Principal Developer, Technology Services

TXU Retail Services Company; United States; On-site; USD 140,000 - 190,000; Full time

Job summary

Vistra in Irving, Texas seeks a Principal Developer to drive development and strategy across multiple platforms, shaping data delivery and system reliability. You will partner with business and technology users to understand processes, deliver data needs, and improve user experience.

The role emphasizes hands-on coding, architecture leadership, and mentoring teammates while advancing ITIL-aligned practices and enterprise initiatives. A strong test-driven approach is required.

Qualifications

• 12-15 years professional experience in a technology or business field.
• Professional certifications a plus (e.g., ITIL, CSM, AWS).
• Proven experience analyzing code for non-standard practices, errors, and security vulnerabilities and presenting remediation plans.
• Ability to approach development with a test-driven mindset utilizing well-structured unit tests.
• Experience delivering enterprise-wide initiatives across platforms.
• Strong collaboration, communication, and problem-solving skills.

Responsibilities

• Drive the maintenance of systems, creation of technical designs, development and deployment of front-end and/or back-end systems, integration of the data warehouse with enterprise applications, and/or implementation of user access controls and data security measures, where appropriate.
• Manage the creation and implementation of solutions or enhancements to improve overall Vistra data architecture; conduct research and make recommendations on new data management processes and innovations.
• Identify, evaluate, and implement automation and continuous improvement ideas supporting ITIL-aligned processes to address technical debt.
• Engage business users, process owners, architecture, and application teams to define and understand data and forecast needs to achieve key performance indicators and service level agreements that benefit Vistra and its objectives.
• Drive creation of policies, standards, guidelines and procedures that mitigate risk and optimize performance in order to ensure data is available, responsive, and achieving business outcomes and objectives.
• Approach development with a test-driven mindset utilizing well structured unit tests.
• Analyze code for non-standard practices, errors, and security vulnerabilities, and coach junior team members to improve and transform the code to optimize performance and ease of use.
• Manage delivery of enterprise-wide initiatives related to the platforms supported by the team.
• Apply the value drivers for Vistra to deliver innovative value creation ideas.
• Consult with managers and stakeholders to identify opportunities to increase the adoption and communication of TS processes through training and engagement.
• Apply understanding of financial principles, and demonstrate knowledge of industry-related and emerging technology to contribute to business case development for new ideas.
• Participate in agile ceremonies.
• Provide domain guidance to less experienced team members.

Skills

Java

Data Architecture

Team Leadership

Agile / Scrum

Security & Compliance

Tools

Oracle / DB2 SQL

Maximo

JavaScript

Python

Cloud (AWS)

Job description

Job Summary

The Principal Developer will be responsible for driving development and strategy for 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 leverage relationships with business and technology users to learn the business processes the applications support. They 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.

Key Accountabilities

• Drive the maintenance of systems, creation of technical designs, development and deployment of front-end and/or back-end systems, integration of the data warehouse with enterprise applications, and/or implementation of user access controls and data security measures, where appropriate.
• Manage the creation and implementation of solutions or enhancements to improve overall Vistra data architecture; conduct research and make recommendations on new data management processes and innovations.
• Identify, evaluate, and implement automation and continuous improvement ideas supporting ITIL-aligned processes to address technical debt.
• Engage business users, process owners, architecture, and application teams to define and understand data and forecast needs to achieve key performance indicators and service level agreements that benefit Vistra and its objectives.
• Drive creation of policies, standards, guidelines and procedures that mitigate risk and optimize performance in order to ensure data is available, responsive, and achieving business outcomes and objectives.
• Approach development with a test-driven mindset utilizing well structured unit tests.
• Analyze code for non-standard practices, errors, and security vulnerabilities, and coach junior team members to improve and transform the code to optimize performance and ease of use.
• Manage delivery of enterprise-wide initiatives related to the platforms supported by the team.
• Apply the value drivers for Vistra to deliver innovative value creation ideas.
• Consult with managers and stakeholders to identify opportunities to increase the adoption and communication of TS processes through training and engagement.
• Apply understanding of financial principles, and demonstrate knowledge of industry-related and emerging technology to contribute to business case development for new ideas.
• Participate in agile ceremonies.
• Provide domain guidance to less experienced team members.

