Senior .NET Back-end developer

Talent Factor is a Talent Agency born from a dream.

The dream of how, using the resource of our Talent, we can be useful in finding, developing, and realizing other talents. People and businesses need a talent revolution.

Dreams are a good thing, but let’s not just talk about them. Let’s do something about them!

We’re currently partnering with a rapidly expanding Fin-Tech company, known for its award-winning technology and seamless digital experience.

Your Role:

We are looking for a highly skilled Senior .NET Back-End Developer with a strong background in building scalable and secure enterprise applications.

In this role, you will create high-performance Web APIs and hosted services from scratch, applying modern design patterns, secure coding practices, and the latest .NET technologies. You’ll collaborate closely with project managers, technical leads, DevOps engineers, and fellow developers to deliver reliable back-end solutions with real impact.

This is not just about writing code—it’s about building solutions that last.

Responsibilities:

✅ Design and develop new, scalable, and reliable Web APIs and hosted services from scratch.

✅ Write clean, efficient, and well-documented code, following secure coding best practices (OWASP).

✅ Optimize and review existing services for performance, scalability, and reliability.

✅ Implement modern design patterns (Software & EAA) across back-end solutions.

✅ Collaborate with project managers, technical leads, DevOps engineers, and front-end developers.

✅ Conduct testing, debugging, and root-cause analysis to ensure stability.

✅ Investigate and resolve issues within production environments.

✅ Take ownership—be a developer, not just a coder.

Our client offers:

💰 Competitive salary and performance-based incentives

🏝 Flexibility to work from anywhere for extended periods

📅 Generous paid time off policy – 30 days annual leave

🧘 Work-life balance and wellness programs

🩺 Comprehensive health & pension benefits

🎉 A collaborative, high-impact team culture with professional growth opportunities

Requirements:

✅ 8+ years of professional back-end development experience.

✅ Strong expertise in .NET technologies: C#, .NET 8+, ASP.NET, Entity Framework Core.

✅ Proficiency in RESTful APIs using HTTP/HTTPS/mTLS protocols.

✅ Solid experience with CI/CD pipelines, Docker, and Git.

✅ Proven ability to apply secure coding practices (OWASP).

✅ In-depth understanding of the software development lifecycle.

✅ Excellent analytical, documentation, and multitasking skills.

✅ Proficient in technical English.

Nice to Have:

⭐ Advanced skills with PostgreSQL, RabbitMQ, JWT (JOSE), OAuth2.0/OpenID Connect

⭐ Experience with Linux/WSL and Gitflow

⭐ Proven track record of developing enterprise solutions from scratch

⭐ Knowledge of cryptography, crypto libraries, and security vaults

⭐ Experience with monitoring & logging tools (Prometheus, Graylog, Grafana)

📩 Only short-listed candidates will be contacted.