Senior Backend Engineer (Java/Kotlin) – Cloud-Native

Fractal Analytics Inc.

Greater London

Hybrid

GBP 90,000 - 120,000

Full time

4 days ago

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Job summary

Fractal Analytics Inc. in London is seeking a Senior Software Engineer with deep expertise in Java and Kotlin to design, build, and support scalable backend systems for banking and financial services.

You will lead technical initiatives, drive architectural decisions, and mentor engineers while delivering resilient, production-ready microservices on AWS and multi-cloud platforms. Join a fast-growing team focused on high-scale, mission-critical systems and responsible AI-assisted development

Qualifications

Banking, fintech, or financial services experience is preferred.
Experience with mission-critical, high-scale production systems.

Responsibilities

Design, develop, and support scalable backend services, APIs, and cloud-native microservices.
Build distributed and event-driven systems using messaging and asynchronous processing patterns.
Drive engineering excellence through architecture, coding standards, testing, and automation.
Support production systems, incident management, troubleshooting, and operational resilience.
Balance long-term architecture goals with short-term delivery priorities.
Collaborate across engineering teams, product owners, architects, and business stakeholders.
Mentor engineers and guide technical direction.