Historical snapshotmid (4–12 yrs)Captured Oct 17, 2026, 4:30 a.m.

Senior Full Stack Software Engineer

Naijaluxemart

Location
San Francisco, CA, United States · Onsite
Compensation
$175k – $225k • No equity
Employment
Full-time
Experience level
MID (4–12 years exp)
Specialization
Full Stack
Source
Wellfound

Location: New York City or San Francisco Work setup: Hybrid, 3 days per week Compensation: $175K to $225K base + equity Employment type: Full-time

We are hiring a Senior Full Stack Software Engineer for a fast-growing fintech and healthcare technology company building AI-powered financial infrastructure.

You will work directly with senior technical leadership and own product initiatives from initial problem definition through production deployment.

What you’ll do

• Build full-stack product features using React and Node.js • Own projects end-to-end from architecture through production • Develop systems supporting payments, billing, claims, and revenue workflows • Build secure systems handling sensitive financial and customer data • Work closely with Product, Operations, and other non-technical stakeholders • Make architectural and engineering design decisions • Break ambiguous problems into clear technical solutions • Help shape engineering standards and product direction

What we’re looking for

• 4 to 12 years of full-stack software engineering experience • Strong production experience with React • Strong backend experience with Node.js, Rails, Flask, or a comparable framework • Fintech, payments, billing, healthtech, or related experience • Experience building systems that handle sensitive data • Strong end-to-end product ownership • Bachelor’s or Master’s degree in Computer Science, Engineering, or a related technical field • Strong communication skills • Ability to work independently in a fast-moving environment • Based in or willing to relocate to New York City or San Francisco

Nice to have

• PostgreSQL experience • AI-native development workflow • Healthcare or fintech domain knowledge • Startup experience • Experience scaling customer-facing products

Hybrid schedule is 3 days per week in the office.

TN sponsorship is available.

If your background aligns, apply with your CV and include a short summary of a full-stack product or system you owned from dev