Senior Golang Engineer- remote-$94K – $130K-France or UK

Full time – On-site in Paris / London, or full remote from Western EU

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

As a Senior Backend Engineer at here, you will join our Software Team, composed of 14 engineers (Backend, Frontend, QA) split into 3 squads, to build the future of our SaaS/API-first products. You will report to our Head of Software, and collaborate with the Product, Infrastructure and Smart-Contract teams to work on the various products that their offers.

Responsibilities:Contribute to architectural decisions and technical strategy.

• Develop and implement software features in our Golang services (data aggregators, APIs, Blockchain Transaction crafting, …).
• Take part in automation, testing, and CI/CD processes.
• Participate in code review, bug fixing, code maintenance.
• Ensure that our services communicate with each other seamlessly, have minimal downtime, and recover quickly.
• Make sure we respect any software security norms (they are a SOC 2 Type 1 and Type 2 company).
• Actively suggest continuous improvement of their platform and engineering practices.
• Communicate with other teams to help them understand the Software roadmap and technical challenges. 

Stack: 

• Software: Go, TypeScript, PostgreSQL, REST API…
• Smart-contract: Solidity, Foundry
• Infrastructure: GCP, AWS, Kubernetes
• 100+ Go services processing data for 15+ blockchains
• 200Gb of raw data processed every day
• 2Tb of staking data available through our client Connect API

Requirements

• +6 years of experience as Software Engineer (Backend), designing, building, and deploying user-facing, infrastructure-related, and/or API-based products.
• +3 years of Golang programming — professional experience in a production environment.
• Familiar with container/orchestrator technologies (Docker/Kubernetes), and Continuous Integration.
• Ability to ship opinionated architectural choices and code, and to share software best practices.
• Proven interest in Web3, blockchain, cryptocurrency and smart contracts – check our Tech Blog and Open-Source Contribution

Fluent (written and spoken) in English.

Nice-to-have:

• Previous experience working within a certified environment (SOC2, ISO 27001, PCI DSS, HIPAA…)
• Previous experience with NodeJS
• Genuine interest in Web3, blockchain, cryptocurrency and smart contracts – check our Tech Blog and Open-Source Contribution

About our client:

They are 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 $11+ billion in crypto assets staked through our platform, they have established a strong presence on Ethereum, managing over 4.3% of the network through 45,000+ validators — all with zero slashing events.

They serve more than 140 leading customers, including Binance, BitPanda, Bitgo, Fireblocks, VanEck, and TrustWallet.

Our team of 93 ecosystem enthusiasts brings experience from industry leaders like Google, Circle, Ledger, Chainalysis, and other prominent technology and cryptocurrency companies.

We’ve raised $30M in total funding from prominent investors including 1kx, Crypto.com, Illuminate Financial, Consensys, Wintermute, Kraken Ventures…

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

They are 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.

Compensation & Package

How they will support you:

At here, 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
• 15% OKR Bonus (7.5% on company performance & 7.5% on team performance)
• Equity share options in the business: if they succeed, we all succeed!
• Competitive salary
• Flexible holiday
• Flexible remote working
• Internet connection paid
• Significant personal development budget (books, training)
• Overseas tech conferences budget

Interview Process

1.Recruiter / HR Call

2.Take Home Test

3.Technical Interview

4.Behavioural Interview

Core Value’s interview

5.Founder / CEO Interview

Key point:

• +6 years of experience as Software Engineer (Backend), designing, building, and deploying user-facing, infrastructure-related, and/or API-based products.
• +3 years of Golang programming — professional experience in a production environment.
• Familiar with container/orchestrator technologies (Docker/Kubernetes), and Continuous Integration.
• Professional Web3 experience
• Prior experience working in a start up / scale up

Location

Remote – France or UK

About

Democratizing value creation in digital assets | French Tech 120

Company Size 51-200

Headquarters France

Recruiting Tips

The preference on location is a tiered approach.

1. Paris (Hybrid)
2. France (Remote)
3. London (Hybrid)
4. UK Remote
5. Western Europe (they have to be very strong – there will be a higher bar when interviewing).

Ideal profile is someone who has the ability to evaluate protocols from documentation, evaluate the functionality and identify potential issues.