? Tech Level: Senior ? Language Proficiency: Upper-Intermediate ? Employment type: Full time ? Candidate

Location:
EU, Georgia (through virtual machine), Serbia (through virtual machine) ? Working Time Zone: CET ? Planned Work Duration: 12 months ? Customer Description: The customer is a rapidly growing FinTech startup providing SaaS solutions for institutional investors.
? Project Description: The project involves building and scaling a multi-asset trade and portfolio management platform.
The role has a strong backend focus and includes designing, developing, and maintaining backend services, APIs, and data pipelines in close collaboration with frontend engineers.
?? Project Phase: Ongoing ? Hard Skills / Must Have:
• 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 ? Hard Skills / Nice to Have:
• Understanding of financial products, particularly structured products ?

Responsibilities:
• 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 ? Technology Stack: .
NET, C#, Angular, SQL ? Interview stages:
• English check and internal technical interview (1,5 hour)
• client fit interview (30 minutes)
• client interview – tech round (1 hour)
• client interview – (1 hour)
• client final interview – (1 hour) ? Additional notes: The candidate will be required to pass a background check.

📌 Senior Fullstack.Net+Angular (España)
🏢 Bonapolia
📍 España