> Markdown version of [/jobs/ext/2295597-sts-modernization-developer](https://www.wearedevelopers.com/jobs/ext/2295597-sts-modernization-developer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # STS Modernization Developer - **Company:** Ampcus Inc - **Location:** Austin, TX, United States - **Contract:** Permanent contract - **Skills:** Java (Programming Language), .NET Framework, Application Programming Interfaces (APIs), Amazon Web Services, Applications Architecture, Component-Based Software Engineering, Application Testing, Architectural Patterns, Microsoft Azure, Cloud Computing, Code Review, Software Debugging, DevOps, Python (Programming Language), Node.Js, Release Management, Software Engineering, Data Streaming, Systems Integration, Containerization, Kubernetes, Infrastructure Automation Frameworks, Hardware Infrastructure, Cloud Migration, Restful APIs, Code Restructuring, Legacy Systems, Programming Languages, Microservices - **Published:** August 29, 2026 - **Apply:** https://diversityjobs.com/main/sendform/8/8/28176/1/18126046?backUrl=%2Fcareer%2F18126046%2FSts-Modernization-Developer-Texas-Austin ## About the Role The ideal candidate will have strong hands-on development experience and a proven ability to analyze legacy applications, refactor or rebuild components, modernize APIs and integrations, and support application transformation initiatives from development through deployment and cutover., * Proven experience in application modernization, legacy system transformation, or application migration. * Strong hands-on software development experience with one or more of the following: + Java + .NET + Node.js + Python * Strong understanding of modern application architectures, including: + Microservices + REST APIs + CI/CD pipelines + Cloud-ready application design * Experience working with legacy applications, monolithic architectures, older frameworks, on-premises infrastructure, and legacy API layers. * Strong debugging, analytical, and problem-solving skills. * Ability to understand existing systems and translate modernization requirements into practical technical solutions. * Strong collaboration and communication skills. Preferred Qualifications * Experience with cloud migration or modernization using AWS, Azure, or GCP. * Knowledge of containerization technologies and orchestration platforms. * Experience with Infrastructure-as-Code tools and practices. * Familiarity with application/code scanning and migration analysis tools. * Experience with service rewriting, replatforming, application decomposition, or monolith decoupling. * Experience supporting modernization initiatives through testing, deployment, and production cutover. Work Authorization Requirement * Candidate must be a US citizen. US citizenship is required for this position. ## Description We are seeking an experienced STS Modernization Developer to support the modernization of legacy applications and transition outdated systems toward scalable, maintainable, and cloud-ready architectures., * Analyze legacy applications and recommend appropriate modernization strategies, including refactoring, rebuilding, and replatforming. * Design, develop, and implement modern application components using current programming languages, frameworks, and architectural patterns. * Refactor outdated application components to improve maintainability, scalability, security, and performance. * Modernize APIs, integrations, and data flows to align with current technology standards. * Work with monolithic, legacy, and on-premises applications and identify opportunities for decoupling and modernization. * Develop and support RESTful APIs and modern service-oriented or microservices-based solutions. * Collaborate with architects, DevOps engineers, developers, and modernization teams to deliver end-to-end application upgrades. * Troubleshoot complex application and integration issues and implement effective solutions. * Participate in application testing, technical documentation, release management, deployment, and cutover planning. * Contribute to modernization standards, development practices, and architectural improvements. ## Related Videos - [From DevOps to Scaled DevOps: How We’re Rebuilding Continuous Delivery as a Platform](https://www.wearedevelopers.com/videos/100018-from-devops-to-scaled-devops-how-we-re-rebuilding-continuous-delivery-as-a-platform) - [Stop using Node.js like in 2020! What changed and what you can do today with Node.js](https://www.wearedevelopers.com/videos/100011-stop-using-node-js-like-in-2020-what-changed-and-what-you-can-do-today-with-node-js) - [Understanding Kubernetes in a visual way](https://www.wearedevelopers.com/videos/100085-understanding-kubernetes-in-a-visual-way) - [Enhancing Developer Experience During Architecture Modernization](https://www.wearedevelopers.com/videos/1174-enhancing-developer-experience-during-architecture-modernization) - [DevOps Maturity Check – a way to balance autonomy and alignment](https://www.wearedevelopers.com/videos/58-devops-maturity-check-a-way-to-balance-autonomy-and-alignment) - [Application Modernization and Rabbits](https://www.wearedevelopers.com/videos/120-application-modernization-and-rabbits) ## Related Articles - [What Are The Top Skills Required For Azure Developers?](https://www.wearedevelopers.com/magazine/77-what-are-the-top-skills-required-for-azure-developers) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Why Attend a Developer Event in 2026?](https://www.wearedevelopers.com/magazine/688-why-attend-a-developer-event-in-2026) - [Why Upskilling And Reskilling is Important For Developers](https://www.wearedevelopers.com/magazine/428-why-upskilling-and-reskilling-is-important-for-developers) - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline) - [How to land a developer job in Amsterdam](https://www.wearedevelopers.com/magazine/36-how-to-land-a-developer-job-in-amsterdam)