Java Fullstack Developer

Weekday AI; Hyderabad; On-site; INR 4,000,000 - 7,000,000; Full time

Job summary

Weekday AI is seeking a seasoned Java Full Stack Developer to join our Hyderabad-based engineering team. You will design, develop, and maintain scalable web applications with Java backend and React.js frontend, collaborating closely with cross-functional teams.

The ideal candidate has 9–15 years of experience in full-stack development, strong backend and frontend skills, and a passion for delivering enterprise-grade software.

Qualifications

• Strong hands-on experience in Core Java, modern Java features, and OOP.
• Proficient in React.js, component-based UI, hooks, and responsive design.
• Experience building backend with Spring Boot/Spring MVC and RESTful services.

Responsibilities

• Design, develop, test, and maintain scalable web apps using Java and React.js.
• Build backend services, RESTful APIs, and microservices.
• Develop dynamic frontends with React.js, HTML5, CSS3, and JavaScript.

Skills

Java

React.js

Spring Boot

RESTful APIs

SQL databases

Git & Testing

Agile

Tools

Docker

Kubernetes

AWS

Azure

Job description

This role is for one of Weekday’s clients

Min Experience: 9+ years
Location: Hyderabad
JobType: full-time

We are looking for an experienced Java Full Stack Developer with strong expertise in Java-based backend development and React.js frontend development to join our engineering team in Hyderabad. The ideal candidate will have 9–15 years of experience designing, developing, and maintaining scalable, high-performance web applications. This role requires a strong understanding of full-stack architecture, hands‑on programming skills, and the ability to lead technical discussions while collaborating with cross-functional teams.

The successful candidate will be responsible for developing robust backend services, building responsive user interfaces, integrating APIs, and ensuring the overall quality, performance, and security of enterprise‑grade applications.

Key Responsibilities

• Design, develop, test, and maintain scalable web applications using Java and React.js.
• Build robust backend services, RESTful APIs, and microservices using Java and relevant frameworks such as Spring Boot and Spring MVC.
• Develop dynamic, responsive, and user‑friendly frontend applications using React.js, JavaScript, HTML5, and CSS3.
• Integrate frontend components with backend services, APIs, and databases to deliver seamless application functionality.
• Apply object‑oriented programming principles, design patterns, and software engineering best practices to build maintainable solutions.
• Work with relational and NoSQL databases, including database design, query optimization, and performance tuning.
• Participate in architecture discussions, technical design reviews, and decisions related to application scalability and maintainability.
• Write clean, reusable, well‑documented code and develop unit and integration tests to ensure application reliability.
• Identify and resolve complex technical issues, troubleshoot production defects, and optimize application performance.
• Collaborate with product managers, business analysts, QA engineers, DevOps teams, and other stakeholders to deliver projects on time.
• Participate in Agile ceremonies, sprint planning, code reviews, and continuous improvement initiatives.
• Mentor junior developers, share technical knowledge, and contribute to coding standards and development best practices.
• Ensure application security, reliability, scalability, and compliance with established engineering standards.

Must‑Have Skills

• Java: Strong hands‑on experience in Core Java, object‑oriented programming, collections, multithreading, exception handling, and modern Java features.
• React.js: Proficiency in building reusable components, managing state, handling hooks, and developing responsive user interfaces.
• Strong experience in backend development using Spring Boot, Spring MVC, and RESTful APIs.
• Good understanding of full‑stack application architecture and frontend‑backend integration.
• Experience working with SQL databases, data structures, algorithms, and performance optimization.
• Proficiency in Git, debugging, unit testing, and Agile development methodologies.
• Strong problem‑solving, communication, and technical leadership skills.

Preferred Qualifications

• Experience with microservices architecture and distributed systems.
• Familiarity with CI/CD pipelines, Docker, Kubernetes, and cloud platforms such as AWS or Azure.
• Knowledge of application security, automated testing frameworks, and performance monitoring tools.

Candidate Requirements

• 9–15 years of relevant experience in full‑stack software development.
• Strong expertise in both Java and React.js.
• Candidates must be based in or willing to work from Hyderabad.
• Candidates should be available to join within 30 days, with 45 days as the maximum acceptable notice period.