
Job Title: Full Stack Developer (Java + React)
Location: Bangalore
Experience Level: 6–10 Years
Employment Type: Full-time
Job Summary-
Wissen Technology is looking for a skilled Full Stack Developer with strong experience in Java (backend) and React (frontend) to join our engineering team. You will be responsible for designing, developing, and maintaining scalable web applications, collaborating with cross-functional teams, and delivering high-quality software solutions.
Key Responsibilities
- Design, develop, and maintain robust, scalable, and secure web applications
- Build RESTful APIs using Java-based frameworks
- Develop responsive and dynamic user interfaces using React
- Collaborate with product managers, designers, and other developers to define and deliver features
- Write clean, maintainable, and efficient code following best practices
- Perform code reviews and mentor junior developers
- Troubleshoot, debug, and upgrade existing applications
- Ensure application performance, quality, and responsiveness
- Participate in Agile/Scrum development processes
Required Skills & Qualifications
- Strong proficiency in Java (8 or above) and backend frameworks such as Spring Boot
- Solid experience with React.js, including hooks, state management, and component lifecycle
- Experience building and consuming REST APIs
- Familiarity with frontend technologies: HTML5, CSS3, JavaScript (ES6+)
- Knowledge of databases such as MySQL, PostgreSQL, or MongoDB
- Experience with version control systems like Git
- Understanding of software development principles, design patterns, and data structures
- Familiarity with build tools like Maven or Gradle
- Basic understanding of cloud platforms (AWS, Azure, or GCP) is a plus

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
Similar jobs
We are hiring: Software Developers
Bangalore (5 days in office)
About Dino Ventures
Dino Ventures is a Bharat-focused, app-first company (5M+ app downloads
). We have 10+ live apps with flagship products like Samaj Saathi, Samjho, and Stick serving millions of users across India.
What you’ll do
- Build real-time, scalable, high-performance systems end-to-end — from backend services to user-facing apps
- Optimise across the stack: databases and services for performance and cost at scale, frontends for bundle size, load time, and UX polish
- Work with Node.js, PostgreSQL, Redis, ElasticSearch on the backend and SvelteKit, TypeScript, Tailwind, tRPC, Tanstack Query on the frontend (and more)
- Take ownership from design → implementation → production
What we’re looking for
- You are proficient in TypeScript/JavaScript — a Software Developer first, not tied to a single framework
- You are well-versed in databases — you understand indexing, query tuning, and internals
- You know your way around AI coding tools like Claude Code, Codex, etc.
- You care about all the tiny details — latency, network efficiency, race conditions, bundle size, load time, UX polish
- You can be scrappy when speed matters and write clean, well-designed systems when it counts
- You are enthusiastic and self-driven — ready to make a difference (Intent >>> Skills)
Why join us
- Solve real problems for Bharat users
- Work on multiple applications and build from scratch
- High ownership, zero bureaucracy
- Be part of an ambitious, product-first team
- See your work in production from Day 1
Design, develop, and maintain high-quality software solutions using programming
languages such as Java.
Implement backend services using frameworks like Spring Boot and frontend
interfaces using frameworks like React.
Apply deep knowledge of algorithms and data structures to solve complex problems
efficiently.
Optimize code for performance, scalability, and reliability.
Work with SQL and NoSQL databases to design, implement, and manage data storage
solutions.
Ensure data integrity and optimize database queries.
Leverage open-source tools and frameworks to develop scalable and maintainable
solutions.
Stay updated on the latest trends in open-source technologies.
Utilize Linux systems for development and deployment.
Automate and streamline processes using Linux tools and scripts.
Develop and maintain mobile applications that align with user requirements and
business goals.
Collaborate with cross-functional teams to ensure seamless integration with backend
systems.
Work closely with product managers, designers, and other engineers to bring ideas to
life.
Participate in code reviews, testing, and debugging to ensure high-quality
deliverables.
