Posted 4 days ago
Lead Developer - Python , Gen AI
IrvingHybridFull-time
AI Summary
Lead Developer (Python, GenAI) who designs and implements Python-based services integrating LLM capabilities, improves ML and modeling platforms, and drives innovative AI solutions as a hands-on individual contributor.
About this role
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
As a Lead Developer (Python, GenAI), you will build the solutions that power our data-driven future. You will play a pivotal role within the Enterprise Data & Analytics team, improving our ML and modeling platforms, increasing the speed of data product delivery, and driving innovative business solutions alongside partners outside of Technology. Operating as a hands-on individual contributor, you will own the design and implementation of a diverse array of Python-based services which integrate LLM capabilities directly into our ecosystem while serving as a champion for Generative AI. This role requires strong independent execution, the ability to collaborate across diverse teams, and a mindset oriented toward enabling and uplifting those around you.Job Description
Key Accountabilities
•Strategic Partnership: Collaborate with teams outside of Technology to identify and implement novel AI solutions that solve real-world challenges.
•AI Integration: Embed Generative AI into workflows for developing enterprise data products and ML platforms to drastically improve efficiency and developer velocity.
•Technical Excellence: Design, develop, and maintain high-quality Python applications and services while promoting best practices for testing, documentation, and maintainability.
•Mentorship: Provide technical guidance and oversight to junior developers and offshore delivery resources.
•Governance & Security: Partner with security, risk, and compliance teams to ensure all solutions meet enterprise standards for governance, privacy, and ethics.
•Technology Evaluation: Proactively evaluate emerging technologies in the data and AI space to determine their practical viability and business value.
Education, Experience, & Skill Requirements
•6–9 years of professional software development experience with a strong emphasis on Python.
•Strong familiarity in applying Generative AI capabilities, including common patterns such as prompt design, Retrieval-Augmented Generation, embeddings & vector stores, and agentic AI.
•Data centric engineering experience building services and tools within a data engineering organization. A "data-first" Python developer who understands the challenges of enterprise data systems.
•Proven experience building and scaling software solutions in cloud environments (AWS preferred).
•An enthusiasm for staying current with AI trends and the pragmatic ability to apply them.
•Solid background in DevOps workflows, including Infrastructure as Code, containerization (Docker/Kubernetes), and CI/CD pipelines.
Key Metrics
•Platform Impact: Success of tools and capabilities that measurably improve Analyst and Data Scientist productivity and speed-to-market.
•Solution Delivery: Successful deployment of high-quality GenAI solutions that drive internal efficiency and business value.
•Operational Productivity: Demonstrated commitment to improving the team's development lifecycle and automation.
•AI Advocacy: Active contribution to the organization’s AI maturity through successful adoption and peer education.
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Job Family
Information TechnologyCompany
Vistra Corporate Services CompanyLocations
Irving, TexasTexasWe are a company of people committed to: Exceeding Customer Expectations, Great People, Teamwork, Competitive Spirit and Effective Communication. If this describes you, then apply today!
If you currently work for Vistra or its subsidiaries, please apply via the internal career site.
It 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.
Skills
Agentic AIAWSCI/CDData EngineeringDevOpsDockerDocumentationEmbeddingsGenerative AIInfrastructure As CodeKubernetesLLMML PlatformsPythonRetrieval-augmented GenerationTestingVector Stores
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- Market overviewState of tech hiring, September 2026: up 4.8%Tech hiring rose 4.8% month over month in September 2026, with 411,122 new listings. Customer support and account executive roles led the growth.