Senior Java Developer (AWS, Java, API) - Sussex - Hybrid

Gb
Storrington and Sullington, United Kingdom
yesterday

Role details

Contract type
Temporary contract
Employment type
Full-time (> 32 hours)
Working hours
Regular working hours
Languages
English
Experience level
Senior

Job location

Storrington and Sullington, United Kingdom

Tech stack

Clean Code Principles
Java
API
Amazon Web Services (AWS)
Amazon Web Services (AWS)
Automation of Tests
Cloud Engineering
Software Quality
Continuous Integration
Dependency Injection
Software Design Patterns
DevOps
Amazon DynamoDB
Github
Java Virtual Machine (JVM)
NoSQL
OAuth
Object-Oriented Software Development
Cloud Services
Service Development Studio
Simple Object Access Protocol (SOAP)
Software Engineering
SQL Databases
Systems Integration
Data Logging
Delivery Pipeline
Backend
Information Technology
GraphQL
Functional Programming
Api Gateway
REST
Jenkins
Microservices

Job description

My client is looking for a Senior Software Developer (AWS/Java) to join the Digital Development & Delivery team. You will play a key role in designing, developing, and maintaining secure, scalable, and cloud-native Java microservices, primarily hosted on AWS, integrating with both internal and third-party systems.

Collaborating closely with technical leads, platform engineers, QA, and product teams, you will follow best practices in software design, observability, security, and DevOps principles. You will also contribute to L3 support activities, ensuring the stability and reliability of production systems., Backend Service Development

  • Design, build, and maintain secure, high-performance Java-based microservices
  • Implement RESTful APIs and GraphQL integrations
  • Ensure services are cloud-native, scalable, and resilient in AWS

Code Quality, Testing, and Best Practice

  • Write clean, maintainable code following internal coding standards
  • Develop automated tests (unit, integration, performance)
  • Participate in peer code reviews and technical discussions

Operational Support and Continuous Improvement

  • Support production systems through L3 incident triage and root cause analysis
  • Monitor service health using observability tools
  • Identify opportunities for refactoring and performance improvements

Collaboration and Agile Delivery

  • Work with Technical Leads, QA Engineers, and Product Owners to deliver sprint goals
  • Contribute to estimation, design discussions, and documentation
  • Participate in DevOps practices including CI/CD and deployments

Security, Compliance, and Observability

  • Develop secure APIs and backend services following best practices
  • Embed monitoring, logging, and tracing into services
  • Ensure solutions meet organisational security and compliance standards

Requirements

  • 5+ years of professional backend development experience
  • Strong understanding of Object-Oriented Programming principles and familiarity with Functional Programming
  • Proficiency in Java (v8 - v24) and dependency injection frameworks
  • Knowledge of software design patterns
  • Understanding of microservices architecture and event-driven patterns
  • Familiarity with other JVM languages
  • Hands-on experience with AWS cloud services (e.g., Lambda, API Gateway, DynamoDB, ECS, S3)
  • Experience developing RESTful APIs
  • Exposure to SOAP and GraphQL services
  • Familiarity with CI/CD pipelines (e.g., Jenkins, GitHub Actions, AWS CodePipeline)
  • Knowledge of unit, integration, and automation testing
  • Awareness of security best practices, including OAuth2/JWT authentication
  • Awareness of SQL and NoSQL (e.g., OpenSearch)
  • Familiarity with industry-specific systems (e.g., GDS) is advantageous
  • Partner and Vendor Teams (onshore and offshore)

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