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September 16, 2026
Senior .NET Developer (FinTech)
Senior • Remote
Warsaw, Poland
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Quick Facts
- Role: Senior .NET Developer (FinTech)
- Focus: Embedded finance platform enhancements in a regulated environment
- Stack: C#, .NET Core, Angular, AWS, CI/CD, Docker/Kubernetes, Kafka/RabbitMQ, Datadog
Description
Join the team enhancing an embedded finance platform that integrates with partner services to deliver fast, flexible funding to SMEs. You’ll build and improve customer and partner experiences with reliable production-grade services using a modern cloud-native stack. The role operates in a fast-paced, regulated FinTech environment with a strong focus on performance, security, and reliability.
Responsibilities
- Design, build, and deliver features and projects across C#, .NET Core, and Angular
- Write clean, maintainable, and well-tested code (unit/integration/e2e)
- Own features end-to-end from requirements breakdown to deployment
- Deploy and monitor services in AWS cloud-native environments
- Handle production issues and incidents with accountability
- Collaborate with Product, Design, and Engineering teams in Agile practices
- Contribute to continuous improvement of systems and processes
Requirements
- 5+ years of software development experience with strong OOP and system design skills
- Hands-on experience with .NET (C#) and Angular
- Understanding of software testing concepts and practices
- Expertise in cloud-native and DevOps practices (CI/CD, automation, monitoring)
- Experience with relational and NoSQL databases
- Knowledge of non-functional requirements (performance, security, availability)
- Proven experience in FinTech, payments, banking, or regulated financial environments
- Upper-Intermediate English level or higher
Benefits
- Work on high-impact FinTech solutions and scalable, cloud-native systems
- Professional growth while contributing to a mission-critical platform in a regulated environment
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