Java fullstack

Build Products. Solve Real Problems. Grow with Us.

Are you passionate about building scalable applications, solving complex engineering challenges, and working with modern technologies?

At NonStop io Technologies, we're looking for a talented Java Developer who enjoys creating high-quality software, collaborating with smart teams, and continuously learning new technologies.

This isn't just another development role. You'll work on real-world products, modern architectures, cloud technologies, AI-powered development tools, and systems that impact businesses and users every day.

If you're someone who loves writing clean code, takes ownership of your work, and wants to grow into a strong technical contributor or future tech lead, we'd love to connect with you.

About NonStop io Technologies

NonStop io Technologies is a product engineering company with 10+ years of experience building web and mobile applications for startups and enterprises.

We're a team of passionate engineers who believe in:

• Building products, not just projects
• Continuous learning and innovation
• Engineering excellence and quality delivery
• Long-term ownership and customer success
• Collaboration, transparency, and growth

Our engineers don't just execute tasks, contribute ideas, influence architecture decisions, and help shape products from concept to scale.

What You'll Be Working On

• Designing and developing scalable backend applications using Java and Spring Boot
• Building REST APIs and Microservices
• Working on cloud-ready applications and distributed systems
• Collaborating with product managers, designers, and engineers
• Improving application performance, scalability, and reliability
• Contributing to architecture and technical design discussions
• Leveraging AI-powered development tools to enhance productivity
• Working with CI/CD pipelines and modern software engineering practices.

Skills We're Looking For

Must Have

• 3–6 years of experience in Java development(Min 3 Years)
• Strong expertise in Java, Spring Boot, Spring MVC, and Hibernate/JPA
• Experience building Microservices and REST APIs
• Strong understanding of OOP, Design Patterns, and Clean Coding Practices
• Experience with MySQL or PostgreSQL
• Working knowledge of Git
• Hands-on experience with Frontend Technologies (HTML, CSS, JavaScript, React/Angular)
• Experience with Maven or Gradle

Good to Have

• Experience with AWS or cloud environments
• Exposure to CI/CD pipelines and DevOps practices
• Experience with distributed systems and scalable architectures
• Knowledge of automated testing frameworks
• Familiarity with AI-assisted development tools such as GitHub Copilot

Why Developers Love Working With Us

• Work on real products with real impact
• Opportunity to work on modern architectures and cloud technologies
• Exposure to AI-powered software development practices
• Learn directly from experienced engineers and architects
• Friendly, collaborative, and growth-oriented culture
• Freedom to experiment, innovate, and share ideas
• Continuous learning and career growth opportunities
• Work with a team that values ownership, trust, and engineering excellence

Interested in Joining Our Team?

We're always excited to connect with developers who are curious, driven, and passionate about technology.

If you enjoy building quality software, learning new technologies, and taking ownership of your work, this could be the right opportunity for you.

We look forward to connecting with you!

Urgent Requirement 🔥

👉 Java Backend with AWS

👉 Java Backend with React, Spring Boot, Microservices

Exp: 3+ Yrs

Loc: Chennai, Bangalore, Hyderabad

Immediate Joiners Preferred!

About NonStop io Technologies:

NonStop io Technologies is a value-driven company with a strong focus on process-oriented software engineering. We specialize in Product Development and have a decade's worth of experience in building web and mobile applications across various domains. NonStop io Technologies follows core principles that guide its operations and believes in staying invested in a product's vision for the long term. We are a small but proud group of individuals who believe in the 'givers gain' philosophy and strive to provide value in order to seek value. We are committed to and specialize in building cutting-edge technology products and serving as trusted technology partners for startups and enterprises. We pride ourselves on fostering innovation, learning, and community engagement. Join us to work on impactful projects in a collaborative and vibrant environment.

Brief Description:

NonStop io is seeking a proficient Java Developer to join our dynamic team. In this role, you will contribute to designing, developing, and maintaining high-quality Java-based applications. You will work closely with cross-functional teams, ensuring the delivery of robust and scalable software solutions.

Responsibilities:

• Develop and Maintain: Write clean, efficient, and maintainable code for Java-based applications
• Collaborate: Work with cross-functional teams to gather requirements and translate them into technical solutions
• Code Reviews: Participate in code reviews to maintain high-quality standards
• Troubleshooting: Debug and resolve application issues in a timely manner
• Testing: Develop and execute unit and integration tests to ensure software reliability
• Optimize: Identify and address performance bottlenecks to enhance application performance

Qualifications & Skills:

• Strong knowledge of Java, Spring Framework (Spring Boot, Spring MVC), and Hibernate/JPA
• Experience with microservices architecture, distributed systems, and complex system design
• Familiarity with RESTful APIs and web services
• Proficiency in working with relational databases like MySQL or PostgreSQL
• Experience with build tools like Maven or Gradle
• Understanding of version control systems, especially Git
• Strong understanding of object-oriented programming principles and design patterns
• Familiarity with automated testing frameworks and methodologies
• Understanding of AWS environments and cloud-based application deployment
• Experience working with CI/CD pipelines and DevOps practices
• Excellent problem-solving skills and attention to detail
• Strong communication skills and ability to work effectively in a collaborative team environment 

Why Join Us?