Job Title : Senior Full Stack Developer (Dashboard Applications)
Experience : 7+ Years
Location : Gurgaon (Mandatory)
Duration : 6 to 9 Months Contract (Initial 6 Months Commitment Mandatory)
Start Date : 1st April (Immediate Joiners Preferred)
Work Mode : Hybrid (Work From Home + 1 Day/Week at Home Office in Gurgaon)
Work Schedule : 45 Hours/Week + Mandatory Weekend Availability (Saturday & Sunday)
About the Role :
We are hiring a highly skilled Full Stack Developer based out of Gurgaon to work directly with the leadership team of a Cybersecurity Product Company.
This role focuses on building advanced, high-performance dashboard applications to significantly enhance the company’s product capabilities.
This is a high-ownership, high-impact role, where the selected candidate will work closely with the founder/leadership and contribute directly to core product innovation.
Mandatory Skills :
React + TypeScript, Dashboard/Data Visualization (ECharts/D3.js), Node.js (Fastify), Kafka (real-time streaming), ClickHouse, PostgreSQL, Redis, Microservices Architecture, Performance Optimization, Gurgaon-based candidate with 7+ years experience.
Important Note (Strict Requirements) :
- Candidate must be based in Gurgaon (No remote-only candidates)
- Must be comfortable working on weekends (Sat & Sun)
- Must commit to minimum 6 months
- Must be available for in-person collaboration (1 day/week at home office)
- No compromise on the above requirements
Key Responsibilities :
- Design and develop scalable, real-time dashboard applications
- Build data visualization systems using modern frontend frameworks
- Work on end-to-end full stack development (UI to backend APIs)
- Integrate large-scale data pipelines and streaming systems
- Optimize dashboards for performance, usability, and responsiveness
- Collaborate directly with leadership to translate business needs into technical solutions
- Contribute to architecture decisions and system design
Required Technical Skills :
Frontend :
- React.js (18+)
- TypeScript
- TailwindCSS
- State Management (Zustand / TanStack Query)
- Data Visualization:
- Apache ECharts
- D3.js
- Leaflet.js (Maps)
Backend :
- Node.js (20 LTS)
- Fastify (preferred)
- REST API Development
- Prisma ORM
Data & Streaming :
- Apache Kafka / KafkaJS
- Apache Flink (or Kafka Streams)
Databases :
- ClickHouse (must have for analytics use cases)
- PostgreSQL
- Redis
Good to Have :
- Graph DB (Neo4j)
- Object Storage (MinIO)
Machine Learning (Nice to Have) :
- Python (FastAPI)
- Basic experience with:
- scikit-learn
- pandas / numpy
- Understanding of anomaly detection systems
DevOps & Infrastructure :
- Docker & Kubernetes
- Terraform
- Nginx
- Monitoring: Prometheus, Grafana
- Observability: OpenTelemetry
- Authentication: Keycloak / JWT
Testing & Quality :
- Unit & Integration Testing:
- Vitest / Jest
- Supertest
- E2E Testing:
- Playwright
- Performance Testing:
- k6
What We’re Looking For :
- Strong experience in building complex dashboards or analytics platforms
- Ability to work independently as a single contributor
- High ownership and accountability mindset
- Strong problem-solving and system design skills
- Someone who is practical, execution-focused, and reliable
Why Join :
- Direct collaboration with leadership
- Opportunity to build cutting-edge cybersecurity dashboards
- High-impact role with end-to-end ownership
- Flexible work setup (with meaningful in-person collaboration)

Job Details
- Job Title: Lead I - Software Engineering - Java, Spring Boot, Microservices
- Industry: Global digital transformation solutions provider
- Domain - Information technology (IT)
- Experience Required: 5-7 years
- Employment Type: Full Time
- Job Location: Trivandrum, Chennai, Kochi, Thiruvananthapuram
- CTC Range: Best in Industry
Job Description
Job Title: Senior Java Developer Experience: 5+ years
Job Summary:
We are looking for a Senior Java Developer with strong experience in Spring Boot and Microservices to work on high-performance applications for a leading financial services client. The ideal candidate will have deep expertise in Java backend development, cloud (preferably GCP), and strong problem-solving abilities.
