Senior Software Engineer, Data Platform Everett, WA

We are a fusion power company based in Everett, WA, with the mission to build the worlds first fusion power plant, enabling a future with unlimited clean electricity. Our vision is a world with clean, reliable, and affordable energy for everyone.

Since Helions founding in 2013, we have raised over $1 billion from long?time investors such as Sam Altman, Mithril, and Capricorn Investment Group as well as new investors SoftBank and Lightspeed to propel us forward. Our last prototype, Trenta, completed 10,000 high?power pulses and reached plasma temperatures of 100 million degrees Celsius (9 keV). We are now operating Polaris, our next prototype on the path to the worlds first fusion power plant.

This is a pivotal time to join Helion. You will tackle real?world challenges with a team that prizes urgency, rigor, ownership, and a commitment to delivering hard truths values essential to achieving what no one has before. Together, we will change the future of energy, because the world cant wait.

What you will be doing

You will design, develop, and operate a secure, scalable, reliable, and efficient platform to facilitate the flow of data between internal and external systems supporting mechanical and electrical engineering, supply chain, inventory, manufacturing, and finance. This is a high?impact, high?visibility role : together with a cross?functional team owning business critical applications, you will multiply the impact of many other teams across the company. You will report directly to our VP of Engineering at our Everett, WA office.

You will :

• Design and develop large?scale, batch and real?time data pipelines, ELT processes, data warehouses, and data lakes, both on prem and in the cloud
• Scale our data platform to support operational growth from millions of parts per year to millions per day
• Monitor and continuously improve the performance and reliability of data connections and their impact on up?and?downstream systems, using best?in?class observability tools
• Ensure data quality and governance by managing metadata like schemas, lineage, and access control
• Collaborate with other software engineers, data analysts and scientists, other engineering disciplines, non?engineers, leadership, and vendors to understand data requirements and deliver solutions
• Stay current with emerging data technologies while recommending battle?tested right?fit solutions that align with strategic goals
• Participate in on?call rotations to maintain our SLA with the rest of the company, and prevent data issues from stalling 24 / 7 production schedules

Required Skills :

Total Compensation and Benefits

Helions compensation package includes a competitively benchmarked base salary, meaningful equity grants, and comprehensive benefits. Final compensation is determined through a holistic evaluation of your experience, qualifications, and our commitment to internal equity ensuring fairness and transparency across our teams. We are committed to fostering a fair and equitable environment in every aspect of our operations, including compensation.

Annual Base Pay

$241,000 $255,000 USD

Benefits

Helion is an equal opportunity employer and values diversity at our company. We do not discriminate based on race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status. If you need assistance or an accommodation during the interview process, please let us know.

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