Senior Software Engineer – Frontend at giffgaff | Certified B Corp
Summary
You’ll join a high-performing team that’s focused on delivering a best-in-class payment experience for our members, enabling them to pay for our services in a safe and secure way using whatever method best suits them. We strive for an outstanding member experience in all areas of giffgaff, so we are looking for a passionate and enthusiastic software engineer who cares about the quality of their work and how the software and services they create will positively impact members. We’re constantly looking for ways to improve and evolve how we solve problems, driven by new, modern practices and challenging the status quo. You will work in a cross‑functional team with like‑minded people to ensure this product is successful and sustainable. We work with many teams at giffgaff, including various partners and associates we rely on, to ensure we’re active and engaged with our engineering community, improving our ways of working and maintaining a high standard and quality of the products we create.
Location
Uxbridge
Job Family
Digital & Technology
Job Type
Full Time
Reference Number
70182
Key Responsibilities
* Work with a full-stack attitude within a self‑organizing, cross‑functional product engineering team, using extreme programming practices, notably pair programming and test‑driven development.
* Build, support and maintain automated, fault‑tolerant, scalable products and solutions continuously delivered into our production environment.
* Leverage your experience and skills to assist your team in establishing the best architecture for your products and services.
* Be technically curious, proactive and able to produce solutions your colleagues can use, maintain, and learn from.
* Know how to develop and follow a sense of purpose. Identify improvements in the software that you use and build. Accept feedback and adapt to your team and the company's current priorities.
Tech Stack
* Server‑side: Java 21, Maven, Spring Boot, JUnit.
* Client‑side: TypeScript, React and various React ecosystem tools and libraries.
* Infrastructure: AWS, Kubernetes, Terraform, Kafka, DynamoDB, PostgreSQL, Redis, ElasticSearch, Kibana, Grafana, and Prometheus.
Who We Are
We are a telecoms company that’s up to good. At giffgaff we do mobile differently. We call out the bad and find a better way. We’re laser‑focused on flexibility, value and mutual good. We’re also proud to be a certified B Corp, meaning we’re part of a network of over 1,000 UK companies committed to making a positive impact on people and the planet. Working at giffgaff is something you could be proud of too. Our business model is unique: we work with our members to understand their needs in all areas of the business, and we’re always looking to acquire new members by building the best team.
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.
Other Stuff We Are Looking For
* 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.
What’s in it for You
Our goal is to celebrate our people, their lives and everything in-between. We aim to create a culture that empowers everyone to bring the best versions of themselves to work each and every day. Working at giffgaff means you get a bumper reward package bursting with benefits, and loads of extras you can add if you’d like. These are designed to support both you and your loved ones, making sure that you’re covered no matter what life throws your way. We’re all about hybrid working here, so expect to have a base location where you’ll have the right facilities to enable amazing collaboration and quality time with your team, alongside all the right kit to work from home too.
Next Steps
If we feel we’d make a great fit, we’d love to learn more about you as a person and your experience to date. Once you’ve submitted an application, the next steps of the process, if successful, are likely to include a call from one of our Talent Acquisition Partners. Please note: Applications will be reviewed, and interviews conducted throughout the duration of this advert, therefore we may bring the closing date forward. We encourage all interested applicants to apply as soon as possible. If you’re offered a job with us, it will be conditional, based on the passing of background checks. All roles require a criminal record check and some roles need a financial probity check. Your recruiter can provide you with more information if needed.
#J-18808-Ljbffr