Key Responsibilities:
• Develop and maintain Java-based microservices using Spring Boot
• Collaborate with Product Owners and teams to gather and review requirements
• Participate in design reviews, code reviews, and unit testing
• Ensure application performance, scalability, and security
• Contribute to solution architecture and design documentation
• Support Agile development processes including daily stand-ups and sprint planning
• Mentor junior developers and lead small modules or features
Required Skills:
• Java, Spring Boot, Microservices architecture
• GCP (or other cloud platforms like AWS)
• REST/SOAP APIs, Hibernate, SQL, Tomcat
• CI/CD tools: Jenkins, Bitbucket
• Agile methodologies (Scrum/Kanban)
• Unit testing (JUnit), debugging and troubleshooting
• Good communication and team leadership skills
Preferred Skills:
• Frontend familiarity (Angular, AJAX)
• Experience with API documentation tools (Swagger)
• Understanding of design patterns and UML
• Exposure to Confluence, Jira
Mandatory Skills Required:
Strong proficiency in Java, spring boot, Microservices, GCP/AWS.
Experience Required: Minimum 5+ years of relevant experience
Java/J2EE (5+ years), Spring/Spring Boot (5+ years), Microservices (5+ years), AWS/GCP/Azure (mandatory), CI/CD (Jenkins, SonarQube, Git)
Java, Spring Boot, Microservices architecture
GCP (or other cloud platforms like AWS)
REST/SOAP APIs, Hibernate, SQL, Tomcat
CI/CD tools: Jenkins, Bitbucket
Agile methodologies (Scrum/Kanban)
Unit testing (JUnit), debugging and troubleshooting
Good communication and team leadership skills
******
Notice period - 0 to 15 days only (Immediate and who can join by Feb)
Job stability is mandatory
Location: Trivandrum, Kochi, Chennai
Virtual Interview - 14th Feb 2026
Note: Apply only if you have worked minimum of 2 years in your current organisation
Basic Qualifications
- Bachelor’s degree in Engineering with specialization in Computer science or related field
- 5+ years of experience as a software engineer in a product development setting
- Love of technology and experience with one or more programming languages from Java, Python, or Go
- Experience in full-stack development including designing APIs and integration patterns, implementing security, implementing frameworks for Unit and End-to-End testing
- Experience with micro-services architecture
- Experience in one or more frameworks like Spring, GRPC, Flask, etc.
- Extensive experience in a test-driven development environment
- Understanding of CI/CD practices including code check-in policies, automated unit tests, automated code deployments, etc.
- Ability to grasp new technologies and use them effectively to create industrial-strength software.
Preferred Qualifications
- Good communication skills. You can communicate well in the English language with product managers, your team members, and external stakeholders, to understand their needs and convey yours, in a clear, precise manner - verbally, or in writing.
- Strong collaboration skills. You have demonstrated the ability to work with both - senior & junior technical professionals and get work done. You quickly earn the trust of the people you work with. People enjoy and have fun working with you.
- Deadline oriented. You understand that deadlines are meant to be met. Challenges will surface, and obstacles and roadblocks will cause delays, but you plan for them in advance and still ship your features on time to meet your commitments.
- Bias for action. Your default setting is to take action, and not wait for things to happen. You love to learn about new technologies and advancements in the software industry.
KEY RESPONSIBILITIES
- Building a website based on the given requirements and ensure it’s successfully deployed
- Responsible for designing, planning, and testing new web pages and site features
- A propensity for brainstorming and coming up with solutions to open-ended problems
- Work closely with other teams, and project managers, to understand all stakeholders’ requirements and ensure that all specifications and requirements are met in final development
- Troubleshoot and solve problems related to website functionality
- Takes ownership of initiatives and drives them to completion.
- Desire to learn and dive deep into new technologies on the job, especially around modern data storage and streaming open source systems
- Responsible for creating, optimizing, and managing REST APIs
- Create website content and enhance website usability and visibility
- Ensure cross-browser compatibility and testing for mobile responsiveness
- Ability to integrate payment processing and search functionality software solutions
- Stay up-to-date with technological advancements and the latest coding practices
- Collaborate with the team of designers, content managers, and developers to determine site goals, functionality, and layout
- Monitor website traffic and overall system’s health with Google analytics to ensure high GTmetrix score
- Build the front-end of applications through appealing visual design
- Design client-side and server-side architecture
- Develop server-side logic and APIs that integrate with front-end applications.
