Work with the best minds in crypto

Explore opportunities with leading projects across crypto & web

Fullstack Engineer (TypeScript / React)



Software Engineering
Paris, France · France · Remote
Posted on Tuesday, April 16, 2024

Full-time – Permanent – Paris or Remote – Mid 55/67k€ or Senior 68/83k€ + equity

As a Fullstack Engineer at Kiln, you will join our Software Development Team, composed of 11 engineers split into 3 squads, to build the future of our SaaS/API-first products []. You will report to our Lead Software Engineer, and collaborate with the Product, Infrastructure and Smart-Contract teams to work on the various products that Kiln offers.


  • Contribute to architectural decisions and technical strategy.

  • Be an active contributor within the Fullstack squad owning Kiln user-facing products (Dashboard, dApp, Explorer).

  • Design, develop and implement new features :

    • 70% frontend (e.g. using our design system to build new features or adding new components to it…).

    • 30% backend (e.g. implement the transaction crafting part for a new protocol…).

  • Participate in code review, test and CI/CD processes, bug fixing, and code maintenance.

  • Interact with customers for debugging purposes and product discovery.

  • Make sure we respect any software security norms (Kiln is a SOC 2 Type 1 and Type 2 company).

  • Actively suggest continuous improvement of Kiln's platform and engineering practices.

  • Communicate with other Kiln teams to help them understand the Software roadmap and technical challenges.

Stack: TypeScript, React, PHP, Laravel, REST API

Other engineering stacks: Software (Golang); Smart contract (Solidity); Infrastructure (Kubernetes)


  • +3 years of experience as a Software Engineer (Backend, Frontend, or Fullstack), designing, building, and deploying user-facing and API-based products.

  • Proven TypeScript and React programming skills — professional experience in a production environment.

  • Familiar with software development best practices (Test, CI/CD, DevOps, Security…).

  • Previous experience collaborating in a team-based development environment is required (sprints, code reviews, standups, problem-solving sessions).

  • Curiosity and ability to dig into a topic and follow through.

  • Ability to balance between impact and thoroughness in a fast-paced environment.

  • Genuine interest in blockchain and cryptocurrency - check our Tech Blog [] and Open-Source contribution [].

  • Fluent in both French and English.


  • PHP/Laravel programming skills.

  • Familiar with blockchain ecosystem, Ethereum Virtual Machine and smart contracts.

  • Experience in a fast-growing, early-stage startup.

About Kiln:

Kiln is the leading enterprise-grade staking platform, enabling institutional customers to stake assets, and to whitelabel staking functionality into their offering. Our platform is API-first and enables fully automated validators, rewards, and data and commission management.

With over $7+ billion in crypto assets being programmatically staked, Kiln has a particularly strong track record on Ethereum as we run over 4.3% of the network; this includes 40,000+ validators with 0 slashing events.

The team is made up of over 60 ecosystem enthusiasts formerly at Google, Circle, Ledger, Chainalysis, and other leading technology and cryptocurrency companies.

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

How Kiln will support you:

  • A fast-paced, no bureaucratic work environment

  • Equity Share Options in the Business: if Kiln succeeds, we all succeed!

  • Competitive Salary

  • Unlimited holiday

  • Flexible remote working

  • Choose your IT equipment

  • Internet connection paid up to €50/month

  • Significant personal development and tech conf budget

Your interview process:

  1. Recruiter Interview (45 min)

  2. Take-home test (< 4 hours)

  3. Technical Interview (60 min)

  4. Core Values Interview (45 min)

  5. Founders Interview (30 min)

  6. Offer!

Please note that we are not sponsoring visas for persons without work authorization in the UK or the EU. This role is specifically for employees (no B2B or contractors) based in France, the UK, Italy, Spain, Portugal & Netherlands. Thank you!