Fullstack Developer - MERN

Job Summary

We are seeking an experienced Java Full Stack Developer with 8+ years of hands-on experience in designing, developing, and maintaining scalable web applications. The ideal candidate should have strong expertise in Java (Spring Boot) on the backend and React.js on the frontend, along with experience in REST APIs, Microservices architecture, and cloud-based deployments.

Key Responsibilities

• Design, develop, and maintain scalable full-stack applications using Java, Spring Boot, and React.js
• Develop RESTful APIs and Microservices-based applications
• Collaborate with cross-functional teams including UI/UX, DevOps, QA, and Product teams
• Write clean, efficient, and reusable code following best practices
• Perform code reviews and mentor junior developers
• Optimize applications for performance and scalability
• Participate in architectural discussions and technical decision-making
• Ensure application security, data protection, and compliance standards
• Troubleshoot, debug, and upgrade existing systems

Required Skills:

• 7+ years of experience in Full Stack development
• Strong hands-on expertise in Java (8/11/17)
• Proficiency in Spring Boot, Spring MVC, Spring Security
• Experience in Microservices architecture and RESTful API development
• Strong knowledge of React.js, JavaScript (ES6+), HTML5, CSS3
• Experience with state management tools (Redux/Context API)
• Hands-on experience with Hibernate/JPA
• Good understanding of SQL databases (MySQL/PostgreSQL/Oracle)
• Experience with Git, Maven/Gradle, and CI/CD pipelines
• Working knowledge of Docker/Kubernetes
• Exposure to Cloud platforms (AWS/Azure/GCP) preferred
• Strong problem-solving and analytical skills

We are looking for aSenior Full Stack Developerwith strong expertise inJavaScript/TypeScriptand hands-on experience acrossmodern frontend and backend technologies. The ideal candidate should be comfortable building scalable, high-performance web applications and collaborating closely with product, design, and engineering teams.

Key Responsibilities

• Design, develop, and maintainscalable full-stack web applications.
• Build responsive and performantfrontend applications using React.js.
• Develop and maintainbackend services using Node.js and Express.js.
• Design and optimizeSQL and NoSQL databasesto ensure data integrity and performance.
• Build, consume, and documentRESTful APIs(GraphQL exposure is a plus).
• Write clean, maintainable, and testable code following best practices.
• Participate incode reviews, branching strategies, and release processes.
• Collaborate with cross-functional teams to translate requirements into technical solutions.
• Ensure application performance, security, and scalability.
• Contribute to CI/CD pipelines and deployment processes.

Required Technical Skills

• Strong experience withJavaScript and TypeScript.
• Expertise inReact.js, includingHooks, Context API, and state management (Redux / Zustand preferred).
• Solid backend development experience withNode.js and Express.js.
• Hands-on experience with either:
• PostgreSQL(PERN stack)
• MongoDB(MERN stack)
• Strong understanding ofSQL and NoSQL database design principles.
• Experience in building and consumingREST APIs.
• Basic knowledge ofGraphQLis a plus.
• Familiarity withORMs/ODMssuch asSequelize, Prisma, or Mongoose.
• Proficiency withGit, branching strategies, and code review practices.
• Understanding ofDocker,CI/CD pipelines, and cloud platforms (AWS).

Nice to Have

• Experience working withNext.js.
• Exposure tomicroservices architecture.
• Knowledge ofmessage queuessuch asKafka or RabbitMQ.
• Experience building or maintaininghigh-scale or multi-tenant systems.

Soft Skills

• Strong problem-solving and analytical skills.
• Good communication and collaboration abilities.
• Ability to take ownership and work independently.
• Adaptable and eager to learn new technologies.

Senior Software Engineer.

• A degree in Data Science, Artificial Intelligence, Computer Science, or a related field
• Strong proficiency in Python, with a solid understanding of object-oriented programming principles.
• Proven experience in developing applications powered by Large Language Models (LLMs).
• Demonstrated experience in building and maintaining robust ETL (Extract, Transform, Load) data pipelines.
• Ability to build full-stack applications using JavaScript; experience with modern frameworks like React and Next.js is highly desirable.
• A pragmatic and self-starting individual, capable of executing tasks effectively with minimal supervision.
• Experience developing modern frontend applications, with specific expertise in using Web Components.
• Knowledge of simulation principles and discrete optimisation techniques.
• Relevant professional certifications in AI, Machine Learning, or cloud platforms are a plus.

