work with Docker, Kubernetes, and CI/CD pipelines to ensure seamless QA environments
- Prior QA experience in fintech, DeFi, or crypto projects
- Experience testing backend services
- Enterprise-oriented mindset with a focus on structure, scalability, and quality
- Comfortable working in a Scrum-based, agile environment
- Strong sense of ownership and proactive communication in distributed teams
Skills
- Experienced in testing systems that interact with Ethereum nodes (e.g., Geth, Infura)
- Automated testing tools in Web3 (e.g., Hardhat, Foundry, Chai, Mocha)
- Strong skills in test automation
- Integration of De-Fi Protocols into backend systems
- Proficient in testing micro-services architectures and asynchronous systems using message brokers like Kafka or NATS
- Familiarity with DeFi primitives (e.g., Uniswap v2/v3, Compound, Aave, Curve)
Why Work for us?
- Join a young, creative team in a fast-paced and supportive environment
- We’re open to new ideas — if you’ve got a vision, pitch it and make it happen
- Enjoy competitive pay that matches your skills and experience
- Be part of a company that’s shaping the future of DeFi
- Take time when you need it — we offer unlimited vacation days
- Get fully compensated for your work gear — we’ll set you up for success
- Travel with us! We host an annual team retreat at a top international location
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How do I get a job at DeFi?
Getting a job in the DeFi (decentralized finance) industry can be a competitive process, but there are a few steps you can take to increase your chances of finding a job in this field:
- Build up your skills and knowledge: To work in DeFi, you'll likely need to have a strong understanding of blockchain technology, as well as other related technologies such as smart contracts and cryptocurrency. Consider taking online courses or earning a degree in a relevant field to build up your skills and knowledge.
- Network with industry professionals: Attend meetups and conferences related to DeFi and make connections with professionals in the industry. Networking can be a valuable way to learn about job openings and get your foot in the door at a DeFi company.
- Create a strong online presence: Many DeFi companies will look at your online presence (such as your LinkedIn profile and personal website) when considering you for a job. Make sure to showcase your skills and accomplishments online and keep your profile up to date.
- Apply for relevant job openings: Keep an eye out for job openings at DeFi companies and apply for positions that align with your skills and experience. Apply for DeFi Jobs without Experience. Tailor your resume and cover letter to the specific job you're applying for and highlight any relevant experience or skills you have.
- Consider internships or volunteer work: DeFi Internships or volunteer work can be a great way to get your foot in the door and gain valuable experience in the DeFi industry. Many companies also offer internships to students, so consider applying for an internship if you're still in school.
- Be persistent: keep trying if you don't get a job right away. It can take time to find the right opportunity, but with the right skills and determination, you can land a job in the DeFi industry.