Education, Experience, & Skill Requirements

• 12-15 years professional experience in a technology or business field.
• Professional certifications a plus (e.g., ITIL, CSM, AWS).
• Proven experience analyzing code for non-standard practices, errors, and security vulnerabilities and presenting detailed remediation plans.
• Ability to approach development with a test-driven mindset utilizing well-structured unit tests.
• Experience managing and delivering enterprise-wide initiatives related to the platforms supported by the team.
• Demonstrated ability to be trustworthy and dependable.
• Ability to learn quickly, be self motivated to improve knowledge and tackle new challenges.
• Superior organizational skills, communication skills, and attention to detail required.
• Skilled at creating executive-level communications and presenting to and interacting with leaders.
• Must demonstrate an energetic, hands‑on, enthusiastic, results‑oriented approach as a team player, capable of adding significant value to the existing team.
• Must be comfortable sharing ideas and finding innovative ways to resolve challenges.
• Proven ability to build support among peers and create relationships with peers and stakeholders.
• Proactively seek learning opportunities to develop better understanding of department and enterprise goals.
• Experience gained through college degree programs and/or certifications is applicable to the above skills.

Key Metrics

• System availability
• Process compliance
• Data availability
• Data quality
• Agile delivery proficiency
• Ticket volumes and trending

Key Technologies

• Application Development
• Application Integrations
• Java (Programming Language)
• Oracle / DB2 SQL
• Software Development Web Application Development
• Web Development JavaScript Python Maximo

Job Family Information

Information Technology Company Vistra Corporate Services Company Locations Irving, Texas Texas

Our Values

We are a company of people committed to: Exceeding Customer Expectations, Great People, Teamwork, Competitive Spirit and Effective Communication.

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 [e-mail] to make a request.

Vistra (NYSE: VST) is a leading Fortune 500 integrated retail electricity and power generation company based in Irving, Texas, that provides essential power resources to customers, businesses, and communities from California to Maine. Vistra is the largest competitive power generator in the U.S., with a capacity of approximately 41,000 megawatts, or enough to power 20 million homes, operating in all of the major competitive wholesale markets in the country. Vistra is a leader in the energy transformation and expansion with an unyielding focus on reliability, affordability, and sustainability, powered by a diverse portfolio that includes natural gas, nuclear, coal, solar, and battery energy storage facilities. The company continues to grow its zero-carbon resources, operating the second-largest fleet of competitive nuclear power plants in the country, substantial battery energy storage capacity, and a growing number of solar facilities. Vistra is one of the largest competitive electricity providers in the country and takes an innovative, customer‑centric approach to retail, offering solutions to meet customers’ needs, including more than 50 renewable energy plans. Through its family of retail brands, Vistra serves approximately 5 million residential, commercial, and industrial retail customers. As a leader in the responsible transformation of the country’s energy supply, Vistra has made significant progress towards its 2030 and 2050 targets. The company has committed to a 60% reduction of Scope 1 and 2 greenhouse gas emissions by 2030, as compared to our 2010 baseline, and net‑zero carbon emissions by 2050, assuming necessary technological advancements and public policy incentives are achieved. Learn more about our environmental, social, and governance efforts and read the company’s sustainability report at https://vistracorp.com/sustainability/. Vistra’s hardworking team is committed to its purpose, "lighting up lives, powering a better way forward" and is guided by four core principles: we do business the right way, we work as a team, we compete to win, and we care about our stakeholders, including our customers, our communities where we work and live, our employees, and our investors. Learn more about how Vistra is powering a better way forward at vistracorp.com. Come join us and be part of something special!