Experience

• Proven track record building AI (e.g. LLM-powered solutions, Agent-Based Applications), data science, or numerical computing projects end-to-end—from initial concept through to deployment and maintenance.
• Extensive hands-on experience (4+ years) with core technologies, including:
• Advanced Python, utilising libraries such as NumPy, Pandas, and frameworks for multiprocessing and asynchronous programming.
• Relational database management systems.
• Development and deployment within Linux environments.
• Collaborative development workflows using Git.

Skills Required: Java, HTML , CSS ,Angular,Springboot

Job Requirements:

• Experience in Core Java and J2EE

• Good hands-on experience in working with Spring, Hibernate Frameworks.

• Should have working experience on Web Services, and Database design.

• Working knowledge of HTML 5 ReactJS is needed.

• Knowledge in NOSQL databases and analytics will be an advantage.

• Analyze, Design & develop features in product

• Code review of team members/peers

Job Title: Full Stack Developer 

Airveda is a mission-based organization helping people breathe well, and live well. We build Comprehensive air quality monitoring IOT systems for both indoor and outdoor environments to help people manage their air pollution exposure and to create awareness among people. We are also working with schools, offices etc to provide healthier environments for their occupants.

Learn more at: https://www.airveda.com

Location: Gurgaon (Sec-54 )

Job Type: Full-time, Working from Office. 

Job Summary:

We are seeking a highly motivated Full Stack Developer to join our dynamic team. who will play a vital role in developing and maintaining our web applications, ensuring seamless user experiences and high performance. You will contribute towards designing and developing our front-end components on our air quality dashboards, work with large amounts of data and learn to build efficient data systems along with their backend components. Our systems are built on Django and Python. Prior experience here is a prerequisite. 

Key Responsibilities:

• End-to-End Development: Take ownership of the entire development lifecycle, from concept and design to implementation, testing, and deployment of web applications.
• Front-end and Back-end Development: Utilize your expertise in front-end technologies (HTML, CSS, JavaScript) and back-end technologies (Python ) to create seamless and responsive user interfaces. 
• Innovative Problem-Solving: Work closely with cross-functional teams to brainstorm and implement innovative solutions to complex technical challenges.
• User-Centric Focus: Create intuitive and user-friendly interfaces, ensuring exceptional user experiences across various devices and platforms.
• Code Quality: Write clean, maintainable, and efficient code, following best practices and industry standards.
• Collaboration: Collaborate effectively with designers, product managers, and other developers to translate design concepts into functional applications.
• Continuous Learning: Stay updated with emerging technologies and industry trends, integrating new tools and techniques into projects.
• Testing and Debugging: Conduct thorough testing, debugging, and troubleshooting to ensure the functionality and performance of applications.
• Problem-Solving: Demonstrate excellent problem-solving skills and the ability to troubleshoot issues efficiently.

Requirements:

• Bachelor's degree in Computer Science, Information Technology, or a related field.
• Minimum of 1 year of professional experience as a Full Stack Developer.
• Proficiency in front-end technologies such as HTML, CSS, JavaScript, and popular JavaScript frameworks (e.g., React, Angular, Vue.js).
• A strong background in Python back-end technologies is essential.
• Knowledge of database systems, both SQL and NoSQL.
• Familiarity with RESTful API design and integration.
• Strong problem-solving abilities and attention to detail.
• Excellent collaboration and communication skills.
•  Ability to work effectively in a fast-paced and agile development environment.
•  Familiarity with version control systems like Git is a plus.

Airveda is an equal opportunity employer and values diversity in the workplace. We encourage candidates of all backgrounds to apply.

Company Profile:- https://www.hashstudioz.com/">https://www.hashstudioz.com/

Job description

• Working knowledge of React JS
• Working knowledge of Redux, ES6, and Webpack.
• Good knowledge of OOP development and design patterns.
• Experience in debugging the application.
• Experience in handling browser compatibility issues.
• Good to have a working knowledge of NodeJS, Express, MongoDB/SQL.
• Must have expertise in unit testing (Jasmine/Mocha/Karma/Jest).
• Working knowledge of HTML5 & CSS3.
• Working knowledge of any CSS preprocessor- SASS, LESS, Stylus
• Experience in integrating front-end code with server-side technology like MVC (good to have).
• Responsible for communication with the clients.
• Strong interpersonal and communication skills.

Required Skills:

• .NET Core 
• C#
• Web API
• Aware of Microservice concepts
• MongoDB 
• Excellent communication
  
  

Docker, Kubernetes, and Linux knowledge is desirable. Having worked in a product development environment is desirable. Having worked in the finance and banking domain is desirable.