If you have what it takes to become part of the Vistra family and would like to start a promising career with a global leader, take a look at the exciting employment opportunities that are currently available and apply online.
Job Summary
The Lead Developer will be responsible for supporting multiple platforms and utilizing a broad range of software development approaches to ensure the timeliness, quality, and accuracy of the data and platforms. The role is expected to develop and utilize relationships with business and technology users to learn the business processes the applications support. They will also play a pivotal role in delivering data needs, identifying and driving documentation and process improvements, performing support activities for Technology Services, and engaging technology and business users for ideas to improve the user experience.Job Description
Education, Experience, & Skill Requirements
Key Metrics
- Deep understanding of LLMs, context windows, prompt engineering, RAG, embeddings, and vector search.
- Hands-on experience with agent architectures, MCP, function calling, and tool-use patterns.
- Strong TypeScript, Next.js, Node.js, and Python for production engineering.
- Experience with GitHub Copilot, Agent Mode, custom instructions, and prompt files.
- Working knowledge of enterprise CMS, CDP, MarTech, Snowflake, and Azure DevOps.
- Understanding of AI governance, PII handling, output validation, and prompt injection mitigation.
Job Family
Information TechnologyCompany
Vistra Corporate Services CompanyLocations
Irving, TexasTexasIt is the policy of the Company to comply with all employment laws and to afford equal employment opportunity to individuals in all aspects of employment, including in selection for job opportunities, without regard to race, color, religion, sex, sexual orientation, gender identity, pregnancy, national origin, age, disability, genetic information, military service, protected veteran status, or any other consideration protected by federal, state or local laws.
If you are an individual with a disability and need assistance submitting an application or would like to request an accommodation, please email us at [email protected] to make a request.
Skills Required
- 10-12 years of professional experience in a technology or business field
- Experience analyzing code for non-standard practices, errors, and security vulnerabilities, including remediation planning
- Experience managing and delivering departmental initiatives related to supported platforms
- Experience maintaining systems, creating technical designs, and developing and deploying front-end and/or back-end systems
- Deep understanding of LLMs, context windows, prompt engineering, RAG, embeddings, and vector search
- Hands-on experience with agent architectures, MCP, function calling, and tool-use patterns
- Strong TypeScript, Next.js, Node.js, and Python experience for production engineering
- Experience with GitHub Copilot, Agent Mode, custom instructions, and prompt files
- Working knowledge of enterprise CMS, CDP, MarTech, Snowflake, and Azure DevOps
- Understanding of AI governance, PII handling, output validation, and prompt injection mitigation
- Professional certifications such as ITIL, CSM, or AWS are a plus
- Superior organizational, communication, presentation, and attention-to-detail skills
- Ability to build relationships and support among peers, stakeholders, and leaders
What We Do
Vistra is a premier, integrated, Fortune 300 energy company based in Irving, Texas, providing essential resources for customers, commerce, and communities. Vistra combines an innovative, customer-centric approach to retail with safe, reliable, diverse, and efficient power generation. The company brings its products and services to market in 20 states and the District of Columbia, including six of the seven competitive power markets in the U.S. and markets in Canada and Japan, as well.
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