Full Stack Engineer

Senior Talent Acquisition Specialist @ Mastech Digital | Technical Recruitment | End-to-End Tech Hiring

Job Title: Software Engineering – Full Stack Engineer

Location: Lawrenceville, NJ 08648 (3 days onsite)

Duration: 12+ Months Contract

We are seeking an experienced Full Stack Engineer with strong expertise in React (frontend-heavy) and Java/Spring Boot on the backend. The role involves hands‑on development, frontend architecture ownership, and onshore leadership of offshore teams in an Agile environment.

• Develop backend services using Java and Spring Boot
• Design and implement responsive, scalable UI components
• Build and maintain RESTful APIs and microservices
• Integrate applications with AWS services and EKS
• Work with containerized applications and cloud deployments
• Ensure high-quality code through testing, reviews, and best practices
• Maintain and enhance component libraries and design systems
• Lead and mentor offshore development teams from an onshore role
• Participate in client discussions and requirement gathering
• Collaborate with Business Analysts and UX/UI teams
• Drive frontend architecture decisions and coding standards
• Work within Agile/Scrum across multiple sprints

Frontend

• 12+ years of hands‑on React development
• Experience with Redux, Context API, and responsive design
• Advanced React concepts:
  Hooks, Custom Components, Context

Backend

• 10+ years of Java and Spring Boot experience
• Strong knowledge of microservices architecture
• Experience with AWS cloud services
• API development and backend integration
• Understanding of containerization (Docker/Kubernetes)

• Frontend build tools:
  Webpack, Babel, npm/yarn
• Testing frameworks:
  Jest, React Testing Library, Cypress
• Performance optimization for large-scale applications
• Version control using Git

• Mid‑Senior level

• Contract

• Information Technology

• IT Services and IT Consulting

• Medical insurance
• Vision insurance