Climate & Environment Full-time

Senior Software Engineer, Full stack

Helion

Location

Everett, WA

Type

Full-time

Posted

Dec 20, 2025

Compensation

USD 241000 – 255000

Mission

What you will drive

Core responsibilities:

  • Design, develop, and operate secure, reliable, scalable, and usable full-stack applications to optimize processes between mechanical and electrical engineering, supply chain, inventory, manufacturing, and finance
  • Integrate applications with internal data platform and external systems
  • Monitor and continuously improve system performance and reliability using observability tools
  • Collaborate with software engineers, data analysts, other engineering disciplines, non-engineers, leadership, and vendors to understand requirements and deliver solutions

Impact

The difference you'll make

This role multiplies the impact of many teams across the company by building business-critical applications that optimize processes between engineering, supply chain, manufacturing, and finance, contributing to Helion's mission of building the world's first fusion power plant for unlimited clean electricity.

Profile

What makes you a great fit

Required skills and qualifications:

  • Bachelor's degree in computer science or related field
  • 8+ years of software engineering experience building full-stack applications
  • Hands-on experience with modern web stacks (e.g., React, Next.js)
  • Expertise in HTML, CSS, TypeScript and a backend language like Go or Python
  • Cloud-native experience in Azure, AWS, and/or Google Cloud with container orchestration and infrastructure-as-code tools

Benefits

What's in it for you

Total compensation package includes competitively benchmarked base salary, meaningful equity grants, and comprehensive benefits:

  • Medical, Dental, and Vision plans for employees and their families
  • 31 Days of PTO (21 vacation days and 10 sick days)
  • 10 Paid holidays plus company-wide winter break
  • Up to 5% employer 401(k) match
  • Short term disability, long term disability, and life insurance
  • Paid parental leave and support (up to 16 weeks)
  • Annual wellness stipend

About

Inside Helion

Helion is a fusion power company based in Everett, WA, with the mission to build the world's first fusion power plant, enabling a future with unlimited clean electricity. Their vision is a world with clean, reliable, and affordable energy for everyone.