Senior .NET Developer (FinTech Project)

Sigma Software is looking for a Senior .NET Developer to join a high-impact FinTech project focused on embedded financing solutions. You will collaborate with a talented team to build and scale cloud-native systems that empower businesses worldwide.

Key responsibilities

• Design, build, and deliver features using C#, .NET Core, and Angular.
• Write clean, maintainable, and well-tested code including unit, integration, and end-to-end tests.
• Take full ownership of features from initial requirements breakdown through to deployment.
• Deploy and monitor services within AWS cloud-native environments.
• Collaborate closely with Product, Design, and Engineering teams in an Agile environment.

Requirements

• 5+ years of software development experience with strong OOP and system design skills.
• Solid hands-on experience with .NET (C#) and Angular.
• Expertise in cloud-native and DevOps practices, including CI/CD, automation, and monitoring.
• Proven experience in FinTech, payments, banking, or other regulated financial environments.
• Strong understanding of non-functional requirements such as performance, security, and availability.
• Upper-Intermediate English level or higher.

What we offer

• Opportunity to work on a modern tech stack including Docker, Kubernetes, Kafka, and RabbitMQ.
• Professional growth within a fast-paced, innovative, and regulated industry.
• A collaborative environment that values ownership, accountability, and continuous improvement.
• Engagement with forward-thinking companies and high-impact global financial solutions.