Senior Software Engineer, Data Platform
About The Position
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. Since Helion's founding in 2013, they have raised $1.5 billion from investors to propel them forward. Their current prototype, Polaris, has reached record-breaking plasma temperatures. Helion is continuing to iterate and on the path to the world's first fusion power plant, Orion. This is a pivotal time to join Helion, where you will tackle real-world challenges with a team that prizes urgency, rigor, ownership, and a commitment to delivering hard truths. Together, they will change the future of energy.
Requirements
- 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
Responsibilities
- 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.
- 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 the 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 SLA with the rest of the company, and prevent data issues from stalling 24/7 production schedules.
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
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What This Job Offers
Job Type
Full-time
Career Level
Senior
