Senior Golang Engineer

Spencer Rose Ltd; West of England; Hybrid; GBP 92,000 - 111,000; Full time

Job summary

Spencer Rose Ltd. is seeking a Senior Golang Engineer in Bristol, UK, operating in a hybrid model. The role focuses on building secure, scalable backend services in Go and delivering enterprise-grade APIs and microservices.

You will work with Docker, Kubernetes, cloud platforms, and CI/CD practices to ensure high performance and security. The successful candidate will join a specialist engineering team within a large financial services organisation, contributing to secure, high‑performance

Qualifications

• Extensive commercial experience developing secure, scalable Go applications.
• Strong experience with REST APIs, microservices and containerised environments.
• Good understanding of Docker and Kubernetes.
• Experience with DevOps practices including CI/CD, infrastructure automation and deployment strategies.
• Experience working with cloud platforms.
• Strong understanding of software engineering best practices and Agile development.
• Experience optimising backend apps against demanding non‑functional requirements.

Responsibilities

• Designing and developing secure, scalable, enterprise-grade applications using Go.
• Building and maintaining REST APIs and microservices.
• Working with containerisation technologies including Docker and Kubernetes.
• Contributing to DevOps practices including infrastructure automation, CI/CD and deployment strategies.
• Designing backend services to meet performance and non-functional requirements.
• Performance tuning and optimisation of backend applications.
• Working with observability and monitoring tools to maintain reliability and performance.
• Collaborating with engineers and taking ownership of technical areas.

Skills

Go

REST APIs

Microservices

Docker

Kubernetes

DevOps

CI/CD

Cloud platforms

Agile

Observability

Job description

Senior Golang Engineer

Location: Bristol, UK
Working pattern: Hybrid
Rate: £550 per day

We're looking for a Senior Golang Engineer to join a specialist engineering team within a large financial services organisation, working on technology that supports the security of high-scale mobile applications.

The team is responsible for developing a suite of mobile security components and associated services, helping mobile engineering teams operate securely and confidently in an evolving threat landscape.

This is a hands-on Back End engineering role, focused on building secure, scalable and high-performance services using Go, alongside modern cloud, containerisation and DevOps technologies.

What you'll be doing

• Designing and developing secure, scalable, enterprise-grade applications using Go
• Building and maintaining REST APIs and microservices
• Working with containerisation technologies including Docker and Kubernetes
• Contributing to DevOps practices including infrastructure automation, CI/CD and deployment strategies
• Designing Back End services capable of meeting demanding performance and non-functional requirements
• Performance tuning and optimising Back End applications
• Working with observability and monitoring tools to maintain reliability and performance
• Collaborating closely with other engineers while also taking ownership of individual technical areas
• Contributing to coding standards, code management, Agile development and continuous delivery practices
• Working on technology with a strong focus on application and mobile security

What we're looking for

• Extensive commercial experience developing secure, scalable Go applications
• Strong experience with REST APIs, microservices and containerised environments
• Good understanding of Docker and Kubernetes
• Experience with DevOps practices including CI/CD, infrastructure automation and deployment strategies
• Experience working with cloud platforms
• Strong understanding of software engineering best practices and Agile development
• Experience optimising and fine-tuning Back End applications against demanding NFRs
• Strong analytical and problem-solving skills
• Experience with observability and monitoring tools such as Splunk or Dynatrace
• Comfortable working collaboratively within a team while also taking ownership and working independently

Desirable experience

• Experience developing with Java
• Experience with cryptography frameworks in Go and/or Java
• Experience working with SQL databases
• Knowledge of or interest in application security and/or mobile app security

The opportunity

You'll be working on Back End technology supporting mobile security at significant scale, within a team combining Golang engineering, cloud technologies, DevOps and application security.

It's a strong opportunity for a Senior Go Engineer who enjoys solving complex Back End problems and wants to work on secure, high-performance services within a large technology environment.