Full stack developer at Wissen Technology · Bengaluru (Bangalore) · 5 - 8 years · ₹10L - ₹30L / yr · Profitable · Posted 19 Oct 2026

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

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.
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Job Description: Java Full Stack Developer – Java & React
Experience: 5+ Years
Location: Hyderabad
Key Skills:
- Strong experience in Java
- Hands-on experience with React
- Strong knowledge of Spring Boot
- Experience with Microservices
- Good knowledge of REST APIs
- Experience in developing scalable and high-performance applications
- Strong problem-solving and debugging skills
Roles & Responsibilities:
- Design, develop, and maintain full-stack applications using Java and React.
- Develop scalable backend services using Spring Boot and Microservices.
- Build responsive front-end applications using React.
- Develop and integrate RESTful APIs.
- Perform coding, testing, debugging, and code reviews.
- Collaborate with cross-functional teams throughout the development lifecycle.
Applications on this job are not being reviewed actively. You may apply but please follow up with the company via other channels too.
Experience- 8-10 Years
Java FSD
Springboot
Microservices
Angular
React
Only Immediate Joiners
Mumbai (No Relocation)
Applications on this job are not being reviewed actively. You may apply but please follow up with the company via other channels too.
🚨 Hiring: Java + ReactJS Full Stack Developer | Bangalore 🚨
We are looking for Java + ReactJS Full Stack Developers with 5+ years of experience for an exciting opportunity in Bangalore.
📌 Role: Java + ReactJS Developer
💼 Experience: 5+ Years
💰 CTC: Up to ₹26 LPA
📍 Location: Bangalore
🗓️ Interview: Face-to-Face (F2F)
⏰ Availability: Weekdays & Weekends
🎯 Hiring: Immediate / Active hiring
Key Skills:
Core Java / Advanced Java
Spring Boot
REST APIs / Microservices
ReactJS
JavaScript / HTML / CSS
SQL
Full Stack Development
#Hiring #JavaDeveloper #ReactJS #FullStackDeveloper #JavaJobs #ReactJobs #BangaloreJobs #TechHiring #SoftwareJobs #ITJobs #HiringNow
Hari Prasath | Sowmya Selvakumaran
Applications on this job are not being reviewed actively. You may apply but please follow up with the company via other channels too.
Dear Candidate,
Thanks for showing interest towards the opportunity!!!
As discussed, we have an opening for a Java Full Stack Developer in Mumbai.
Job Description:
We are looking for an experienced Java Developer with hands-on expertise in Java, Spring Boot, Microservices, and React.js to develop scalable and high-performance applications.
Primary & Mandatory Skills:
- Java
- Spring Boot
- Microservices
- React.js
Role Details:
- Role: Java Full Stack Developer
- Experience: 5–7 Years
- Location: Mumbai
Interested candidates, please share your updated resume along with your current CTC, expected CTC, and notice period.

Technical Skills
● Strong in React / Angular / Vue.
● Required skills: state management, responsive UI design, component-based architecture.
● Strong in at least one backend stack such as Java (Spring Boot) / .NET / Python.
● Experience with REST APIs / GraphQL and authentication / authorization.
● Strong in PostgreSQL / MySQL / SQL Server.
● Knowledge of NoSQL such as MongoDB / Redis is a plus.
● Understanding of microservices / modular monolith, API-first design, and event-driven systems at a basic level.
● Familiar with Git, CI/CD pipelines, and Docker.
● Cloud technology exposure in Microsoft Azure / AWS.
- 5–8 years of experience in full-stack development.
- Strong hands-on experience with React.js and JavaScript/TypeScript.
- Develop reusable, responsive, and high-performance UI components.
- Experience with React Hooks, Redux, Context API, and frontend state management.
- Strong knowledge of Core Java, Java 8/11/17+, and object-oriented programming.
- Hands-on experience with Spring Boot, Spring MVC, and Spring Security.
- Design, develop, and integrate RESTful APIs and microservices.
- Work with databases such as PostgreSQL, MySQL, or Oracle.
- Write unit, integration, and frontend tests using tools such as JUnit, Jest, or React Testing Library.
- Collaborate with product managers, UI/UX designers, QA engineers, and development teams.
- Participate in design discussions, code reviews, sprint planning, and Agile ceremonies.
- Troubleshoot application issues and optimize system performance.
- Use Git, Maven/Gradle, and CI/CD pipelines for development and deployment.
- Exposure to Docker, Kubernetes, AWS, or other cloud platforms is an added advantage.
- Strong problem-solving, communication, and teamwork skills.

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
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
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.
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