• Opportunity to work on cutting-edge technology products
• A collaborative and learning-driven environment
• Exposure to AI and software engineering innovations
• Excellent work ethic and culture

If you're passionate about technology and want to work on impactful projects, we'd love to hear from you

Key Responsibilities:

• Around 4+ years of experience in Java backend development. Candidates with 3+ years of relevant experience may also be considered.
• Strong problem-solving and coding skills in Java are mandatory.
• Strong knowledge of the Spring Framework, including Spring Boot, RS services, and Spring Batch.
• Experience with microservices architecture is preferred. Candidates with basic microservices exposure may also be considered.
• Good understanding of SQL and NoSQL databases. Strong knowledge of at least one database system, such as BigQuery or Oracle, is mandatory.
• Exposure to Kafka, Docker and Kubernetes will be an added advantage.
• Familiarity with AI coding tools such as Claude Code or Cursor will be an added advantage.
• Candidates should have strong programming fundamentals to validate and review AI-generated outputs.

📝 Job Description: Full Stack Java Developer (4.5+ Years)

📌 Position Overview

We are seeking a highly motivated Full Stack Java Developer with 4+ years of professional experience to join our dynamic team. The ideal candidate will be responsible for designing, developing, and maintaining scalable web applications, working across both backend and frontend technologies.

🔑 Key Responsibilities

• Develop and maintain Java-based backend services using Spring Boot, Hibernate/JPA, and RESTful APIs.
• Build responsive and interactive frontend applications using React.
• Experience with AI tools 
• Collaborate with cross-functional teams to define, design, and ship new features.
• Optimize application performance and ensure scalability.
• Write clean, maintainable, and testable code with unit testing frameworks (JUnit, Mockito).
• Participate in code reviews, troubleshooting, and debugging across the stack.
• Work with CI/CD pipelines, Docker/Kubernetes, and cloud platforms (AWS/Azure/GCP).

🎯 Required Skills & Qualifications

• Bachelor’s degree in Computer Science, Engineering, or related field.
• 4+ years of experience in Java development and full stack application design.
• Strong knowledge of Spring Boot, Hibernate/JPA, REST APIs.
• Hands-on experience with frontend frameworks (React/Angular/Vue.js).
• Proficiency in SQL/NoSQL databases (MySQL, PostgreSQL, MongoDB).
• Familiarity with DevOps tools (Git, Jenkins, Docker, Kubernetes).
• Strong problem-solving skills and ability to work independently.

🌟 Preferred Qualifications

• Experience with microservices architecture.
• Exposure to cloud-native applications (AWS/Azure/GCP).
• Knowledge of Agile/Scrum methodologies.
• Good communication and teamwork skills.

Job Description:

We are looking for a skilled Java Full Stack Developer with strong experience in Java, Spring Boot, and Microservices, along with basic or junior-level React.js knowledge. The candidate will be responsible for developing scalable backend applications and supporting frontend development.

Key Responsibilities:

• Develop and maintain applications using Java and Spring Boot.
• Design, develop, and integrate RESTful APIs.
• Build and maintain Microservices-based applications.
• Work with databases and optimize application performance.
• Support frontend development using React.js.
• Collaborate with cross-functional teams to deliver quality solutions.

Required Skills:

• Strong experience in Java and Spring Boot.
• Hands-on experience with Microservices architecture.
• Experience developing REST APIs.
• Basic or junior-level knowledge of React.js.
• Understanding of databases, debugging, and application performance.
• Good problem-solving and communication skills.