- Architect and design complex database structures and data models.
- Develop and implement backend systems to support scalable and high-performance web applications.
- Create automated tests to ensure system stability and performance.
- Ensure security and data privacy measures are maintained throughout the development process.
- Maintain an up-to-date changelog for all new, updated, and fixed changes.
- Ability to document and manage all the software design, requirements, reusable & transferable code, and other technical aspects of the project.
- Create and convert storyboards and wireframes into high-quality full-stack code
- Write, execute, and maintain clean, reusable, and scalable code
- Design and implement low-latency, high-availability, and performant applications
- Implement security and data protection
- Ensure code that is platform and device-agnostic
EDUCATION & SKILLS REQUIREMENT
- B.Tech. / BE / MS degree in Computer Science or Information Technology
- Expertise in MERN stack (MongoDB, Express.js, React.js, Node.js)
- Should have prior working experience of at least 3 years as web developer or full stack developer
- Should have done projects in e-commerce or have preferably worked with companies operating in e-commerce
- Should have expert-level knowledge in implementing frontend technologies
- Should have worked in creating backend and have deep understanding of frameworks
- Experience in the complete product development life cycle
- Hands-on experience with JavaScript, HTML, CSS, JQuery, JSON, PHP, XML
- Proficiency in databases, including analytical (e.g., mySQL, MongoDB, PostgreSQL, DynamoDB, Redis, Hive, Elastic etc.)
- Knowledge of architecting or implementing search APIs
- Great understanding of data modeling and RESTful APIs
- Strong knowledge of CS fundamentals, data structures, algorithms, and design patterns
- Strong analytical, consultative, and communication skills
- Excellent understanding of Microsoft office tools : excel, word, powerpoint etc.
- Excellent organizational and time management skills
- Experience with responsive and adaptive design (Web, Mobile & App)
- Should be a self starter and have ability to work without being supervised
- Excellent debugging and optimization skills
- Experience building high throughput/low latency systems.
- Knowledge of big data systems such as Cassandra, Elastic, Kafka, Kubernetes, and Docker
- Should be willing to be a part of a small team and working in fast-paced environment
- Should be highly passionate about building products that create a significant impact.
- Should have experience in user experience design, website optimization techniques and different PIM tools
About Kloud9:
Kloud9 exists with the sole purpose of providing cloud expertise to the retail industry. Our team of cloud architects, engineers and developers help retailers launch a successful cloud initiative so you can quickly realise the benefits of cloud technology. Our standardised, proven cloud adoption methodologies reduce the cloud adoption time and effort so you can directly benefit from lower migration costs.
Kloud9 was founded with the vision of bridging the gap between E-commerce and cloud. The E-commerce of any industry is limiting and poses a huge challenge in terms of the finances spent on physical data structures.
At Kloud9, we know migrating to the cloud is the single most significant technology shift your company faces today. We are your trusted advisors in transformation and are determined to build a deep partnership along the way. Our cloud and retail experts will ease your transition to the cloud.
Our sole focus is to provide cloud expertise to retail industry giving our clients the empowerment that will take their business to the next level. Our team of proficient architects, engineers and developers have been designing, building and implementing solutions for retailers for an average of more than 20 years.
We are a cloud vendor that is both platform and technology independent. Our vendor independence not just provides us with a unique perspective into the cloud market but also ensures that we deliver the cloud solutions available that best meet our clients' requirements.
What we are looking for:
● Overall 8+ Years of Experience in Web Application development.
● 5+ Years of development experience with JAVA8 , Springboot, Microservices and middleware
● 3+ Years of Designing Middleware using Node JS platform.
● Good to have 2+ Years of Experience in using NodeJS along with AWS Serverless platform.
● Good Experience with Javascript / TypeScript, Event Loops, ExpressJS, GraphQL, SQL DB (MySQLDB), NoSQL DB(MongoDB) and YAML templates.
● Good Experience with TDD Driven Development and Automated Unit Testing.
● Good Experience with exposing and consuming Rest APIs in Java 8, Springboot platform and Swagger API contracts.
