Java Developer jobs in United Kingdom

We're looking for a Senior Software Engineer with strong development skills and hands‑on SRE experience to join our London-based team. You'll help shape the future of reliability and observability at Forter, ensuring we can build and run scalable, reliable and observable systems while collaborating with engineers across the globe. We maintain five‑nines SLA for our platform and support 150+ engineers across 20+ teams. Our team values collaboration through pairing, continuous learning, and sustainable long‑term solutions.

• Direct impact: Your work will affect reliability and developer experience across the entire company
• Modern tech stack: Work with AWS, EKS, and cutting‑edge observability tools (Mimir, Grafana, Honeycomb, Loki, OTel)
• Collaborative culture: We believe in pair programming, knowledge sharing, and learning together
• Growth mindset: We support continuous learning and provide space for you to develop new skills
• Sustainable: We value long‑term, scalable solutions rather than quick fixes
• Global team: Work with engineers across London, Israel, and North America
• Inclusive environment: We value diverse perspectives and encourage open feedback

• Collaborate on designing, building, and maintaining Forter's Kubernetes platform and our observability, monitoring, and alerting systems supporting 20+ engineering teams
• Complete our migration from EC2 VMs to Kubernetes
• Complete our migration from ELK stack to our new scalable platform (Mimir, Grafana, Honeycomb, Loki, Quickwit)
• Work closely with engineering teams to improve their observability practices, SLOs, and Kubernetes platform adoption
• Create intuitive developer tools that reduce MTTR and make troubleshooting easier
• Foster a culture of continuous learning through knowledge sharing and leading by example
• Collaborate through pairing and sharing sessions to ensure team alignment
• Balance short‑term goals with long‑term, sustainable infrastructure improvements

• Extensive experience with cloud infrastructure (AWS, Terraform, Kubernetes)
• Hands‑on experience with observability tools (Prometheus, Grafana, ELK, Honeycomb, Loki, or similar)
• Comfortable with collaborative practices (pair programming, code reviews)
• Self‑driven with passion for building high‑quality, sustainable software
• Excellent communication skills for both technical and non‑technical stakeholders
• Growth mindset that embraces challenges as learning opportunities

• Have experience with SRE principles and Observability‑Driven Development (ODD)
• Know how to design and scale monitoring infrastructure for distributed systems
• Are familiar with distributed tracing (OpenTelemetry)
• Have experience with cost optimisation for observability tools
• Understand microservices architectures and monitoring complex, interdependent services
• Have contributed to open‑source observability or monitoring projects

• Competitive salary and bonus plan
• Restricted Stock Units (RSUs)
• Private health insurance, including vision and dental coverage
• Generous PTO policy
• Half‑day Fridays, every Friday

Digital commerce is built on trust. At every point along the eCommerce journey, businesses must make a critical decision: Can I trust this customer? Answering this simple question accurately and instantly is powerful—it can accelerate revenue growth and strengthen a company’s connection with its customers. How do we do it? Forter was founded on the insight that it's not about what is being purchased, nor where— but who is behind the interaction.

The Forter Decision Engine finds patterns across more than one billion identities in our dataset. We isolate fraudsters and protect customers—ensuring everyone gets the experience they deserve. Given that trust is central to how we operate, Forter is very much driven by a defined set of values. We attract remarkable talent and have retention and engagement levels that are well above benchmarks. We’re meticulous about strengthening our culture as we grow and ensuring this is an environment where people can have outsized impact.

Trust is backed by data – Forter is a recipient of over 10 workplace and innovation awards, including:

• Great Place to Work Certification (2021, 2022, 2023, 2024)
• Fortune’s Best Workplaces in NYC (2022, 2023 and 2024)
• Forbes Cloud 100 (2021, 2022, 2023 and 2024)
• #3 on Fast Company’s list of “Most Innovative Finance Companies” (2022)
• Anti‑Fraud Solution of the Year at the Payments Awards (2024)
• Fintech Breakthrough Awards – Best Fraud Prevention Platform (2023)

Life as a Forterian:

We are a team of over 600 Forterians spread across 3 different continents. Since 2013, we've raised $525 million from investors such as Tiger Global, Bessemer, Sequoia Capital, March Capital and Salesforce Ventures. We're on a mission to bring trust to global digital commerce so that companies like Adobe, ASOS, eBay, Instacart, Priceline and Nordstrom can block fraud, drive revenue and improve customer experience.

At Forter, we believe unique people create unique ideas, and valuable experience comes in many forms. So, even if your background doesn't match everything we have listed in the job description, we still encourage you to apply and tell us why your skills and values could be an asset to us. By welcoming different perspectives, we grow together as humans and as a company.

Forter is an Equal Employment Opportunity employer that will consider all qualified applicants, regardless of race, color, religion, gender, sexual orientation, marital status, gender identity or expression, national origin, genetics, age, disability status, protected veteran status, or any other characteristic protected by applicable law.

If you need assistance or an accommodation due to a disability, please email us at interviewaccommodation@forter.com. This information will be treated as confidential and used only for the purpose of determining an appropriate accommodation for the interview process.

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