Full Stack Java Engineer

Luxoft; Greater London; On-site; GBP 90,000 - 120,000; Full time

Job summary

Luxoft is seeking an experienced Full Stack Engineer to join a major financial services transformation programme focused on enhancing a Loan IQ lending platform ecosystem. This senior role blends integration, cloud architecture, modern engineering practices, and AI-assisted software development to design and deliver enterprise-grade integrations within an Agile team.

You will lead the implementation of REST APIs, event-driven integrations, and cloud-native solutions on Azure, while developing

Qualifications

• Experience integrating with Loan IQ APIs and data models.
• Strong Java and Spring Boot development expertise.
• Experience building RESTful APIs and event-driven integrations.

Responsibilities

• Lead design and development of REST APIs, messaging, and Loan IQ integrations.
• Build cloud-native integration solutions on Microsoft Azure.
• Develop reusable frontend components using React.
• Collaborate with Product Owners, BAs, QA, and engineers to deliver end-to-end solutions.
• Ensure code quality through reviews and standards.

Skills

Java

Spring Boot

REST APIs

Kafka/MQ

Azure

React

CI/CD

Azure Functions

Tools

GitLab

Jenkins

Azure DevOps

Job description

Luxoft is seeking an experienced Full Stack Engineer to join a major financial services transformation programme focused on enhancing and integrating a Loan IQ lending platform ecosystem. This is an exciting opportunity for a senior engineer who thrives at the intersection of integration, cloud architecture, modern engineering practices, and AI-assisted software development. You'll play a key role in designing and delivering enterprise-grade integrations, leading technical implementation within an agile team, and helping drive the adoption of cloud-native and AI-enabled development approaches.

What You'll Be Doing

• Lead the design and development of REST APIs, messaging services, and integration components connecting Loan IQ with enterprise platforms
• Design and implement scalable, cloud-native integration solutions using Microsoft Azure services
• Develop reusable frontend components and frameworks using React and modern web technologies
• Collaborate closely with Product Owners, Business Analysts, QA teams, and fellow engineers to deliver end-to-end solutions
• Drive technical excellence through code reviews, development standards, and best practices
• Contribute to CI/CD pipelines, release management, and deployment automation
• Troubleshoot production issues and optimise performance across integration services
• Build serverless solutions using Azure Functions and event-driven architectures
• Leverage AI-assisted development tools to improve coding, testing, debugging, and documentation processes
• Champion modern engineering practices, cloud adoption, and AI-enabled development across the wider team

What We're Looking For

• Proven experience integrating with Loan IQ, including its APIs and data models
• Strong Java and Spring Boot development expertise
• Experience building RESTful APIs and event-driven integrations
• Strong knowledge of Kafka and/or MQ messaging technologies
• Experience integrating with core banking, lending, or financial platforms
• Strong understanding of CI/CD practices and tooling such as GitLab and Jenkins
• Excellent communication and stakeholder collaboration skills
• Hands-on experience with Microsoft Azure
• Experience developing serverless solutions using Azure Functions

Knowledge of cloud-native architecture patterns, including:

• Microservices
• Event-driven architectures
• API-led connectivity
• Distributed integration solutions

Experience with Azure integration services such as Service Bus and Event Grid

AI-Assisted Development Experience

Hands-on experience using AI coding assistants and developer productivity tools

Experience using AI for:

• Unit test creation
• Debugging and troubleshooting

Understanding of responsible AI usage, engineering governance, and code quality controls

Nice to Have

• Additional DevOps and automation experience
• Financial Services, Banking, or Lending domain knowledge