Helion · 21 hours ago
Senior Software Engineer, Data Platform
Everett, WA
Full-time
Onsite
Senior Level, Lead/Staff
$241K/yr - $255K/yr
8+ years expHelion is a fusion power company based in Everett, WA, with the mission to build the world's first fusion power plant. The Senior Software Engineer, Data Platform will design, develop, and operate a secure and efficient data platform to support various business functions and enhance operational growth.
EnergyEnvironmental EngineeringRenewable Energy
Responsibilities
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
Qualification
Required
Bachelor's degree in computer science or a related field
8+ years of software and/or data engineering experience building and operating large-scale, distributed data systems
Hands-on experience with modern data storage and processing technologies (e.g., Kafka, Postgres, blob storage, Flink, dbt, Iceberg)
Expertise in Python and SQL; experience with other languages like Java, Scala, or Go
Cloud-native experience in Azure, AWS, and/or Google Cloud, using container orchestration technologies like Docker, Kubernetes, and infrastructure-as-code tools like Terraform
Familiar with DevOps best practices, using version control (Git), CI/CD (e.g., Buildkite, GitHub Actions), and monitoring and alerting (e.g., Prometheus, Grafana, Datadog)
Experience with AI/ML, including LLMs and MCP servers
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
Company
Helion
We are 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.
201-500 employees
H1B Sponsorship
Helion has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2024 (1)
2023 (2)
2022 (1)
2021 (1)
Funding
Current Stage
Late StageTotal Funding
$1.04BKey Investors
Nucor CorporationSam AltmanDustin Moskovitz
2025-01-28Series F· $425M
2023-09-27Corporate Round· $35M
2021-11-05Series E· $500M
Leadership Team
David Kirtley
Founder and CEO
Chris Pihl
Co-Founder, CTO
Recent News
2025-12-24
Crunchbase News
2025-12-18
Crunchbase News
2025-12-17
Company data provided by crunchbase