Senior Smart Contract Engineer

Kiln; Remote; GBP 70,000 - 90,000; Full time

Job summary

A blockchain technology company in Greater London is searching for a Senior Developer specialized in smart contract development. The role includes designing and deploying contracts on EVM-compatible blockchains and providing guidance to junior developers. Candidates should have a minimum of 6 years of experience, proficiency in Solidity, and a solid understanding of decentralized finance. The company offers a flexible work environment, competitive salary, and significant personal development opportunities.

Benefits

Equity share options

Competitive salary

Flexible holiday

Flexible remote working

Significant personal development budget

Overseas tech conferences budget

Qualifications

• 6 years of experience in smart contract development.
• Experience with decentralized finance (DeFi) projects.
• Strong understanding of blockchain technology.

Responsibilities

• Design, develop, and deploy smart contracts on EVM-compatible blockchains.
• Write comprehensive and well-structured documentation for smart contracts.
• Provide technical guidance and mentorship to junior developers.

Skills

Proficient in Solidity

Strong understanding of the EVM

Excellent problem-solving skills

Strong communication skills

Tools

Foundry

Truffle

Hardhat

Remix

Job description

Full time - UK or Paris based

Kiln is now part of the prestigious French Government program #FT120 from La French Tech!

Responsibilities

Design develop and deploy smart contracts on EVM-compatible blockchains : 6 years of experience

Write comprehensive and well-structured documentation for smart contracts and their functionalities.

Write in-depth test suite including unit tests e2e tests fork tests & invariant tests using Foundrys best practices.

Participate in audits related to the smart contract codebases.

Provide technical guidance and mentorship to junior developers and team members.

Participate in product governance and incident response processes with the rest of the team.

Stay updated with the latest industry trends and technologies in blockchain and smart contract development.

Collaborate with front-end and back-end developers to integrate smart contracts with web and mobile applications.

Stack

• Smart-contract: Solidity Foundry

Requirements

Proficient in Solidity and strong understanding of the Ethereum Virtual Machine (EVM).

6 years of experience with smart contract development tools ideally including Foundry but any experience is valued (Truffle Hardhat Remix).

Previous work with decentralized finance (DeFi) projects.

Experience in conducting audits with top-tier auditing firms (Spearbit Trail of Bits Sigma Prime).

Strong understanding of blockchain technology and decentralized architectures.

Knowledge of smart contract security practices and common vulnerabilities.

Excellent problem-solving skills and attention to detail.

Strong communication and collaboration skills.

Fluent (written and spoken) in English.

Nice-to-have

Experience with Layer 2 scaling solutions such as Optimism Arbitrum Base Zksync ...

Contributions to open-source projects in the blockchain space.

Smart contract related tooling skills for scripting purposes.

About Kiln

Kiln is the leading enterprise-grade rewards platform that enables institutional customers to stake assets and integrate staking & DeFi functionality into their offerings. Our API-first platform provides fully automated validators staking & DeFi protocols access and comprehensive data and commission management.

With $15 billion in crypto assets staked through our platform Kiln has established a strong presence on Ethereum managing over 5.4% of the network through 50000 validators all with zero slashing events.

Kiln serves more than 140 leading customers including Binance BitPanda Bitgo Fireblocks VanEck and TrustWallet.

Our team of 110 ecosystem enthusiasts brings experience from industry leaders like Google Circle Ledger Chainalysis and other prominent technology and cryptocurrency companies.

Weve raised $30M in total funding from prominent investors including 1kx Illuminate Financial Consensys Wintermute Kraken Ventures...

Join Kiln and help us make the web more secure stable decentralized and fair!

How Kiln will support you

At Kiln our values drive us : Technical Excellence ensures top security and usability; Innovation-Driven Meritocracy elevates groundbreaking ideas; Trust and Transparency build reliability through open communication; and People First keeps our team and clients at the heart of everything we do.

A fast-paced bureaucracy-free work environment

Equity share options in the business : if Kiln succeeds we all succeed!

Competitive salary

Flexible holiday

Flexible remote working

Choose your IT equipment

Internet connection : 50 / month

Significant personal development budget (books training)

Overseas tech conferences budget

Kiln is an Equal Opportunity Employer

We are committed to fostering an inclusive and diverse workplace where everyone is valued and respected. We welcome applications from all backgrounds including women or persons with disabilities.

Your interview process

Our thorough process ensures the best fit for both you and Kiln and we strive to make each step valuable and efficient.

Recruiter Interview (45 min)

Chat with Manager (30min)

Technical Interview (60 min)

Core Values Interview (45 min)

Founders Interview (30 min)

Offer!

Your personal information will be securely stored in our Applicant Tracking System (ATS) and will not be shared with external parties. We comply fully with GDPR regulations to protect our data and privacy.

Please note that we do not sponsor visas for persons without work authorization in your location. This role is for full-time employees only (no B2B or contractors). Thank you!

Required Experience :

Senior IC

Employment Type : Full-Time

Experience : years

Vacancy : 1