LA International Computer Consultants Ltd

Contractor job Senior Java Microservices AWS Developer

London (SW1A 2AH)

LA International Computer Consultants Ltd

Job position

Contractor
As soon as possible
6 months
£500-550
< 2 years experience
Hybrid
SW1A 2AH, London, England, United Kingdom
Published on 14/10/2025

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Our client is looking for a Senior Java Microservices AWS Developer to join the team on a six month initial contract, working two days a week onsite in London. This role is Inside IR35.

Your responsibilities:
* Design and develop web applications using Java and AWS technologies.
* Integrate and manage AWS services like EC2, S3, Lambda, and RDS.
* Develop code deployment strategy and pipelines.
* Design and develop robust, scalable, and high-performance microservices using Spring Boot.
* Write clean, maintainable, and efficient code.
* Collaborate with cross-functional teams to define, design, and ship new features.
* Perform unit and integration testing to ensure software quality.
* Monitor application performance and troubleshoot issues as they arise.
* Participate in code reviews to maintain code quality and standards.
* Take full ownership of feature development from design to production.

Essential skills/knowledge/experience:
* Minimum work experience 10 yrs.
* Java Server Side Concurrent Programming with Spring Boot (Core Spring), Junit.
* Understanding of message-based architectures (MQ/Kafka).
* Proficiency in AWS Serverless Architecture Model (Lambda, DynamoDB, ECS Fargate, SQS, SNS, Kinesis, CloudWatch, CloudFormation, IAM, Code Build, Security Groups, API Gateway, ALBs, KMS, Secrets Manager, Parameter Store, S3), Junit.
* RDBMS Sybase and/or DB2 is preferable, with proficiency in writing complex SQL queries.
* Good Problem solving and analytical skills.
* Full software development lifecycle understanding.
* Good software development practices.
* Excellent oral and written communication skills.


LA International is a HMG approved ICT Recruitment and Project Solutions Consultancy, operating globally from the largest single site in the UK as an IT Consultancy or as an Employment Business & Agency depending upon the precise nature of the work, for security cleared jobs or non-clearance vacancies, LA International welcome applications from all sections of the community and from people with diverse experience and backgrounds.

Award Winning LA International, winner of the Recruiter Awards for Excellence, Best IT Recruitment Company, Best Public Sector Recruitment Company and overall Gold Award winner, has now secured the most prestigious business award that any business can receive, The Queens Award for Enterprise: International Trade, for the second consecutive period.

Stoke-on-Trent, United Kingdom
100 - 249 employees
Recruitment agency
Whether you’re aiming for your next contract or permanent role, we connect you to opportunities across the digital and technology landscape in both public and private sectors. With eight specialist Divisions and a single-site team of highly experienced consultants, you get personalised support backed by deep sector expertise. Already security-cleared? Our in-house Security Vetting Department can transfer your clearance quickly and smoothly. New to cleared environments? Our Enhanced Government Security Accreditation allows us to sponsor new clearances, opening doors to career-defining roles. Operating across 90 countries and 5 continents, and supporting candidates for over 40 years, we don’t just help you find a job, we help you build a career.

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Senior Java Microservices AWS Developer

LA International Computer Consultants Ltd

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