Senior FullStack Developer

Summary

Join Kiln's Software Development Team as a Senior Fullstack Engineer in Paris or remotely. You'll contribute to architectural decisions, build user-facing products (dashboard, dApp, widget), and implement new features (70% frontend, 30% backend). Collaborate with various teams, participate in code reviews and CI/CD, and ensure software security. This role requires 6+ years of software engineering experience, proficiency in TypeScript, React, and PHP/Laravel, and familiarity with blockchain technology. Kiln offers a fast-paced environment, equity share options, competitive salary, unlimited holiday, flexible remote work, and a generous personal development budget.

Requirements

• +6 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
• PHP/Laravel programming skills
• 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 [ https://www.kiln.fi/blog ] and Open-Source contribution [ https://www.kiln.fi/open-source ]
• 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, dApp, 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…)
• Design, develop and implement new features: 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 blockchain ecosystem, Ethereum Virtual Machine and smart contracts
• 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
• Unlimited holiday
• Flexible remote working
• Choose your IT equipment
• Internet connection paid up to €50/month
• Significant personal development and tech conf budget