
Java Developer – Backend (Spring Boot + WebFlux)
Company Overview
Dive into the galaxy of innovative possibilities and unfold the future with Pattem Digital. We are a leading software product development company specializing in delivering 100+ services across frontend, backend, CMS, and cutting-edge technologies. With a global presence and proven track record, we help businesses scale through agile and efficient software solutions.
Position Overview
We are looking for a skilled Java Backend Developer with strong expertise in Core Java, Spring Boot, and Spring WebFlux. The ideal candidate will be responsible for building scalable backend systems, developing reactive and RESTful APIs, and contributing to high-performance applications.
📍 Location: Whitefield, Bangalore (Onsite – 5 Days/Week)
📅 Experience: 5–6 Years
Key Responsibilities
● Develop and maintain backend services using Java, Spring Boot, and Spring WebFlux
● Design and implement RESTful and reactive APIs for scalable applications
● Work with databases (SQL/NoSQL – MongoDB preferred)
● Implement multithreading, concurrency, and reactive programming for performance optimization
● Collaborate with frontend teams, QA, and product managers
● Debug, troubleshoot, and resolve production issues
● Write clean, maintainable, and efficient code
● Participate in code reviews and maintain coding standards
● Ensure application performance, scalability, and security
Required Qualifications
Technical Skills
● Strong hands-on experience in Core Java (OOPs, Collections, Multithreading)
● Experience with Spring Boot, Spring MVC, and Spring WebFlux
● Good understanding of Microservices architecture
● Experience with MongoDB / SQL databases
● Knowledge of Java Streams, Exception Handling, Concurrency, and Reactive Programming
● Familiarity with Linux environment
● Experience with Git, Maven, CI/CD pipelines
● Understanding of API design, reactive systems, and system architecture
Experience & Education
● 5–6 years of experience in backend development
● Bachelor’s degree in Computer Science or related field
Soft Skills
● Strong problem-solving and analytical skills
● Good communication and teamwork abilities
● Ability to work in a fast-paced environment
● Ownership mindset and attention to detail
Preferred Qualifications
● Experience with Kafka or event-driven architecture
● Exposure to AWS or cloud platforms
● Experience working in Reactive systems / high-throughput applications
● Experience working in Agile environments

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JOB DESCRIPTION
Experience: 3-8 years
Wissen Technology is now hiring for a Java Developer - Bangalore with hands-on experience in Core Java, algorithms, data structures, multithreading and SQL. We are solving complex technical problems in the industry and need talented software engineers to join our mission and be a part of a global software development team. A brilliant opportunity to become a part of a highly motivated and expert team which has made a mark as a high-end technical consulting.
Required Skills:
- Exp. - 3-8 years
- Experience in Core Java and Spring Boot.
- Extensive experience in developing enterprise-scale applications and systems. Should possess good architectural knowledge and be aware of enterprise application design patterns.
- Should have the ability to analyze, design, develop and test complex, low-latency client- facing applications.
- Good development experience with RDBMS.
- Good knowledge of multi-threading and high-performance server-side development.
- Basic working knowledge of Unix/Linux.
- Excellent problem solving and coding skills.
- Strong interpersonal, communication and analytical skills.
- Should have the ability to express their design ideas and thoughts.
Position Overview:
We are seeking a Node.js Developer with 1-2 years of experience to join our team. The ideal candidate should have hands-on experience in backend development, a solid understanding of JavaScript, Express.js, and familiarity with databases. You will be responsible for developing and maintaining server-side applications, collaborating with front-end teams, and ensuring optimal performance.
Key Responsibilities:
- Backend Development: Build and maintain server-side applications using Node.js and Express.js.
- API Development: Design and implement RESTful APIs to support various functionalities.
- Database Management: Work with both SQL (MySQL, PostgreSQL) and NoSQL (MongoDB) databases.
- Code Quality & Testing: Write clean, reusable, and testable code while following best practices.
- Performance Optimization: Optimize applications for speed and scalability.
- Troubleshooting & Debugging: Identify and resolve application issues to ensure smooth operations.
- Security Implementation: Apply basic security measures to protect applications and data.
