Lead Java Developer

🚀Urgent Hiring : MERN Stack Developer

Location : Gurgaon

Work Mode : Work From Office (5 Days a Week)

Experience : 3 to 6 Years

Joining : Immediate Joiners Preferred

Job Description :

We are looking for a skilled and enthusiastic MERN Stack Developer to join our growing team in Gurgaon.

The ideal candidate will be responsible for developing robust web applications using MongoDB, Express.js, React.js, and Node.js.

You will work on both front-end and back-end components, ensuring high performance and responsiveness.

Key Responsibilities :

• Design, develop, and maintain scalable web applications using the MERN stack.
• Collaborate with UI/UX designers and backend developers to implement features.
• Write clean, modular, and reusable code.
• Integrate RESTful APIs and third-party services.
• Optimize applications for speed and scalability.
• Participate in code reviews, testing, and bug fixing.
• Manage version control using Git.

Required Skills :

• Strong proficiency in MongoDB, Express.js, React.js, and Node.js.
• Good understanding of JavaScript ES6+, HTML5, CSS3.
• Experience with Redux, React Hooks, and modern React ecosystem.
• Familiarity with RESTful APIs and JSON data exchange.
• Knowledge of Agile/Scrum methodologies.
• Experience with Git and version control tools.

Good to Have:

• Knowledge of TypeScript and Next.js.
• Experience with CI/CD pipelines and cloud services (AWS/Azure).
• Familiarity with unit testing frameworks like Jest or Mocha.

Key Responsibilities:

-    Develop, test, and maintain dynamic web applications using React.js and related front-end technologies.

-    Build responsive and interactive user interfaces with reusable components.

-    Collaborate closely with UI/UX designers, backend developers, and project managers to deliver robust and scalable solutions.

-    Integrate RESTful APIs and manage data flow effectively using Redux or other state management libraries.

-    Optimize web applications for maximum performance, scalability, and cross-browser compatibility.

-    Debug and troubleshoot issues to ensure high-quality deliverables.

-    Write clean, maintainable, and well-documented code following best practices.

-    Use Git for version control and participate in code reviews.

Skills Required:

-    Minimum 2 years of professional experience in front-end web development.

-    Strong proficiency in React.js, JavaScript (ES6+), HTML5, and CSS3.

-    Experience with Redux / Context API or other state management tools.

-    Good understanding of component lifecycle, hooks, and functional programming concepts.

-    Familiarity with REST APIs, JSON, and asynchronous data handling.

-    Knowledge of responsive design, cross-browser compatibility, and performance optimization.

-    Familiarity with version control systems (Git).

Language: Java, SQL , JavaScript.

Software Ideology : Design Pattern , SOLID principle , YAGNI , KISS , Microservices, CLEAN/LAYERED architecture.

Framework: Spring (Boot, MVC, DataJPA, Security), JMS(Rabbit MQ/Apache camel/active MQ), ORM tool(Criteria API/Criteria Builder/Query DSL/Springdata JPA), REST(Jersey, Spring MVC , Feign Client) , Vaadin/GWT/jHipster/Google Polymer

Database : RDMS(Oracle/, Postgresql) , NoSql(MongoDB). Subversion : SVN , Git

Preferred Knowledge: Angular, HTML/CSS, Kotlin, Kafka , JUnit/TestNG , Docker, Kubernetes

1. Responsible for writing business logic and integrating it end to end (from DB-WS to UI & vice versa).
2. Creating Rest endpoints to be used by other applications which will suffice the business requirements.
3. Deploying the applications in cloud
4. Lead and develop engineers in the engineering
5. Lead technical risk mitigation, design and planning activities
6. This role requires a level of technical experience and interpersonal skills to be able to work effectively as a team player with our internal
7. Proactive thinking with a ‘can do’
8. Improve development efficiency with new tools/frameworks
9. Responsible for server-side web application logic and integration of the work
10. Write the web services and APIs used by dependent application

• Database creation, integration, and
• Cloud Knowledge
• Using back-end frameworks to build server-side software
• Cloud computing integration
• API integration
• Security audit

Must have extensive and in-depth knowledge and experience in developing APIs in NodeJS, HTML5/CSS/Javascript, MongoDB, Git, production application deployments. And optionally ReactJS Components/Websites/UI/UX, Redux etc.

Cloud infra management

AWS SDK, Google Maps SDK

Elastic Search engine

Mocha or any testing framework

Continuous delivery

Redis, ExpressJS, Apollo Client, PubSub

Responsibilities

Development of web applications and modules

Drafting ReactJS front ends components based on provided mock-ups.

Architecting database and REST/GraphQL APIs for front end.

Integrating multiple 3rd party SDKs including but not limited to AWS, Messagebird, Twilio, Lalamove, Google Maps etc.

Write and execute unit tests

Bug fixes, support and enhancements

UAT and Production deployments

Performance optimizations and app security implementations

Cloud infra management

Backup plans and risk mitigation techniques implementation

Xfinito is building a portfolio of  new product innovation, product contribution and infrastructure goals while providing individuals and teams the freedom to emphasize specific types of work.

Our work focuses on real –world problems that span the breadth of biomedical engineering, embedded systems, computer science, such as machine and deep learning, data mining, natural language processing, hardware and software performance analysis and much more.

Job Role: FULL STACK DEVELOPER-AWS

Roles And Responsibilities:

• Write well designed, testable, efficient code by using best software development practices.
• Work with agile teams as they perform feature level design, development, testing, performance analysis and document to ensure that software meets business needs
• Contribute to software architecture and design
• Develop the required technical pieces/ end-to-end solutions for multi layered applications on a variety of technology stacks
• Conduct code review to ensure code following the code best practices guidelines
• Support for deployment and maintenance applications
• Ability to lead a module development and take it to completion.

REQUIREMENTS:

• Knowledge of multiple front –end languages and libraries (e.g HTML/CSS, JavaScript, XML, jQuery)
• Familiarity with databases (e.g MySQL, MongoDB), web servers (e.g Apache) and UI/UX design and with common stacks
• Excellent communication, teamwork and organizational skills.
• Knowledge in OOP, design patterns, AWS containers, microservices, serverless implementation

EXPERIENCE:

We as a team are looking for freshers or young professionals with (0-4 years of experience) passion and eagerness to challenge themselves with complex technical projects and provide iterative solutions that provide value each step of the way.

Essential Duties and Responsibilities:

• Developing complete website architecture.
• Creating websites/a website using standard HTML/CSS practices
• Designing user interactions on web pages. 
• Developing back end website applications. 
• Creating servers and databases for functionality. 
• Ensuring cross-platform optimization for mobile phones. 
• Ensuring responsiveness of applications. 
• Seeing through a project from conception to finished product. 
• Designing and developing APIs. 
• Meeting both technical and consumer needs. 
• Researching different software programs, maintaining software documentation
• Implementing contingency plans in case the website goes down
• Maintaining and expanding/enhancing the website once built