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Ruby Rails Developer Jobs in San Francisco, CA (NOW HIRING)

As an Engineer at Ascend, you'll be part of a small but growing team focused on solving complex ... Contribute to user-facing projects using Ruby on Rails and Next.js * Partner with product managers ...

As a senior engineer, you'll be one of the leaders of the team, helping to mentor junior engineers ... Proficient with Ruby/Rails, Javascript, React.js, Next.js , Node.js * Experience building API ...

Stack Rails API (Ruby), Postgres, REST. React on the web, Flutter on mobile. AWS. What You'll Do ... We engineer the agent loop itself - skills, prompts, review pipelines. We invest in the dev ...

Our Front End Engineering team is using cutting edge technologies like AngularJS, React-Native, and Ruby on Rails. We need best-in-class Front End engineers to help us build new products and scale ...

Our Front End Engineering team is using cutting edge technologies like AngularJS, React-Native, and Ruby on Rails. We need best-in-class Front End engineers to help us build new products and scale ...

Ruby on Rails API hosted on Heroku * Next.js with TypeScript hosted on Vercel * Tailwind CSS across all frontend development * Postgres and Redis for storage * Continuous integration and delivery ...

Ruby (Rails), Typescript, Elixir (Phoenix), and Python. Web : VueJS, Tailwind. Storage : Postgres, Redis, Elasticsearch, Firestore, and Snowflake. Joys of programming at Padlet We have very few ...

As an Engineer at Ascend, you'll be part of a small but growing team focused on solving complex ... Contribute to user-facing projects using Ruby on Rails and Next.js * Partner with product managers ...

As an Engineer at Ascend, you'll be part of a small but growing team focused on solving complex ... Contribute to user-facing projects using Ruby on Rails and Next.js * Partner with product managers ...

You should be a passionate developer who wants to make a major impact at an early-stage startup ... Must Have * 5+ years of experience in designing and building software using Ruby on Rails * Strong ...

You should be a passionate developer who wants to make a major impact at an early-stage startup ... Must Have 5+ years of experience in designing and building software using Ruby on Rails Strong ...

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Ruby Rails Developer information

See San Francisco, CA salary details

$30K

$143.9K

$202.1K

How much do ruby rails developer jobs pay per year?

As of Aug 19, 2026, the average yearly pay for ruby rails developer in San Francisco, CA is $143,871.00, according to ZipRecruiter salary data. Most workers in this role earn between $120,800.00 and $165,500.00 per year, depending on experience, location, and employer.
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Infographic showing various Ruby Rails Developer job openings in San Francisco, CA as of August 2026, with employment types broken down into 83% Full Time, and 17% Contract. Highlights an 67% In-person, and 33% Remote job distribution, with an average salary of $143,871 per year, or $69.2 per hour.

Senior Software Engineer

Ascend

San Francisco, CA • On-site

$200K - $250K/yr

Full-time

Re-posted 25 days ago


Choice Hotels rating

4.9

Company rating: 4.9 out of 10

Based on 97 frontline employees who took The Breakroom Quiz

92nd of 108 rated hotels


Job description

Your Role

Ascend is seeking a Senior Software Engineer to join our team on-site in San Francisco to help expand our core product. As an Engineer at Ascend, you'll be part of a small but growing team focused on solving complex technical challenges using Ruby. You'll also interface directly with our customers and work cross-functionally to develop new product features, dashboards, and checkout processes-without any layers.

Responsibilities Will Include

Objective #1: In your first 30 days:

  • Understand Ascend's platform, product, and customer workflows by collaborating with team members and engaging with customers
  • Contribute to user-facing projects using Ruby on Rails and Next.js
  • Partner with product managers and designers to solve customer challenges directly

Objective #2: In your first 60 days:

  • Take ownership of end-to-end features that process millions in insurance premiums using Ruby on Rails
  • Build intuitive UIs with Next.js to power financial operations
  • Develop internal tools to streamline customer workflows
  • Maintain high product quality through proactive monitoring and continuous improvements

Objective #3: In your first 90 days and beyond:

  • Collaborate with customers to translate their needs into scalable solutions for the multi-trillion-dollar insurance industry
  • Develop the industry's leading point-of-sale system for insurance, enabling seamless payments and improving conversion rates
  • Automate back-office tasks with AI, reducing time and improving accuracy for accounting teams
  • Help shape technical architecture and processes as the platform scales
  • Mentor engineers through thoughtful code reviews and technical guidance
Must Have
  • 4+ years of experience as a Full Stack or Backend Engineer
  • 2+ years working in a growth-stage startup
  • Experience with relational databases
  • Experience building and scaling consumer products
  • A strong desire to learn new skills and solve business problems
Nice to Have
  • Familiarity or interest in learning Ruby on Rails and Next.js
  • Familiarity with building external APIs and integrations with platforms such as Salesforce
  • Experience in building payment, checkout, or insurance products
Tech Stack & Processes
  • Ruby on Rails API hosted on Heroku
  • Next.js with TypeScript hosted on Vercel
  • Tailwind CSS across all the frontend
  • Postgres and Redis for storage
  • Continuous integration and delivery
Base Salary Range: $200,000-$250,000

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