Mid Level Backend Software Engineer (12 month FTC)

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hackajob invites you to join Virgin Media (giffgaff) as a Software Engineer. Location: Uxbridge with flexibility to work from home. Employment type: Full‑time, 12‑month fixed‑term contract. Seniority level: Mid‑Senior level. About giffgaff giffgaff is a connectivity provider that challenges the status quo, focusing on flexibility, value and mutual good. It is a certified B Corp, part of a network of over 2,000 UK companies committed to making a positive impact on people and the planet. Working at giffgaff gives you the fast pace and energy of a modern startup with the benefits of Virgin Media O2. Key Responsibilities
Work with a full‑stack attitude within a self‑organising, cross‑functional product engineering team, applying extreme programming practices such as pair programming and test‑driven development. Build, support and maintain automated, fault‑tolerant, scalable products and solutions that are continuously delivered to production. Assist the team in establishing the best architecture for products and services. Be technically curious, proactive and deliver solutions that colleagues can use, maintain and learn from. Identify improvements in the software you work with, accept feedback and adapt to team and company priorities.
Tech Stack
Server‑side: Java 21, Maven, Spring Boot, JUnit. Client‑Side: TypeScript, React and related ecosystem tools and libraries. Infrastructure: AWS, Kubernetes, Terraform, Kafka, DynamoDB, PostgreSQL, Redis, ElasticSearch, Kibana, Grafana, and Prometheus.
Skills, Experience and Attitudes - Must Haves
Test‑Driven Development, Pair Programming, Clean Code & Refactoring, System Design Observability, "you build it you run it" attitude Product mindset Good communication, giving and receiving feedback
Desirable Skills
Event‑Driven Architecture, SOLID principles, microservices, micro‑frontends Experience in payments/financial systems A commitment to make ethical and responsible decisions that support giffgaff’s impact on people, planet and profit
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Location:
Uxbridge, England, United Kingdom
Job Type:
FullTime

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