Senior Full Stack Java Developer Jobs in Round Rock, TX

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.
Functional Title: Senior Java Full-Stack Developer Job Title: Systems Analyst VII Agency: Health & Human Services Comm Department: Chief Technology Office EI 3b Posting Number: 19993 Closing Date: 10/10/2026 Posting Audience: Internal and External Occupational Category: Computer and Mathematical Salary Range: $8,488.33- $11,666.66 Pay Frequency: MonthlySalary Group: TEXAS-B-29 Shift: Day Additional Shift: Days (First) Telework: Travel: Regular/Temporary: Regular Full Time/Part Time: Full time FLSA Exempt/Non-Exempt: Exempt Facility Location: Job Location City: AUSTIN Job Location Address: 701 W 51ST ST Other Locations: MOS Codes: 0171,8848,8858,181X,182X,1D7X1,255A,255S,25B,25D,25H,26B,62E,681X,682X,781X,CTI,CTM,CTR,CYB10,CYB11
ISM,IT,Z Prefix
This position is open to U.S. Citizens and permanent residents.
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.
Essential Job Functions (EJFs):
Percentage
Description
35%
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.
25%
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.
20%
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.
10%
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.
5%
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.
Knowledge, Skills and Abilities (KSAs):

• Knowledge:

• • 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.

• Skills:

• • 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.

• Abilities:

• • 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.

Registrations, Licensure Requirements or Certifications:
None
Initial Screening Criteria:

• 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.

Additional Information:
Any employment offer is contingent upon available budgeted funds. The offered salary will be determined in accordance with budgetary limits and the requirements of HHSC Human Resources Manual.
Selected candidates must be legally authorized to work in the U.S. without sponsorship.
Selected candidate must be willing to commute to the office on the required days.
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Active Duty, Military, Reservists, Guardsmen, and Veterans:
Military occupation(s) that relate to the initial selection criteria and registration or licensure requirements for this position may include, but not limited to those listed in this posting. All active-duty military, reservists, guardsmen, and veterans are encouraged to apply if qualified to fill this position. For more information please see the Texas State Auditor's Job Descriptions, Military Crosswalk and Military Crosswalk Guide at Texas State Auditor's Office - Job Descriptions.
ADA Accommodations:
In compliance with the Americans with Disabilities Act (ADA), HHSC and DSHS agencies will provide reasonable accommodation during the hiring and selection process for qualified individuals with a disability. If you need assistance completing the on-line application, contact the HHS Employee Service Center at 1-888-894-4747. If you are contacted for an interview and need accommodation to participate in the interview process, please notify the person scheduling the interview.
Pre-Employment Checks and Work Eligibility:
Depending on the program area and position requirements, applicants selected for hire may be required to pass background and other due diligence checks.
HHSC uses E-Verify. You must bring your I-9 documentation with you on your first day of work. Download the I-9 Form
Telework Disclaimer:
This position may be eligible for telework. Please note, all HHS positions are subject to state and agency telework policies in addition to the discretion of the direct supervisor and business needs.