Java/Kotlin Software Engineer

Overview

As Software Engineer in Cards Engineering, you’ll help ship impactful financial products for millions of customers. You’ll design and operate scalable microservices, own services end-to-end, and collaborate with product, design and data teams to craft resilient solutions. The role combines hands-on coding with operating systems thinking and a product-focused mindset. You’ll thrive in a fast-changing fintech environment, shaping how users interact with complex financial services.

Pay / Benefits

• hybrid work in London (2–3 days/week)
• flexible working
• option to work from abroad up to 120 days a year
• DEI-friendly culture
• supportive work-life balance
• growth opportunities

Responsibilities

• Design and build modern, reliable, scalable microservices
• Own services end-to-end from conception to production monitoring
• Collaborate with product, design and data teams to shape solutions
• Focus on shipping great products, not just writing code

Key requirements

• Experience building distributed systems at scale
• Proficiency with Kotlin, Kafka, Kubernetes, Docker, AWS Aurora Postgres (or willingness to learn)
• Test-driven development practices
• Product-focused engineering mindset
• Comfort operating in uncertainty and rapid change
• Collaborative problem-solving skills

• collaborative
• problem-solving
• adaptability
• Kotlin
• Kafka
• Kubernetes

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