
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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Role: Backend Developer
Experience: 3-6 years
Duration: 1–3 months
Tech Stack: .NET Core, MongoDB
Domain: Clinical/Healthcare (Preferred)
Responsibilities
- Develop and maintain REST APIs using .NET Core
- Design scalable backend services and microservices
- Implement data storage and retrieval using MongoDB
- Optimize database queries and application performance
- Integrate with external systems (APIs, FHIR etc.)
- Ensure data security and compliance (GxP/FDA preferred)
- Support debugging and production issue resolution
Required Skills
- Strong experience in .NET Core/ASP.NET Core
- Hands-on experience with MongoDB or NoSQL databases
- Experience in REST API development
- Knowledge of microservices architecture
- Familiarity with Git and CI/CD pipelines
Preferred
- Healthcare/Clinical Trial domain exposure
- Experience with Azure cloud deployments
- Understanding of FHIR or Healthcare Data Standards
Experience: 5 TO 8
Location: MUMBAI
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 TO 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.
About Us:
At Wissen Technology, we deliver niche, custom-built products that solve complex business challenges across industries worldwide.
Founded in 2015, our core philosophy is built around a strong product engineering mindset—ensuring every solution is architected and delivered right the first time. Our commitment to excellence translates into delivering 2X impact compared to traditional service providers. How do we achieve this? Through a combination of deep domain knowledge, cutting-edge technology expertise, and a relentless focus on quality.
We don’t just meet expectations—we exceed them by ensuring faster time-to-market, reduced rework, and greater alignment with client objectives. We have a proven track record of building mission-critical systems across industries, including financial services, healthcare, retail, manufacturing, and more.
Wissen stands apart through its unique delivery models. Our outcome-based projects ensure predictable costs and timelines, while our agile pods provide clients the flexibility to adapt to their evolving business needs. Whether it’s AI/ML for unstructured data processing, cloud enablement, or data engineering, Wissen leverages its thought leadership and technology prowess to drive superior business outcomes. Our success is powered by top-tier talent. Our proprietary Interview Ninja platform ensures we hire the best, building high-performing teams that deliver unmatched results.
Today, Wissen Technology has a global footprint with 2200+ employees across offices in the US, UK, UAE, India, and Australia. Our mission is clear: to be the partner of choice for building world-class custom products that deliver exceptional impact—the first time, every time.
Job Description: Software Engineer - Backend ( 3-5 Years)
Location: Bangalore
WHO WE ARE:
TIFIN is a fintech platform backed by industry leaders including JP Morgan, Morningstar, Broadridge, Hamilton Lane, Franklin Templeton, Motive Partners and a who’s who of the financial service industry. We are creating engaging wealth experiences to better financial lives
through AI and investment intelligence powered personalization. We are working to change the world of wealth in ways that personalization has changed the world of movies, music and more but with the added responsibility of delivering better wealth outcomes.
We use design and behavioral thinking to enable engaging experiences through software and application programming interfaces (APIs). We use investment science and intelligence to build algorithmic engines inside the software and APIs to enable better investor outcomes.
In a world where every individual is unique, we match them to financial advice and investments with a recognition of their distinct needs and goals across our investment marketplace and our advice and planning divisions.
OUR VALUES: Go with your GUT
●Grow at the Edge: We embrace personal growth by stepping out of our comfort zones to
discover our genius zones, driven by self-awareness and integrity. No excuses.
●Understanding through Listening and Speaking the Truth: Transparency, radical candor,
and authenticity define our communication. We challenge ideas, but once decisions are
made, we commit fully.
●I Win for Teamwin: We operate within our genius zones, taking ownership of our work
and inspiring our team with energy and attitude to win together.
Responsibilities:
• Contribute to the entire implementation process including driving the definition of improvements based on business needs and architectural improvements.
• Review code for quality and implementation of best practices.
• Promote coding, testing, and deployment best practices through hands-on research and demonstration.
• Write testable code that enables extremely high levels of code coverage.
• Ability to review frameworks and design principles toward suitability in the project context.
