Senior Developer (Java Fullstack)

Job Title:

Senior Developer (Java Fullstack)

Job Description

We’re Concentrix. A new breed of tech company — Human-centered. Tech-powered. Intelligence-fueled.

We create game-changing solutions across the enterprise, that help brands grow across the world and into the future. We are trusted by clients across all major sectors, from up-and-coming success stories to iconic Fortune Global 500 brands in over 70 countries spanning 6 continents.

Our game-changers:
* Challenge Conventions
* Deliver outcomes unimagined
* Create experiences that go beyond WOW

If this is you, we would love to discuss career opportunities with you.

In our Concentrix Catalyst team, you will work with the engine that powers the experience design and engineering capabilities at Concentrix. A leading global solutions company that reimagines everything CX through strategy, talent, and technology. We combine human-centered design, powerful data, and strong tech to accelerate CX transformation at scale. You will be surrounded by the best in the world providing market leading technology and insights to modernize and simplify the customer experience. Within our professional services team, you will deliver strategic consulting, design, advisory services, market research, and contact center analytics that deliver insights to improve outcomes and value for our clients. Hence achieving our vision.

We’re a remote-first company looking for the absolute best talent in the world. Experience the power of a game-changing career.

Concentrix is currently looking for a Senior Developer (Java Fullstack)

Technical Skills:

Frontend:

• Languages: HTML5, CSS3, JavaScript, jQuery
• Frameworks/Libraries: React.js, Next.js, Material UI
• State Management: Redux, Context API
• UI/UX Tools: Figma, Zeplin
• Styling & Preprocessors: SCSS, LESS, CSS-in-JS
• Build Tools: Webpack, Babel
• Performance Optimization: Lazy Loading, Web Workers, PWA

Backend:

• Languages: Node.js, JavaScript, JSON, XML, Yaml
• Frameworks: ExpressJS
• API Design: RESTful APIs, GraphQL
• Authentication: OAuth2, JWT, SAML, OpenID Connect
• Security: Data Encryption, XSS/CSRF Prevention, Role-Based Access Control (RBAC), CORS
• Server-Side Rendering (SSR): Next.js

Database & Storage:

• Relational Databases: MySQL/Oracle
• NoSQL Databases: MongoDB
• Database Optimization: Indexing, Query Optimization, Data Sharding

DevOps & Cloud Infrastructure:

• Containers & Orchestration: Docker, Kubernetes, Conducktor
• CI/CD Pipelines: Jenkins, GitLab CI/CD
• Monitoring & Logging: Grafana, Splunk

Testing & Quality Assurance:

• Unit Testing: Jest, Mocha, Jasmine, JUnit
• Integration Testing: Selenium, Postman, SoapUI
• Static Analysis: ESLint, Prettier, SonarQube
• Performance Testing: JMeter, LoadRunner

Version Control & Collaboration:

• Git, GitHub, GitLab, Bitbucket
• JIRA, Confluence
• Agile (Scrum, Kanban), CI/CD Pipelines

Job Overview:

We are looking for a skilled Full Stack Developer with expertise in React.js for frontend development and Node.js for backend services. The ideal candidate should also have experience with Docker and Kubernetes to ensure smooth deployment and scalability of applications. You will be responsible for designing, developing, and maintaining robust, high-performance web applications.

Key Responsibilities:

• Develop and maintain frontend applications using React.js with modern state management (e.g., Redux, Context API).
• Design and implement scalable and high-performance backend services using Node.js (Express.js, Next.js).
• Build and optimize RESTful and GraphQL APIs for seamless frontend-backend communication.
• Implement containerized microservices using Docker and orchestrate them with Kubernetes for scalable deployments.
• Integrate cloud services (AWS, GCP, or Azure) for hosting and CI/CD automation.
• Write clean, maintainable, and well-documented code following best practices.
• Troubleshoot and resolve issues in production environments.
• Work collaboratively in an Agile/Scrum environment with designers, developers, and product managers.

Required Skills & Experience:

• 10+ years of experience in frontend development with React.js (Hooks, React Router, NodeJS and GraphQL).
• Strong understanding of Docker for containerized applications.
• Hands-on experience with Kubernetes for co