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Snr Fullstack Engineer

Kforce Technology StaffingCountryside, IL🇺🇸United StatesPosted 28 Aug 2026

Quick Overview

Seniority
Mid Senior
Work mode
Hybrid
Location
Countryside, IL, United States
Posted
20 hours ago
Node.jsJavaScriptLESSRESTReactReact NativeTypeScript

Job Description

RESPONSIBILITIES

Kforce has a client in Countryside, IL that is seeking a Senior Full Stack Developer with strong front-end expertise and experience building modern, scalable web applications.

Summary

This role will play a key part in modernizing our digital platforms, driving development best practices, and helping shape our future technology landscape. The ideal candidate will bring extensive experience with React, Node.js, JavaScript/TypeScript, RESTful APIs, and web accessibility standards, while also providing technical leadership through code reviews, mentoring, and process improvements.

Key Responsibilities

  • Design, develop, and maintain modern web applications using React, JavaScript/TypeScript, and Node.js
  • Lead the modernization of existing websites and digital platforms, helping transition legacy applications to current frameworks and technologies
  • Design, develop, and integrate RESTful APIs to support application functionality and business requirements
  • Build and maintain React Native applications and mobile experiences as needed
  • Own the software development lifecycle for assigned projects, from architecture and design through deployment and support
  • Conduct code reviews, provide technical guidance, and mentor team members to maintain high development standards
  • Establish and champion frontend development best practices, coding standards, and architectural patterns
  • Ensure all applications meet ADA accessibility requirements and adhere to industry standards for usability and compliance
  • Collaborate closely with product owners, designers, business stakeholders, and engineering teams to deliver high-quality solutions
  • Troubleshoot, optimize, and enhance application performance, scalability, and user experience
  • Drive initiatives to standardize frontend technologies, improve development processes, and increase maintainability across platforms

REQUIREMENTS

  • 7+ years of professional software development experience
  • Strong expertise in React development
  • Extensive experience with JavaScript and TypeScript
  • Experience developing and integrating REST APIs
  • Experience working within modern web application architectures
  • Strong understanding of frontend development best practices and design patterns
  • Experience conducting code reviews and providing technical mentorship
  • Knowledge of web accessibility standards and ADA compliance requirements
  • Demonstrated ability to work independently and take ownership of large initiatives
  • Strong communication and collaboration skills

The pay range is the lowest to highest compensation we reasonably in good faith believe we would pay at posting for this role. We may ultimately pay more or less than this range. Employee pay is based on factors like relevant education, qualifications, certifications, experience, skills, seniority, location, performance, union contract and business needs. This range may be modified in the future.

We offer comprehensive benefits including medical/dental/vision insurance, HSA, FSA, 401(k), and life, disability & ADD insurance to eligible employees. Salaried personnel receive paid time off. Hourly employees are not eligible for paid time off unless required by law. Hourly employees on a Service Contract Act project are eligible for paid sick leave.

Note: Pay is not considered compensation until it is earned, vested and determinable. The amount and availability of any compensation remains in Kforce's sole discretion unless and until paid and may be modified in its discretion consistent with the law.

This job is not eligible for bonuses, incentives or commissions.

Kforce is an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, gender identity, national origin, age, protected veteran status, or disability status.

By clicking ?Apply Today? you agree to receive calls, AI-generated calls, text messages or emails from Kforce and its affiliates, and service providers. Note that if you choose to communicate with Kforce via text messaging the frequency may vary, and message and data rates may apply. Carriers are not liable for delayed or undelivered messages. You will always have the right to cease communicating via text by using key words such as STOP.

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