Java​/Golang Developer

Job Title

Java Developer (Golang)

6 months (Inside IR35) - Extendable

Hybrid (2-3 days per week on-site)

DOE

Leading Financial Services Organisation

A leading financial services client is seeking an experienced Java Developer with strong Golang exposure to join a critical engineering programme. This role will focus on building and enhancing high-performance backend services within a modern, cloud-based architecture. You'll be working alongside senior engineers on scalable, resilient systems that support business-critical platforms, with a strong emphasis on clean code, performance, and reliability.

• Design, develop, and maintain backend services using Java and Golang
• Contribute to the build and evolution of microservices-based systems
• Develop and maintain APIs and distributed services
• Collaborate with architects, engineers, and product teams on solution design
• Ensure code quality through testing, reviews, and best practices
• Support performance, scalability, and security requirements
• Work within Agile delivery teams

• 5+ years of commercial software development experience
• Strong commercial experience with Java
• Hands‑on experience developing services in Golang
• Experience building backend systems and APIs
• Solid understanding of microservices and distributed architectures
• Experience with Spring / Spring Boot
• Strong problem‑solving skills in complex technical environments

• Background in financial services or regulated environments
• Cloud platforms: AWS, Azure, or GCP
• Containerisation and orchestration (Docker, Kubernetes)
• Event‑driven or messaging systems (Kafka, Rabbit
  
  MQ, etc.)
• Exposure to Dev Ops or CI/CD pipelines

• Initial 6-month contract
  , with strong extension potential
• Inside IR35
• Hybrid working
  : 2-3 days per week on-site
• Competitive day rate
  , dependent on experience