Vistra
Posted 4mo ago

Lead Developer Python AI Gen

Vistra
Irving, Texas, United States
HybridFull Time
Responsibilities
  • Collaborate teams
  • Embed Generative AI into workflows
  • Design maintainable Python services
Requirements
  • 6–9 years of Python development
  • Strong GenAI/MLOps experience
  • Data-centric engineering
  • Cloud (AWS)
  • DevOps, containers, CI/CD
  • Focused on scalable Python services with AI integration
Technical tools mentioned
PythonAWSDockerKubernetesCI/CDEmbeddingsVector storeRetrieval-Augmented GenerationLLMsGenAI

Job description

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.

About Vistra

Integrated retail electricity and power generation.

Year founded
1882
Employees
6850
Organization type
Public
Latest investment
Raised $4.00B Debt Financing (2026)
Headquarters
US

Similar jobs

Lead Developer roles near Irving, Texas
3mo
Save
Mark Applied
Hide
Hyatt Place Dallas Grapevine - Engineer Lead
Grapevine, Texas, United States
OnsiteFull Time
Aimbridge Hospitality
Aimbridge Hospitality: Global third-party hotel management and operations.
High school diploma required; hotel/related field experience preferred; trade licenses preferred; valid driver’s license required; strong communication, problem-solving, and decision-making skills; ability to work unsupervised and handle basic arithmetic.
Electrical, Plumbing, HVAC, Carpentry, Maintenance management
3mo
Save
Mark Applied
Hide
Lead Engineer, Oobeo Platform
Dallas, Texas, United States
HybridFull Time
JustPark
JustPark: Parking technology serving drivers and businesses with space reservations, payments, and parking-management software.
8+ YOE2+ MgmtLead engineering team; oversee backend (Python/Django), frontend (React/React Native); own platform infra; mentor engineers; manage hiring; drive AI tooling adoption; hands-on coding.
Python, Django, Django REST Framework, PostgreSQL, React, TypeScript, React Native, Redis, AWS Elastic Beanstalk, Google Cloud Platform, CI/CD (CloudBees/ Jenkins/ GitHub Actions), Stripe, OAuth2, PCI DSS, Docker, Terraform
3mo
Save
Mark Applied
Hide
Lead Developer - Python , Gen AI
Irving, Texas, United States
HybridFull Time
Vistra
VistraNYSE: VST: Integrated retail electricity and power generation.
6+ YOE6–9 years software development with Python and Generative AI, cloud experience (AWS), data engineering, DevOps, and collaboration.
Python, AWS, Docker, Kubernetes, CI/CD, GenAI, Embeddings, Vector stores
3mo
Save
Mark Applied
Hide
Lead Developer - Python , Gen AI
Irving, Texas, United States
HybridFull Time
Vistra
VistraNYSE: VST: Integrated retail electricity and power generation.
6+ YOE6-9 years of Python software development; experience with Generative AI; cloud experience (AWS); DevOps (IaC, Docker/Kubernetes, CI/CD); data-centric engineering; strong collaboration and fast delivery.
Python, AWS, Docker, Kubernetes, CI/CD, GenAI, LLM, Embeddings, Retrieval-Augmented Generation
4mo
Save
Mark Applied
Hide
Lead Developer Python AI Gen
Irving, Texas, United States
HybridFull Time
Vistra
VistraNYSE: VST: Integrated retail electricity and power generation.
6+ YOE6–9 years Python software development; GenAI and AI integration; data engineering; cloud (AWS); DevOps; collaboration.
Python, AWS, Docker, Kubernetes, CI/CD, LLMs, Embeddings, Vector Stores
8mo
Save
Mark Applied
Hide
09 - Senior Lead Engineer, Test Manufacturing (Richardson, TX, US)
Richardson, Texas, United States
OnsiteFull Time
Celestica
CelesticaNYSE: CLS: Electronics manufacturing and supply chain solutions provider.
4+ YOEDesign, develop, and test strategies for production testing; lead test equipment installation; collaborate with design and sales; 4–6 years experience; bachelor's degree.
2mo
Save
Mark Applied
Hide
Elasticsearch Lead Engineer - SIEM Platform
Malvern or Charlotte or Dallas or Fort Worth
HybridFull Time
Vanguard
Vanguard: Global investment management firm owned by its client funds.
6+ YOE6+ years Elasticsearch experience, undergraduate degree or equivalent, expertise with ECS, AWS, data streaming and data lake integrations, infrastructure-as-code, security principles, and mentoring experience.
Elasticsearch, Elastic Common Schema (ECS), Kibana, AWS S3, Kinesis Data Streams, Lambda, CloudWatch, EC2, IAM, Secrets Manager, AWS CloudFormation, Apache Kafka, Confluent Platform, Apache Iceberg, Terraform, Ansible, CDK, Elastic Security / SIEM, ECK, Kubernetes
3mo
Save
Mark Applied
Hide
Lead Electrical Engineer
Dallas, Texas, United States
$103k-$171k/yr OnsiteFull Time
McKinstry
McKinstry: Full-service design-build-operate-maintain construction and energy services firm.
8+ YOEBachelor’s degree in engineering; eight years of engineering design experience preferred; Professional Engineer (PE) registration required; experience with AutoCAD and Revit; energy modeling preferred.
AutoCAD, Revit, Energy modeling, NEC codes