TwinRed is a leading service provider in the digital advertising sector, offering self-service and openRTB capabilities to its clients as well as operating a well-established affiliate network.
high-performance, scalable and reliable systems
as a core part of our backend stack.
Occasionally contributing to a core service written in Scala, diving into legacy PHP code.
Solving challenges involving application performance, networking, operating systems (Linux) and infrastructure.
performance, efficiency and reliability
.
Google Cloud Platform (GCP)
, including BigQuery, Kubernetes clusters and other managed services, while occasionally supporting and maintaining on-premise infrastructure when needed.




Investigating complex production issues and developing practical, permanent solutions.
5+ years of professional software development experience.
Go (Golang)
.
Excellent level of English.
computer science and systems fundamentals
, Someone who wants to understand why a system behaves the way it does, isn't afraid to investigate unfamiliar territory and cares about building solutions that perform well in production.
high traffic, performance and scalability
Private health insurance
Modern office in central Barcelona
Free coffee and snacks
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📌 Senior Software Engineer C# - FLEXIBLE WORKING (Barcelona)
🏢 TwinRed
📍 Barcelona