Senior Software Engineer (App Support)

Role Purpose
We are looking for a Senior Software Engineer (App Support) with strong engineering experience who takes end-to-end ownership of live, production SaaS systems, ensuring their reliability, supportability, and effective operation for our clients, using AI and automation pragmatically to improve incident response and operational efficiency.

As a senior escalation point, you will diagnose and resolve complex production issues, perform root cause analysis, and drive long-term engineering improvements in close collaboration with clients, engineers, and product and platform teams.

Domain Experience (Desirable)
Utilities experience will be considered favourably.

Key Responsibilities

Application Support & Operations

• Act as a senior escalation point for complex application issues in production environments
• Diagnose, troubleshoot, and resolve incidents efficiently, balancing short-term fixes with long-term engineering improvements
• Perform root cause analysis (RCA) and implement preventative solutions to reduce recurring incidents
• Identify systemic production issues and lead longer-term remediation initiatives
• Improve application observability through logging, monitoring, alerting, and diagnostics
• Use automation and AI-assisted tools to streamline support processes, reduce manual intervention, and improve mean time to resolution (MTTR)
• Engage with clients to provide incident updates and explain RCA findings to non-technical stakeholders
• Participate in a rotating on-call support roster

AI-Applied Engineering

• Apply AI tools and services to accelerate development, improve quality, and reduce manual effort
• Use AI-assisted development tools (e.g. code generation, test generation, refactoring, analysis) responsibly within enterprise standards

Quality, Security & Reliability

• Support production stability through proactive monitoring, alert tuning, and performance optimisation
• Contribute to operational resilience, availability, and incident reduction metrics
• Embed security, performance, and quality considerations into everyday development

Collaboration & Delivery

• Work within agile, cross-functional teams alongside Product Owners, BAs, QAs, and DevOps
• Mentor junior engineers and contribute positively to team capability uplift

Required Experience & Skills
Development Support Background

• Experience supporting and maintaining business-critical applications in production environments
• Strong debugging and problem isolation skills across distributed systems
• Strong knowledge of Java backend development, with hands-on experience using the Play Framework and SBT preferred
• Proficiency in MySQL (or similar), or strong SQL skills for writing efficient queries, stored procedures, and database optimization
• Experience with APIs, microservices, and cloud-based architectures
• Familiarity with modern frontend frameworks (Angular)
• Familiarity with on-call rotations and incident management practices

AI-Applied Capability

• Hands-on experience using AI tools within the SDLC
• Understanding of where AI adds value vs. where traditional engineering approaches are more appropriate

Cloud & DevOps

• Experience working in AWS, Azure, or GCP environments
• Familiarity with CI/CD pipelines, automated testing, and infrastructure-aware development
• Experience with monitoring and observability tools such as Grafana & CloudWatch

Ways of Working

• Strong problem-solving skills and a practical mindset
• Comfortable working in regulated, security-conscious environments
• Clear communicator who can work across technical and non-technical stakeholders

To be considered for the role click the 'apply' button or for more information about this and other opportunities please contact Yash Jain on 03 8680 4238 or email yjain@paxus.com.au and quote the above job reference number.

Paxus values diversity and welcomes applications from Indigenous Australians, people from diverse cultural and linguistic backgrounds and people living with a disability. If you require an adjustment to the recruitment process, including the application form in an alternate format, please contact me on the above contact details.