Full-Stack Developer, Java + Spring Boot + ReactJS (4–7 years, 2 positions)

Location: Bengaluru (5 days in office) | CTC: ₹16–24 LPA | Joining: within 15 days

Must-have skills

Backend: Java and Spring Boot

• Core Java 8+: OOP, collections, exception handling, streams
• Spring Boot: building REST APIs, controllers, services, repositories
• Spring Data JPA / Hibernate for database operations
• Request validation and global exception handling

Frontend: ReactJS

• React functional components and hooks (useState, useEffect)
• Props, state, forms, and conditional rendering
• Calling REST APIs from React (Axios or fetch) and handling responses and errors
• JavaScript ES6+, HTML5, CSS3

Database

• SQL: joins, aggregations, writing and debugging queries
• PostgreSQL, MySQL, or SQL Server
• Basic table and relationship design

APIs and integration

• Building and consuming RESTful APIs
• Connecting a React frontend to a Spring Boot backend end to end
• API testing with Postman or Swagger

Security basics

• Login and authentication flows, JWT
• Role-based access fundamentals
• Input validation and secure coding basics

Engineering practices

• Git: branching, pull requests, resolving merge conflicts
• Unit testing with JUnit and Mockito
• Debugging and fixing issues across UI, API, and database
• Taking part in code reviews
• Agile/Scrum way of working

Good to have

• TypeScript
• Java 17+
• Microservices
• Redux or Context API for state management
• CI/CD (GitLab, Jenkins, or GitHub Actions)
• Docker
• Azure (AWS or GCP also acceptable)
• Kafka, RabbitMQ, or Azure Service Bus
• SaaS product experience

What the candidate should be able to do

• Deliver a feature end to end on their own: React screen, Spring Boot API, and database changes
• Understand a requirement and turn it into working code with minimal hand-holding
• Debug production issues across frontend and backend
• Write clean, tested, reviewable code

Non-technical requirements

• Based in Bengaluru, or able to relocate immediately
• Willing to work 5 days a week from the office
• Can join within 15 days of offer acceptance
• Expected CTC within ₹16–24 LPA
• Clear communication and an ownership mindset

Exp- 3-10 years

Notice period- Serving notice period or immediete

Location-Bangalore

Required Skills and Qualifications 

Backend: 

• Strong programming skills in Core Java, Java 8+ 

• Experience with Spring Boot, RESTful APIs, Microservices architecture 

• Good understanding of JPA/Hibernate, and SQL/NoSQL databases 

Frontend: 

• Proficient in React.js, JavaScript (ES6+), HTML5, CSS3 

• Experience with Redux, React Hooks, and component-based architecture 

• Familiarity with front-end build tools (Webpack, Babel, NPM)

Key Responsibilities

• Develop and maintain scalable backend services using Core Java / Spring Boot 

• Design and implement responsive, high-quality front-end interfaces using React.js 

• Integrate backend APIs with frontend components seamlessly 

• Collaborate with product managers, architects, and QA to deliver quality software 

• Ensure code quality through unit testing, code reviews, and performance tuning 

• Troubleshoot and debug production issues as needed 

Job Summary

We are looking for an experienced Java Spring Boot Developer with strong expertise in Java, Spring Boot, and Microservices. The ideal candidate should have basic or junior-level experience with React.js and be comfortable working on backend development with some frontend integration.

Key Responsibilities

• Design, develop, and maintain scalable applications using Java and Spring Boot.
• Develop and maintain RESTful APIs and microservices-based applications.
• Build and enhance backend services based on business requirements.
• Work with databases, write optimized SQL queries, and manage data efficiently.
• Collaborate with frontend developers to integrate backend services with React.js applications.
• Participate in code reviews, debugging, troubleshooting, and performance optimization.
• Follow coding standards and contribute to application design and technical documentation.
• Work closely with cross-functional teams to deliver high-quality software solutions.

Mandatory Skills

• Java: Strong hands-on experience in Java development.
• Spring Boot: Experience developing applications using Spring Boot.
• Microservices: Hands-on experience designing and developing microservices.
• React.js: Basic or junior-level experience with React.js.
• REST APIs: Experience developing and integrating RESTful web services.
• SQL/Database: Working knowledge of SQL and relational databases.

Required Experience

• 5–7 years of overall software development experience.
• Strong backend development expertise in Java, Spring Boot, and Microservices.
• Basic working knowledge of React.js is sufficient.
• Good problem-solving, communication, and teamwork skills.

Job Title: Java Full Stack Developer

Location: Mumbai

Experience: 5–7 Years

Job Description:

We are looking for an experienced Java Full Stack Developer with strong knowledge of Java, Spring Boot, Microservices, JavaScript, and React. The candidate should have hands-on experience in developing scalable applications, building REST APIs, and working on both backend and frontend development.

Key Responsibilities:

Develop and maintain applications using Java, Spring Boot, and Microservices. Build and integrate RESTful APIs and develop responsive user interfaces using React and JavaScript. Work with databases, troubleshoot technical issues, and ensure application performance and code quality. Collaborate with cross-functional teams throughout the development lifecycle.

Skills:

Java, Spring Boot (SB), Microservices (MS), JavaScript (JS), React.js, REST APIs, SQL, and application development.