Java Full stack (Java + React) at Wissen Technology · Bengaluru (Bangalore) · 3 - 10 years · Profitable · Posted 3 Nov 2026

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

About Wissen Technology
About
The Wissen Group was founded in the year 2000. Wissen Technology, a part of Wissen Group, was established in the year 2015. Wissen Technology is a specialized technology company that delivers high-end consulting for organizations in the Banking & Finance, Telecom, and Healthcare domains.
With offices in US, India, UK, Australia, Mexico, and Canada, we offer an array of services including Application Development, Artificial Intelligence & Machine Learning, Big Data & Analytics, Visualization & Business Intelligence, Robotic Process Automation, Cloud, Mobility, Agile & DevOps, Quality Assurance & Test Automation.
Leveraging our multi-site operations in the USA and India and availability of world-class infrastructure, we offer a combination of on-site, off-site and offshore service models. Our technical competencies, proactive management approach, proven methodologies, committed support and the ability to quickly react to urgent needs make us a valued partner for any kind of Digital Enablement Services, Managed Services, or Business Services.
We believe that the technology and thought leadership that we command in the industry is the direct result of the kind of people we have been able to attract, to form this organization (you are one of them!).
Our workforce consists of 1000+ highly skilled professionals, with leadership and senior management executives who have graduated from Ivy League Universities like MIT, Wharton, IITs, IIMs, and BITS and with rich work experience in some of the biggest companies in the world.
Wissen Technology has been certified as a Great Place to Work®. The technology and thought leadership that the company commands in the industry is the direct result of the kind of people Wissen has been able to attract. Wissen is committed to providing them the best possible opportunities and careers, which extends to providing the best possible experience and value to our clients.
Connect with the team
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JOB DESCRIPTION
Experience: 5-8 years
Fullstack Developer (React Heavy+ Java)
Required Skills and Qualifications
Frontend:
• Proficient in React.js
• Experience with Redux, React Hooks, and component-based architecture
• Familiarity with front-end build tools (Webpack, Babel, NPM)
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
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
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
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.
The recruiter has not been active on this job recently. You may apply but please expect a delayed response.
📝 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.
The recruiter has not been active on this job recently. You may apply but please expect a delayed response.
Java Full Stack Developer – React
Experience: 4.5–8 Years
Location: Bangalore / Hyderabad
Work Mode: Hybrid
Job Description
We are looking for an experienced Java Full Stack Developer with strong hands-on expertise in Java, Spring Boot, Microservices, REST APIs, and React.js. The candidate will be responsible for developing scalable applications across both backend and frontend, integrating APIs, and working closely with cross-functional teams.
Responsibilities
- Develop and maintain applications using Java, Spring Boot, and Microservices.
- Build responsive and user-friendly web applications using React.js.
- Design, develop, and integrate RESTful APIs.
- Work with databases such as SQL/Oracle and perform database queries.
- Implement application features, enhancements, and bug fixes.
- Write clean, reusable, and maintainable code.
- Participate in Agile/Scrum ceremonies and collaborate with development teams.
- Work with Git, CI/CD, and build/deployment processes.
- Troubleshoot application issues and support production releases.
Must-Have Skills
- Java
- Spring Boot
- Microservices
- REST APIs
- React.js
- JavaScript / HTML / CSS
- SQL
- Git
- Agile/Scrum
Experience: 4.5–8 Years
Locations: Bangalore / Hyderabad
Job Description: Full Stack Java + React Developer
Role: Full Stack Developer
Skills: Java, Spring Boot, React.js
Job Summary
We are looking for an experienced Full Stack Developer with strong expertise in Java, Spring Boot, and React.js to design, develop, and maintain scalable web applications.
Required Skills
- Strong hands-on experience in Java and Spring Boot.
- Experience developing frontend applications using React.js.
- Good understanding of REST APIs and microservices architecture.
- Experience with JavaScript, HTML5, and CSS3.
- Knowledge of SQL databases such as MySQL, PostgreSQL, or Oracle.
- Familiarity with Git, unit testing, and CI/CD pipelines.
- Strong problem-solving and communication skills.
Preferred Skills
Job Description
We are looking for a skilled Java Full Stack Developer with strong experience in backend development using Java and Spring Boot, along with frontend technologies such as React.js or Angular. The candidate should have hands-on experience building scalable web applications, REST APIs, and microservices.
Key Responsibilities
- Develop and maintain full-stack applications using Java, Spring Boot, and modern frontend frameworks.
- Design and implement RESTful APIs and microservices.
- Build responsive user interfaces using React.js or Angular, JavaScript, TypeScript, HTML, and CSS.
- Integrate frontend applications with backend services and databases.
- Write clean, reusable, and maintainable code following coding standards.
- Perform unit testing, debugging, code reviews, and performance optimization.
- Work with SQL and NoSQL databases.
- Support CI/CD pipelines, application deployments, and production troubleshooting.
- Collaborate with QA, DevOps, and product teams in an Agile environment.
Primary Skills
- Java 8/11/17+
- Spring Boot / Spring Framework
- Microservices Architecture
- REST APIs
- React.js or Angular
- JavaScript / TypeScript
- HTML5 / CSS3
- SQL / Database Integration
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.
Job Description
We are looking for a skilled Java Full Stack Developer with hands-on experience in React.js for front-end development and strong expertise in Java-based back-end technologies. The ideal candidate should have 3+ years of experience in building scalable applications, preferably within the banking or fintech domain, with additional exposure to end-to-end product development from scratch.
Key Responsibilities
- Develop, test, and deploy scalable full-stack applications using Java (Spring Boot, Hibernate, etc.) on the back end and React.js on the front end.
- Collaborate with cross-functional teams (Business Analysts, QA, DevOps, Product Owners) to deliver high-quality solutions.
- Write clean, maintainable, and efficient code following best practices.
- Design and implement RESTful APIs and integrate with third-party services.
- Ensure application performance, security, and responsiveness.
- Troubleshoot, debug, and optimize application performance.
- Contribute to product development from scratch, including architecture design, coding standards, and feature delivery.
- Stay up to date with emerging technologies, especially within the fintech and banking domain.
Required Skills
- Strong programming skills in Java, Spring Boot, Hibernate/JPA.
- Proficiency in React.js, HTML5, CSS3, and JavaScript/TypeScript.
- Experience in building RESTful APIs and integrating with front-end systems.
- Solid understanding of relational databases (MySQL, PostgreSQL, Oracle) and query optimization.
- Knowledge of CI/CD pipelines and cloud platforms (AWS, Azure, or GCP) is a plus.
- Familiarity with Agile methodologies and version control tools (Git).
- Good problem-solving and analytical skills.
Preferred Qualifications
- Prior experience in Banking or Fintech projects.
- Proven experience in end-to-end product development from scratch.
- Knowledge of microservices architecture.
- Exposure to containerization tools (Docker, Kubernetes).
Education
Bachelor's or Master's degree in Computer Science, Information Technology, or related field.
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










