
We are looking for an experienced Java Developer with strong proficiency in Kafka and MongoDB to join our dynamic team. The ideal candidate will have a solid background in designing and developing high-performance, scalable, and reliable applications in a microservices architecture. You will be responsible for building real-time data processing systems, integrating various services, and ensuring smooth data flow across systems.
Key Responsibilities:
- Design, develop, and maintain scalable Java applications with a focus on performance and reliability.
- Build and maintain Kafka-based real-time data pipelines for handling high-volume, low-latency data.
- Work with MongoDB to design and optimize database schemas and queries for high throughput and availability.
- Collaborate with cross-functional teams to define, design, and implement new features and improvements.
- Troubleshoot and resolve issues related to system performance, scalability, and reliability.
- Ensure software quality through best practices, including testing, code reviews, and continuous integration.
- Implement and maintain security best practices in both code and data handling.
- Participate in agile development cycles, including sprint planning, daily standups, and retrospectives.
Required Skills & Qualifications:
- 7+ years of experience in Java development, with a strong understanding of core Java concepts (J2EE, multithreading, etc.).
- Hands-on experience with Apache Kafka, including setting up brokers, producers, consumers, and understanding Kafka Streams.
- Proficient in working with MongoDB for designing efficient data models, indexing, and optimizing queries.
- Experience with microservices architecture and RESTful APIs.
- Familiarity with containerization technologies like Docker and orchestration tools like Kubernetes is a plus.
- Strong understanding of distributed systems, message-driven architectures, and event streaming.
- Familiarity with version control systems like Git.
- Excellent problem-solving skills, with the ability to debug and optimize code for high-performance systems.
- Experience with CI/CD pipelines and automated testing.

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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Experience - 4+ yrs
About Wekan Enterprise Solutions
Wekan Enterprise Solutions is a leading Technology Consulting company and a strategic investment partner of MongoDB. We help companies drive innovation in the cloud by adopting modern technology solutions that help them achieve their performance and availability requirements. With strong capabilities around Mobile, IOT and Cloud environments, we have an extensive track record helping Fortune 500 companies modernize their most critical legacy and on-premise applications, migrating them to the cloud and leveraging the most cutting-edge technologies.
Job Description
We are looking for passionate software engineers eager to be a part of our growth journey. The right candidate needs to be interested in working in high-paced and challenging environments. Interested in constantly upskilling, learning new technologies and expanding their domain knowledge to new industries. This candidate needs to be a team player and should be looking to help build a culture of excellence. Do you have what it takes?
You will be working on complex data migrations, modernizing legacy applications and building new applications on the cloud for large enterprise and/or growth stage startups. You will have the opportunity to contribute directly into mission critical projects directly interacting with business stakeholders, customer’s technical teams and MongoDB solutions Architects.
Location-Chennai/Bangalore
Basic qualifications:
- Good problem solving skills
- Deep understanding of software development life cycle
- Excellent verbal and written communication skills
- Strong focus on quality of work delivered
- Relevant experience of 4+ years building high-performance backend applications with, at least 2 or more projects implemented using the required technologies
Required Technical Skills:
- Extensive hands-on experience building high-performance web back-ends using Node.Js and Javascript/Typescript
- Min two years of hands-on experience in NestJs
- Strong experience with Express.Js framework
- Hands-on experience in data modeling and schema design in MongoDB
- Experience integrating with any 3rd party services such as cloud SDKs, payments, push notifications, authentication etc…
- Exposure into unit testing with frameworks such as Mocha, Chai, Jest or others
- Strong experience writing and maintaining clear documentation
Good to have skills:
- Experience working with common services in any of the major cloud providers - AWS or GCP or Azure
- Experience with microservice architecture
- Experience working with other Relational and NoSQL Databases
- Experience with technologies such as Kafka and Redis
- Technical certifications in AWS / Azure / GCP / MongoDB or other relevant technologies
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Requirements: Job Description |
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Hiring: Java Developer (Spring Boot, AWS, Microservices) 🚀
📍 Location: [Specify Location] | 💼 Experience: [4+] Years | 🏢 Full-time
We’re looking for a Java Developer to build scalable, cloud-based applications using Spring Boot, Microservices, and AWS. If you love coding, designing robust APIs, and working with cutting-edge tech, join us!
🔹 Must-Have: Java, Spring Boot, Microservices, AWS
🔹 Good-to-Have: Docker, Kubernetes, CI/CD
Role & responsibilities
- Senior Java developer with 6 to 10 years of experience having worked on Java, SpringBoot, Hibernate, Microservices, Redis, AWS S3
- Contribute to all stages of the 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 to business goals
- Develop and test software
- Should have good experience in Code Review
- Expecting to be 100% hands-on while working with the clients directly
- Performing requirement analysis
- Developing high-quality and detailed designs
- Conducting unit testing using automated unit test frameworks
- Identifying risk and conducting mitigation action planning
- Reviewing the work of other developers and providing feedback
- Using coding standards and best practices to ensure quality
- Communicating with customers to resolve issues
- Good Communication Skills
Hi,
Greetings from Kairos Technologies (http://www.kairostech.com">www.kairostech.com)
About Kairos:
Kairos Technologies is a customer-first technology services company focused on Digital Transformation and Testing/QA. We are founded to help you build world-class solutions and digital ecosystems. From our inception in 2003, we have provided managed services in embracing the digital transformation for various companies operating in different verticals. We strive to provide the technology services that make your business goals an economic reality.
