Senior .NET Developer

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September 13

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AIDA projektai

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B2B • SaaS • IT Services

AIDA projektai is a digital partner specializing in IT solutions and services designed for business growth. With over 20 years of experience, they collaborate closely with clients to deliver bespoke software development and strategic IT consulting. Their expertise spans across creating user-friendly and stable software solutions, implementing omnichannel strategies, and data analytics to enhance business performance. AIDA projektai emphasizes a customized approach, ensuring that each solution meets the unique demands of enterprises of all sizes.

11 - 50 employees

🤝 B2B

☁️ SaaS

📋 Description

• Design, develop, and maintain scalable .NET Core backend services and APIs • Implement API Gateway and Proxy solutions, ensuring reliability, security, and observability • Integrate identity management solutions using Keycloak, JWT, and OAuth2.0/OpenID Connect • Implement asynchronous processing pipelines, message queues, and retry/DLQ strategies • Collaborate with cross-functional teams to deliver secure, maintainable, and efficient systems • Apply CI/CD, secure coding, and automated testing best practices • Ensure proper monitoring, logging, and auditing across all services • Maintain documentation and participate in code reviews, troubleshooting, and performance optimization

🎯 Requirements

• Strong experience with C#/.NET Core for scalable backend and API service development • Hands-on experience with containerized deployments (OpenShift/Kubernetes) • Expertise in API Gateway & Proxy development: request routing, logging, monitoring, auditing, rate limiting, retries, and resilience • Identity & Security: integrating with Keycloak (OAuth2.0/OpenID Connect), JWT validation, secure API design • Knowledge of observability and audit: structured logging, distributed tracing, metrics, audit trails • Proficient in integration with external systems • Experience with asynchronous processing (workers/event-driven, queue handling, retry/DLQ strategies) • Experience with CI/CD, secure coding, and advanced testing practices • Fluency in Lithuanian is mandatory • Nice to have: Familiarity with YARP, Grafana, Sentry, Parquet, SPARQL • Prior experience in the public sector or large-scale information systems