Senior Software Engineer, Full Stack

Role

We’re looking for a Senior Full Stack Software Engineer to join our fast‑growing team at Pro Rata, where we’re striving to create a fairer digital ecosystem. You’ll play a key role in the development of both the frontend and backend systems that power the Gist Console, a core platform in our partner experience. You’ll collaborate across engineering, product, and design to build scalable, high‑quality features with a focus on performance, usability, and impact.

If you thrive on solving challenging problems and are excited about creating a fairer digital ecosystem, we’d want to hear from you!

This is an in‑office role at our location in Bellevue, WA.

• Design, build, and maintain scalable and secure web applications using Next.js, Type Script, SQL, and CSS
• Develop and maintain integrations with backend services and APIs
• Lead and participate in architectural decisions, code reviews, and technical discussions
• Partner with designers to bring UI/UX designs to life with high fidelity and performance
• Continuously optimize frontend and backend performance for speed, scalability, and reliability
• Own features end‑to‑end (from concept to deployment and support)
• Contribute to improving engineering best practices and team processes

• 5+ years of professional software engineering experience
• Strong proficiency in Type Script, React, Node.js, Next.js, SQL, and modern CSS
• Solid understanding of frontend architecture and state management
• Experience with databases like Postgre
  
  SQL, Mongo
  
  DB, or Open Search
• Familiarity with REST APIs and backend service development
• Comfort diagnosing performance bottlenecks and debugging complex issues
• Experience collaborating with cross‑functional teams in a fast‑paced environment
• Strong understanding of UX principles, accessibility, and responsive design
• Ability to translate designs from tools like Figma into clean, production‑ready code
• Excellent communication and analytical skills
• Passion for Pro Rata’s mission

• Experience with Python and training AI models for LLMs
• Familiarity with CI/CD pipelines and developer tooling

Location:

This position is Onsite. This role is based at our Bellevue, WA office location, and employees are expected to work on‑site during regular business hours.

The compensation for this position will be competitive and commensurate with experience. The estimated salary range for this role is 160,000 – 200,000 USD.

• Opportunity to work at the forefront of AI technology
• Collaborative and innovative work environment
• Competitive salary and benefits package
• Professional development and growth opportunities
• Chance to make a significant impact on the company’s success

Pro Rata is an Equal Opportunity Employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. All employment decisions are made based on qualifications, merit, and business needs.

• At‑Will Employment:
  Employment at Prorata
  
  AI is at‑will. This means that either the employee or the employer may terminate employment at any time, with or without cause or prior notice.
• Salary Disclosure:
  In compliance with California law, salary information is provided to ensure transparency and fairness.
• California Consumer Privacy Act (CCPA):
  Prorata
  
  AI complies with the CCPA. Personal information collected during the recruitment process will be used for employment purposes only.

* This open position is not eligible for Company sponsorship of a visa that would require a new H‑1B visa petition that is subject to the $100,000 payment requirement announced in the Presidential Proclamation titled “Restriction on Entry of Certain Nonimmigrant Workers,” dated September 19, 2025 (or any extensions or modifications of the Proclamation).