Sr. Full Stack Engineer - NextJS

Apex Systems • San Ramon, California • Posted June 19, 2026

Position Overview

Job#: 3031295

Job Description:

Sr. Full Stack Engineer

Location: San Ramon, California (Onsite 5 days per week)

Employment Type: Contract

Role Overview

We are seeking a Senior / Lead Software Engineer to support high-priority digital initiatives. This role is designed for a hands-on engineer who can independently deliver complex projects while also accelerating team execution. You will report to a Director and play a key part in platform and performance engineering.

Key Responsibilities
  • Independently lead the delivery of complex frontend and full-stack initiatives using and TypeScript.
  • Architect, build, and optimize high-performance, customer-facing web applications.
  • Partner with backend, platform, and DevOps teams to design integrations and resilient systems.
  • Identify gaps, propose improvements, and proactively support delivery.
  • Perform code reviews, influence technical decisions, and raise ...