Intermediate Java Developer
First seen by Alion on Oct 15, 2026.
SUMMARY:
We are looking for an Intermediate Java Developer (4–6 years' experience) for a 12-month hybrid contract. You will build and maintain core Java services on a large-scale telecoms billing and operations platform while driving enterprise integrations and hands-on client UAT/FAT sessions.
POSITION INFO:
The Tech Stack Deep-Dive Must-Haves: Languages & Frameworks: Java (including J2EE, Spring) Databases: Deep SQL & query optimization (MSSQL, Oracle, MySQL, or PostgreSQL) DevOps, OS & Cloud: Linux, Bash scripting, Docker, and Kubernetes Messaging & Tools: RabbitMQ or ActiveMQ, Git, Scrum\/Agile, Postman Nice-to-Haves: Integrations & PL\/SQL: Apache Camel, Oracle PL\/SQL, and Oracle APEX Domain Knowledge: Telecoms BSS\/OSS background Web Basics: Basic HTML and CSS Key Responsibilities Core Engineering: Build and optimize high-throughput Java microservices on a mission-critical enterprise billing platform. Performance Tuning: Write and refine complex SQL across diverse database engines to maintain peak system performance. Containerized Deployments: Manage containerized services on Linux using Docker and Kubernetes. Direct Facilitation: Integrate enterprise message queues and lead FAT\/UAT sessions directly with customer teams. Why Join Us? Impact at Scale: Work on a massive BSS modernization initiative delivered alongside an established international technology group. Flexible Hybrid Setup: Enjoy a balanced work model with 2 days a week in Centurion, with all equipment, tools, and licenses fully provided. Competitive Compensation: Market-related rates aligned with your experience on a dedicated, highly professional contract team