Software Engineer - Permanent Contract

We’re looking for our next key player to join a fast‑paced, innovative environment and help us tackle the complex challenges of a high‑growth Fintech.

Key Responsibilities

• Design and build state‑of‑the‑art, scalable & reliable APIs & systems
• Work closely with PMs, PDs, Financial Ops & Account Manager to ensure we build the best product for our internal and external customers
• Take on real ownership on a wide variety of topics, from developing new features, integrating third‑party FinTech APIs, to improving our infra & devops setup, observability, API design or architecture refactors. No silos!
• Learn a lot about fintech – we are not just a SaaS provider: we lend our own money, which means topics such as credit risk, fraud or traceability are key.
• Developing a feature to help our Financial Ops team members easily redirect excess credit to customers using our internal dashboard;
• Integrating with an Insurance company's API to automatically cover our loans;
• Improving observability by implementing an error tracking & APM service;
• and many more topics!
• 1 CTO
• 10 Software engineer

Qualifications

We are looking for our next technical cornerstone !

If you have 7+ years of experience under your belt and this sounds like you, let’s talk:

• Tech Expertise: You have a proven track record of building scalable systems (Message Queues, distributed architectures).
• Product & DX: You are obsessed with API design and Developer Experience. Having built public‑facing APIs is a massive plus.
• Mindset: “Strong opinions, weakly held.” You have deep convictions but aren't afraid to challenge your own assumptions.
• Soft Skills: Fully autonomous and a natural communicator who can bridge the gap between complex tech and business needs.
• Domain: You are genuinely excited to dive deep into the inner workings of the Fintech ecosystem.
• French / English : We are a French company operating in a global landscape. Professional fluency in both French and English is required to thrive in our international environment.

ARIA Experience