B
Senior Fullstack .NET+Angular
Bonapolia
Contract type
Ongoing
Work mode
Remote · EU, Georgia, Serbia
Experience
Senior · 5+ years
Job description
A senior full-stack/back-end developer role building and scaling a multi-asset trade and portfolio management platform for a FinTech SaaS startup, with a strong backend focus. The developer designs, builds, and maintains backend services, APIs, and data pipelines in collaboration with frontend engineers.
At a glance
- Employment
- Full-time
- Work mode
- Remote · EU, Georgia, Serbia
- Languages
- English – Upper-Intermediate
What you'll do
- Design, build, and maintain backend services, APIs, and core application logic supporting client-facing platforms
- Improve scalability, reliability, security, and performance
- Collaborate with frontend engineers, product managers, and client-facing teams to translate business requirements into technical solutions
- Develop and maintain data pipelines and integrations with internal and external systems
- Write, maintain, and review automated unit and integration tests to ensure code quality and system stability
- Troubleshoot production issues, optimize performance, and proactively identify technical risks
- Contribute to software design discussions, code reviews, and documentation across the engineering team
- Support end-to-end feature delivery from design through deployment and post-release monitoring
What we're looking for
- Bachelor's degree in Computer Science, Engineering, or a related field
- 5+ years of experience as a Full Stack Developer or Back-End Developer in the FinTech or technology area
- Proficiency in C#, .NET, ASP.NET Core, Entity Framework, and SQL
- Experience with Angular, JavaScript, and TypeScript
- Experience designing and consuming RESTful APIs
- Experience working with relational and/or NoSQL databases
- Familiarity with cloud-based architectures, distributed systems, and modern deployment practices
- Experience working in Agile development environments
- Ability to work independently while contributing effectively to a collaborative team
- Experience supporting data-intensive, client-facing applications
- Language proficiency: Upper-Intermediate
Nice to have
- Understanding of financial products, particularly structured products
How to get hired
- 1Client fit interview (30 minutes)
- 2Client interview – tech round (1 hour)
- 3Client interview (1 hour)
- 4Client final interview (1 hour)