Job Description: Senior Developer – Java / AWS / Microservices

Position Summary

We are seeking a highly skilled

Senior Developer

with strong expertise in

Java, Microservices Architecture, API Development, and AWS Cloud Technologies . The ideal candidate will be responsible for designing, developing, and maintaining scalable, secure, and high-performance APIs and cloud-native applications. Experience with TM Forum Open APIs, contemporary Java frameworks, and DevOps practices is essential. Key Responsibilities

Design, develop, and maintain RESTful APIs and Microservices using

Java 21 . Develop and enhance APIs in alignment with

TM Forum Open API standards . Build, deploy, and support cloud-native applications on

AWS . Design scalable, secure, resilient, and high-performing backend solutions. Collaborate with architects, product owners, and cross-functional teams to deliver business requirements. Implement API security, authentication, authorization, and performance optimization best practices. Develop containerized applications using

Docker

and deploy them in cloud environments. Build and maintain CI/CD pipelines using

GitHub Actions . Monitor application performance, troubleshoot issues, and ensure operational excellence using

Splunk

and other monitoring tools. Participate in code reviews, technical design discussions, and mentoring junior developers. Ensure adherence to coding standards,



security guidelines, and software development best practices. Required Skills & Experience

Strong hands-on experience in

Java 21

development. Extensive experience with

Spring Boot

and/or

Micronaut

frameworks. Solid understanding of

Microservices Architecture

and distributed systems. Proven experience in developing

REST APIs

and integrating with

TM Forum Open APIs . Strong expertise in

AWS Cloud Services , including: ECS Fargate Lambda API Gateway S3 CloudFront DynamoDB Experience with

APIGEE

API Management. Hands-on experience with

Docker

containerization. Strong understanding of

CI/CD pipelines

using GitHub Actions. Experience with application monitoring and log analysis using

Splunk . Knowledge of software design patterns, secure coding practices, and performance tuning. Preferred Qualifications

Experience in Telecommunications, Digital Platforms, or Enterprise API Ecosystems. Knowledge of OAuth 2.0, JWT, OpenID Connect, and API Security standards. Exposure to Agile/Scrum delivery methodologies. AWS Certifications are highly desirable. Experience working in large-scale enterprise environments. Experience Required

8+ years

of software development experience. 5+ years

of hands-on experience in Java-based Microservices and Cloud-native application development.

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📌 Senior Java Software Engineer (Sydney)
🏢 Zone IT Solutions
📍 Sydney