Senior Software Engineer - AI-Powered Web Platform (Remote)

Kenyan Edu; Austin, Northern (TX, KY); Hybrid; USD 135,000 - 195,000; Full time

Benefits offered by this job

Retirement plan

PTO

Job summary

Edfinity is seeking an experienced full-stack engineer to join a fully remote team focused on AI-powered courseware for higher-ed STEM. You will work on Rails, React, and data infrastructure, with emphasis on reliability and scalability across a distributed US-based team.

Ideal candidates have deep Rails experience, strong CS fundamentals, and comfort collaborating across product and engineering in an SDLC shaped by AI agents. Authorization to work in the United States is required.

Qualifications

• 8–15 years building and running scalable production web apps.
• Deep experience with Rails.
• Experience with React front-ends.
• Recent work in an SDLC guided by AI agents.
• Strong CS fundamentals in systems, data modeling and complexity.
• Excellent communication and self-direction.

Responsibilities

• Full-stack product development in areas like assessment authoring, delivery, and grading.
• LLM-powered features, from prompt architecture to auto-grading to eval infrastructure.
• Performance optimization and reliability refactoring to handle day-to-day load and high-stakes spikes.
• Stewardship of a mature codebase: upgrades, migrations, and paying down technical debt methodically.
• Part-time technical support rotation. Customer happiness is extremely important to us.

Skills

Rails

React

AI in SDLC

CS fundamentals

Communication

Job description

Edfinity is seeking an experienced full-stack engineer to join a fully remote team focused on AI-powered courseware for higher-ed STEM. You will work on Rails, React, and data infrastructure, with emphasis on reliability and scalability across a distributed US-based team.

Ideal candidates have deep Rails experience, strong CS fundamentals, and comfort collaborating across product and engineering in an SDLC shaped by AI agents. Authorization to work in the United States is required.