Join Red Badger
We recognise our people are the best thing about Red Badger and that a truly diverse workplace where people are free to be themselves is essential for great culture and great outcomes. If you like solving difficult problems, working with great people and making a real impact, join us and become a Badger.
At Red Badger, our purpose is to make a positive impact on the world around us. Our mission is to transform blue-chips into next generation digital product organisations.
We believe in creating opportunities for all. We benefit from diversity. That said, we’re far from perfect – we want to be more diverse and representative. Join us and help make that happen.
Senior Software Engineer in Test (SET)
London
We are looking for a Senior Software Engineer in Test (SET) to join Red Badger’shigh-performing engineering teams. In this role, you’ll define and drive quality strategy forplatform and infrastructure-level products — from container orchestration and microservices to observability tooling and CI/CD pipelines.This is a hands‑on engineering position within cross‑functional teams where quality iseveryone’s responsibility but you’ll lead the way in making it systematic, scalable and secure.You’ll help shape testability at the architecture level, automate deep validation acrossenvironments, and play a key role in managing delivery risk across distributed systems.
Key Responsibilities
Own Platform Reliability and Integration Confidence
- Define and implement test strategies for complex, cloud-native platform components
- Build test frameworks and tooling that support integration testing, contract testing andsystem validation across multiple layers (infra, data, APIs, services)
- Drive shift-left testing practices and ensure testability is baked into architecture,CI/CD pipelines and infrastructure-as-code
- Lead fault injection, resilience testing, performance benchmarking andproduction-readiness validation
- Collaborate with engineers, SREs and product leads to ensure the platform behavesreliably under real-world conditions
Be a Technical Leader in Quality Engineering
- Establish standards and practices for testing distributed, event-driven systems
- Enable observability-driven debugging by working closely with platform and service teams
- Automate validation of operational characteristics like availability, latency, throughput and recoverability
- Contribute to security posture through continuous validation of access controls, data protection and policy enforcement
What You Bring
- Proven experience in a quality or software engineering role focused on platforms, infrastructure or backend systems
- Deep understanding of system testing, failure modes and fault‑tolerant design indistributed systems
- Hands‑on experience with infrastructure-as-code (Terraform), Kubernetes,cloud‑native platforms (AWS), service meshes, CI/CD (e.g. GitHub Actions) and
- observability tooling (e.g. OpenTelemetry, Grafana)
- Strong programming skills in a modern backend language (e.g. Kotlin, Java, Go, or Python) with a test automation mindsetm
- Familiarity with resilience patterns, chaos testing, synthetic traffic and platform health metrics
- A product mindset — you care about the user experience of developers, not just the green test bar
Why Red Badger
At Red Badger, we work on complex, business-critical digital platforms where quality isn’tnegotiable. You’ll be surrounded by senior practitioners, embedded in empowered teams,and supported in driving meaningful, secure and resilient engineering outcomes.We value thoughtful problem solving, clarity over complexity and doing things the right waywith strong defaults, open collaboration and clear purpose.
Hybrid working
We work in person 2/3 days a week from our London Office or client office (London-based)
Red Badger Values
People peopleWe respect and care for each other, giving us the space to be our true selves.
Find a wayWe’re comfortable with uncertainty and want to take ownership of outcomes, which we proactively deliver.
Always learningWe’re curious. It’s how we learn and grow as individuals, continuously testing and improving what we do, and how we do it.
Open & FairWe build trust by telling it like it is, being open, and seeking fair and equitable outcomes.
CollaborativeWe are united by our desire to get to the best ideas. We are generous with our knowledge, actively listen to each other, and are open-minded.
Diversity & Inclusion
Red Badger is committed to creating a diverse and inclusive environment, and is proud to be an equal opportunity employer. We hire, employ, train, promote and compensate regardless of gender, gender identity, race, disability, sexual orientation, age, creed and colour. We are fully focused on equality, and we believe that the fascinating differences that make us all unique enable us to continue doing amazing work for our clients.
Employee Benefits
We make sure our team is well looked after with generous salaries and a great benefits package which includes:
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