Java Developer

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.

Urgent Requirement 🔥

👉 Java Backend with AWS

👉 Java Backend with React, Spring Boot, Microservices

Exp: 3+ Yrs

Loc: Chennai, Bangalore, Hyderabad

Immediate Joiners Preferred!

Required Skills

• 5+ years of experience in Backend Java Development.
• Strong proficiency in Core Java.
• Hands-on experience with Spring Boot.
• Experience with Spring Framework, Spring Data JPA, and Hibernate.
• Experience with Spring Batch.
• Strong understanding of RESTful APIs.
• Good knowledge of Microservices architecture.
• Strong experience with SQL databases.
• Exposure to NoSQL databases.
• Experience with Git and CI/CD.
• Experience with JUnit, Mockito, or similar testing frameworks.
• Strong debugging and troubleshooting skills.
• Good understanding of software development best practices.

Good-to-Have Skills

• Docker / Kubernetes
• AWS / Azure / GCP
• Kafka / RabbitMQ
• Redis
• Swagger / OpenAPI
• Monitoring and logging tools

Job Summary

We are looking for a skilled Java Full Stack Developer with 3–5 years of experience in backend development using Java, Spring Boot, and Hibernate, along with working knowledge of frontend technologies such as Angular or React.js and JavaScript. The ideal candidate should have experience in developing scalable web applications, RESTful APIs, and collaborating with cross-functional teams in an Agile environment.

Key Responsibilities

• Design, develop, and maintain backend applications using Java, Spring Boot, and Hibernate.
• Develop and consume RESTful APIs and integrate them with frontend applications.
• Build responsive user interfaces using Angular or React.js.
• Write clean, maintainable, and efficient code following coding standards.
• Develop and optimize SQL queries and database operations.
• Troubleshoot and resolve application issues and performance bottlenecks.
• Participate in code reviews, unit testing, and application deployments.
• Collaborate with QA, DevOps, and Business teams throughout the Software Development Life Cycle (SDLC).
• Work in Agile/Scrum teams to deliver high-quality software solutions.

Required Technical Skills Backend

• Strong experience in Core Java and Java 8+
• Spring Boot
• Hibernate / JPA
• Spring MVC
• RESTful API Development
• Microservices Architecture
• SQL (Oracle, MySQL, PostgreSQL, or SQL Server)

Frontend

• Hands-on experience with Angular or React.js
• Strong knowledge of JavaScript
• Basic understanding of HTML5 and CSS3
• Experience integrating frontend applications with REST APIs

Educational Qualification

• Bachelor's Degree in:
• Computer Science
• Information Technology
• Electronics
• Or a related field

Soft Skills

• Strong analytical and problem-solving skills
• Excellent communication and interpersonal skills
• Ability to work independently and collaboratively
• Strong debugging and troubleshooting skills
• Adaptability to a fast-paced environment

Mandatory Skills:

• Strong experience in Java and Spring Boot.
• Hands-on experience with Microservices architecture.
• Strong frontend development experience with React.js
• Proficient in JavaScript/TypeScript, HTML5, and CSS3.
• Experience developing and consuming REST APIs.
• Experience with JUnit and unit testing practices.
• Good understanding of relational databases and SQL.
• Experience with cloud/SaaS technologies, preferably AWS.
• Exposure to AWS SNS, SQS, S3, RDS, and Elasticsearch.
• Experience with MongoDB is preferred.
• Familiarity with Git and standard CI/CD development practices.
• Good understanding of application security, performance, and scalability.

Role & Responsibilities

• Design, develop, and maintain scalable full-stack applications using Java, Spring Boot, and React.js.
• Develop and manage microservices-based architectures and REST APIs.
• Build responsive and user-friendly front-end applications using React.js.
• Implement event-driven solutions using Apache Kafka.
• Ensure application performance, scalability, security, and code quality.
• Lead technical discussions, conduct code reviews, and guide development teams.
• Collaborate with cross-functional teams to deliver high-quality software solutions.

Preferred Candidate Profile

• 9–12 years of experience in full-stack development.
• Strong hands-on experience with Java, Spring Boot, Microservices Architecture, React.js, REST APIs, and Kafka.
• Proven experience in end-to-end full-stack application development.
• Strong technical leadership, problem-solving, and communication skills.
• Experience leading development teams and mentoring developers.
• Work Location: Hyderabad / Bangalore
• Notice Period: Immediate joiners only
• Budget: ₹27–30 LPA
• Virtual Drive: 28 October 2026 (Wednesday)

Perks and Benefits

• Opportunity to work on enterprise-level full-stack applications.
• Exposure to modern Java, React, microservices, and event-driven technologies.
• Opportunities for technical leadership and career growth.
• Competitive compensation based on experience and skills.

Job Summary:

We are looking for an experienced Java Full Stack Developer with strong expertise in backend development using Java and Spring Boot, along with hands-on experience in React.js for frontend development.

