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Role description

Backend Engineer

Luminary logoLuminary
TypeFull-time
WorkplaceOn-site
SenioritySenior
LocationSan Mateo, CA
Posted5/8/2026
Engineering

Key Duties, Responsibilities, and Deliverables

  • Working with a team of backend & infrastructure devs, leading by being hands on, providing technical guidance, mentorship, and fostering a collaborative and innovative work environment.
  • Architect, design, and develop robust and scalable backend systems and APIs, ensuring high performance, availability, and data integrity.
  • Implement and oversee best practices for code quality, maintainability, and security in backend development.
  • Work closely with cross-functional teams within engineering and across the organization, to ensure the successful delivery of features and products.
  • Delivering software with quality and enterprise readiness 
  • Lead efforts to enhance infrastructure, including containerization, orchestration, and cloud-based solutions (GCP preferred), to support our applications' growth.
  • Collaborate with security experts to develop and maintain a strong security posture, implementing measures to protect against threats and vulnerabilities.
  • Create and maintain documentation for system architecture, infrastructure, and security practices.
  • Implement and oversee strategies for scalability and performance optimization, ensuring our systems can handle increased loads.

Expertise and Qualifications

  • Have a strong 10+ years of building highly performant, scaleable, distributed systems (or equivalent experience).
  • Need proven expertise building Kubernetes based applications and should have deployed and managed them in production
  • Proven experience as a backend developer or software engineer, with a strong focus on designing and implementing scalable saas systems.
  • Demonstrated experience in leading and mentoring a team of developers.
  • Expertise in cloud infrastructure and SRE practices.
  • Demonstrated delivering enterprise grade software with a focus on quality and supportability
  • Strong understanding of security principles and practices, including data encryption, authentication, and authorization mechanisms.
  • Experience in implementing scalability solutions, such as load balancing, auto-scaling, and caching strategies.
  • Familiarity with CI/CD pipelines and testing methodologies.
  • Excellent problem-solving and communication skills.
  • A passion for staying up-to-date with the latest technologies and trends in backend development, infrastructure, and security.

Background and Experience

  • SaaS Platform Expertise: Proven experience in designing, developing, and scaling SaaS platforms. 
  • Technical Leadership: Demonstrated experience as a technical leader in previous roles, showcasing your ability to lead and mentor a team, set technical direction, and drive successful project outcomes.
  • Adaptability: The capability to quickly adapt to new technologies and methodologies as the tech landscape evolves.
  • Teamwork and Communication: Strong interpersonal and communication skills, enabling effective collaboration with cross-functional teams, clear articulation of technical concepts, and mentorship of junior team members.
  • Entrepreneurial Spirit: An entrepreneurial mindset that thrives in a dynamic, rapidly evolving environment (preferably at a startup) and is enthusiastic about driving innovation and growth.

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Company info

Luminary logo

Luminary

Series BAI-product
Funding
  • Series B · $72M · Sep 15, 2025
Investors
N47
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