Java Developer- London

Company: Quant Capital
Apply for the Java Developer- London
Location: London
Job Description:

Overview

In this core Java role, you’ll build and optimize high-performance backend services for an asset management platform. You join a lean, engineering-led team, collaborating with founders and senior engineers to shape scalable infrastructure. Expect hands-on work across the stack, architecture discussions, and rapid iteration in a live, client-facing environment. You will help drive performance, reliability, and product quality in a fast-moving fintech setting.

Responsibilities

  • Design, build, and maintain high-performance backend services using Core Java
  • Collaborate with a compact, capable development team
  • Optimize performance and troubleshoot production issues across the stack
  • Lead on testing, CI/CD, and DevOps best practices
  • Participate in technical architecture discussions, code reviews, and product planning
  • Contribute to front-end components and help shape broader system architecture

Key requirements

  • Strong proficiency in Core Java and object-oriented design
  • Experience designing scalable distributed systems
  • Understanding of front-end frameworks (React, Angular, or similar) is a plus
  • Familiarity with SQL/NoSQL databases and data modelling
  • Exposure to cloud platforms (AWS preferred) and modern DevOps workflows
  • Comfortable working in a fast-moving, collaborative environment
  • Financial sector or asset management knowledge is a bonus, not required
  • Collaborative mindset
  • Problem-solving under pressure
  • Effective communication
  • Core Java
  • Distributed systems design
  • Front-end frameworks (React, Angular)

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Posted: September 14th, 2026