FNE FS Dev Backfill

Job#: 3057628

Job Description:

Senior Fullstack Engineer

Location: Remote (United States)

Work Type: Contract

Role Overview

This organization is seeking a talented Fullstack Engineer to build responsive, accessible, and performant user interfaces for web and application experiences. The successful candidate will develop UI components and client-side logic that bring product designs to life while collaborating with designers, backend engineers, and product managers. This opportunity focuses on creating reliable, maintainable, and user-friendly interfaces across platforms and devices within a dynamic gaming ecosystem.

Key Responsibilities

• Develop frontend features using Next.js, React, and TypeScript.
• Integrate frontend applications with backend APIs and manage client-side state.
• Participate in code reviews, testing, and documentation.
• Develop backend REST APIs in Go using the Gin framework with OpenAPI specifications
• Design and optimize PostgreSQL schemas, write complex queries with JOINs, CTEs, and window functions
• Design and optimize MongoDB persistence and query patterns
• Write and maintain database migrations for evolving data models
• Integrate with AWS services (DynamoDB, SQS, SNS, S3) for caching, messaging, and storage

Required Qualifications

• 5/+ years of professional software development experience.
• Strong proficiency in TypeScript, React, and Next.js (App Router, Server Components).
• Experience in backend development, preferably with Golang.
• Hands on experience using AI tools in your daily development workflow (Claude, Codex, Cursor, etc)
• Solid SQL skills: schema design, query optimization, indexing strategies, query builders and migrations (PostgreSQL)
• Experience with NoSQL databases (MongoDB, DynamoDB)
• Experience building RESTful APIs with OpenAPI/Swagger documentation
• Familiarity with Tailwind CSS and headless UI component libraries (Radix UI or similar).
• Understanding of server side and client-side data fetching patterns and state management.
• Strong problem-solving skills and attention to UI/UX detail.
• Understanding of relational database normalization, foreign keys, and data integrity

Nice to Haves:

• Knowledge of testing frameworks (Vitest, Playwright).
• Knowledge of message queue patterns (SQS, SNS) and worker architectures
• Familiarity with OpenTelemetry and distributed tracing
• Experience with containerization and Kubernetes deployments
• Familiarity with CloudFlare or other CDNs

Preferred Qualifications

• Experience with drag-and-drop libraries such as dnd-kit.
• Familiarity with calendar and scheduling UI components.
• Experience integrating code editors using CodeMirror.
• Knowledge of modern testing frameworks such as Vitest and Playwright.

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 https://www.apexsystems.com/privacy-policy

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 804-523-8228. Please note that this contact information is strictly to be used for medical ADA accommodations and that no other inquiries will be answered.

UnitedHealthcare creates and publishes the Transparency in Coverage Machine-Readable Files on behalf of Everforth Apex Systems.

Employee Type:

Contract

Remote:

Yes

Location:

Bellevue, WA, US

Job Type:

Applications and Data Management

Date Posted:

November 6, 2026

Pay Range:

$80 - $90 per hour

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