Fullstack Engineer

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Kiln

📍Remote - France

Summary

Join Kiln's Software Development Team as a Fullstack Engineer and contribute to the future of our SaaS/API-first products. You will collaborate with a team of 14 engineers, reporting to the Lead Software Engineer, and working across various Kiln products. Responsibilities include contributing to architectural decisions, designing and developing new features (70% frontend, 30% backend), participating in code reviews and CI/CD processes, interacting with customers, ensuring software security, and suggesting improvements. The role requires 3+ years of software engineering experience, proven TypeScript and React skills, familiarity with software development best practices, and experience in a team-based environment. Experience in web3, blockchain, and cryptocurrency is also essential, along with fluency in French and English. Kiln offers a fast-paced work environment, equity share options, competitive salary, flexible holidays, flexible remote working, internet allowance, and a significant personal development budget.

Requirements

  • +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
  • Experience in web3, blockchain, and cryptocurrency, or proven personal experience (eg. Github project, hackathon...) — with solid understanding of protocols, staking, and DeFi
  • Fluent in both French and English

Responsibilities

  • Contribute to architectural decisions and technical strategy
  • Be an active contributor within the Fullstack squad owning Kiln user-facing products ( Dashboard , Widget )
  • 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

Preferred Qualifications

  • Familiar with Ethereum Virtual Machine and smart contracts
  • Experience building dApps using libraries such as Wagmi and Viem
  • Knowledge on how to craft raw blockchain transactions
  • PHP/Laravel programming skills
  • Experience in a fast-growing, early-stage startup
  • Living close to Paris or London

Benefits

  • A fast-paced, no bureaucratic work environment
  • Equity share options in the business: if Kiln succeeds, we all succeed!
  • Competitive salary
  • Flexible holiday
  • Flexible remote working
  • Internet connection paid up to €50/month
  • Significant personal development and tech conf budget

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