Senior Full Stack Engineer (Java / React) | Equities Trading Technology

Luxoft; England; Hybrid; GBP 90,000 - 130,000; Full time

Job summary

Luxoft in the United Kingdom is seeking a Senior Full Stack Engineer to join a major transformation programme modernising equity trading platforms. You will work on real-time trading and post-trade systems, building cloud-native, event-driven solutions with Java and React across the full stack.

You will contribute to architecture, design decisions and engineering best practices while mentoring teammates and delivering frequent production releases.

Qualifications

• Proficient Java backend development
• Strong frontend experience with React/Angular
• Experience with messaging architectures and resiliency patterns
• Solid TDD practices and test automation
• Experience in Agile teams and CI/CD
• Exposure to real-time, WebSocket or streaming apps
• Able to contribute to architecture decisions and technical directions
• Capital markets knowledge is a plus

Responsibilities

• Build real-time equities trading and post-trade applications
• Develop full-stack solutions with Java and React
• Design and operate event-driven distributed systems at scale
• Create responsive, data-rich front office UIs
• Develop APIs, messaging integrations and backend services
• Contribute to architecture and technical design decisions
• Drive TDD and automated testing; support CI/CD and production releases
• Troubleshoot complex production issues in mission-critical environments
• Collaborate with product, business and technology stakeholders
• Mentor engineers and help shape development standards

Skills

Java

React

Angular

TDD

Agile

CI/CD

WebSockets

Architecture

Tools

Kafka

Kubernetes

OpenShift

SQL Server

MongoDB

S3

OpenTelemetry

Grafana

ELK Stack

HashiCorp Vault

CyberArk

Job description

Shape the Future of Equity Trading Technology

We're looking for a Senior Full Stack Engineer to join a major multi-year transformation programme modernising institutional equities and prime finance platforms.

This is an opportunity to work on business-critical trading and post-trade systems used by global institutional clients, helping to build the next generation of cloud-native, event-driven platforms that process high-volume, real-time financial flows. You'll be joining a highly collaborative engineering environment where technology is central to the business strategy, working across the full stack while contributing to architecture, platform design and engineering best practices.

What You'll Be Working On

• Building and enhancing real-time equities trading and post-trade applications
• Developing modern full stack solutions using Java and React
• Designing event-driven distributed systems operating at scale
• Creating responsive, data-rich user interfaces for front office users
• Developing APIs, messaging integrations and backend services
• Contributing to architecture and technical design decisions
• Driving engineering excellence through TDD and automated testing
• Supporting CI/CD pipelines and frequent production releases
• Troubleshooting complex production issues in mission-critical environments
• Partnering closely with product, business and technology stakeholders
• Mentoring engineers and helping shape development standards across the team

What We're Looking For

• Strong software engineering experience with Java
• Commercial experience building modern frontend applications with React and/or Angular
• Solid understanding of messaging architectures, resiliency patterns and fault tolerance
• Strong Test-Driven Development (TDD) practices
• Experience working within Agile engineering teams
• Exposure to CI/CD, trunk-based development and regular production releases
• Experience building real-time applications using WebSockets or streaming technologies
• Ability to contribute to architecture discussions and technical decision-making

Capital Markets Experience

You’ll bring hands-on experience within capital markets, including knowledge of:

• Position management
• Institutional trading environments

Experience with Prime Brokerage, Synthetic Swaps or Cash Equities is particularly valuable.

Bonus Points For

• Kotlin experience, or a willingness to learn
• Kafka, Solace or TIBCO EMS
• Kubernetes and OpenShift
• SQL Server, MongoDB and S3/Object Storage
• OpenTelemetry, Grafana and ELK Stack
• HashiCorp Vault or CyberArk
• Regulatory reporting knowledge (EMIR, MiFID, 871(m))
• Integration experience with risk, valuation or reporting platforms
• Exposure to AI-assisted development tools such as GitHub Copilot or Devin

Why Join?

• Strategic transformation programme with significant investment
• Direct impact on front-office trading technology
• Modern engineering practices, cloud-native architecture and event-driven systems
• Complex technical challenges and large-scale distributed systems
• Opportunity to influence architecture and technical direction
• Work alongside experienced engineers, architects and capital markets specialists

If you're an experienced engineer who enjoys solving complex technical problems while working at the intersection of software engineering and capital markets, we'd love to hear from you.