A senior Golang Software Engineer is required to design and deliver robust, scalable microservice-based cloud backend services in Go (Golang) for an innovative, product-focused European consumer technology scale-up of circa 350 people that has recently begun building a London tech hub. This role sits within a modern, Golang-first engineering environment (Go, GCP, Terraform) with minimal legacy, offering genuine influence over future-proof system design. Salary: £80,000–£100,000 benefits (30 days’ holiday). Location: Hybrid 2/3 days per week in the London Paddington area. Key skills required for the Senior Go Software Engineer Strong commercial experience with Go, building and maintaining scalable cloud backend services / Microservices Experience of working on production Golang systems Hands-on experience with cloud platforms (GCP strongly preferred; AWS or Azure also valuable) Solid grounding in software design, clean code, CI/CD, system robustness and scalability Experience with observability tooling such as Grafana, Prometheus, logging, metrics and tracing Infrastructure as Code experience (e.g. Terraform) – this is not a DevOps role Understanding of lower-level languages such as C++ or Rust Experience designing scalable APIs and working within multi-tenant architectures Background in software engineering with a relevant technical degree Ability to take end-to-end ownership with a pragmatic, problem-solving mindset Collaborative, analytical, and comfortable working cross-functionally Professional written and spoken English What you’ll do as a Senior Go Software Engineer Design, develop and test cloud-native backend services using Go Build and optimise resilient APIs and frameworks for multi-tenant environments Deploy, monitor and operate services on GCP using modern CI/CD practices Explore AI-driven opportunities within the cloud strategy, including optimisation of existing models Design data pipelines and IAM policies supporting petabyte-scale datasets Collaborate closely with embedded, product, design and content teams Champion continuous improvement, raising engineering standards and code quality Why this role? Join a mission-driven consumer technology innovator focused on creativity and productivity Be part of a large, European Golang-focused cloud engineering group working at scale Work with a clean, modern codebase and minimal technical debt Collaborate with highly skilled engineers and product specialists A culture that values focus, craftsmanship and technical excellence Generous benefits including additional leave, wellness initiatives, premium insurance and regular team events (including some European travel) A supportive environment with scope to influence both technical strategy and product evolution Opus Resourcing acts as an employment agency with respect to permanent employment. Apply now or message us for more details. Referrals always welcome! TechnologyJobs SeniorGoEngineer CloudEngineering LondonTech HiringNow