Java /Spark Developer

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

 strong experience in Java Spring Boot and Angular to lead a team of developers for a client project based out of Whitefield, Bangalore. The role requires hands-on development, design, architecture understanding, code review, and team coordination.

Key Responsibilities

• Lead a team of 9 developers and provide technical guidance.
• Perform hands-on development using Java, Spring Boot, Angular.
• Drive solution design, code quality, best practices, and performance optimization.
• Work closely with the client’s product owners and architects.
• Conduct code reviews, technical grooming, and sprint planning.
• Troubleshoot and resolve complex technical issues.
• Ensure timely delivery of modules with high quality.
• Mentor team members and support them in solving technical blockers.

Technical Skills Required

• Strong expertise in Java 8+, Spring Boot, REST APIs.
• Strong front-end experience with Angular 8+, TypeScript, HTML, CSS.
• Experience with SQL/NoSQL databases (MySQL, PostgreSQL, MongoDB, etc.).
• Hands-on with Git, Maven/Gradle, Jenkins, CI/CD.
• Knowledge of cloud platforms (AWS) is an added advantage.
• Experience with Agile/Scrum methodologies.

Soft Skills

• Excellent communication and client-facing skills.
• Ability to lead, mentor, and motivate the team.
• Strong problem-solving and analytical skills.

• Full Stack Developer with a strong technical foundation in Angular, Java,Spring MVC, JPA. Spring Boot, REST API, Database, and CI/CD pipelines, Playwright
• Design, develop, and maintain full-stack applications using Angular (front-end) and Java Spring Boot (back-end). * At least 3 years of Hand-on Java EE and Core Java experience with strong leadership qualities.
• Experience with Web Service development, REST and Services Oriented Architecture.
• Expertise in Object Oriented Design, Design patterns, Architecture and Application Integration.
• Working knowledge of Databases including Design, SQL proficiency.
• Strong experience with frameworks used for development and automated testing like SpringBoot, Junit, BDD etc.
• Experience with Unix/Linux Operating System and Basic Linux Commands.
• Strong development skills with ability to understand technical design and translate the same into workable solution.
• Basic knowledge of Python/Python scripting
• Build, deploy, and monitor applications using CI/CD pipelines.
• Experience with agile development methodology.
• Good to Have Elastic Index Database, MongoDB - No SQL Database Docker Deployments, Cloud Deployments 

Job Summary

We are seeking an experienced Java Full Stack Developer with 8+ years of hands-on experience in designing, developing, and maintaining scalable web applications. The ideal candidate should have strong expertise in Java (Spring Boot) on the backend and React.js on the frontend, along with experience in REST APIs, Microservices architecture, and cloud-based deployments.

Key Responsibilities

• Design, develop, and maintain scalable full-stack applications using Java, Spring Boot, and React.js
• Develop RESTful APIs and Microservices-based applications
• Collaborate with cross-functional teams including UI/UX, DevOps, QA, and Product teams
• Write clean, efficient, and reusable code following best practices
• Perform code reviews and mentor junior developers
• Optimize applications for performance and scalability
• Participate in architectural discussions and technical decision-making
• Ensure application security, data protection, and compliance standards
• Troubleshoot, debug, and upgrade existing systems

Required Skills:

• 7+ years of experience in Full Stack development
• Strong hands-on expertise in Java (8/11/17)
• Proficiency in Spring Boot, Spring MVC, Spring Security
• Experience in Microservices architecture and RESTful API development
• Strong knowledge of React.js, JavaScript (ES6+), HTML5, CSS3
• Experience with state management tools (Redux/Context API)
• Hands-on experience with Hibernate/JPA
• Good understanding of SQL databases (MySQL/PostgreSQL/Oracle)
• Experience with Git, Maven/Gradle, and CI/CD pipelines
• Working knowledge of Docker/Kubernetes
• Exposure to Cloud platforms (AWS/Azure/GCP) preferred
• Strong problem-solving and analytical skills

Job Description

As part of our role at a leading global insurance company, we are responsible for developing and managing an application to onboard and oversee the company's sales partners, including agents and brokers. This application provides users with a tailored, independent solution, including a required multi-dimensional validity date concept for administering all organizational and contractual sales force data to deliver structured information to many data consumers.

To reinforce our dynamic development team, we are seeking a skilled Full-stack Developer. In this role, you will collaborate with international cross-functional teams to design, develop, and deploy high-quality software solutions.

Responsibilities:

Design, develop, and maintain the application, ensuring high performance and responsiveness.

Write clean, efficient, and reusable code.

Implement new features and functionality based on business requirements.

Participate in system and application architecture discussions.

Create technical designs and specifications for new features or enhancements.

Write and execute unit tests to ensure code quality.

Debug and resolve technical issues and software defects.

Conduct code reviews to ensure adherence to best practices.

Identify and fix vulnerabilities to ensure application integrity.

Work with frontend developers to ensure seamless integration of user-facing elements.

Collaborate with DevOps teams for deployment and scaling.

Design and implement workflow automation using Camunda BPM, integrating it with backend services and ensuring efficient process execution.

Optimize and maintain business process models and workflow orchestration using Camunda.

Troubleshoot and enhance Camunda BPMN workflows, DMN decision tables, and process automation configurations.

Requirements:

Bachelor's degree in computer science, Information Technology, or a related field.

Proven experience as a skilled Full-stack Developer. Experience in the insurance domain is appreciated.

Strong experience with Spring Boot 3, Java 17 or newer, and Maven.

Experience with PostgreSQL, Jenkins, Sonar, Dynatrace, Kubernetes, Mockito, IntelliJ IDEA, and GitHub repository.

Hands-on experience with Camunda BPM (v7 or v8), including BPMN workflows, DMN decision tables, and REST API integration.

