> Markdown version of [/jobs/ext/732713-senior-back-end-engineer](https://www.wearedevelopers.com/jobs/ext/732713-senior-back-end-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Back End Engineer - **Company:** Tecnalis Solution Providers - **Location:** Madrid, Spain - **Contract:** Permanent contract - **Skills:** .NET Framework, Application Programming Interfaces (APIs), Software Quality, Software Engineering, Data Streaming, Systems Integration, .NET Core, Backend, B2b Software, Git, Event Driven Architecture, Git Flow, Apache Kafka, Grpc, Software Version Control, Microservices - **Published:** June 29, 2026 - **Apply:** https://es.indeed.com/viewjob?jk=d361c5fa5a496428 ## About the Role Do you have experience in gRPC?, * Demonstrates advanced proficiency in utilising the latest .NET Technologies (.NET Core, WebAPIs, Orleans) within the B2B software industry, particularly in the dynamic environment of igaming solutions. * Extensive experience working with microservices architecture, showcasing the ability to design and implement scalable solutions for the igaming space. * Hands-on experience with event-driven microservices architecture, ideally using Kafka and Microsoft Orleans' actor framework, leveraging different communication ports including REST, Events and gRPC * Adept at planning and executing tasks both autonomously and collaboratively within a team, emphasising effective communication and collaboration. * Deep knowledge of source control and GIT Flow, emphasising best practices for version control, * Experience: Proven experience as a Senior Backend Engineer, preferably within the B2B software or iGaming industry. * Deep .NET Expertise: Advanced, hands-on proficiency with the latest .NET Technologies (.NET Core, WebAPIs). * Architecture: Extensive experience designing and implementing Microservices Architecture at scale. * Event-Driven Systems: Solid experience with Event-Driven Architecture, specifically utilizing Apache Kafka for event streaming. * Protocols & APIs: Proficiency in designing and integrating communication ports using REST, gRPC, and Event-driven messaging. * Version Control: Deep knowledge of Standard GIT and Git Flow best practices. * Quality Assurance: Hands-on implementation of best practices in coding, testing (unit/integration), and deployment to maintain high code quality. Nice to have: State Management & Actor Frameworks: Strong working experience with Microsoft Orleans (or similar actor frameworks). ## Description * Leverage an in-depth understanding of software engineering principles and best practices to contribute to the development and enhancement of our products. * Collaborate closely with cross-functional teams to analyse requirements and translate them into efficient and scalable software solutions, taking into consideration performance, security, and integration aspects. * Demonstrate technical leadership by actively participating in the design and development of complex system features, providing guidance to junior team members, and ensuring the adherence to coding standards. * Drive the implementation of best practices in coding, testing, and deployment to maintain a high standard of code quality and support scalable and maintainable software solutions. * Stay abreast of industry trends, emerging technologies, and advancements in software engineering, actively incorporating relevant insights into the development process to enhance our software offerings. ## Related Videos - [Exploring the Power of gRPC-Gateway for Writing RESTful Services](https://www.wearedevelopers.com/videos/2072-exploring-the-power-of-grpc-gateway-for-writing-restful-services) - [Inside Bitpanda's Tech Stack: Scaling a European Fintech Leader - Markus Dorner](https://www.wearedevelopers.com/videos/1979-inside-bitpanda-s-tech-stack-scaling-a-european-fintech-leader-markus-dorner) - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [Developing the Backend with Stefan Lingler, CTO at Shpock](https://www.wearedevelopers.com/videos/100360-developing-the-backend-with-stefan-lingler-cto-at-shpock) - [Meet Your New BFF: Backend to Frontend without the Duct Tape](https://www.wearedevelopers.com/videos/682-meet-your-new-bff-backend-to-frontend-without-the-duct-tape) - [The user in the eye of the Cargo1492 storm](https://www.wearedevelopers.com/videos/96-the-user-in-the-eye-of-the-cargo1492-storm) ## Related Articles - [Spanish Business Culture and Etiquette](https://www.wearedevelopers.com/magazine/353-spanish-business-culture-and-etiquette) - [Where To Find Software Engineering Jobs](https://www.wearedevelopers.com/magazine/396-where-to-find-software-engineering-jobs) - [Find a Developer Job: 12 Best Job Sites For Developers](https://www.wearedevelopers.com/magazine/165-find-a-developer-job-12-best-job-sites-for-developers) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [The 12 Best Jobs for Software Engineers](https://www.wearedevelopers.com/magazine/401-the-12-best-jobs-for-software-engineers) - [Where to Find Entry-Level Software Engineering Jobs](https://www.wearedevelopers.com/magazine/397-where-to-find-entry-level-software-engineering-jobs)