Senior Full-Stack Software Engineer Software company San Francisco, California $175k to $240k USD base a year Posted today

raydar; San Francisco (CA); Hybrid; USD 175,000 - 240,000; Full time

Benefits offered by this job

Health insurance

Dental coverage

Vision coverage

Wellness benefit

Meals in the office

Job summary

Raydar is seeking a Senior Full-Stack Software Engineer to own backend-leaning product features through the full lifecycle, collaborating with design, frontend, and cross-functional teams in a hybrid San Francisco setting.

You will write Python server-side code, design scalable APIs, and contribute to data processing workflows while building robust, reliable services. A product-minded, independent contributor with 3–10 years of experience is ideal.

Qualifications

• 3–10 years of software engineering experience.
• Hands-on full-stack or backend-leaning skills, including Python and JavaScript/TypeScript.
• Strong grounding in software architecture and API design, with scalable systems knowledge.
• Experience designing and consuming scalable REST APIs.
• Bachelor’s degree in CS or STEM field.
• Product-minded and independent work approach.

Responsibilities

• Write and maintain Python server-side code, including APIs, storage layers and data processing workflows.
• Take features from concept to launch, contributing on the frontend with design and frontend colleagues.
• Partner with research, deployment and product teams to deliver new functionality.
• Set up logging, alerting and automated test coverage to keep the system stable as usage grows.
• Contribute as part of a small, close-knit engineering group.

Skills

Python

JavaScript

TypeScript

REST APIs

Software architecture

Full-stack

Production systems

Education

Bachelor’s degree in CS or STEM

Job description

# Senior Full-Stack Software EngineerSoftware company* LocationSan Francisco, California* TypeFull-time* Posted27 October 2026Apply for this roleThe role, as published## About the companyOur client is a software company.## The roleRaydar is recruiting for this role on behalf of our client. Own backend-leaning product features for a software platform from initial idea through release. Work alongside design, frontend and other cross-functional teammates to deliver new capabilities and keep the system dependable as it grows.## What you'll do* Write and maintain Python server-side code, including APIs, storage layers and data processing workflows.* Take features from concept to launch, contributing on the frontend together with design and frontend colleagues.* **Partner with research**, deployment and product colleagues to deliver new functionality.* **Set up logging**, alerting and automated test coverage so the system stays stable as usage increases.* Contribute as part of a small, close-knit engineering group.## What we're looking for* **3 to 10 years** of software engineering experience, ideally at well-regarded, fast-moving technology companies.* Hands-on full-stack or backend-leaning skills, including Python and JavaScript or TypeScript.* Solid grounding in software architecture and API design, with knowledge of scalable system design and running services in production.* Experience designing and consuming scalable REST APIs.* A bachelor's degree in computer science or a STEM-related field.* A product-minded approach and the ability to work independently.* Health, dental and vision coverage* Wellness benefit* Meals in the office## Location and work model* San Francisco, CA, United States (preferred) or New York City, NY, United States* Hybrid, 3 days per week in the office* Full-time## Compensation, as the posting describes it* Equity* Retirement plan with company matchPay$175k to $240kUSD base a year