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Product Engineer, Backend

Plasmidsaurus

Salary not specified
Oct 15, 2025
South San Francisco, CA, US
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Plasmidsaurus is looking to accelerate new cures and promote a healthier planet by unlocking a new level of productivity for scientists who use DNA tools to bring their ideas to life. The company aims to build backend services that power their impact on the biotech ecosystem.

Requirements

  • Experience with REST API best practices (such as OpenAPI) and designing service-oriented architectures
  • Experience with SQL and data modeling in relational databases
  • Experience with full-stack Python web frameworks like Flask or Django
  • Some familiarity with modern frontend javascript frameworks (React, Vue, Svelte)
  • Experience working in AWS (ECS, Lambda, Batch, RDS, StepFunctions) and infrastructure-as-code best practices
  • Experience building distributed systems with task queues (such as Celery and SQS)
  • Experience with modern unit and integration testing frameworks for Python

Responsibilities

  • Building REST APIs that allow our customers to seamlessly integrate their DNA sequencing results into their lab notebooks
  • Developing services and integrating APIs for our blazing fast operations, coordinating our couriers, labs, and robots around the world
  • Building robust payment services to streamline billing, invoicing, and product pricing
  • Building high performance backend services to process terabytes of sequencing data per day, powering our frontend bioinformatics analytics tools.

Other

  • 3+ years of industry experience
  • Enjoys high agency and high ownership work
  • Is curious about learning from other people’s expertise in scientific/biological domains
  • Is excited to make an impact on the scientific community, enabling the next generation of medicines, biotechnology, and even plant-based-meats!
  • Can lead projects from idea to production independently