Senior Systems Engineer - Next.js & React.js Developer

Infosys; Hyderabad; On-site; INR 1,200,000 - 2,400,000; Full time

Job summary

Infosys Senior Systems Engineer position in India involves designing, building, and maintaining modern web applications using Next.js and React.js. You will implement SSR/SSG/ISR, collaborate with backend teams, and deliver scalable UI components with robust authentication and state management.

The role requires deep knowledge of JavaScript/TypeScript, API integrations (REST/GraphQL), and modern tooling. You will participate in testing, code reviews, and production issue resolution in an Agile

Qualifications

• Advanced conceptual understanding of at least one Programming Language.
• Advanced conceptual understanding of one database and one Operating System.
• Understanding of Software Engineering with practice in at least one project.
• Ability to contribute in medium to complex tasks independently.
• Exposure to Design Principles and ability to understand Design Specifications independently.
• Ability to run Test Cases and scenarios as per the plan.
• Ability to accept and respond to production issues and coordinate with stakeholders.
• Good understanding of SDLc.
• Analytical abilities.
• Logical thinking.
• Awareness of latest technologies and trends.

Responsibilities

• Design, develop, and maintain web applications using Next.js and React.js.
• Build responsive, reusable, and maintainable UI components.
• Implement SSR, SSG, and ISR; integrate RESTful APIs and GraphQL services.
• Collaborate with UX/UI designers to translate designs into pixel-perfect interfaces.
• Develop authentication and authorization mechanisms; implement state management.
• Write unit, integration, and end-to-end tests; participate in code reviews.

Skills

Next.js

React.js

JavaScript

TypeScript

API integration

CI/CD

Git

Job description

Senior Systems Engineer

Technology → Reactive Programming → NextJS

• Advanced conceptual understanding of at least one Programming Language


• Advanced conceptual understanding of one database and one Operating System


• Understanding of Software Engineering with practice in at least one project


• Ability to contribute in medium to complex tasks independently


• Exposure to Design Principles and ability to understand Design Specifications independently


• Ability to run Test Cases and scenarios as per the plan


• Ability to accept and respond to production issues and coordinate with stakeholders


• Good understanding of SDLc


• Analytical abilities


• Logical thinking


• Awareness of latest technologies and trends

Design, develop, and maintain web applications using Next.js and React.js. Build responsive, reusable, and maintainable UI components. Implement Server-Side Rendering (SSR), Static Site Generation (SSG), and Incremental Static Regeneration (ISR). Integrate RESTful APIs, GraphQL services, and third-party platforms. Optimize applications for performance, SEO, accessibility, and scalability. Collaborate with UX/UI designers to translate designs into pixel-perfect user interfaces. Develop authentication and authorization mechanisms. Implement state management solutions using Redux, Context API, Zustand, or similar tools. Write unit, integration, and end-to-end tests. Participate in code reviews and follow best engineering practices. Work closely with backend developers, architects, and product stakeholders in Agile environments.

Required Skills

Strong experience with Next.js (13+/14+) and React.js. Proficiency in JavaScript (ES6+) and TypeScript. Experience with App Router, Server Components, and Client Components. Strong understanding of SSR, SSG, ISR, and CSR concepts. Experience with HTML5, CSS3, Tailwind CSS, Bootstrap, Material UI, or Chakra UI. Knowledge of API integration using REST APIs and GraphQL. Experience with state management libraries such as Redux Toolkit, Zustand, Recoil, or Context API. Familiarity with authentication solutions such as NextAuth.js, OAuth, JWT, and SSO. Experience with Git, GitHub/GitLab, CI/CD pipelines. Strong understanding of web performance optimization and SEO best practices.