- Collaboration: Work closely with front-end developers to integrate UI components with backend logic.
Required Qualifications:
- 1-2 years of experience in Node.js backend development.
- Strong proficiency in JavaScript and ES6+ concepts.
- Hands-on experience with Express.js or similar frameworks.
- Familiarity with front-end technologies (HTML, CSS, React/Angular is a plus).
- Experience working with databases (MySQL, PostgreSQL, MongoDB).
- Basic understanding of asynchronous programming and event-driven architecture.
- Experience with Git for version control.
- Knowledge of basic cloud services (AWS, Azure, or GCP is a plus).
- Understanding of Docker and containerization is an advantage.
- Good problem-solving skills and willingness to learn.
Company Name – Wissen Technology
Group of companies in India – Wissen Technology & Wissen Infotech
Work Location - Bangalore/Mumbai
Java Developer – Job Description
Wissen Technology is now hiring for a Java Developer - Mumbai with hands-on experience in Core Java, algorithms, data structures, multithreading and SQL.
We are solving complex technical problems in the industry and need talented software engineers to join our mission and be a part of a global software development team.
A brilliant opportunity to become a part of a highly motivated and expert team which has made a mark as a high-end technical consulting.
Required Skills:
- Exp. - 5+ years.
- Experience in Core Java and Spring Boot.
- Extensive experience in developing enterprise-scale applications and systems. Should possess good architectural knowledge and be aware of enterprise application design patterns.
- Should have the ability to analyze, design, develop and test complex, low-latency client- facing applications.
- Good development experience with RDBMS.
- Good knowledge of multi-threading and high-performance server-side development.
- Basic working knowledge of Unix/Linux.
- Excellent problem solving and coding skills.
- Strong interpersonal, communication and analytical skills.
- Should have the ability to express their design ideas and thoughts.
About Wissen Technology:
Wissen Technology is a niche global consulting and solutions company that brings unparalleled domain expertise in Banking and Finance, Telecom and Startups. Wissen Technology is a part of Wissen Group and was established in the year 2015. Wissen has offices in the US, India, UK, Australia, Mexico, and Canada, with best-in-class infrastructure and development facilities. Wissen has successfully delivered projects worth $1 Billion for more than 25 of the Fortune 500 companies. The Wissen Group overall includes more than 4000 highly skilled professionals.
Wissen Technology provides exceptional value in mission critical projects for its clients, through thought leadership, ownership, and assured on-time deliveries that are always ‘first time right’.
Our team consists of 1200+ highly skilled professionals, with leadership and senior management executives who have graduated from Ivy League Universities like Wharton, MIT, IITs, IIMs, and NITs and with rich work experience in some of the biggest companies in the world.
Wissen Technology offers 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.
We have been certified as a Great Place to Work® for two consecutive years (2020-2022) and voted as the Top 20 AI/ML vendor by CIO Insider.
• Design, develop, test and maintain backend services and APIs using Java and Spring Boot.
• Architect and implement microservices to ensure scalability and robustness of
applications.
• Create and maintain data pipelines to handle large volumes of data efficiently.
• Collaborate with cross-functional teams to gather requirements and deliver high-quality software solutions.
• Participate in code and design reviews to minimize rework and catch issues early in the process.
• Optimize and improve the performance, scalability, and reliability of our systems.
• Conduct code reviews and contribute to best practices in software development.
• Stay updated with the latest industry trends and advancements in Java and backend development technologies
- Contribute to all stages of software development lifecycle
- Design, implement and maintain Java-based applications that can be high-volume and low-latency
- Analyze user requirements to define business objectives
- Envisioning system features and functionality
- Define application objectives and functionality
- Ensure application designs conform with business goals
- Develop and test software
- Identify and resolve any technical issues arising
- Create detailed design documentation
- Propose changes to current Java infrastructure
- Develop technical designs for application development
- Develop multimedia applications
- Write well designed, testable code
- Conducting software analysis, programming, testing, and debugging
- Manage Java and Java EE application development
- Develop documentation to help users
- Transforming requirements into stipulations
- Prepare and produce releases of software components
- Support continuous improvement, investigating alternatives and technologies, and presenting for architectural review
The product business has witnessed tremendous growth in last few years with a client base in almost all industries and a footprint across continents. A large credit for the same goes to our young, agile and highly talented engineering team which is continuously adding new features and driving innovations in terms of adopting latest technology best practices and making the product more scalable and stable.
