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# Senior.Net Developer - Fully Remote

- **Company:** UST España
- **Location:** Barcelona, Spain (Remote available)
- **Contract:** Permanent contract
- **Skills:** .NET Framework, Automation of Tests, Unit Testing, C Sharp (Programming Language), Continuous Integration, Digital Technology, Distributed Systems, NoSQL, Nunit, Performance Tuning, Systems Development Life Cycle, RabbitMQ, Release Management, Mockito, Secure Coding, SignalR, SQL Databases, Multithreading, .NET Core, Git, Containerization, Integration Tests, Asynchronous Programming, Teamcity, Restful APIs, Cucumber (Software), Software Version Control, TIBCO (Software), Docker, Web Api
- **Published:** September 17, 2026
- **Apply:** https://www.buscojobs.com.es/senior-net-developer-fully-remote-en-barcelona-ID-371496618

## About the Role

NET software components across the full software delivery lifecycle.
Apply strong engineering judgement to architecture, design, implementation, testing and operational considerations.
Contribute to strong engineering practices including automated testing, observability, secure coding, CI/CD and effective release management.
Advanced English (C1 level mandatory).
Expert-level C# and .
NET/.
NET Core experience.
NET Core Web APIs and RESTful services in production environments.
Advanced understanding of multithreading, asynchronous programming, performance tuning and distributed systems.
Proven experience with SQL and NoSQL databases, including data modelling, performance considerations and operational support.
Hands-on experience with Docker and containerization technologies.
Strong discipline around automated testing: Unit Testing, Integration Testing, BDD, NUnit, Mockito, Cucumber RabbitMQ, TIBCO, SignalR Strong experience with CI/CD practices and source control tools:Git, TeamCity Numerous benefits (Health Care Plan, teleworking compensation, Life and Accident Insurances).
`Retribución Flexible ? Program: (Meals, Kinder Garden, Transport, online English lessons, Health Care Plan...) Free access to several training platforms Real Work Life Balance measures (flexibility, WFH or remote work policy, compacted hours during summertime...)

## Description

More in details, UST is a multinational company based in North America, certified as a Top Employer and Great Place to Work company with over ****** employees all over the world and presence in more than 35 countries.We are leaders on digital technology services, and we provide large-scale technologic solutions to big companies.We are looking for a Mid/Senior .Net Developer across the project of the client from the banking sector.Remote 100%, Spain Design, build and maintain high-quality .NET software components across the full software delivery lifecycle.Apply strong engineering judgement to architecture, design, implementation, testing and operational considerations.Contribute to strong engineering practices including automated testing, observability, secure coding, CI/CD and effective release management.Advanced English (C1 level mandatory).Expert-level C# and .NET/.NET Core experience.NET Core Web APIs and RESTful services in production environments.Advanced understanding of multithreading, asynchronous programming, performance tuning and distributed systems.Proven experience with SQL and NoSQL databases, including data modelling, performance considerations and operational support.Hands-on experience with Docker and containerization technologies.Strong discipline around automated testing: Unit Testing, Integration Testing, BDD, NUnit, Mockito, Cucumber RabbitMQ, TIBCO, SignalR Strong experience with CI/CD practices and source control tools:Git, TeamCity Numerous benefits (Health Care Plan, teleworking compensation, Life and Accident Insurances).`Retribución Flexible ? Program: (Meals, Kinder Garden, Transport, online English lessons, Health Care Plan...) Free access to several training platforms Real Work Life Balance measures (flexibility, WFH or remote work policy, compacted hours during summertime...)


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