🧠 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