In order to meet the expectations of our rapidly growing client base, we are looking for experienced geeks who will be part of the current product engineering team and help in making the products more scalable by implementing most advanced technologies. We are looking for people with keen interest and demonstrated expertise in Java development, clear focus on working in a product setup, and willingness to work in a start-up environment. With strong entrepreneurial culture at Channelplay and focus on performance-based growth, in terms of financials and career, it's a great opportunity for high performers.
For more details, you can also visit our website on: http://www.channelplay.in/
What's there for you :
- Competitive remuneration
- Quarterly incentive
- Great culture with friendly work environment
- Opportunity to work in AWS Technologies
- Opportunity to get AWS Certified.
Required Skills :
- Core Java (Mandatory)
- Spring boot (Mandatory)
- My SQL (Mandatory)
- Angular (Preferred)
- AWS Technology (Preferred)
- NoSQL - MongoDB (Preferred)
- Open sources - Redis/ Memcached/ RabbitMQ/ Kafka/ ELK (Preferred)
- Git (Preferred).
Roles & Responsibilities :
- Developing software solutions by studying information needs; conferring with users; studying systems flow, data usage, and work processes; investigating problem areas; following the software development lifecycle.
- Determining operational feasibility by evaluating analysis, problem definition, requirements, solution development, and proposed solutions.
- Improving effectiveness and efficiency of the existing solutions by conducting systems analysis and recommending changes.
- Learning new and advanced technologies proactively and leading initiatives to implement those technologies in a collaborative manner.
- Acquiring new skills by studying state-of-the-art development tools and programming techniques, and sharing the knowledge with the team.
Job ID: RP1001
Required Experience- 4+ years
Expected joining within two weeks
Preferred Skills:
- Good communication skills in English (Written and Oral)
- Strong knowledge of RDBMS concepts
- Strong analytical and problem-solving skills
- Experience in performance tuning
- Experience in interaction with the customer
- Technical skills Java, HTML, CSS, TypeScript, SpringBoot, Hibernate, Microservices
- Preferred Tools (SVN, GIT, Maven, Jenkins Jira Confluence)
- Ability to explore the application by himself/herself from the training provided
Responsibilities:
- New feature development or enhancement or change request activities (Requirement analysis, Requirement documentation, Design, Coding, Review, Testing and Release process)
- Defect Fixing (Defect analysis, route cause identification, Code change, testing, obtaining user confirmation and release process)
- Support tasks (Ticket analysis, data uploading, performance tuning, job monitoring, any analysis task, ReportGeneration and etc.,)
- Level 2 and Level 3 support (Support process adherence)
- Functional and technical or solution documentation preparation
- Execution will either be Waterfall or Agile
- The process needs to be followed as defined by RBEI or RBEI’s Customer
- Preparation & participation in the project status and review meeting
Job Locations: Bangalore, Pune, Chennai, Dehradun, Mohali, Panchkula, or Gurugram (Currently Remote)
- Compile and analyze data, processes, and codes to troubleshoot problems and identify areas for improvement.
- Collaborating with the front-end developers and other team members to establish objectives and design more functional, cohesive codes to enhance the user experience.
- Developing ideas for new programs, products, or features by monitoring industry developments and trends.
- Recording data and reporting it to proper parties, such as clients or leadership.
- Participating in continuing education and training to remain current on best practices, learn new programming languages, and better assist other team members.
- Taking lead on projects, as needed.
Skills Needed: Java,Spring,Springboot,Microservices
Should have hands-on experience with Java
Should have hands-on experience with technologies like spring & springboot
Should have hands-on experience with Microservices Architecture
Experience:2 Yrs to 5 Yrs
Notice Period: Immediate to 10 Days(Max)
Location: Bangalore
Work from Home till Pandemic End









