Software Developer - Internal Systems & AI Integration

Bellevue, Washington, United States | IT | Full-time

Apply by: April 1, 2026
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TITLE:  Software Developer - Internal Systems & AI Integration

LOCATION:     Bellevue, WA

TerraPower is a nuclear technology company based in Bellevue, Washington. At its core, the company is working to raise living standards globally through a more affordable, secure, and environmentally friendly form of nuclear energy along with innovations in medical isotopes to improve human health. In 2006, TerraPower originated with Bill Gates and a group of like-minded visionaries who evaluated the fundamental challenges to raising living standards around the world. They recognized energy access was crucial to the health and economic well-being of communities and decided that the private sector needed to take action and create energy sources that would advance global energy deployment. TerraPower’s mission is to be a world leader in new nuclear technologies, while developing innovators and future leaders in the nuclear field. As a result, the company’s activities in the fields of nuclear energy and related sciences are yielding significant innovations in the safety and economics of nuclear power, hybrid energy and medical applications – all for significant human health benefits.

TerraPower is seeking to hire highly motivated and forward-thinking professionals who are interested in focusing on advanced nuclear reactor research and development and influencing change within the nuclear power landscape and bringing forward the critical production of medical isotopes.  TerraPower is an Equal Opportunity Employer. We do not discriminate in hiring on the basis of sex, gender identity, sexual orientation, race, color, religious creed, national origin, physical or mental disability, protected Veteran status, or any other characteristic protected by federal, state, or local law. In addition, as a federal contractor, TerraPower has instituted an Affirmative Action Plan (AAP) in an effort to proactively recruit, hire, and promote women, minorities, disabled persons, and veterans.

Software Developer - Internal Systems & AI Integration

We are seeking a talented Software Developer to join our internal development team and help build the tools and systems that power our operations. In this role, you'll work on diverse projects that directly impact our organization's efficiency and capabilities, from data management platforms to AI-powered automation solutions. Your responsibilities will include identifying new opportunities to enhance workflows through software tools, maintaining documentation for existing applications, and providing technical support to resolve issues. You will work daily toward the goal of empowering TerraPower’s operations with innovative software solutions, recognizing your work is critical to the company’s mission of safe and reliable nuclear power. A successful candidate will demonstrate integrity, awareness, and adaptability working in a diverse team with frequently shifting priorities.

Key Responsibilities:

    Build safe, efficient, and reliable software systems which will include:

o    Web-based applications for collecting, organizing, and managing critical business data

o    Intelligent systems that connect AI capabilities with our existing source systems and workflows

o    Solutions that streamline and automate internal workflows, reducing manual effort and improving accuracy

    Strict adherence to SDLC and established internal software development and project management procedures, many of which are based on nuclear and international standards

    Work collaboratively with cross-functional teams to discuss product development and identify tools that improve processes

    Collaborate closely with subject matter experts to gather insights and domain knowledge for effective solutions

    Optimize software workflows and implementations based on user feedback

    Stay up to date with the latest developments in software engineering and related technologies

    Use tools such as Excel and analysis software to evaluate the efficiency of internal processes

    Ensure efficient use of various state-of-the-art tools deployed in TerraPower’s Azure tenant infrastructure and onprem including DevOps tooling

Required:

    Bachelor’s degree in computer science or a related field

    5+ years of experience in developing and deploying web applications

    Strong proficiency with React.js, JavaScript, Python, C#, and Node.js

    Experience working with Azure Web Apps and Azure Functions

    Experience working with GitHub Enterprise, GitHub Actions, Azure DevOps, etc.

    Demonstrated experience in UI/UX engineering

    Intuitive understanding of cloud computing (containerization, Kubernetes, etc.) and cloud networking (virtual networks, firewalls, etc.) in the Azure ecosystem.

    Ability to quickly learn the fundamentals of modern software development architectures

    Experience with RESTful APIs and database design

    Strong problem-solving and analytical abilities

    Ability to work independently and collaboratively within a team, and implement feedback quickly

    Excellent communication skills

    Ability to gather requirements and translate business needs into technical solutions

Preferred:

    Experience working with Azure Cosmos DB, Azure AI Search and Azure AI Foundry

    Experience working in highly regulated industries (financial services, healthcare, energy, etc.)

    Familiarity with AI/ML integration and API consumption

    Understanding of compliance requirements and audit readiness in highly regulated industries

Job Functions:

Job Functions are physical actions and/or working conditions associated with the position.  These functions may also constitute essential functions for the job which the employee must be able to fulfill, with or without accommodation.  Information provided below is to help describe the job so that the applicant has a reasonable understanding of the job duties/expectations.  An applicant's ability to perform and/or tolerate these actions and conditions will be discussed, and workplace accommodations may be made on a case-by-case basis following an individualized assessment of the applicant and other considerations, including but not limited to any governing safety standards.

    Motor Abilities: Sitting and/or standing for extended periods, bending/stooping, grasping/gripping, fine motor control (hands)

    Physical exertion and/or requirements: Minimal, with ability to safely lift up to 25 pounds

    Repetitive work: Occasional

    Special Senses: Visual and audio focused work

    Work Conditions: Stairs, typing/keyboard, standard and/or sitting working environment of >8 hrs./day

    Travel required: 0-10%

TerraPower’s technology is controlled for export by various agencies of the U.S. Government.  TerraPower must evaluate applicants who are foreign nationals (other than asylees, refugees, or lawful permanent residents) in accordance with U.S. Government export control requirements.  To facilitate TerraPower’s export control reviews, you will be asked as part of the application process to identify whether you are a U.S. Citizen or national, asylee, refugee, or lawful permanent resident of the United States.  Government export authorization approval times vary.  Based on business needs for a particular position, TerraPower may not consider a foreign national from a country if it is impracticable to obtain timely Government export approval.

Job details:

Salary Range Level 10: $117,922 - $176,833

* We typically place offers in the lower to middle portion of the range to maintain internal equity and allow room for growth. Any salary offered within the posted salary band is based on market data and commensurate with the selected individual’s qualifications experience.  This range is specific to Washington State.

Benefits:

    Competitive Compensation

    Salary, eligible to participate in discretionary short-term incentive payments

    Comprehensive Medical and Wellness Benefits for family or individual

         Vision

        Dental

         Life

         Life and Disability

         Gender Affirmation Benefits

         Parental Leave

    401k Plan

    Generous Paid Time Off (PTO)

         21 days of annually accrued PTO

    Generous Holiday Schedule

         10 paid holidays

    Relocation Assistance

    Professional and Educational Support Opportunities

    Flexible Work Schedule

TerraPower Career and Benefits information:  https://www.terrapower.com/contact-us/careers/