As discussed please find the below Job description
We are looking for highly skilled programmers with experience building web applications in Java. Java Developers are responsible for analyzing user requirements and business objectives, determining application features and functionality, and recommending changes to existing Java-based applications, among other duties.
Java Developers need to compile detailed technical documentation and user assistance material, requiring excellent written communication.
Java Developer Responsibilities:
- Designing and implementing Java-based applications.
- Analyzing user requirements to inform application design.
- Defining application objectives and functionality.
- Aligning application design with business goals.
- Developing and testing software.
- Debugging and resolving technical problems that arise.
- Producing detailed design documentation.
- Recommending changes to existing Java infrastructure.
- Developing multimedia applications.
- Developing documentation to assist users.
- Ensuring continuous professional self-development.
- Skills Required: JAVA/J2EE technologies like Struts, Spring Boot, HTMLCSS, JSP, JDBC, Servlets, JSON, Eclipse, Apache Tomcat, Subversion, Springboot framework to build RESTful Web Services and Micro Services based Spring Cloud.
- Exp – 5+ years
- Location- Pan India
industry experts and experienced professionals. We aim to build an international platform
connecting the complete individual lifecycle from discovery, consulting to lifetime
engagement.
Position : Node JS Developer
Location : Work From Home
Experience : 2 to 6 years
Job Description
We are looking for a Rockstar NODEJS Developer who is proficient in JS, ES6,
Node.js, Express.js, MongoDB, and Building REST APIs.
● Proven work experience as a Back-end developer of minimum 3+ years
● In-depth understanding of the entire web development process (Design,
Development and Deployment)
● Hands-on experience with JS, ES6, Node.js, Express.js, MongoDB, Building REST
APIs and Graphql, Restify
● Understanding of AWS Services - EC2, S3, Cloudfront, SES, Code deployment
● Practical knowledge of Git/Bootstrap/Grunt/Babel/Webpack
● Excellent analytical and time management skills
● Teamwork skills with a problem-solving attitude
Participate in the entire application life cycle, focusing on coding and debugging,
troubleshoot and debug applications
Experiance: 3+ Yrs
Skills: Node JS, Mongo DB, Aws
Database: Mongo DB.
Location: Hyderabad..
You will be responsible for designing, developing, testing, and debugging responsive mobile and web applications.
Qualifications Required -
· Bachelor's degree or equivalent in Computers
· Experience - 3-4 Years
· Some experience with Mobile App development will be plus
Skillsets:
- Experience in with Node.js, Express.js, REST API
- Experience with NoSQL database - MongoDB
- Experience with AWS services
About Recko:
Recko was founded in 2017 to organise the world’s transactional information and provide intelligent applications to finance and product teams to make sense of the vast amount of data available. With the proliferation of digital transactions over the past two decades, Enterprises, Banks and Financial institutions are finding it difficult to keep a track on the money flowing across their systems. We are building products which enable them to handle and monitor massive volumes of transactional data without writing a single line of code and ensure the right amounts are flowing between the right beneficiaries, with the right deductions at the right time. Over the last few months, we have grown to a point where we are processing more than 25 million transactions monthly for our customers.
Recko is a Series A funded startup, backed by marquee investors like Vertex Ventures, Prime Venture Partners and Locus Ventures. Traditionally enterprise software is always built around functionality. We are reimagining enterprise software to be built around the user. We believe software is an extension of one’s capability, and it should be delightful and fun to use.
Working at Recko:
We believe that great companies are built by amazing people. At Recko, We are a group of young Engineers, Product Managers, Analysts and Business folks who are on a mission to bring consumer tech DNA to enterprise fintech applications. The current team at Recko is 50 members strong with stellar experience across fintech, e-commerce, digital domains at companies like Flipkart, PhonePe, Ola Money, Belong, Razorpay, Grofers, Jio, Oracle etc. We are growing aggressively across verticals.
About the Role:
What are we looking for:
1. 2+ years of experience with Java MVC frameworks like Spring / Dropwizard / Play and with
MySQL / Oracle / PostgreSQL.
2. Experience building at least one application from scratch.
3. Understanding of at least one test frameworks and basic system administration.
4. Experience with cache store / message broker like Redis / RabbitMQ / Kafka.
5. Good to have: Experience with NoSQL databases like Cassandra, MongoDb, Neo4j, ElasticSearch. etc and Understanding of different concurrency models used in Akka, node.js, Go, RxJava etc
6. Interest in learning new languages / framework as needed.
7. A growth mindset and passionate about building things from the ground up and most
importantly, you should be fun to work with.
As a backend developer at Recko, you will:
1. Design and implement microservices with high reliability and scalability.
2. Be involved and participate in the overall application lifecycle.
3. Define and communicate technical and design requirements.
4. Learn about new technologies and incorporate them.
5. Improve engineering standards, tooling, and processes.
6. Collaborate with multi-disciplinary team of designers, developers and system administrators.