● Good Experience in building NodeJS middleware performing Transformations, Routing, Aggregation, Orchestration and
Authentication(JWT/OAUTH).
● Experience supporting and working with cross-functional teams in a dynamic environment.
● Experience working in Agile Scrum Methodology.
● Very good Problem-Solving Skills.
● Very good learner and passion for technology.
● Excellent verbal and written communication skills in English
● Ability to communicate effectively with team members and business stakeholders
Why Explore a Career at Kloud9:
With job opportunities in prime locations of US, London, Poland and Bengaluru, we help build your career paths in cutting edge technologies of AI, Machine Learning and Data Science. Be part of an inclusive and diverse workforce that's changing the face of retail technology with their creativity and innovative solutions. Our vested interest in our employees translates to delivering the best products and solutions to our customers.
Us: At https://www.bito.co" target="_blank">Bito, we are on a mission to help developers get work done and collaborate like never before.
You: Hungry, results-driven with a startup mindset.
Our company is a very early-stage startup that hopes to dramatically improve how developers collaborate, especially in a remote world. Our founders have started, built, and taken a company public worth over $2B. We are looking to take our learnings, learn a lot along with you, and do something more exciting this time. We are on that initial dreamy, crazy journey of finding product market fit. Although the early journey will be difficult, we can assue you that it will be incredibly rewarding too!
We are looking for software engineers who enjoy solving challenging and complex problems. Design and write code which is easy to understand and support with good understanding of algorithms and data structures. You will work in the team leading our efforts to bring our app to developers around the world.
We are building this company with a fully remote approach, with our main teams for time zone management in the US and in India.
Requirements:
- Minimum 3+ years of hands-on development experience
- Strong in Java, Go, JavaScript.
- Having hands on experience with programming in other languages is a plus
- Strong understanding and experience with high scale and high-performance distributed systems
- Well versed with REST and micro services as well API design experience
- Basic knowledge of spring and AngularJS
- Hands on experience with Git, CI/CD frameworks
- Hands on experience with NO SQL, SQL data stores
- Making complex technical and design decisions
- Conducting performance tests and performance improvement
- Being a part of and supporting our user community
- Critical thinker and good problem-solver.
- Prior experience with building extensions/plugins for browsers, IDEs is a plus
- Prior experience with AWS, Docker, Kafka is a plus
Knowledge of Web Technologies such as Html 5,jQuery, Angular any version, Spring MVVC, Spring Boot and WebServices (REST).
Very strong Agile, CI/CD experience and ability to create process models/frameworks
Knowledge of technology areas of Messaging, Transaction Management, Spring, Hibernate/JPA, DAO, etc.
Strong command on Java/J2EE concepts and current industry trends.
Strong understanding of Object Oriented design methodologies and design patterns.
Timely creation of appropriate technical artifacts e.g. Application Architecture, Solution Design Documents, etc.
Interpersonal communication and organizational skills required to operate as a contributing member of virtual teams that deliver quality services.
Maintains awareness of new and emerging technologies and the potential application on service offerings and products provided by IT.
Familiar with supporting peer teams and responsibilities such as infrastructure, operations, enterprise architecture, info security.
Experience working with multi-vendor, multi-culture, distributed offshore and onshore development teams in dynamic and complex environments.
Must have excellent written and verbal communication skills.
Experience with Cloud Computing
If the above suits your requirement, please share your resume.
*>Well proven experience in JavaScript frameworks like NodeJS, JQuery, ReactJS
*>Knowledge on Node.js and frameworks such as Express JS , require JS etc.
*>Thorough understanding of React.js and its core principles
*>Familiar with newer specifications of EcmaScript and modern authentication mechanisms like JSON web tokens
*>Must have strong experience in Relational databases like MYSQL etc. and NoSQL databases like MongoDB, Cassandra etc.
*>Experience in cloud technologies like GCP, Azure is must
*>Should be able to work independently as well as lead the teams.
*>Knowledge on chatbot frameworks such as Microsoft Bot Framework
*>Experience in HTML5, CSS3, SASS, LESS is an added advantage









