Senior Full Stack Engineer

Job#: 2082796

Job Description:

SENIOR FULL STACK DEVELOPER

We are seeking a highly skilled and collaborative Full Stack Engineer with a strong focus on React to help us build intuitive, scalable, and high-performance web applications. You will work across front-end and back-end systems to develop tools and services that enhance both the user and developer experience.

You will join a multidisciplinary, globally distributed team of engineers, designers, and product managers spanning multiple time zones to build engaging user interfaces and robust APIs that support a large-scale digital ecosystem, including user accounts, live services, content delivery, and community engagement. Success in this role requires taking ownership of projects while collaborating effectively across different regions and working hours.

Responsibilities:

• Design, develop, and maintain web applications using React, Node.js, and related technologies.
• Implement front-end components with a focus on performance, accessibility, and responsiveness.
• Build and maintain scalable RESTful APIs and microservices.
• Collaborate with UI/UX designers to translate wireframes and designs into working features.
• Take ownership of features and projects while proactively collaborating with global team members across different time zones.
• Write clean, testable, and well-documented code following engineering best practices.
• Participate in code reviews, architecture discussions, and sprint planning.
• Work closely with DevOps and QA to support continuous integration and deployment pipelines.
• Ensure applications meet security, scalability, and maintainability standards.

Must-Have:

• 5+ years of full stack development experience
• Expert-level proficiency with React, JavaScript/TypeScript, and modern front-end tooling (e.g., Webpack, Vite, Babel)
• Strong experience with Node.js, Express, or similar server-side frameworks
• Proven experience building and integrating RESTful APIs
• Solid understanding of cloud platforms (AWS, Google Cloud Platform, or Azure) and cloud-native development
• Proficient in working with SQL and/or NoSQL databases (e.g., PostgreSQL, MongoDB)
• Experience with CI/CD pipelines and version control workflows (Git, GitHub Actions, Jenkins)
• Excellent problem-solving and communication skills
• Experience with testing frameworks and methodologies (Jest, React Testing Library, Cypress)

Nice-to-Have:

• Experience in gaming or entertainment technology
• Familiarity with GraphQL
• Containerization and orchestration experience (Docker, Kubernetes)
• Background in building internal developer tools or user-facing dashboards
• Exposure to internationalization (i18n) and accessibility best practices
• Experience collaborating across time zones and managing projects with minimal supervision

EEO Employer

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. Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law. 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 Employee Services Department at or .

Apex Systems is a world-class IT services company that serves thousands of clients across the globe. When you join 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 ClearlyRated's Best of Staffing in Talent Satisfaction in the United States and Great Place to Work in the United Kingdom and Mexico.

Apex Benefits Overview: 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. 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, 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. 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 Apex team member can provide.