Java Microservice developer

LA International; City of Edinburgh; Hybrid; GBP 71,000 - 96,000; Full time

Job summary

LA International is seeking a Principal Engineer to design, develop, and support secure, scalable Java microservices in a hybrid Edinburgh environment. You will provide technical leadership, shape solution design, and work with Product Owners, Architects, and engineering teams within an Agile framework.

The role emphasizes mentoring engineers, driving engineering excellence, and ensuring production reliability while participating in CI/CD, code reviews, and performance optimizations across

Qualifications

• Experience designing and delivering Java-based microservices within an enterprise setting.
• Strong knowledge of cloud-native development and modern CI/CD pipelines.
• Ability to lead technical delivery and mentor other engineers.

Responsibilities

• Develop and maintain Java-based applications and microservices.
• Contribute to solution design and technical delivery.
• Write clean, maintainable, and well-tested code.
• Support CI/CD pipelines and automated testing.
• Participate in code reviews and technical discussions.
• Resolve production issues and ensure system reliability.
• Mentor engineers and promote best practices.

Skills

Java

Spring Boot

Microservices

React SPA

PostgreSQL

API Gateway

AWS

PCF

TAS

CI/CD

DevOps

Agile

Tools

StreamSets

Airflow

ESP Services

GSS

TYK

Apigee

DataPower

Job description

Job title: Principal Engineer - Java Microservices Developer

Location: Edinburgh (Hybrid)

Contract: 6 Months

Day Rate: £450 per day

The Role

We are looking for an experienced Principal Engineer to design, develop, and support secure, scalable, and high-performing software solutions. You will provide technical leadership, contribute to solution design, and work closely with Product Owners, Architects, and Engineering teams within an Agile environment.

Key Responsibilities

• Develop and maintain Java-based applications and microservices.
• Contribute to solution design and technical delivery.
• Write clean, maintainable, and well-tested code.
• Support CI/CD pipelines and automated testing.
• Participate in code reviews and technical discussions.
• Resolve production issues and ensure system reliability.
• Mentor engineers and promote best practices.

Essential Skills

• Java Spring Boot Microservices
• React Single Page Applications (SPA)
• PostgreSQL
• API Gateway technologies: TYK, Apigee, DataPower
• Cloud platforms: AWS, PCF, TAS
• Integration & batch tools: StreamSets, Airflow, ESP Services, GSS
• CI/CD, Agile delivery, and DevOps practices

Ideal Candidate

A senior engineer with strong Java and cloud-native development expertise, capable of leading technical delivery and driving engineering excellence in a complex enterprise environment.

LA International is an award-winning partner of choice for many of the world's most influential companies and government organisations. Holding Enhanced Government Security Accreditation, we are recognised as the European market leader in the delivery of Security Cleared talent to organisations that demand the very highest levels of security, compliance and assurance.

A multiple award-winning organisation, having secured the prestigious Queens Award for Enterprise: International Trade over consecutive years. We are committed to fostering an inclusive, equitable and accessible workplace where everyone feels valued and supported. We welcome applications from all individuals, regardless of background or identity, and we encourage candidates who may not meet every listed requirement to still apply. If you require any adjustments or support during the recruitment process, please let us know and we will work with you to ensure a fair and accessible experience.

Please Note: If a high volume of applications is received, only candidates shortlisted will be contacted.