Senior Java Full-Stack Developer

TX-HHSC-DSHS-DFPS•Austin, TX

1d•$8,488 - $11,667•Onsite

About The Position

Join the Texas Health and Human Services Commission (HHSC) and be part of a team committed to creating a positive impact in the lives of fellow Texans. At HHSC, your contributions matter, and we support you at each stage of your life and work journey. Our comprehensive benefits package includes 100% paid employee health insurance for full-time eligible employees, a defined benefit pension plan, generous time off benefits, numerous opportunities for career advancement and more. Explore more details on the Benefits of Working at HHS webpage. This onsite role requires the selected candidate to work from an HHS office in Austin, Texas. Performs highly complex computer systems analysis and senior hands-on full-stack application development work for the CTO organization supporting enterprise modernization and AI innovation initiatives. Work involves designing, coding, testing, implementing, integrating, and maintaining modern web applications, reusable components, APIs, databases, cloud-ready services, AI-enabled applications, and agent-based solutions. Serves as a senior full-stack developer responsible for building secure, scalable, accessible, and maintainable digital solutions that support legacy application modernization, automation of business processes, integration with enterprise systems, and responsible use of AI capabilities. The position supports development of AI-enabled tools, including agent-based applications that can interact with users, call approved APIs or tools, retrieve and summarize information, support workflow automation, and integrate with agency-approved AI platforms and enterprise systems. Collaborate with product owners, business stakeholders, architects, data, cloud, security, and program teams to translate business needs into reliable technical solutions. Prepares technical documentation, supports code quality, troubleshoots complex application issues, and provides technical guidance to development team members. Works under general supervision, with moderate latitude for the use of initiative and independent judgment.

Requirements

Graduation from an accredited four-year college or university with major coursework in computer science, software engineering, information systems, or a related field. Experience may substitute for education on a year-for-year basis.
10+ years of experience with Java
5+ years experience with front end technologies like Angular, React, ect.
Must experience with API's
Must have 3 years experience with cloud technologies like AWS, Azure, or similar.
Knowledge of enterprise application modernization approaches, including refactoring, API enablement, integration, and cloud-ready design patterns.
Knowledge of full-stack application development, including modern front-end frameworks, backend services, APIs, relational and non-relational databases, and secure integration patterns.
Knowledge of AI-enabled application development concepts, including agent-based systems, prompt-enabled applications, retrieval-augmented generation, tool/API calling, workflow automation, and responsible AI implementation.
Knowledge of secure software development practices, source control, CI/CD concepts, automated testing, accessibility standards, web security mechanics, and code quality standards.
Skill in developing secure, scalable, and maintainable full-stack applications using modern web technologies, APIs, databases, and enterprise integrations.
Skill in designing and building agent-based application capabilities that can interact with users, call approved tools or APIs, retrieve information, summarize content, and support business workflow automation.
Skill in troubleshooting complex application, integration, performance, security, and data flow issues across front-end, backend, AI, and cloud environments.
Ability to serve as a senior hands-on developer while providing technical guidance, code review support, and practical development direction to other developers and team members.
Ability to support both modernization and innovation efforts by balancing legacy system constraints with new technology adoption, cloud-ready design, and responsible AI-enabled solution delivery.
Ability to design AI-enabled and agent-based solutions that are practical, secure, explainable, auditable, accessible, and aligned with enterprise standards.

Responsibilities

Develops, enhances, and maintains modern full-stack web applications, reusable user interface components, services, and application features supporting enterprise modernization and AI innovation initiatives. Builds secure, accessible, responsive, and user-centered front-end solutions that integrate with APIs, databases, cloud services, and enterprise platforms.
Designs, develops, and maintains secure backend services, business logic, RESTful APIs, data access layers, and integration workflows connecting application front-ends with databases, cloud services, AI services, and enterprise systems. Supports modernization of legacy capabilities through scalable and maintainable architecture patterns.
Designs and develops AI-enabled and agent-based application capabilities, including chat-based interfaces, workflow agents, tool/API-calling agents, retrieval-augmented generation patterns, prompt-enabled application features, and integrations with approved AI platforms. Ensures agent solutions are secure, auditable, reliable, and aligned with agency technology, data, and security standards.
Evaluates application performance, identifies and resolves front-end and backend issues, improves reliability, reduces latency, supports secure coding practices, performs testing, and assists with application troubleshooting across development and production environments.
Prepares technical documentation, system diagrams, API specifications, design notes, code documentation, and implementation guidance. Provides hands-on technical direction, reviews code, supports standards alignment, and assists team members with integration and development tasks. Performs other duties as assigned.