Senior Backend Engineer (C# / .NET, Microservices) – Remote

Overview

Senior Backend Engineer (C# / .NET, Microservices) to scale and strengthen our mission-critical healthcare and procurement platforms. You will join our team to design, build, and operate secure, event-driven microservices and APIs, ensuring performance, reliability, and seamless integration across our systems. This is a full remote role where you’ll collaborate with talented engineers, product owners, and business stakeholders to deliver solutions that truly make an impact.

Responsibilities

• Design and implement ASP.NET Core Web APIs (REST / GraphQL) and background workers.
• Build event-driven services with Kafka : producers / consumers, idempotent processing, retry / DLQ strategies.
• Apply DDD & clean architecture principles; ensure code is modular, maintainable, and testable.
• Own data workflows : EF Core, SQL Server, transactions, migrations, and performance tuning.
• Implement robust integration patterns : transactional outbox / inbox, correlation IDs, distributed tracing.
• Integrate with Ultimus BPM for workflow automation and human task orchestration.
• Add observability with Serilog, metrics, and distributed tracing (Elastic / Kibana).
• Champion security and reliability practices (rate limiting, input validation, OWASP ASVS).
• Contribute to automated testing (unit / integration / contract, load / performance) and code reviews.
• Collaborate with frontend, DevOps, product, and business stakeholders.

Requirements

Nice to have

Redis, Nginx, GraphQL, SignalR, event sourcing, CQRS, performance engineering at scale.

Seniority level

Employment type

Job function

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