About the role
Senior Backend Engineer (Java & Golang)
Location & working arrangement
We offer hybrid working, with occasional presence at one of our Holland & Barrett offices in London or Nuneaton for team collaboration, key meetings and events (typically once per quarter).
Intro
We're looking for a Senior Backend Engineer to help shape the future of our digital experience at Holland & Barrett. You'll join our Online Customer Experience (OCX) team at an exciting moment. We're moving beyond a major transformation and into building new, scalable propositions that help more people make health and wellness a way of life. This is a role for someone who enjoys solving complex problems, influencing technical direction and supporting others to grow — while delivering reliable, high-quality software that makes a real difference.
What you'll be doing
* Lead the design and delivery of scalable backend systems across key product areas
* Build reliable, high-quality services that power our web and mobile experiences
* Collaborate with product, QA and UX to deliver meaningful outcomes for customers
* Mentor engineers and support their technical and professional development
* Take ownership of technical decisions, balancing immediate needs with long‑term impact
* Communicate complex technical concepts clearly to a range of audiences
* Champion best practices in security, performance and system reliability
* Continuously improve ways of working, exploring new tools and technologies
What you'll bring
* Strong experience with Java (17+) and Spring Boot (or similar frameworks)
* Solid experience with Golang and building production‑grade services
* Deep understanding of APIs, REST and distributed systems
* Experience working with SQL and databases such as Postgres or Oracle
* Experience with AWS and cloud‑based architectures
* Familiarity with CI/CD pipelines and modern engineering practices
* A proactive approach to monitoring, troubleshooting and improving performance
* Clear communication skills and a collaborative mindset
Nice to have
* Experience with Kubernetes, Helm or container orchestration
* Familiarity with tools such as Datadog, Prometheus or Grafana
* Exposure to Python scripting
Benefits
* 33 days holiday (including bank holidays), plus holiday purchase scheme
* Private medical insurance – single cover
* 24/7 Virtual GP access and Employee Assistance Programme
* Annual free at‑home health testing kit (after 6 months' service)
* Workplace pension with 5% employer contribution
* Annual bonus (subject to company and individual performance) up to 10%
* £50 colleague product allowance (after 6 months' service)
* 25% colleague discount plus free delivery on online orders
* Free Wellhub membership with access to gyms, studios and wellbeing apps
* Cycle to Work scheme
Inclusion & accessibility statement: We are committed to building a workplace where everyone feels they belong. We welcome applications from all backgrounds and experiences, and we are happy to make adjustments to support you through the recruitment process. If there's anything you need, just let us know. Holland & Barrett is an equal opportunity employer. We welcome diverse perspectives and are committed to creating an inclusive environment for all colleagues.
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