N-iX is looking for a talented Senior .Net Engineer to join our team!
Our client is one of Europe's fastest-growing mobile companies with 6 million active customers, 1,000 employees worldwide, and operations in five countries. The client is using the mobile virtual network operator business model. We are looking for a Senior .NET Engineer who combines strong technical expertise with a product mindset, proactive problem-solving, and end-to-end ownership of delivery.
Responsibilities:
- Take end-to-end ownership of features and services, from requirements clarification and technical design through implementation, testing, deployment, and production support.
- Deliver reliable, scalable, and maintainable back-end solutions using modern .NET technologies and engineering best practices
- Understand business requirements, product objectives, and customer impact to make pragmatic technical decisions and deliver business value
- Collaborate closely with Product Owners, Business Analysts, QA Engineers, DevOps, Support Engineers, Architects, Infrastructure and DB Engineers, and other teams to ensure successful delivery
- Proactively identify and address technical risks, dependencies, blockers, and potential delivery challenges
- Contribute to system design, architectural decisions, technical improvements, and ongoing platform modernisation
- Take ownership of production issues, troubleshooting, root-cause analysis, and improvements to system reliability and performance
- Ensure high engineering quality through code reviews, automated testing, observability, and continuous improvement
- Confidently communicate in a multinational environment, communication is in English.
- Design, build, and maintain performant, efficient, reusable, and reliable code
- Translate business logic into code and automate business processes
- Support and mentor other engineers, share knowledge, and promote engineering best practices
Requirements:
- 6+ years of commercial .NET development in Microservice environment
- Strong knowledge of modern .NET (8/9 or later)
- Web API, ASP.NET Core, Microservices
- Strong experience with SQL, MS SQL Server, Entity Framework, and database performance optimisation
- Good understanding of Docker, Kubernetes, and containerised application environments
- Solid understanding of software architecture, microservices, design patterns, SOLID principles, and clean code practices
- Hands-on experience with Microsoft Azure Cloud
- Experience with Messaging or Evening (ServiceBus, RabbitMQ, EventHub, Kafka,. Etc.)
- Experience designing and integrating REST APIs, SOAP and third-party services.
- Hands-on experience with serverless architectures and cloud functions (Azure Functions, AWS Lambda)
- Experience with automated testing, CI/CD practices, and production troubleshooting
- Strong problem-solving skills, proactive communication, and the ability to identify risks and propose solutions
- Being result-oriented, ability to get things done
- Excellent verbal and written English communication skills, with the ability to confidently lead technical discussions, articulate complex topics, challenge decisions constructively, and communicate effectively with both technical and non-technical stakeholders
Would be a plus:
- Production experience with durable-execution, stateful distributed-systems platform (Microsoft Orleans, Temporal, Azure Durable Task Framework, Akka, Dapr Actors, Cadence, Netflix Conductor, Erlang/OTP)
- Day-to-day responsibilities involves dealing with long-running workflows, stateful coordination, distributed execution, failure recovery, retries, idempotency in production
- Serious experience in Event Driven Architecture
- Experience with microservice practices, i.e. Service mesh, Blue/Green deployments, ArgoCD, etc.
- Experience with Stored procedures in MS SQL
- Experience with .Net Native AOT
- Experience with Monitoring (Azure Application Insights, Open Telemetry, etc.)
- Azure LogicApps, API Apps, AKS, Redis
- Experience integrating with Microsoft Dynamics CRM or similar enterprise systems
- Experience working with high-availability, business-critical, or transaction-processing systems
We offer*:
- Flexible working format - remote, office-based or flexible
- A competitive salary and good compensation package
- Personalized career growth
- Professional development tools (mentorship program, tech talks and trainings, centers of excellence, and more)
- Active tech communities with regular knowledge sharing
- Education reimbursement
- Memorable anniversary presents
- Corporate events and team buildings
- Other location-specific benefits
*not applicable for freelancers
Skills Required
- 6+ years of commercial .NET development experience in a microservices environment
- Strong knowledge of modern .NET 8, .NET 9, or later
- Experience with Web API, ASP.NET Core, and microservices
- Strong experience with SQL, Microsoft SQL Server, Entity Framework, and database performance optimization
- Good understanding of Docker, Kubernetes, and containerized application environments
- Understanding of software architecture, microservices, design patterns, SOLID principles, and clean code practices
- Hands-on experience with Microsoft Azure Cloud
- Experience with messaging or eventing technologies such as Azure Service Bus, RabbitMQ, Event Hubs, or Kafka
- Experience designing and integrating REST APIs, SOAP services, and third-party services
- Hands-on experience with serverless architectures and cloud functions such as Azure Functions or AWS Lambda
- Experience with automated testing, CI/CD practices, and production troubleshooting
- Strong problem-solving skills and proactive communication
- Ability to identify risks and propose solutions
- Result-oriented approach and ability to deliver outcomes
- Excellent verbal and written English communication skills
- Ability to lead technical discussions and communicate with technical and non-technical stakeholders
- Production experience with durable-execution or stateful distributed-systems platforms
- Experience with long-running workflows, stateful coordination, distributed execution, failure recovery, retries, and idempotency
- Strong experience with event-driven architecture
- Experience with service mesh, blue/green deployments, or ArgoCD
- Experience with stored procedures in Microsoft SQL Server
- Experience with .NET Native AOT
- Experience with monitoring tools such as Azure Application Insights or OpenTelemetry
- Experience with Azure Logic Apps, API Apps, AKS, or Redis
- Experience integrating with Microsoft Dynamics CRM or similar enterprise systems
- Experience with high-availability, business-critical, or transaction-processing systems
What We Do
N-iX is a global software solutions and engineering services company that helps world’s leading organizations turn challenges into lasting business value, operational efficiency, and revenue growth using advanced technology. Whether you need to build a custom solution, modernize your digital product or acquire extra tech expertise - we have the experience and capabilities to ensure your success. With over 2,000 professionals in 25 countries across Europe and the Americas, N-iX offers expert solutions in cloud, data analytics, embedded software, IoT, AI, machine learning, and other tech domains. Being in business for over two decades, we have worked with dozens of industry-leading enterprises and Fortune 500 companies creating value across a wide variety of sectors, including finance, manufacturing, supply chain, retail, e-commerce, healthcare, and more. Our unique combination of business domain expertise and technical know-how enables us to effectively collaborate with ISVs, tech companies, and enterprises of all sizes. Thanks to the strong tech ecosystem and partnerships with AWS, GCP, Microsoft, SAP, OpenText, Snowflake, and others, we bring extra speed, scale and efficiency to more than 160 organizations across the globe. N-iX is recognized by numerous industry awards, such as CRN Solution Provider 500, Global Outsourcing 100 by IAOP, ISG Provider Lens™, Modern Application Development services providers by Forrester, etc