• Candidates who will demonstrate an ability to identify an opportunity lay out a rational plan for pursuing that opportunity, and see it through to completion.
Requirements:
• Engineering graduate with 3+ years of experience in software product development.
• Proficient in Python, Django, Pandas, GitHub, and AWS.
• Good knowledge of PostgreSQL, and MongoDB.
• Strong Experience in designing REST APIs.
• Experience with working on scalable interactive web applications.
• A clear understanding of software design constructs and their implementation.
• Understanding of the threading limitations of Python and multi-process architecture.
• Familiarity with some ORM (Object Relational Mapper) libraries.
• Good understanding of Test Driven Development.
• Unit and Integration testing.
• Preferred exposure to Finance domain.
• Strong written and oral communication skills.
LogiNext is looking for a technically savvy and experienced senior developer to lead development efforts. You will help the team grow in size and skills, optimizing their code while working on your own. You will design, and develop the products that exceed client expectations in terms of value and benefit. You will collaborate on scalability issues involving access to massive amounts of data and information.
You have hands-on experience in building secure, high-performing and scalable systems in Java. Your design intuition inclines towards usability, elegance and simplicity. You are biased towards open-source tools and existing frameworks. You have successfully shipped applications with beautiful front-end and intelligent backend. You have demonstrated strong interpersonal and communication skills.
Responsibilities
Design and development efforts for high-volume, low-latency applications for real-time event based systems Deliver high-availability and high-performance platform using microservices architecture Identify bottlenecks and inefficiencies in code, and devise solutions to production and non-production issues Keep an eye out for open source projects and technology trends that can be introduced in the products Transform business functionalities and production specifications into technical requirements and low level design Be hands-on, adopt a practical approach to software and technology Work with product management and other teams to build highly scalable products
Requirements
Bachelor’s degree in Computer Science, Information Technology or a related field 2+ years of design and development experience in scalable and distributed enterprise applications using Java/J2EE, JPA, Spring framework and RESTful web services Excellent coding skills in Java Experience in managing, implementing and optimizing big data stores such as MySQL, MongoDB, Elasticsearch Experience in deploying applications and using various managed services provided by cloud platforms (AWS, Azure) Experience in front-end technologies HTML5, CSS3, jQuery, AngularJS and D3.js is preferred Strong foundation in computer science, with strong competencies in data structures, algorithms and software design Proven ability to drive large scale projects with deep understanding of Agile SDLC, high collaboration and leadership
We are seeking an experienced Java Developer to join our team. The successful candidate will be responsible for designing, developing, and maintaining Java-based applications. As a Java Developer, you will work closely with project managers, business analysts, and other members of the development team to create high-quality software that meets our clients' needs.
Responsibilities:
- Design, develop and maintain Java-based applications
- Collaborate with cross-functional teams to identify, prioritize and execute tasks
- Participate in code and design reviews to maintain code quality and ensure that the software is consistent with established standards
- Ensure timely delivery of high-quality software by following agile development methodologies
- Provide technical guidance and mentorship to junior developers
Requirements:
- Strong knowledge of Java and object-oriented programming principles
- Experience with Java frameworks such as Spring, Hibernate, Struts
- Experience with web development technologies such as HTML, CSS, JavaScript, and AJAX
- Familiarity with relational databases such as MySQL, Oracle, or PostgreSQL
- Understanding of software development methodologies, such as Agile, Scrum, and Waterfall
- Excellent problem-solving and analytical skills
- Strong written and verbal communication skills
- Bachelor's or Master's degree in Computer Science or a related field
If you are passionate about Java development and are looking for a challenging and rewarding opportunity to grow your skills and career, we encourage you to apply for this position.
Our young and rapidly growing team at Zycus is looking to fill out vacant positions for Java Developers. We are a well established SAAS based company, with 20+ years of AI legacy and experience in the industry. Once you join us, you will get to innovate and experience the latest technologies including Artificial Intelligence, Machine Learning and AWS Cloud. We are looking for candidates well versed with Java/J2EE, Spring boot, Microservices, Hibernate, JMS/ Kafka/ Rabbit and most importantly an expert in design patterns. Exposure to Cloud platform, Full stack environment and Agile methodology, would be a plus.
