Bonapolia

Senior Fullstack .NET+Angular

Location
Czechia, Estonia, Georgia, Latvia, Lithuania, Poland, Romania, Serbia, Spain
Region
Europe, Middle East & Africa, Spain, Poland, Czechia, Romania, Estonia, Serbia, Latvia, Lithuania
Type
Full-time
Salary
Not listed
Posted
30 Oct 2026
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Listed on Himalayas. You apply on the original posting; we never see your application.

🧠 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.

Originally posted on Himalayas