
Senior .NET Developer (Fintech)
Social Discovery Group3 hours ago
Remote, PolandSenior
Responsibilities
- Develop and maintain backend services for payment processing, reconciliation, payouts, fee calculation, settlements, and B2B client dashboards.
- Build resilient microservices integrations and asynchronous workflows using idempotency, outbox/inbox, sagas, retries, and deduplication.
- Meet performance and reliability targets, including p95/p99 latency and SLA/SLO objectives, and set up monitoring and alerting.
- Deliver tasks with AI agents, validate generated code, add tests, and fix defects.
- Review code, maintain specifications, and share knowledge with the team.
Requirements
- 5+ years of commercial experience with C# and ASP.NET Core.
- Experience designing microservices.
- Hands-on experience with Azure, Docker, AKS, MS SQL Server, MongoDB, and Cosmos DB.
- Practical experience delivering work with AI tools or agents from task definition through a working result, with the ability to understand and explain all shipped code.
- Ability to produce clean, maintainable code with tests and take ownership of results.
- Payments or banking experience, spec-driven development, product or startup experience, mentoring, or technical leadership are nice to have.
Benefits
- Fully remote, full-time opportunity.
- 27 paid vacation days per year from the first day.
- Paid sick leave and referral bonuses.
- Learning support, including language lessons on Preply and courses through Coursera and other platforms.
- Wellbeing Wallet supporting medical, therapy, dental, pharmacy, fitness, sports, and emotional wellbeing expenses.
- Company-provided technical equipment and support for home-office or coworking-space setup.
- Family support for childbirth, marriage, bereavement, and child support.
- Long-term recognition bonus after three years of continuous service.
About Social Discovery Group
Social Discovery Group builds and operates consumer social-discovery and entertainment platforms that help people meet and interact online, and it also invests in related IT startups. The company monetizes its products as consumer internet services and runs multiple brands in dating, live-streaming, and chat experiences. Founded in 1991 and headquartered in Malta, it is privately held and works with distributed teams serving users in multiple countries.