
Senior .NET Developer
Sigma Software11 hours ago
Remote, Romania or Bucharest, RomaniaSenior
Responsibilities
- Design, build, test, and deliver features and projects using C#, .NET Core, and Angular.
- Write clean, maintainable, and well-tested code, including unit, integration, and end-to-end tests.
- Own features from requirements breakdown through 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
- At least 5 years of software development experience.
- Strong object-oriented programming and system design skills.
- Hands-on experience with .NET using C# and Angular.
- Understanding of software testing concepts and practices.
- Expertise in cloud-native and DevOps practices, including CI/CD, automation, and monitoring.
- Experience with relational and NoSQL databases.
- Knowledge of non-functional requirements such as performance, security, and availability.
- Proven experience in FinTech, payments, banking, or regulated financial environments.
- Upper-Intermediate English level or higher.
- Experience with Docker and Kubernetes is a plus.
- Familiarity with event-driven architectures using Kafka or RabbitMQ is a plus.
- Proficiency with Datadog or similar observability tools is a plus.
- Knowledge of domain-driven design and complex domain modeling is a plus.
- Strong problem-solving, communication, collaboration, adaptability, ownership, and accountability skills.
Benefits
- Opportunity to work on high-impact embedded finance solutions serving thousands of businesses worldwide.
- Professional growth while collaborating with engineers, product managers, and designers in a fast-paced regulated environment.
Tech Stack
Categories
About Sigma Software
Sigma Software is a London-headquartered, privately held IT consultancy that designs and builds custom software for startups and enterprises. The company provides end-to-end services—engineering, web and mobile development, .NET/Java platforms, AR/VR, and UI/UX—delivered via outsourcing, managed teams, and consulting. Founded in 2002, it supports long-term product development and modernization projects across multiple industries for global clients.