Ascen | Full Stack Engineer (100% Remote) | Brasília

Senior Full-Stack Software Engineer
100% Remote | Must have at least 4 hours of overlap with US Eastern Time (EST)
About AscenAscen (ascen.com) is a Y Combinator-funded back-office platform built exclusively for staffing companies. We empower staffing firms to focus on their clients and candidates by providing a robust suite of back-office services—including contractor onboarding, timesheets, payroll, invoicing, funding, and employer of record—within a sleek, white-label, all-in-one platform.
We're profitable, experiencing rapid growth, and backed by leading investors, including Y Combinator. Now, we're seeking an experienced Senior Full-Stack Software Engineer to join our remote team and help drive our next phase of innovation.
Role OverviewIn this role, you will be a crucial contributor to our platform, designing and implementing features across the tech stack, optimizing performance, and ensuring the highest security standards. You'll have a chance to build impactful solutions that streamline staffing operations for our clients.
Ideal Qualifications7+ years
of experience in Python.7+ years
of experience building web applications (FastAPI, Django, or Flask).2+ years
of experience with JavaScript frameworks (React or Vue).Comfortable independently developing full-stack features, from backend to frontend.Extensive knowledge of cybersecurity best practices.Experience with payments or fintech is preferred.Must be able to work with at least
4 hours of overlap with US Eastern Time (EST)
.
Interview ProcessIntroductory Call
– 15-30 minutesMeet with a member of our team for a brief conversation about your background and the role.Technical Deep Dive
– 45-60 minutesWalk us through a feature or project you've built, focusing on code review, design decisions, improvements, and lessons learned. This is an opportunity to showcase your technical expertise and problem-solving approach.