Senior .NET Developer
S
Sigma SoftwareFinTech
Warszawa, Emilii Plater 53, Poznań, Zwierzyniecka 3, Kraków, Wadowicka 7, Gdańsk, Remote, Wrocław, Jana Długosza 42-46, Warszawa, Country code: PLFull-TimeSenior
Salary not disclosed
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Job Details
- Languages
- Upper-Intermediate English level or higher
- Experience
- 5+ years of experience in software development
- Required Skills
- AWSDockerKafkaKubernetesRabbitmqC#Azure.NETAngularCI/CD
Requirements
- 5+ years of experience in software development with strong OOP and system design skills
- Solid 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
Responsibilities
- Design, build, and deliver features and projects across C#, .NET Core, and Angular stack
- Write clean, maintainable, and well-tested code (unit/integration/e2e)
- Take ownership of features 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
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