In-Demand Java developer Jobs in Clayton, Vic

Principal Architect - Domain Frontier Engineer - Telecom
Cognizant —Melbourne VIC
- $100,000 a year
- Full-time
- Hybrid work
- Management
- DevOps
- AWS
Senior Site Reliability Engineer
Block, Inc. —Melbourne VIC
- 12 hour shift
- Remote
- Software development
- AI
- Health insurance
Lead Solutions Engineer, Strategic Accounts
Dynatrace —Melbourne VIC
- Full-time
- Hybrid work
- Computer science
- Azure
- Computer Science
- Travel reimbursement
- Health insurance
System Development Engineer, Network Core
Amazon Support Services Pty Ltd —Melbourne VIC
- Full-time
- AWS
Systems Development Manager, Network Core
Amazon Support Services Pty Ltd —Melbourne VIC
- Full-time
- Computer Science
- Engineering
- AWS
Platform DevOps Engineer
Future Secure AI —Melbourne VIC
- On call
- Azure
- DevOps
- AWS
Quick Apply
Systems Development Engineer, Region Services
Amazon Web Services Australia Pty Ltd —Melbourne VIC
- Full-time
- Administrative experience
- AWS
- AI
Senior Cloud Engineer: National Security & Defence, Professional Services
Amazon Web Services Australia Pty Ltd —Melbourne VIC
- Full-time
- Master's degree
- AWS
- Bachelor's degree
Sr Security Engineer, Region Services
Amazon Web Services Australia Pty Ltd —Melbourne VIC
- Full-time
- AWS
- Scripting
- AI
- Health insurance
- Employee assistance program

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Principal Architect - Domain Frontier Engineer - Telecom

Cognizant -
Melbourne VIC

Apply Now

Job Details

Full-time
$100,000 a year

Qualifications

Spring Boot
CI/CD
Management
Cloud architecture
DevOps
Microservices
AWS
Docker
Terrafrom
RabbitMQ
REST
APIs
IT
S3
Solution architecture
AI
RDS database
Leadership
Communication skills

Full Job Description

What makes Cognizant a unique place to work? The combination of rapid growth and an international and innovative environment! This is creating many opportunities for people like YOU — people with an entrepreneurial spirit who want to make a difference in this world.
At Cognizant, together with your colleagues from all around the world, you will collaborate on creating solutions for the world's leading companies and help them become more flexible, more innovative, and successful. Moreover, this is your chance to be part of the success story.

Position Summary:
We are looking for a seasoned Java Architect ( Principal Architect - Domain Frontier Engineer - Telecom ) to lead the design and modernization of enterprise-grade systems within our Telecom business unit. The ideal candidate will bring deep expertise in legacy-to-cloud transformation, strong architectural leadership in Java/Spring Boot microservices, and hands-on exposure to AWS and AI-driven solutions. This role requires someone who has navigated the complexities of large-scale telecom platforms — OSS/BSS, billing, provisioning, network management, or customer experience systems — and successfully led their transition from monolithic/legacy architectures to modern, scalable, cloud-native ecosystems.

Key Responsibilities:

Own end-to-end architecture and technical design for large-scale telecom applications, ensuring scalability, security, and performance.
Legacy Modernization: Lead legacy modernization initiatives — assess existing monolithic/legacy telecom systems and design phased migration strategies to microservices and cloud-native architectures.
Architect and guide development of Spring Boot–based microservices, ensuring adherence to best practices (domain-driven design, API-first design, event-driven patterns, etc.).
Define and drive cloud architecture on AWS (EC2, ECS/EKS, Lambda, RDS, S3, API Gateway, etc.), including cost optimization, high availability, and disaster recovery strategies.
Identify and integrate AI/ML capabilities into telecom workflows (e.g., predictive maintenance, network optimization, customer churn analysis, intelligent automation, GenAI-based assistants).
Collaborate with business stakeholders, product owners, and engineering teams to translate telecom domain requirements (OSS/BSS, CRM, billing, network operations) into technical solutions.
Establish architectural governance — coding standards, design reviews, technical documentation, and CI/CD practices.
Mentor and guide development teams, conduct architecture reviews, and ensure alignment with enterprise architecture principles.
Evaluate and recommend tools, frameworks, and technologies to improve system reliability, scalability, and maintainability.
Manage technical risk during migration — ensuring zero/minimal disruption to live telecom operations during cutover phases.

Required Skills & Experience:

12–20 years of overall IT experience, with a significant portion in solution/technical architecture roles.
Strong hands-on and architectural experience in Java, Spring Boot, and Microservices architecture.
Proven experience with AWS cloud services — architecting, deploying, and managing applications on AWS.
Practical exposure to AI/ML integration within enterprise applications (LLMs, GenAI, ML pipelines, or intelligent automation — any relevant exposure is a plus).

Mandatory Skills:

Prior experience working on Telecom domain projects (OSS/BSS, billing, network management, provisioning, CRM, or similar).
Demonstrated experience leading legacy system modernization/transformation projects — migrating monolith to microservices, on-prem to cloud, or similar large-scale re-architecture efforts.
Strong understanding of API design (REST/GraphQL), event-driven architecture (Kafka/RabbitMQ), and containerization (Docker, Kubernetes).
Familiarity with DevOps practices, CI/CD pipelines, and Infrastructure as Code (Terraform/CloudFormation) is a plus.
Excellent stakeholder management, communication, and leadership skills — ability to work with both technical teams and business leadership.
Relevant certifications (AWS Solutions Architect, TOGAF, or similar) are a plus.

Salary Range: >$100,000
Date of Posting: 11-Aug-26
Next Steps: If you feel this opportunity suits you, or Cognizant is the type of organization you would like to join, we want to have a conversation with you! Please apply directly with us.
For a complete list of open opportunities with Cognizant, visit http://www.cognizant.com/careers. Cognizant is committed to providing Equal Employment Opportunities. Successful candidates will be required to undergo a background check.

Apply Now

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java developer jobs in clayton, vic

Principal Architect - Domain Frontier Engineer - Telecom

Senior Site Reliability Engineer

Lead Solutions Engineer, Strategic Accounts

System Development Engineer, Network Core

Systems Development Manager, Network Core

Platform DevOps Engineer

Systems Development Engineer, Region Services

Senior Cloud Engineer: National Security & Defence, Professional Services

Sr Security Engineer, Region Services

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