Senior Backend Engineer – Go / Golang
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6 month contract – hybrid (Dublin, London, Barcelona, Warsaw or Berlin)
I’m working with a product-led SaaS company looking for multiple senior backend engineers to join their platform teams. These roles sit across core backend services and a newer AI-focused area building agentic capabilities.
This is a hands-on role in a brownfield environment, focused on improving and extending existing Go services at scale.
Key requirements
• Strong hands-on Go experience, maintaining and improving existing services rather than only greenfield builds
• Solid PostgreSQL experience, including schema design, query optimisation, performance tuning and safe migrations
• Experience with distributed systems, microservices and event-driven architectures, ideally with Kafka or similar
• Comfortable working independently from product requirements where technical direction is not fully defined
• Confident using AI coding agents as part of day-to-day development
Additional experience (depending on team)
• Experience building agents, agentic tooling or MCP servers
• Exposure to Temporal for workflow orchestration
• Experience integrating messaging platforms such as Twilio
• Exposure to Node. xpzdshu js, TypeScript or Python
Environment
• Product-led, engineering-driven culture
• Distributed systems operating at scale
• Strong focus on pragmatic delivery and iteration
• Increasing investment in AI-assisted development and agentic systems
Contract details
• 6 month initial contract with strong likelihood of extension
• Hybrid working in Dublin, London, Barcelona, Warsaw or Berlin
• Competitive day rate
If this sounds relevant, send me a message and I’ll share more detail.