Senior Golang Engineer

JUXT; Greater London; On-site; GBP 90,000 - 150,000; Full time

Job summary

JUXT is recruiting for an ambitious backend engineer to join our Tier 1 Bank AI Product & Platform team. You’ll design and build AI-powered products in Go, delivering scalable backend services and cloud-native architectures within a high-growth engineering culture.

Lead by example in performance tuning, distributed systems, and CI/CD, while mentoring peers. This role places you at the forefront of Generative AI and enterprise-grade platforms in London.

Qualifications

• Golang (Go) expertise with production-grade apps.
• Experience designing large-scale backend services and APIs.
• Proven ability to operate systems in microservices and distributed environments.
• Strong knowledge of cloud-native tech and Kubernetes.
• Solid understanding of system design and performance optimization.
• Experience taking products from concept to production.
• Exposure to AI/ML or LLM-powered apps is desirable.

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, frameworks and reusable components.
• Partner with product, engineering and AI teams to productionize ideas.
• Contribute to cloud-native, microservices-based architectures.
• Drive engineering best practices across code quality, testing, observability and CI/CD.
• Mentor engineers and foster a collaborative engineering culture.

Skills

Golang

Backend design

Microservices

Cloud-native

Kubernetes

Performance optimisation

AI/ML exposure

CI/CD

Tools

Kubernetes

Docker

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.