NET Developer designing, developing, and deploying applications leveraging .Net technologies at Expleo. Collaborating with teams and clients to evaluate business challenges.
About the role
- Senior Backend Software Engineer developing a new European railway compensation product for AirHelp. Collaborating with teams in Poland and Amsterdam to define scalable solutions for passengers.
Responsibilities
- Launch MVPs for new European markets: From eligibility checks and claim forms to ticket parsing, browser automation, partner API integrations, and monitoring systems.
- Translate insights into code: Conduct market research on country-specific rail processes and translate your findings directly into production-ready solutions.
- Own the full lifecycle: Research, build, deploy, and maintain backend features end-to-end.
- Move fast & keep it lean: Pair program and review code with the Engineering Lead, shipping quickly and iterating often.
- Lay the foundations for scale: Your technical decisions today will shape how we expand across Europe tomorrow.
Requirements
- Experienced backend builder with 4+ years of hands-on development experience, comfortable owning features from concept to production.
- Proficient in our core tech stack, including: PHP (Laravel Framework), MySQL / PostgreSQL, Redis, RESTful APIs, and Node.js (Puppeteer / Playwright).
- Comfortable working with databases, APIs, background jobs, automation/scraping, browser automation, and B2B integrations.
- Startup mindset: Hands-on, iterative, focused on impact over polish.
- Curious about rail & travel tech, excited by the challenge of building automation and data pipelines in a complex, real-world domain.
- Fluent in English; bonus points for fluency in German, French, or Spanish.
Benefits
- Impact from day one: Play a key role in building AirHelp’s new railway compensation product and shaping its European expansion.
- Collaborative environment: Work from Poland (Kraków, Gdańsk, or Warsaw), but you’ll travel regularly to Amsterdam to work closely with the core team.
- Growth potential: Join at the ground floor and grow with us as we scale across Europe.
- Lean, ambitious culture: A small, high-impact team, no corporate bureaucracy, lots of learning.
- Perks: Private healthcare, wellness budget, travel stipend, gym/transport subsidy, free access to AirHelp services, and more.
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