Frontend jobs in United States

About Ascen Ascen (ascen.com) is a 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 (ranked number 78 on the Inc. 5000 as one of the fastest‑growing companies in the US), and backed by a publicly traded company. Now, we’re seeking an experienced Senior Full‑Stack Software Engineer to join our remote team and help drive our next phase of innovation.

In 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.

• 5+ years of experience in Python.
• 5+ 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).

Introductory Call

• 15-30 minutes Meet with a member of our team for a brief conversation about your background and the role.

Technical Deep Dive

• 45-60 minutes Walk 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.