Senior Software Engineer (Dev Platform)
Join Proxima Fusion as a Senior Software Engineer to build and scale software infrastructure for stellarator design and optimization.
Posted by employer 4 months ago
First seen on Joblaze 1 month ago
Last verified on the company career page 9 hours ago
Skills & Technologies
Not disclosed in this posting: compensation, years of experience, work arrangement, visa sponsorship.
Joblaze summary
In this role, the Senior Software Engineer at Proxima Fusion focuses on building and scaling the software infrastructure that supports stellarator design and optimization. Key skills include expertise in cloud infrastructure management, DevOps practices, and proficiency in Python and Linux, particularly in data-intensive environments. This position is ideal for someone with a solid computer science background and experience in full-stack system design, especially within scientific or engineering contexts. Proxima Fusion's mission to develop commercial fusion power plants offers a unique opportunity to work alongside experts in a cutting-edge field.
Joblaze insights
- Listed about a month ago — first seen on Joblaze September 3, 2026. Last confirmed on Proxima Fusion's careers page October 27, 2026.
Quick facts
- What's the tech stack?
- Joblaze extracted these technologies from the posting: Dask, Docker, High-Performance Computing, Kubernetes, Linux, Python.
- What seniority level is this role?
- Proxima Fusion targets senior candidates for this position.
- Is this full-time or contract?
- Full-time for this Senior Software Engineer (Dev Platform) role at Proxima Fusion.
From the original posting
WHY JOIN PROXIMA FUSION
You will get to work on some of the most complex tech challenges to bring abundant, safe, clean energy to the world.
YOUR IMPACT
Build and scale the software infrastructure that enables exploration of the vast hyper-dimensional space of stellarator design
Develop the core data, compute, and analysis tooling used by teams across the company
Collaborate directly with fusion experts, engineers, and AI researchers to turn their workflows into robust infrastructure
Shape how software is developed at Proxima - practices, quality standards, and architecture
WHAT YOU WILL DO
Design and develop a platform that helps simulation, optimization and stellarator design teams to overcome their challenges and achieve their goals more efficiently.
Champion the Cloud Infrastructure Operations.
Manage general cloud infrastructure (including IaaC, permission management, and cloud efficiency).
Support the democratization of cloud computing (e.g. K8s, Ray, Dask, Docker, PEX).
Unify and streamline the development experience (including CI/CD, Devcontainers, and monorepos).
Improving observability.
Manage Distributed Computing and High-Performance Computing clusters for research, stellarator design and optimization.
Raise the bar in our cross-org DevOps practices and optimize our DORA metrics.
WHO YOU ARE
We’re seeking a software engineer with a strong foundation in computer science and an understanding or hands-on experience with DevOps, CloudOps, or Platform engineering practices.
Familiar with the development and management of scalable cloud infrastructure, ideally as used in science, ML or other data processing-heavy use cases.
Experienced in end-to-end/full-stack system design, ideally within an environment supporting physics, engineering, or AI teams.
Proficient in Python and Linux.
Driven to solve complex problems with simple solutions and a desire to contribute to clean energy.
INTERVIEW PROCESS
Recruiter Interview (30-60 min)
Meet the Team Lead (45 min)
Technical Interviews (3x60 min)
CEO call (30 min)
*This role sits at "L3" of our framework, please inquire during the recruitment process for further information.
Standard company text repeated across Proxima Fusion's postings is omitted here.