Senior Backend Developer (.NET)

Company Profile

AMPLUS Technologies is a pioneering, innovative and Great Place to Work Certified, IT Company that implements high quality projects in Financial Institutions, Telecommunication Companies, Insurance Organizations, Educational Institutions, and organizations of the wider Public and Private Sector. With a starting point back in the decade of 2000’s, Technologies has managed to possess a major market share of the IT Solutions industry. Established by a team of IT specialists, the company has a stable and upward evolution throughout these years.

In AMPLUS Technologies, we constantly offer integrate and end to end solutions which increase the quality of the services provided and strengthen the loyalty of our clients through a client-driven approach.

Due to the continuous growth of our company, we are currently looking for a Senior Backend Developer (.NET) to join our team.

Responsibilities

• Design and develop high-quality REST APIs, including versioning, pagination/filtering, rate limiting, idempotency, and OpenAPI/Swagger (contract‑first).
• Architect and implement backend systems using microservices, modular monolith patterns, DDD, CQRS (when required), and event‑driven architectures.
• Build and optimize SQL and NoSQL database solutions, focusing on query performance, indexing, transactions, concurrency, and schema migrations.
• Develop and operate cloud‑native services on Azure or AWS, leveraging containerization and managed cloud services.
• Enhance system performance and reliability through caching, asynchronous processing, resiliency patterns (retries, circuit breakers), load testing, and profiling.
• Implement strong security practices, including OAuth2/OIDC, JWT, RBAC, secure secrets management, and OWASP‑aligned standards.
• Drive DevOps and observability excellence through CI/CD pipelines, Infrastructure‑as‑Code, comprehensive logging, metrics, tracing, alerting, and SLO management.

Requirements

• B.Sc. in Information Technology, Computer Science or equivalent discipline.
• Minimum 5 years of hands‑on backend experience with .NET / C#; .NET 10 knowledge is a valuable asset for this role.
• Strong experience designing robust REST APIs (versioning, filtering, rate limiting, OpenAPI-first)
• Deep understanding of microservices, DDD, CQRS (when needed), and event‑driven patterns
• Strong database expertise: SQL Server/PostgreSQL/MySQL, Redis, plus exposure to NoSQL (e.g., MongoDB).
• Experience deploying cloud services on Azure or AWS with containers and managed services.
• Solid DevOps and testing skills (CI/CD, xUnit/NUnit, integration & contract tests, testcontainers)
• A security‑focused mindset, strong communication skills, and the ability to mentor and lead technically

Benefits

• Competitive salary
• Great Place to Work Certified Company
• Mentorship program for induction
• Monthly Meal coupons
• Continuous learning and development opportunities in IT industry
• Modern, stable, and challenging work environment

All applications will be treated in strict confidence!

In AMPLUS SA we apply our principles of fair and equitable treatment, non-discrimination and equal employment opportunity!