Principal Engineer


San Francisco, CA, US
  • Job Type: Full-Time
  • Function: Engineering Software
  • Post Date: 04/27/2021
  • Website:
  • Company Address: , San Francisco, CA

About Modsy

Modsy allows you to see inspirational designs and decor within the context of your own home. Sparked by a lifelong passion for the intersection of design and technology, the idea is being brought to life by a diverse and talented team of engineers, artists, designers and creators who are re-imagining the way we design our homes.

Job Description

Modsy is a fast growing startup reinventing the way we design and shop for our homes. Leveraging ground-breaking 3D technology and a seamless consumer experience, Modsy guides you through a few simple steps to capture, redesign, and transform your home. With over $71M in funding, the future of home design and furniture buying is changing and Modsy is leading the way. Promoting inclusion and diversity is a core value, and we believe our diverse set of voices and perspectives on our team empowers us to build the best product for our customers.
As a Principal Engineer / Software Architect you will be responsible for the backend infrastructure that powers Modsy.  We work on a modern stack that needs to be reliable and scalable and meet our demanding 3D rendering challenges. Help innovate and grow our platform to reinvent how customers visualize, design and purchase for their home. 


    • Set technical direction for our backend
    • Scope out and implement infrastructure initiatives in support of our customer, marketplace and 3D experiences
    • Partner across the team to solve hard problems like swapping in 3D products in a render in near real time, scaling to handle millions of 3D renders, setting up services for scene reconstruction and other machine learning, powering our marketplace
    • Research and choose new technologies, and design how technologies will work together
    • Consider implications for reliability, scalability, operational costs, ease of adoption by organization and make appropriate tradeoffs
    • Strive for simplicity, and reduce complexity
    • Consistently deliver on time and with high quality

About You

    • You love solving hard problems and tackling a variety of different projects
    • You are a thought leader and problem solver
    • You can communicate a direction on technology investments while thinking realistically about investment and tradeoffs
    • You are a great partner.  You work to clarify ambiguity and drive projects to completion
    • You are a role model for other engineers.  You promote a positive engineering culture and best practices

You Have

      • 10+ years of experience in a backend developer role
      • Experience with the following technologies
Required experience:
      • Amazon Web Services (AWS) - ECS, SQS, CloudFrontMySQL or PostgreSQL
Desirable experience:
    • Tiered caching strategies leveraging services such as Fastly, Redis, DynamoDB, etc. 
    • AWS management and cost optimizations
    • DevOps tools such as Packer, Ansible
    • Stress testing strategies - SPOF identification and eradication
    • Search optimization w/Elasticsearch
    • Python
    • Django
    • Massively parallelized and compute intensive cloud services - e.g. rendering millions of CGI images monthly
    • Startup experience
Working at Modsy
Headquartered in San Francisco, we have offices around the globe, from Portland to Bulgaria. We are proud to have an incredibly connected team of fun, bright employees whose voices are valued, careers are supported, and where transparency and excitement about what we do is key to our success.
Our San Francisco office is within walking distance to great food, great coffee, great shopping, and more. Modsy is proud to go above and beyond in how we take care of our staff, from competitive salary and equity to generous, top-notch healthcare and time off benefits, schedule flexibility, and cool perks like commuter reimbursement, free design packages, and even retail merchandise discounts of up to 40%!
How to Apply
Please submit your resume online with a cover letter stating: 1) why you’re interested in working for Modsy in particular; 2) how you meet each of our requirements and “nice to haves” (to do this, please copy/paste them and put a response after each); and 3) a link to your Github or other code samples, if available. We are moving quickly, so expect to receive a response from our recruiter within 48 hours of your application.

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Disclaimer: Local Candidates Only
This company does NOT accept candidates from outside recruiting firms. Agency contacts are not welcome.