Senior Java Developer

Luxoft Germany; Greater London; On-site; GBP 110,000 - 160,000; Full time

Job summary

Luxoft Germany is seeking an experienced backend engineer to join the Equity Accelerator programme in London. You will design, build, and evolve scalable backend services for trading and post-trade platforms using Java and Kotlin in JVM ecosystems.

You will work on event-driven, cloud-native architectures, contribute to architecture decisions, and maintain high-quality delivery through TDD, CI/CD, and strong collaboration with business stakeholders in the equities domain.

Qualifications

• 7+ years of Java development experience
• Kotlin experience or willingness to learn Kotlin
• Hands-on capital markets experience, especially trade lifecycle and post-trade processing
• Proven experience building event-driven distributed systems
• Deep understanding of messaging concepts (ordering, resiliency, replay, failure handling)
• Strong TDD practices with end-to-end ownership of quality
• Solid experience in Agile delivery, CI/CD, and trunk-based development
• Understanding of trade booking, position management, settlement, accounting, and cashflows
• Strong system design and architectural decision-making skills
• Ability to operate autonomously in complex, business-critical environments

Responsibilities

• Design, develop, and maintain backend services for trading and post-trade platforms
• Build scalable event-driven applications and messaging-based integrations
• Develop services using Kotlin and Java within JVM ecosystems
• Contribute to architecture design and technology decisions
• Ensure software quality through TDD and reliable data processing, replay, and recovery
• Participate in CI/CD pipelines and frequent production deployments
• Analyze and resolve complex production and performance issues
• Collaborate with business and technology stakeholders across the equities domain
• Drive technical excellence and mentor other engineers
• Apply deep understanding of capital markets workflows to solution design

Skills

Java dev

Kotlin

Capital markets

Event-driven

Messaging

TDD

Agile/CI/CD

Trade lifecycle

System design

Autonomy

Tools

Kafka

Solace

TIBCO EMS

SQL Server

MongoDB

S3/Object Storage

Kubernetes

OpenShift

OpenTelemetry

ELK Stack

Grafana

HashiCorp Vault

CyberArk

GitHub Copilot

Devin

React

Angular

Job description

Project description

Join the Equity Accelerator programme to modernize critical Prime Finance Equities trading platforms. The role focuses on building and evolving highly scalable backend systems using Kotlin and Java, with event-driven, cloud-native architectures. Engineers will work directly on business-critical production systems while contributing to strategic platform transformation and market expansion initiatives.

Responsibilities

• Design, develop, and maintain backend services for trading and post-trade platforms.
• Build scalable event-driven applications and messaging-based integrations.
• Develop services using Kotlin and Java within JVM ecosystems.
• Contribute to architecture design and technology decisions.
• Ensure software quality through Test-Driven Development (TDD).Implement reliable data processing, event replay, and failure recovery mechanisms.
• Participate in CI/CD pipelines and frequent production deployments.
• Analyze and resolve complex production and performance issues.
• Collaborate with business and technology stakeholders across the equities domain.
• Drive technical excellence and mentor other engineers.
• Apply deep understanding of capital markets workflows to solution design.

SKILLS

Must have

• 7+ years of Java development experience
• Any Kotlin experience is preferable or willingness to learn Kotlin
• Hands-on capital markets experience, particularly trade lifecycle and post-trade processing.
• Proven experience building event-driven distributed systems.
• Deep understanding of messaging concepts, including ordering, resiliency, replay, and failure handling.
• Strong TDD practices with end-to-end ownership of quality.
• Solid experience in Agile delivery, CI/CD, and trunk-based development.
• Understanding of trade booking, position management, settlement, accounting, and cashflows.
• Strong system design and architectural decision-making skills.
• Ability to operate autonomously in complex, business-critical environments.

Nice to have

• Kafka, Solace, or TIBCO EMS.
• SQL Server, MongoDB, and S3/Object Storage.
• Kubernetes and OpenShift.
• OpenTelemetry, ELK Stack, Grafana.
• HashiCorp Vault and CyberArk.
• Prime Brokerage, Synthetic Swaps, or Cash Equities domain experience.
• Regulatory reporting exposure (EMIR, MiFID, 871(m)).
• Experience integrating with risk, valuation, and reporting platforms.
• GitHub Copilot, Devin, or other AI-assisted development tools.l
• Exposure to frontend technologies (React, Angular) for cross-functional collaboration.