Staff Backend Software Engineer

Lumafield

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profile Job Location:

San Francisco, CA - USA

profile Monthly Salary: Not Disclosed
Posted on: 4 hours ago
Vacancies: 1 Vacancy

Job Summary

About Lumafield:

Lumafield was founded in 2019 to upgrade manufacturing.

We are engineers with deep experience across the product development cycle from initial ideas to shipping hardware across industries and specializations who became frustrated by the cost and complexity of modern manufacturing. So we decided to upgrade it.

Engineers make million-dollar decisions every day and they need tools that give them the greatest possible insight into their products. By offering unprecedented visibility into products as well as AI-driven tools that highlight problems and generate quantitative data Lumafield promises to revolutionize the way complex products are created manufactured and used across industries. We started with industrial CT scanning which for us was the most valuable but underutilized tool in the manufacturing toolbox enabling us to rapidly inspect essential components non-destructively.

We rebuilt the whole system from X-ray capture to computer vision analysis to web-based collaboration to the entire business model making the most advanced manufacturing tech more accessible to every industry. Our company like our platform is designed for upgrades. Were building for greater intelligence autonomy and speed. For deeper vision operational excellence and powerful insights. And then well upgrade it all again.

Lumafield is headquartered in Cambridge MA and has an office in San Francisco CA.

About the role:
On Lumafields Backend team you work on the core of our cloud platform from REST APIs through to massively parallelized data processing pipelines operating on our X-Ray and CT image data. We leverage Python in order to move quickly but ensure that were getting the most out of the language through usage of powerful frameworks and parallelism concepts. Our backend team also owns their code all the way through deployment; youll work to build your code into Docker containers and deploy them to our different environments including cloud Kubernetes clusters and on-premises servers.

What youll do:

    • Own backend architecture for cloud software supporting Neptune Triton and Voyager (services APIs persistence async processing storage and compute integrations).

    • Design build and operate scalable Python backends (Django / DRF) Celery pipelines and REST APIs with strong reliability performance and observability.

    • Lead complex data-heavy workflows: uploads project/scan lifecycle recipe automation task orchestration and algorithm integration.

    • Architect AWS usage for backends: S3 RDS/Aurora/Postgres IAM networking; design SageMaker and related ML job flows (invocation data paths security failure modes cost) with ML and platform partners.

    • Coach and mentor engineering team members across the organization in architecture best practices and principles.

    • Collaborate closely with product managers and engineering leadership to align technical objectives with business deliverables.

    • Get your hands dirty and build expect to be hands-on and building regularly

About you:

  • Bachelors Degree in Engineering or a related field
  • 10 years of experience developing software mostly backend

  • Expert Python; 5 years shipping production backends (Django / DRF a strong fit).

  • Deep PostgreSQL and AWS data/storage (S3 RDS/Aurora); solid IAM and VPC-aware patterns

  • 5 years production AWS; practical SageMaker (or similar) for services you orchestrate not only notebooks.

  • Async systems: Celery Redis or equivalentqueues retries idempotency backpressure prod debugging

  • 2 years of startup experience

  • Owned architecture for complex cloud-hosted data-heavy products.

  • Demonstrated ability to coach and mentor engineering peers on architectural principles.

  • Experience designing for and complying with SOC2 ISO27001 ITAR and other security compliance frameworks and standards

Bonus points for:

  • Extensive experience with high-traffic data-intensive web applications.
  • Django Celery at meaningful scale.

  • Deep expertise in Kubernetes and AWS architecture security and optimization.

  • High-throughput or large-payload APIs and pipelines.

  • Regulated or export-controlled environments

$180000 - $225000 a year
The base salary range listed here represents the anticipated low and high end of the salary range for this position. Actual salaries may vary and may be above or below the range based on various factors including but not limited to work location experience and performance. All full time employees receive an equity grant.
We are unable to sponsor or take over sponsorship of employment visas at this time. All applicants must be legally authorized to work in the United States without current or future sponsorship.

Lumafield offers both competitive cash and equity compensation as well as a health & wellness stipend 401k parental leave flexible PTO commuter benefits company wide events and more!

Lumafield is committed to building a team that represents a variety of backgrounds perspectives and skills because the more inclusive we are the better our work will be. Do you feel like your skills dont meet every single requirement listed We encourage you to apply anyway If youre excited about our technology the opportunity and are eager to learn more wed love to hear from you!

In keeping with our beliefs and goals no employee or applicant will face discrimination or harassment based on: race color ancestry national origin religion age gender marital domestic partner status sexual orientation gender identity disability genetic information or veteran status.

Reach out if you want to be a part of what we are building.
We may use artificial intelligence (AI) tools to support parts of the hiring process such as reviewing applications analyzing resumes or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed please contact us.

Required Experience:

Staff IC

About Lumafield:Lumafield was founded in 2019 to upgrade manufacturing. We are engineers with deep experience across the product development cycle from initial ideas to shipping hardware across industries and specializations who became frustrated by the cost and complexity of modern manufacturing. S...
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About Company

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Accelerate product development with the Neptune industrial X-ray CT scanner, Voyager analysis software, and Atlas AI co-pilot for manufacturing.

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