Software Engineer (backend Typescript)

Job description

Swan is looking for a Software Engineer to join its tech team of 70+ people for a specific project over a few months.

We build with intent, focusing on solving real problems that matter. In a regulated environment, compliance, security, and resilience are at our core. We value ownership, open collaboration, and a shared vocabulary to keep complexity manageable. Simplicity is key, clean, maintainable code wins over clever tricks. We ship fast, learn continuously, and always strive for excellence.

Your mission

• You will be technically responsible for one or more projects.
• You will have the opportunity to solve problems in one of the most demanding IT domains with a reactive architecture.
• You will design with the product team the bank by API.
• You will improve the performance of a system with a rapidly growing load.
• You will ensure the respect of the architecture rules and of the automated tests.

Our technical environment

• NodeJS, TypeScript, GraphQL, PostgreSQL, Kafka, Docker, K8S, AWS

Salary Transparency Statement

In compliance with the EU Pay Transparency Directive (effective as of 2026), Swan is committed to fair and transparent compensation.

Salary Range

This position is classified from Confirmed to Early Senior in our Software Engineer grid. The salary range reflects our internal compensation structure and is based on market benchmarks for similar roles across Europe. For this position, we offer a salary between 53.000€ and 70.000€ (gross annual), depending on your experience and expertise level determined during our technical interviews.

Annual reviews

We conduct structured salary reviews each February, considering performance, professional growth, and market positioning.

Preferred experience

• Experience: at least 3 years as a Software Developer with a strong grasp of back-end systems and proficiency in TypeScript.
• Backend Engineering: good mastery of common back-end optimization topics (performance improvements, observability, SQL database queries, and query optimizations).
• DevOps & Architecture: hands‑on experience with automated testing, CI/CD, and exposure to distributed systems or micro‑service architectures.
• Continuous Learning: you regularly follow technological improvements to keep abreast of the latest developments.
• Mindset: fluent in English, passionate about functional programming or open source, and you leave your ego at the door.

Bonus points / If you are ready to bring Senior ownership

• Product & Project Leadership: you have a proven track record of driving impactful projects from A to Z alongside Product teams, and you have the communication skills to confidently argue and advocate for your technical choices.
• Architecture & Scale: you are used to dealing with high-complexity systems, naturally designing code with long-term scalability, clean architecture, and maintainability in mind.

Benefits

• Hybrid remote policy offers the best of both worlds: a great office setting and the flexibility to work remotely with at least 3 days each month in our Parisian office.
• Relocation package available (If you want to settle in Paris).
• Holidays: 25 days + RTT.
• Meal Vouchers: We provide a Swile card to cover your meals on work days.
• Transport: Monthly mobility package for employees. In accordance with the company agreement for sustainable mobilities, you can use your mobility package to pay for alternative commuting modes.
• Health insurance (mutuelle): Alan. This is Swan's health and welfare insurance.
• Sports: Thanks to our partnership with Classpass and Gymlib, you can enjoy advantageous discounts on subscriptions.
• Well‑being support: access to Moka Care for mental health and wellness.
• Offsite: Once a year we gather to reconnect, deep‑dive into big topics, and relax.
• We work hard on diversity and inclusion, and we are improving every day.

Equal Opportunity

Swan is committed to providing a caring work environment for all employees, regardless of age, sex, disability, sexual orientation, race, religion, or belief.

When it comes to recruitment, we’re interested in your work experience, skills, and overall personality. Because diversity makes the workplace stronger and is necessary for Swan’s success, we are intensifying efforts to incorporate concrete actions to help us improve in this area.