Key Responsibilities:

• Design, develop, and maintain scalable web applications using Java and Spring Boot.
• Develop responsive and user-friendly frontend applications using React.js.
• Build and integrate RESTful APIs and backend services.
• Work with databases and write efficient SQL queries.
• Collaborate with UI/UX, QA, DevOps, and other technical teams.
• Participate in code reviews, debugging, and performance optimization.
• Troubleshoot application issues and implement effective solutions.
• Follow Agile/Scrum development practices.
• Ensure code quality, security, scalability, and maintainability.

Mandatory Skills:

• 6–10 years of experience in Java Full Stack Development.
• Strong hands-on experience in Core Java.
• Strong experience with Spring Boot / Spring Framework.
• Hands-on experience in React.js.
• Experience in REST API development and integration.
• Good understanding of HTML, CSS, and JavaScript.
• Experience with SQL / relational databases.
• Good understanding of Microservices architecture.
• Experience with Git and Agile methodologies.

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!

Senior Full-Stack Developer – Skills

Experience: 6–9 years | Location: Bengaluru (5 days in office) | Joining: within 15 to 30 days

Must-have skills

Backend (Java and Spring Boot)

• 6+ years of hands-on Java development with Java 11/17+, including multithreading, concurrency, and the collections framework.
• Strong Spring Boot experience: REST APIs, Spring Data JPA, Spring Security, configuration, and exception handling.
• Designing clean, versioned REST APIs with consistent error handling and documentation (Swagger/OpenAPI).
• Performance tuning and optimisation of backend services.

Frontend (ReactJS)

• Hands-on production experience building React applications with hooks and functional components.
• State management using Redux or the Context API.
• Building reusable component libraries and structuring a scalable frontend codebase.
• Strong JavaScript (ES6+); TypeScript is preferred.
• Frontend performance optimisation (rendering, lazy loading, bundle size).

Database

• Strong SQL skills with PostgreSQL, MySQL, or SQL Server.
• Schema design, indexing, query optimisation, and transaction handling.
• JPA/Hibernate, including how to avoid common pitfalls such as N+1 queries and lazy-loading issues.

Security

• Authentication and authorisation using JWT and OAuth 2.0 / OIDC.
• Role-based access control.
• Secure coding practices (OWASP Top 10 awareness).

Quality and testing

• Unit and integration testing with JUnit and Mockito.
• Frontend testing with Jest or React Testing Library.
• Ability to set and enforce testing standards for the team.

Debugging and production support

• Debugging complex issues across the full stack (UI, API, and database).
• Root-cause analysis of production incidents and permanent fixes.

Senior-level responsibilities

• Solution design: breaking features into components, APIs, and data models before development starts.
• Code reviews: leading reviews and setting coding standards and best practices.
• Mentoring: guiding and unblocking two full-stack developers through pairing, reviews, and design discussions.
• Technical ownership: owning modules end to end, from design through deployment and support.
• Estimation and planning: sizing work realistically and flagging risks early to the CTO and product team.
• Communication: explaining technical decisions clearly to engineers, the CTO, and product stakeholders.

Good-to-have skills

• Microservices architecture and design patterns
• Microsoft Azure (preferred); AWS or GCP also valued
• Docker, with basic Kubernetes knowledge
• CI/CD pipelines (GitLab, Jenkins, or GitHub Actions)
• Messaging systems: Kafka, RabbitMQ, or Azure Service Bus
• Experience with multi-tenant SaaS products
• Exposure to aviation, training, EdTech, or other regulated domains
• AI/LLM integration in applications

Screening checklist

CheckMust showSpring BootProduction APIs they designed, not only builtReactProduction screens they built hands-on, not only integratedDesign ownershipAt least one module or feature they designed end to endCode reviewsEvidence they review others’ code and enforce standardsMentoringHas guided at least one junior or mid-level developerDebuggingCan walk through a real production issue they solvedAvailabilityCan join within 15 days and work 5 days from the Bengaluru office

Role Overview

We are looking for a Java Full Stack Developer with Python experience who has strong hands-on experience in backend and frontend development.

Key Responsibilities

• Develop and maintain applications using Java, Spring Boot and Microservices.
• Build and integrate REST APIs.
• Develop full-stack applications using React.js or Angular.
• Use Python for application development, automation, or backend services.
• Work with SQL databases and perform database-related development.
• Participate in design, development, testing, and deployment of applications.
• Collaborate with cross-functional teams to deliver scalable solutions.

Required Profile

• Strong experience in Java Full Stack Development.
• Hands-on experience with Spring Boot and Microservices.
• Good experience in Python.
• Strong knowledge of REST APIs and SQL.
• Experience with React.js or Angular for UI development.
• Candidates should have genuine Full Stack Development experience.