Lead Developer - Python , Gen AI

Posted 8 Days Ago
Be an Early Applicant
Irving, TX, USA
In-Office
Senior level
Energy
The Role
Build and maintain Python-based services that integrate Generative AI into enterprise data and ML platforms. Design, implement, and scale cloud-hosted solutions, mentor junior developers, ensure governance and security compliance, and evaluate emerging AI technologies to improve developer productivity and business value.
Summary Generated by Built In

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.

#LI-ND1

#LI-Hybrid

Job Family

Information Technology

Company

Vistra Corporate Services Company

Locations

Irving, Texas

Texas
We 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.

 

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

  • 6-9 years of professional software development experience with strong emphasis on Python.
  • Strong familiarity applying Generative AI capabilities (prompt design, RAG, embeddings, vector stores, agentic AI).
  • Data-centric engineering experience building services and tools within a data engineering organization.
  • Proven experience building and scaling software solutions in cloud environments (AWS preferred).
  • Experience with DevOps workflows, including Infrastructure as Code, containerization (Docker/Kubernetes), and CI/CD pipelines.
  • Ability to mentor and provide technical guidance to junior developers and offshore resources.
  • Partner with security, risk, and compliance to meet enterprise governance, privacy, and ethics standards.
  • Enthusiasm for staying current with AI trends and pragmatic ability to apply them.
  • AWS experience (preferred).
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The Company
HQ: Causeway Bay
1,186 Employees

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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