Sr. Full Stack Engineer - NextJS

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 Next.js 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 engineering standards.
• Provide technical guidance and execution support to help multiple workstreams progress.

Required Qualifications

Experience: 8-12+ years of professional software engineering experience, with a track record of owning and delivering complex systems.

Technical Skills: Deep, hands-on production experience with Next.js, React, and TypeScript. Strong backend fluency with Python and/or Node.js, and comfort working across full-stack architectures. Solid understanding of cloud-native environments (AWS or GCP).

Additional Skills: Proven ability to work independently with minimal oversight. Strong experience with modern frontend performance, SSR/SSG, SEO, and scalable UI architecture. Experience building retail, e-commerce, or large-scale customer-facing platforms.

Preferred Qualifications

• Technically opinionated, pragmatic, and execution-driven.
• Comfortable being the technical owner on a project.
• Passionate about the craft, with an ability to write clean code and understand the "why."
• Able to balance individual contribution with team impact.

This employer is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status and will not be discriminated against on the basis of disability.

Apex uses a virtual recruiter as part of the application process. Click here for more details.

If you have visited our website in search of information on employment opportunities or to apply for a position, and you require an accommodation in using our website for a search or application, please contact our Benefits Department at [email protected] or View phone number on click.appcast.io.

Everforth Apex is a world-class IT services company that serves thousands of clients across the globe. When you join Everforth Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRateds Best of Staffing® in Talent Satisfaction in the United States and Great Place to Work® in the United Kingdom and Mexico.

Everforth Apex uses a virtual recruiter as part of the application process. Click here for more details. By applying for this job, you agree to receive calls, AI-generated calls, text messages, or emails from Everforth Apex and its affiliates, and contracted partners. Frequency varies for text messages. Message and data rates may apply. Carriers are not liable for delayed or undelivered messages. You can reply STOP to cancel and HELP for help. You can access our privacy policy at

Everforth Apex Benefits Overview: Everforth Apex offers a range of supplemental benefits, including medical, dental, vision, life, disability, and other insurance plans that offer an optional layer of financial protection. We offer an ESPP (employee stock purchase program) and a 401K program which allows you to contribute typically within 30 days of starting, with a company match after 12 months of tenure. Everforth Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts. In terms of professional development, Everforth Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Everforth Apex has a dedicated customer service team for our Consultants that can address questions around benefits and other resources, as well as a certified Career Coach. You can access a full list of our benefits, programs, support teams and resources within our 'Welcome Packet' as well, which an Everforth Apex team member can provide.

Everforth Apex Systems is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law. Everforth Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law.

If you require an accommodation under the Americans with Disabilities Act to participate in an interview with a virtual recruiter or to use our website for a search or application, please contact our Benefits Department at [email protected] or View phone number on click.appcast.io. Please note that this contact information is strictly to be used for medical ADA accommodations and that no other inquiries will be answered.

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