Experience with Angular TS and/or AWS, Kafka is a plus.

Excellent problem-solving and debugging skills.

Strong communication and collaboration abilities to work effectively in a team environment.

Skills & Requirements

Camunda, Spring Boot 3, Java 17 Or Newer, Maven, PostgreSQL, Jenkins, Sonar, Dynatrace, Kubernetes, Mockito, IntelliJ IDEA, GitHub Repository, Camunda BPM, BPMN Workflows, DMN Decision Tables, REST API Integration, Angular TS, AWS, Kafka, Problem-Solving, Debugging, Communication, Collaboration.

• Join the product research team to develop the leading Geodata and GeoAI platform in Hong Kong
• Be part of the product team to develop web front-end interface with a focus of data and AI application
• Develop automated software in Arical data and AI pipeline
• On job training for rapid product development cycle
• Will have to deliver reliable and maintainable code
• Use analytical skills effectively for hands on problem solving
• Translate UI/UX design wireframes to actual code
• Work with UI/UX designer

• Degree or above in Computer Science, Information Systems, or related fields
• Coursework in programming, data science, machine learning, AI and databases
• Strong organizational and project management skills
• Proficiency with client-side scripting and database technology

• Knowledge of one or more system programming languages (Python, C++, Java, etc)
• Knowledge of MongoDB and other NoSQL data stores such as Redis
• Proficiency with HTML, CSS, JavaScript, cross-browser optimization
• Proficiency with one or more front-end web development framework (Bootstrap, Angular, React)
• Knowledge of one or more web-scripting languages (PHP, Rudy, Node.js etc)
• Knowledge of web-scraping library (Beautiful Soup, web driver etc)
• Knowledge of API packaging and Docker deployment
• Knowledge of app development
• Knowledge of UI/UX design

• Work from home

You have experience in tackling organization wide challenges which are complex initiative that span multiple teams and products. Strong bias for operational and engineering excellence. critical that your voice is heard in product and business decisions. You like to find patterns that can reuse across multiple stacks, and willingness to help organisations adopt newer technologies. You are a great communicator and you take care setting high benchmarks in technical design choices. You spend a lot of time on research and love to discuss pros/cons of all choices and helping others towards making careful decisions.

Responsibilities:

• You will participate in all aspects of our development and provide expertise on architecture decisions we'll need to make to solve organisational problems.
• Driving technical roadmaps for the organisation.
• Set the north star for all key technical metrics to monitor and set high standards.
• Identify and articulate current state architecture and clarity on final state architecture and build organisation level influence to drive this to conclusion.
• Coaching / mentoring folks across the organisation on various technologies.
• Improve the recruiting and hiring process.
• Thinks about culture and how to impact it.
• Build, develop and scale our platform that powers real estate agents, buyers and sellers.
• Become a domain expert on real estate technology and products and an empathetic partner to our customers.
• Inspire, recruit and mentor your engineering colleagues.
• Operate in a scalable engineering culture that leverages modern principles of decoupled systems and automated CI/CD/testing/monitoring to drive. efficiencies.

Requirements:

• BS in CS or EE or equivalent.
• Proven track record working in top talent and high performance environments.
• Experience working on large scale systems in rapid growth environments.
• Experience with modern web frameworks (e. g. Go/React), distributed computing (e. g. Spark), public cloud platforms (e. g. AWS) and data pipelines
• Familiarity with containerisation, microservices architecture, continuous integration and delivery.
• Experience with multiple well-known products throughout their life cycles, from idea conception to product release and maintenance.
• 10+ years experience.

• Published Engineering blogs.
• Experience with multiple well-known products throughout their life cycles, from idea conception to product release and maintenance.
• External presentations in events.

Job Description

As a Solutions Architect you will be responsible for analyzing, designing and developing viable solutions as per the client needs. You will work with internal and client teams to translate customer needs and business requirements into detailed technical solutions, in both project and proposals scenarios. You will be working in a fast-paced environment solving unique and challenging software problems and developing innovative solutions.

Key Responsibilities

• Analyze customer technology, define business and technical requirements;
• Define & drive end-to-end technical solutions. Expected to be hands-on as and when required
• Evaluate potential solutions and systems architecture to ensure that they meet all requirements;
• Contribute to project plan and participate in all project phases (feasibility study, requirement definition, implementation and configuration, user acceptance tests);
• Hold and lead meetings with internal and customers teams to review requirements, address open issues/questions, close gaps;
• Develop technical presentations, proposals and perform customer presentations;
• Work with different teams on planning activities as well as delivery;
• Provide thought leadership to the team around new approaches and workflows and technologies
• Take complete bottom line responsibility of technical designs, code development, and test executions to demonstrate alignment to the functional specification.
• Collaborate with a project team comprised of talented employees with

diverse and complementary skills.

Professional Skill Requirements

• Overall 10 to 12 yrs of IT experience.
• A proven track record of successful project/product implementation with

minimal of 3 years of Continuous Integration, Continuous Delivery, Pair

programming and Test-Driven Development.

• Expert Knowledge of architecture/design frameworks and patterns
• Experience of delivering complex software products relaying on Front End technologies such as Angular JS, React or similar is beneficial
• Experienced on backend web technologies & frameworks as Spring, Spring Boot or equivalent . nodejs is beneficial
• Exposure to Microservices Architectures, Containers & Cloud is appreciated
• Experience with RESTFull design, API First approach and best practices in API definition
• Exposure on JavaScript 6, Typescript, Redux, Redux Middleware & Redux

Axios

• Clear concepts on HTML5, CSS3, JavaScript, jQuery
• Exposure on testing frameworks like Jasmine, Karma, Protractor
• Experience developing on both mobile and web platforms
• Exposure to Agile based execution processes
• Proven skills in improving quality and performance tuning