Remote: Hybrid

SolStak is looking for a Software Developer to design, build and maintain secure applicationsfor sovereign Defence and government mission systems. You will deliver full-stack solutions inaccredited environments with a strong focus on quality, security and operational reliability.What you'll doDevelop web, API and integration services for mission-critical applicationsWrite clean, tested code and participate in peer review and CI/CD pipelinesIntegrate applications with identity, data and platform servicesFollow secure coding practices aligned with government accreditation requirementsCollaborate with architects, DevOps and project teams on end-to-end deliveryWhat we're looking forStrong software development experience with modern languages and frameworksProficiency with Git, GitLab CI/CD and automated testing practicesUnderstanding of API design, microservices and secure application architectureExperience delivering software in enterprise or government contextsMinimum two years of proven experience in a relevant roleOwn GitLab instance and home lab setting (highly desirable)Existing Australian Government security clearance (highly desirable)Industry certifications (highly desirable)What it feels like to work hereYou'll ship code that runs in production on programmes where reliability and securityare non-negotiable.



SolStak developers get meaningful ownership, direct access to architectsand clients, and a team that values craftsmanship over churn. Your home lab and side projectsaren't a distraction here — they're a sign you care about the craft.Why engineers joinBuild sovereign software used by Defence and government clientsModern GitLab-driven development with CI/CD at the coreWork across the stack — from APIs and front ends to integrations and platform servicesCollaborate with cloud, data, identity and cyber specialistsHybrid flexibility across VIC, NSW and ACTWhat technologies you're exposed toSoftware developers at SolStak build applications that sit across the full sovereign ICTstack — integrating with data platforms, cloud services, virtualisation layers and securitytooling.API integration with Cloudera, Spark and enterprise data servicesEvent-driven pipelines, messaging and analytics backendsCloud-native deployment on AWS, Azure, GCP and sovereign providersContainerised services on OpenShift and KubernetesGitLab, Docker, OpenShift and infrastructure-as-code workflowsPython, TypeScript, Java and modern web application frameworksSecurity productsSecure SDLC, OAuth/OIDC integration and application hardeningSIEM logging, vulnerability scanning and IRAP-aligned development practices

📌 Software Developer (Australia)
🏢 Sol Stak Pty
📍 Australia