At a Glance
- Tasks: Design and develop secure smart contracts for Ethereum staking.
- Company: Join SSV Labs, a global leader in decentralised staking infrastructure.
- Benefits: Competitive salary, remote work options, and inclusive culture.
- Other info: Exciting opportunities for career growth in a dynamic environment.
- Why this job: Make a real impact in the fast-growing crypto world.
- Qualifications: 3+ years in Solidity development and strong team collaboration skills.
The predicted salary is between 36000 - 60000 € per year.
Solidity Developer role at SSV Labs
Solidity Developer at SSV Labs — join a global, innovative team building decentralized staking infrastructure for Ethereum. SSV Labs is the core team behind the SSV Network, developing tools, protocols, and standards to make staking more secure, scalable, and trustless. The team is delivering SSV 2.0, a modular, next-gen staking layer enabling non-custodial validators with advanced features and performance at scale.
Why join our team? We value diverse backgrounds, transparent collaboration, and opportunities to work with the latest technologies. You will contribute to a fast-growing crypto startup and help shape the future of decentralized staking.
If you are a Solidity Developer looking to make an impact, this role offers the chance to define the next generation of secure, scalable blockchain infrastructure and to influence a global network of validators and Layer‑2 ecosystems.
Responsibilities- Design and develop secure and robust smart contracts following security and efficiency best practices.
- Research and study existing and upcoming protocols in the Ethereum staking ecosystem to evaluate and design integrations.
- Define and execute comprehensive test suites—including unit tests, integration tests, fuzz testing, property-based tests, and scenario simulations.
- Collaborate with the contracts team to architect, specify, and implement research findings.
- Continuously evaluate and improve the security, scalability, and efficiency of our contracts.
- Collaborate with product managers, designers, frontend developers, and other engineers.
- Report progress in a transparent, accountable manner; escalate risks and failures promptly; share learnings and documentation.
- Work at a rapid pace with substantial ownership and autonomy.
- Deep conceptual and technological understanding of Ethereum
- At least 3 years of experience in Solidity development
- At least 5 years of development experience total
- Experience with at least one other programming language (Go/ Python/ JavaScript) and Ethereum development frameworks (Hardhat/ Foundry)
- Deep familiarity with Optimistic Rollups: challenge periods, fraud-proof design, sequencing
- Deep familiarity with ZK-Rollups (e.g., zkSync, StarkNet, Polygon zkEVM): validity proof systems, prover/verifier pipelines, circuit design
- Familiarity with trust-minimized cross-chain protocols
- Can-do mentality and strong team collaboration skills
- Experience with leveraging existing open-source solutions
- Strong knowledge of algorithms and data structures relevant to Solidity, including gas optimization
- Previous experience integrating systems/apps in Ethereum (bridges, dApps, or contracts)
- Familiarity with cryptography (advantage)
- BSc in Computer Science or relevant field (advantage); knowledge of Blockchain/Digital Currencies/Staking (advantage)
- We offer equal opportunities and an inclusive recruitment process for global teams
- Full-time
Location: London, United Kingdom (remote options may apply; verify during application)
We look forward to hearing from passionate, goal-oriented applicants ready to make their mark in the blockchain space.
#J-18808-LjbffrSolidity Developer in London employer: SSV Labs
SSV Labs is an exceptional employer for Solidity Developers, offering a dynamic work environment in London where innovation meets collaboration. With a focus on diverse backgrounds and transparent communication, employees are empowered to take ownership of their projects while working with cutting-edge technologies in the rapidly evolving blockchain space. The company fosters professional growth through meaningful contributions to the future of decentralized staking, making it an ideal place for those looking to make a significant impact.
StudySmarter Expert Advice🤫
We think this is how you could land Solidity Developer in London
✨Tip Number 1
Network like a pro! Get involved in Ethereum and blockchain communities, both online and offline. Attend meetups, webinars, and hackathons to connect with like-minded folks and potential employers.
✨Tip Number 2
Show off your skills! Create a portfolio showcasing your Solidity projects and contributions to open-source. This is your chance to demonstrate your expertise and passion for decentralised staking.
✨Tip Number 3
Prepare for technical interviews by brushing up on smart contract security and efficiency best practices. Be ready to discuss your previous work and how you’ve tackled challenges in Solidity development.
✨Tip Number 4
Apply through our website! It’s the best way to ensure your application gets noticed. Plus, we love seeing candidates who are proactive about joining our innovative team at SSV Labs.
We think you need these skills to ace Solidity Developer in London
Some tips for your application 🫡
Tailor Your CV:Make sure your CV is tailored to the Solidity Developer role. Highlight your experience with Ethereum, smart contracts, and any relevant programming languages. 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 blockchain and decentralised staking, and explain why you want to join our team at SSV Labs. Let us know how you can contribute to our mission.
Showcase Your Projects:If you've worked on any cool projects related to Solidity or Ethereum, make sure to mention them! We love seeing real-world applications of your skills, so don’t hold back on sharing your achievements.
Apply Through Our Website:We encourage you to apply directly through our website. It’s the best way to ensure your application gets into the right hands. Plus, it shows us you're serious about joining our innovative team!
How to prepare for a job interview at SSV Labs
✨Know Your Solidity Inside Out
Make sure you brush up on your Solidity skills before the interview. Be prepared to discuss your past projects, especially those involving smart contracts. Highlight any specific challenges you faced and how you overcame them, as this shows your problem-solving abilities.
✨Familiarise Yourself with Ethereum Protocols
Since the role involves working with Ethereum staking, it’s crucial to understand the latest protocols and developments in the ecosystem. Research SSV Labs' contributions and be ready to discuss how you can integrate new protocols into their existing framework.
✨Showcase Your Testing Knowledge
Testing is a big part of the job, so be prepared to talk about your experience with different testing methodologies like unit tests and fuzz testing. Bring examples of how you've implemented comprehensive test suites in your previous roles to ensure contract security and efficiency.
✨Demonstrate Team Collaboration Skills
SSV Labs values collaboration, so be ready to share experiences where you worked closely with product managers, designers, or other developers. Discuss how you communicated progress and escalated issues, as this will show that you can thrive in a transparent and accountable environment.
