Full-Stack Engineer - People Products (Freelance)
QontoBusiness Banking company
ParisMid
Tiger Global
TCV
Eurazeo
KKR
Insight Partners
Alkeon
Software Engineering
About the role
TL;DR
Build a new internal People platform, co-defining vision, architecture, and shipping the MVP.
- •Our mission: Creating the freedom for SMEs to succeed in business and beyond, by delivering Europe's leading finance workspace.
- •Our journey: Founded by Alexandre and Steve in July 2017, Qonto has rapidly gained trust, serving over 600,000 customers with a team of 1,600+ Qontoers across Europe.
- •Our beliefs: We evaluate applicants based on skills and potential
- •no boxes to tick.
- •Our team is 55% international, 44% women, and 20% parents.
- •Discover the steps we took to create a discrimination-free hiring process. ⭐ Mission Join us as a Freelance Full-Stack Engineer to build one of Qonto's first internal applications: a modern, high-quality People platform that transforms the daily experience of 1,700+ Qontoers
- •from compensation cycles and performance reviews to everyday HR workflows.
- •You'll work hand-in-hand with Mélodie, our Head of People Systems, on a high-ownership mission: co-define the product vision, design the architecture, and ship to production.
- •This is not a staff-augmentation engagement
- •it's a mandate for someone who builds like an owner. 👩💻🧑💻 As our Freelance Full-Stack Engineer, you will
- •Ship the People platform MVP by November 2026: migrate key Workday modules into a custom internal app (React front, Python/Go back) that handles comp cycles, performance reviews, and daily HR workflows for 1,700+ Qontoers
- •on time and with zero compromise on quality.
- •Co-define the product vision and roadmap with Mélodie: run user discovery with People teams, challenge specs, and help decide what gets built first
- •not just how to build it.
- •Design for security and compliance from day one: architect systems that handle sensitive People data (GDPR, access controls, data residency) with the rigor the context demands.
- •Ship faster with AI: leverage AI tools (Cursor, Claude Code, Copilot…) in your daily workflow and build AI-enabled features where they create real leverage for the People team.
- •Enable long-term adoption: document your work, run training sessions, and set up governance so the People team can own and evolve the tools long after the mission ends. 🏅 What we're looking for
- •Strong full-stack engineering (backend primary): You've shipped production apps end-to-end, handling sensitive data.
- •React and Python/Go are familiar
- •but we're evaluating craft and delivery capacity, not your exact stack.
- •AI-native workflow: You use AI tools daily to ship faster
- •code generation, testing, architecture support.
- •Not experimenting
- •actually delivering.
- •Architecture & security instincts: You design for GDPR, access control, and data residency from the start.
- •Security is not an afterthought.
- •Product engineer mindset: You've shaped what to build, not just how.
- •You run user discovery, challenge specs, and iterate on real feedback.
- •High autonomy + owner mindset: You've delivered complex, ambiguous projects with minimal guidance.
- •You set your own priorities, communicate proactively, and unblock yourself.
- •Bonus: Experience with HRIS/People tools (Workday, ATS, Payroll systems) or internal tooling for large organisations. 🔧 What you'll get
- •A greenfield mandate with direct access to decision-makers
- •no layers of approval, no waiting on committees
- •A stack built on React and Python, likely evolving toward Go / Workday REST middleware
- •adaptability valued over stack matching
- •Unlimited access to AI tools: Cursor, Claude Code, Copilot, Notion AI, Dust
- •A culture where autonomy is the default: you own the architecture, set the direction, and ship
- •A mission with direct impact on every Qontoer's daily life from day one 🤝 Your manager & main point of contact You'll work day-to-day with Sébastien, Lead Corporate Automation, your functional lead for this mission
- •and collaborate closely with Mélodie, Head of People Systems, on the People side of the scope.
- •Sébastien brings 15+ years of experience as a Staff Engineer / Tech Lead on SAP and corporate systems, with stints at Sopra Steria, nearly a decade at CANAL+ Group (where he led the S/4HANA conversion and cloud migration), and VINCI Energies.
- •He joined Qonto in September 2025 to lead Corporate Automation.
- •Expect a hands-on, lean-minded leader who values technical excellence, clear ownership, and pairing
- •someone who'll spar with you on solutions and roll up his sleeves to ship the right outcome. 💬 Hiring Process
- •2 Interviews (1 hour each): first with Samy (your Recruiter), and with Mélodie
- •A skills test (done asynchronously and then debriefed with Sébastien) to demonstrate how you think and give you a taste of what working at Qonto could be like We aim to have the hiring process last 10 days max, from first interview to potential offer🤞 If you've read this far and thought "that sounds like me but I don't check every box"
- •We hire on potential and mindset, not checklists. ---------------------------------
- •🔒 Your security matters to us Recruitment scams are on the rise.
- •Keep in mind, we will never work with third-party platforms or agencies that request payment from candidates.
- •If you receive a suspicious message claiming to be from Qonto, please report it right away ([email protected]) ----------------------------------
Required skills
ReactPythonGoGDPRREST APIGraphQL
Nice-to-have skills
Workday
Domain expertise
hrtechfintech
Benefits & perks
Performance bonus
Tech stack
ReactPythonGoWorkdayGDPRREST APIGraphQL