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- Tasks: Design and optimise blockchain architecture, lead smart contract development, and ensure security best practices.
- Company: Join 1inch, a pioneering DeFi ecosystem focused on financial freedom and innovation.
- Benefits: Competitive pay, unlimited vacation, work gear compensation, and annual team retreats.
- Why this job: Be part of a creative team shaping the future of DeFi in a fast-paced environment.
- Qualifications: 7+ years in software development, 3+ years in blockchain engineering, and strong leadership skills.
- Other info: Work remotely within +/- 4 hours GST time and collaborate with a dynamic, young team.
The predicted salary is between 54000 - 84000 £ per year.
1inch is the DeFi ecosystem building financial freedom for everyone. 1inch products help users and builders trade, hold and track digital assets with self-custody, security and an intuitive user experience. 1inch protocols and APIs provide core infrastructure across the DeFi industry and beyond. We are looking for a Senior Blockchain Engineer to join our team and help us deliver innovative and secure DeFi solutions.
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. This position requires a Get Stuff Done mentality and a passion for innovation.
Responsibilities
- Designing and optimising blockchain product architecture with a focus on scalability, security, and performance
- Leading the development, auditing, and integration of smart contracts within decentralised protocols
- Conducting technical research and PoC experiments, while implementing best practices in blockchain development
- Developing and improving cross-chain interoperability solutions, such as cross-chain swaps and bridges
- Designing and developing efficient algorithms, with a focus on gas optimisation
- Defining and implementing effective CI/CD processes for blockchain development
- Analysing and addressing potential attack vectors and ensuring security best practices
- Continuously monitoring emerging blockchain, Web3, and crypto technologies
- Performing rigorous code reviews, mentoring developers, and enforcing best practices in blockchain engineering
- Collaborating with auditors and cross-functional teams to ensure successful product launches
Requirements
- 7+ years of software development experience, with at least 3+ years in blockchain engineering
- Deep understanding of blockchain ecosystems, smart contracts (Solidity, Yul, EVM), and decentralized applications (dApps)
- Hands-on experience with Ethereum, Layer 2 solutions (Optimistic & ZK Rollups), and cross-chain protocols (atomic swaps, bridges, etc.)
- Proven track record in technical leadership, architectural decision-making, and mentoring development teams
- Strong background in blockchain security and experience with smart contract audits
Skills
- Proficiency in Solidity, Yul, Rust, TypeScript
- Experience with smart contract development and deployment frameworks (Foundry, Hardhat)
- Understanding of DeFi protocols, AMMs, liquidity pools, and oracle integrations
- Expertise in blockchain security principles and smart contract auditing methodologies
- Experience in building high-performance distributed systems
Why you’ll love working with 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
Senior Software Engineer, (Blockchain) in London employer: 1inch
Contact Detail:
1inch Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Senior Software Engineer, (Blockchain) in London
✨Tip Number 1
Network like a pro! Attend blockchain meetups, webinars, and conferences to connect with industry folks. You never know who might be looking for someone just like you!
✨Tip Number 2
Show off your skills! Build a portfolio of projects that highlight your blockchain expertise. Share them on GitHub or your personal website to catch the eye of potential employers.
✨Tip Number 3
Get involved in the community! Contribute to open-source projects or engage in discussions on forums. This not only boosts your visibility but also shows your passion for the field.
✨Tip Number 4
Apply through our website! We love seeing candidates who take the initiative. Tailor your approach to showcase how your experience aligns with our mission at 1inch.
We think you need these skills to ace Senior Software Engineer, (Blockchain) in London
Some tips for your application 🫡
Tailor Your CV: Make sure your CV is tailored to the Senior Blockchain Engineer role. Highlight your experience with smart contracts, blockchain security, and any relevant projects you've worked on. We want to see how your skills align with what we're looking for!
Craft a Compelling Cover Letter: Your cover letter is your chance to shine! Share your passion for DeFi and innovation, and explain why you’re excited about joining our team at 1inch. Let us know how you can contribute to our mission of building financial freedom.
Showcase Your Projects: If you've worked on any blockchain projects, make sure to showcase them in your application. Whether it's a dApp or a smart contract, we love seeing real-world examples of your work. It helps us understand your hands-on experience!
Apply Through Our Website: We encourage you to apply through our website for a smoother process. It’s the best way for us to receive your application and ensures you don’t miss out on any important updates. We can’t wait to hear from you!
How to prepare for a job interview at 1inch
✨Know Your Blockchain Stuff
Make sure you brush up on your blockchain knowledge, especially around smart contracts and DeFi protocols. Be ready to discuss your experience with Ethereum, Layer 2 solutions, and cross-chain protocols. This will show that you’re not just familiar with the tech but can also apply it effectively.
✨Showcase Your Problem-Solving Skills
Prepare to talk about specific challenges you've faced in previous projects, particularly around scalability and security. Use examples that highlight your ability to design efficient algorithms and optimise gas usage. This will demonstrate your hands-on experience and innovative mindset.
✨Get Familiar with Their Products
Take some time to explore 1inch’s products and understand their unique features. Being able to discuss how you can contribute to their existing solutions or suggest improvements will set you apart. It shows genuine interest and that you’ve done your homework.
✨Be Ready for Technical Questions
Expect to dive deep into technical discussions, including code reviews and best practices in blockchain development. Brush up on your knowledge of Solidity, Yul, and Rust, and be prepared to explain your thought process during problem-solving scenarios. This is your chance to shine as a technical leader!
