AI-enhanced for better readability
Senior Software Engineer - Edfinity
Headquarters: Austin, TX
URL: https://edfinity.com
About Edfinity
Edfinity is the category leader in courseware and assessment technology for higher-ed STEM. We're NSF-supported, bootstrapped, and built by a close-knit remote team of senior engineers. We're growing fast and leading the field in AI-powered courseware that moves the needle on educator productivity and student outcomes. Your work will reach hundreds of institutions, and you will help decide how it gets built.
How We Work
- Fully Remote: We are distributed across the US, prioritizing personal flexibility and accountability.
- AI-Driven Development: AI agents produce most of our code. We move fast, but we temper velocity with quality and stability above all else.
- Engineer-Led: Engineers frame the problems, direct the work, and are accountable for everything that ships.
- Cross-Functional Growth: Everyone has opportunities to work across different areas of the platform, and team members are expected to develop deep technical expertise over time.
- Collaborative Culture: We are a small team of senior engineers where your opinion matters.
- Evolving Workflows: The pace of change is real; we are continually evolving our tooling and workflows as LLMs become more capable.
What You’ll Be Doing
Our stack includes Ruby on Rails, MongoDB, Elasticsearch, ClickHouse, Redis/Sidekiq, and React.
- Full-stack product development in areas like assessment authoring, delivery, and grading; educator and student-facing features; and LMS integrations.
- Developing LLM-powered features, from prompt architecture to auto-grading and eval infrastructure.
- Performance optimization and reliability refactoring to handle both 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.
What You'll Need
- 8-15 years building and running scalable production web applications and services.
- Deep experience with Ruby on Rails.
- Experience with web front-ends such as React.
- Recent experience in an SDLC revolving around the use of AI agents.
- Strong CS fundamentals in systems, data modeling, and complexity.
- Excellent communication hygiene, collaborative skills, and a strong sense of self-direction.
- Interest in a long-term seat on a close-knit team.
- Authorization to work in the United States (we are not able to sponsor or transfer work visas at this time).
Compensation
- Salary: $135,000 - $195,000
- Benefits: Eligibility for an annual discretionary bonus, retirement plan, and PTO.