We are looking for curious, collaborative candidates who are willing to learn and ready to take up new exciting endeavors. You are going to work together with the team on complex innovative projects in the industry. We are basically looking for an enthusiastic candidate with a coding experience of about 5-10 years, with a hands-on experience in Software Product Development and ownership.
You could be a perfect fit if you,
- understand use cases and product requirements, can design, develop, review (code/design), unit test, module test, integration test, documentation for PDLC.
- are an expert in maintaining, enhancing, bug fixing and following standard documentation process laid down for the project.
- follow the defined PDLC process and participate in improving the process, work with cross functional team to achieve project delivery goal.
- ensure all the work meets or exceeds predefined quality standards through exhaustive testing, peer reviews SQA process standards.
- are able to build solution which is easily scalable, high speed/ real-time performance, configurable, deploy-able and secure in SaaS environment using any open source tech stack.
- are able to identify, track and mitigate risks to the product
- are responsible for planning product iterations and releasing iterations on schedule.
Requirements
- 5-10 years’ experience in Java, J2EE and associated technologies (Spring, Hibernate, Web Services, Micro Services, Spring boot)
- Technical Skills: Core Java, Advanced Java, J2EE, Exception handling, Collections, Oops, UML, Oracle, Jenkins, Maven & Linux
- Should be able to build solutions which is easily configurable, deploy able and secure in SaaS environment.
- Must have worked spring boot Extensively.
- Strong hands on development experience in Java, J2EE.
- Product development experience in agile environment will be a big plus though not mandatory.
- Highly Tech Savvy and hands-on.
- Strong evidence of a solution/product created ground up.
Product Development:
- Has in-depth knowledge on technology and end to end development processes.
- Has the ability to recommend new processes/alternatives to meet Product development requirements and rolling them out the team.
Benefits
Five Reasons Why You Should Join Zycus
- Cloud Product Company: We are a Cloud SaaS Company and our products are created by using the latest technologies like ML and AI. Our UI is in Angular JS and we are developing our mobile apps using React.
- A Market Leader: Zycus is recognized by Gartner (world’s leading market research analyst) as a Leader in Procurement Software Suites.
- Move between Roles: We believe that change leads to growth and therefore we allow our employees to shift careers and move to different roles and functions within the organization
- Get a Global Exposure: You get to work and deal with our global customers.
- Create an Impact: Zycus gives you the environment to create an impact on the product and transform your ideas into reality. Even our junior engineers get the opportunity to work on different product features.
About Us
Zycus is a pioneer in Cognitive Procurement software and has been a trusted partner of choice for large global enterprises for two decades. Zycus has been consistently recognized by Gartner, Forrester, and other analysts for its Source to Pay integrated suite. Zycus powers its S2P software with the revolutionary Merlin AI Suite. Merlin AI takes over the tactical tasks and empowers procurement and AP officers to focus on strategic projects; offers data-driven actionable insights for quicker and smarter decisions, and its conversational AI offers a B2C type user-experience to the end-users.
Zycus helps enterprises drive real savings, reduce risks, and boost compliance, and its seamless, intuitive, and easy-to-use user interface ensures high adoption and value across the organization.
Start your #CognitiveProcurement journey with us, as you are #MeantforMore
Click here to Apply : https://apply.workable.com/zycus-1/j/E3B421108A/">Java Developer - Zycus (workable.com)
- Web development using PHP & experience in coding on MVC architecture of Laravel
- REST API knowledge is a must with oAuth security
- Understanding of mobile apps with REST API integration, firebase & google analytics is important
- Need to have knowledge of querying MySQL & NoSQL databases like MongoDB
- Experience with Node Js for our notification system
- Understanding of cloud services like Google cloud & AWS ec2 instance is a bonus for the profile











