Senior Golang Engineer

JUXT; Greater London; On-site; GBP 90,000 - 140,000; Full time

Job summary

JUXT is hiring for an AI Product & Platform engineer to join the Tier 1 Bank’s CTO-led AI initiative. You will help design scalable backend services and AI-powered platforms using Golang, operating within microservices and cloud-native environments.

You will collaborate with product, engineering, and AI teams to turn ideas into production-ready solutions, while mentoring peers and advancing engineering practices across code quality, testing, observability, and CI/CD.

Qualifications

• Proven experience building scalable backend services in production.
• Golang expertise with production-grade systems.
• Experience with microservices and distributed architectures.
• Familiarity with cloud-native tools and Kubernetes.

Responsibilities

• Design and build AI-powered products and platforms using Golang.
• Develop high-performance backend services and APIs at enterprise scale.
• Build and enhance internal developer tools and reusable components.
• Partner with product, engineering and AI teams to productionize ideas.
• Contribute to cloud-native, microservices architectures.
• Drive code quality, testing, observability and CI/CD.
• Solve distributed systems challenges with focus on scalability and resilience.
• Mentor engineers and foster a high-performing culture.

Skills

Golang (Go)

Back-end design

Microservices

Cloud-native

Kubernetes

System design

Performance optimization

AI/ML exposure

Engineering culture

Tools

Docker

Kubernetes

CI/CD tooling

Job description

Join our JUXT Tier 1 Bank teams AI Product&Platform team, a high-growth engineering group operating with a start-up mentality inside one of the world’s largest financial institutions. Working within the Chief Technology Office, you’ll help build the next generation of AI-powered products and platforms that will shape how technology is delivered across the bank. This is an opportunity to work at the forefront of Generative AI, cloud-native engineering and distributed systems, building scalable solutions from the ground up while collaborating with some of the industry’s most talented engineers and AI specialists.

Key Responsibilities

• Design and build AI-powered products and platforms using Golang.
• Develop high-performance backend services and APIs that operate at enterprise scale.
• Build and enhance internal developer tools, frameworks and reusable components.
• Partner with product, engineering and AI teams to turn innovative ideas into production-ready solutions.
• Contribute to the design and implementation of cloud-native, microservices-based architectures.
• Drive engineering best practices across code quality, testing, observability and CI/CD.
• Solve complex distributed systems challenges, focusing on scalability, resilience and performance.
• Mentor engineers and contribute to a collaborative, high-performing engineering culture.

Skills & Experience

• Golang (Go) expertise is essential, with a proven track record of building scalable, business-critical applications in production environments.
• Strong experience designing and developing large-scale backend services and APIs.
• Proven ability to build and operate systems within microservices and distributed environments.
• Experience with cloud-native technologies, containerisation and Kubernetes.
• Strong understanding of software engineering fundamentals, system design and performance optimisation.
• Experience building products and platforms from concept through to production.
• Exposure to AI, Machine Learning or LLM-powered applications is highly desirable.
• A passion for modern engineering practices, continuous learning and solving complex technical problems.