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Published 2025-07-17

Senior software engineer


Company details

Company: Stell
Type de job: Remote
Country: England
City: London
Experience: 4 years or more



Description of the offer


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Stell Engineering, Inc

Early stage start-up – $7M+ in VC funding

Must be US citizen or green card holder (due to ITAR restrictions)

Team of aerospace veterans with deep supplier quality engineering expertise: Raytheon, Airbus, Anduril, Hadrian, Palantir, SpaceX, Mission Control

Base salary range $160-$180k + equity

We are actively hiring for this position, start date is ASAP

About Stell

Stell helps engineers at hardware companies in heavily-regulated industries (Space, Aviation, Medical Devices) do documentation and tracking of technical contract compliance.

Stell’s key innovations are (1) a user-interface for building text-rich documentation while enabling the complex linking needed to describe hardware systems, and (2) secure collaboration on technical contracts, replacing email and PDFs for our customers and their customers.


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Stell’s simple yet powerful interface makes collaboration across internal teams and external partners (like suppliers) fast – so you can supercharge your engineering projects ⚡

 https://www.stell-engineering.com/

In this Senior Software Engineer role you will:

  • Architect, develop, deploy, and maintain mission-critical enterprise web applications with high availability
  • Collaborate with CEO and Head of Engineering to define technical roadmaps, implement system architecture patterns, and establish engineering best practices
  • Partner with aerospace and defense sector clients within AWS GovCloud environments, ensuring FedRAMP compliance and NIST security standards
  • Develop proof-of-concept implementations to evaluate technology viability, conduct performance benchmarking, and assess technical debt tradeoffs
  • Drive architecture, design, and code reviews, mentoring junior engineers and influencing critical technical decisions
  • Work across our databases, API, client codebases, and infrastructure

This may be a good fit if you have:

  • 5+ years of professional software development experience with significant exposure to enterprise-scale distributed systems
  • A proven track record building and scaling web applications capable of handling concurrent users and high transaction volumes
  • Experience employing domain-driven design principles and solving complex technical challenges with appropriate design patterns
  • Proficiency in React ecosystem, component optimization techniques, and front-end performance tuning
  • Experience integrating and fine-tuning large language models (transformers) via APIs and implementing prompt engineering techniques
  • Experience with AWS GovCloud, including IAM policies, VPC architecture, and security group configuration
  • Experience writing infrastructure as code using Terraform modules
  • Experience configuring and managing Kubernetes clusters, including deployment strategies, service mesh implementation, and resource optimization

Preferred Qualifications:

  • Early stage start up experience
  • Familiarity with DevOps practices
  • Strong understanding of security best practices and secure coding principles
  • Excellent communication skills and the ability to work effectively in a collaborative environment

What Stell brings to the table:

  • Flexibility and autonomy at work in a hybrid work environment – we have offices in LA in SF and value our in-person culture, meaning we expect the team to be on-site 3 days a week
  • Mission to support Aerospace and US Manufacturing – we exist to serve hardware engineers developing and building some of the most important tech in our time (rockets, satellites, drones!)
  • Sizable equity as part of the compensation package- you become an owner of this company
  • Competitive salary
  • Healthcare, vision, dental


Location of employment





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