
Frontend - Angular js, Javascript, JSP, added advantage for RIOTjs
Websocket technologies - Added advantage
Basic understanding of Apache Tomcat

About Ozonetel Systems
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At Oracle Health, we're transforming healthcare administration through Oracle Health Insurance (OHI), a cloud-native payer platform supporting enrollment, billing, benefits administration, provider payments, and claims adjudication.
As Oracle expands Oracle Health Insurance capabilities globally, including support for U.S. Medicare, Medicaid, commercial insurance programs, and AI-enabled claims processing, we're investing in engineers who are passionate about building the next generation of healthcare payer solutions.
As an IC3 Software Development Engineer, you will contribute to the design and development of scalable cloud services, healthcare business workflows, and AI-powered capabilities that improve operational efficiency for health plans and government programs.
Responsibilities
As a member of the software engineering division, you will assist in defining and developing software solutions associated with Oracle Health Insurance products. You will design, develop, test, and deploy software components while collaborating with cross-functional teams across product management, architecture, QA, and customer implementations.
Key Responsibilities
- Develop and enhance OHI modules supporting enrollment, benefits, claims, and payments.
- Build scalable microservices and APIs supporting payer workflows.
- Contribute to healthcare payer platform capabilities and country-specific configurations.
- Participate in AI and automation initiatives leveraging LLMs and agent-based solutions.
- Develop integrations using healthcare standards and EDI transactions.
- Troubleshoot production issues and support continuous improvement initiatives.
- Collaborate with distributed engineering teams to deliver high-quality software.
Mandatory Qualifications
- BS/MS in Computer Science or related field.
- 4-6 years of software engineering experience.
- Strong programming skills in Java and/or Python.
- Experience with REST APIs and distributed systems.
- Strong SQL and database fundamentals.
- Experience with cloud technologies (OCI, AWS, or Azure).
- Knowledge of software design patterns and object-oriented design.
- Experience working in Agile development environments.
- Familiarity with CI/CD pipelines and automated testing.
- Experience leveraging AI-assisted software development tools and modern developer productivity technologies.
Preferred Qualifications
- Healthcare payer domain knowledge.
- Exposure to claims processing, enrollment, benefits administration, or provider payments.
- Familiarity with Medicare, Medicaid, or commercial insurance workflows.
- Experience with GenAI, prompt engineering, or AI agents.
We are solving complex technical problems in the financial 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.
Job Description:
• Experience in Core Java, Spring Boot.
• Experience in microservices.
• Extensive experience in developing enterprise-scale systems for global organization. Should possess good architectural knowledge and be aware of enterprise application design patterns.
• Should be able to analyze, design, develop and test complex, low-latency client-facing applications.
• Good development experience with RDBMS in SQL Server, Postgres, Oracle or DB2
• Good knowledge of multi-threading
• Basic working knowledge of Unix/Linux
• Excellent problem solving and coding skills in Java
• Strong interpersonal, communication and analytical skills.
• Should be able 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 hassuccessfully 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.
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.
We’re doing things no one has ever done. From developing game-changing technology and solutions to
helping the world’s top brands connect like never before, every day brings new challenges and opportunities
to innovate. We offer the chance to make your mark on something awesome.
Skillset for : Java Developer
Experience : 4to 7 years
----------------------
Java basics, OOPs concepts, Thread concepts, Collections, Java 1.8 features
Database: SQL Joins
Experience in frameworks like SpringMVC, Springboot etc..
Experience in implementing Rest API
Some Java Design patterns
Good to have some experience on any Message broker, NoSQL db like Mongodb, ORM like Hibernate
Location: Bangalore
Education: Bachelor's degree in Computer Science or a related field or equivalent experience.
Job Description:
As a L3 analyst, you will play a key role within the Application Management team, leading services for its customer(s). This service has responsibility for the smooth daily operational running of the Client platform both in the cloud and on-premises. The Client application is business critical and centrally manages data for trading, settlement, risk, client and regulatory reporting systems. As a L3 analyst, you will be responsible for supporting complex infrastructure and application issues raised by L1/L2 support teams, and business analysts. You would also be working on client requests for enhancements, fixes, maintaining custom code, and following the best practices such as Agile, DevOps, etc.
The role is a technical role requiring a good technical knowledge of SQL/PLSQ, Core Java along with good debugging skill while supporting client implementations. You should have basic understanding on Unix system and commands. The ability to troubleshoot issues, assist users and help write specifications is essential. This position also works with product management to improve the software engineering processes and practices associated with continuously building, deploying, and updating software and environments.
- Accountability and primary responsibility/duties:
- A typical day would look like as follows: -
- 40% support issues.
- 40% configuration/development work.
- 20% continuous improvement, automation, CICD, so on.
- Activities would range across the lifecycle from discovery to post-implementation support.
- Understanding client’s requirement, replicate the problem and providing the solution
- Understanding and developing new requirements coming in from BAs (Business Analysts) and customers.
- Update the existing functionality based on client needs.
- Develop changes that cater to enhancing the product and/or fixing production issues
- Prepare product releases of software components. (Java/SQL-PLSQL)
- Contribute in all phases of the development cycle. (development/Deployment/Testing, peer review)
- Create technical document for all changes made.
Required Qualifications/Knowledge/Skills
- Bachelor’s degree in Computer Science or related field
- Strong basics and working experience in following technologies: -
- Core Java.
- SQL / PLSQL coding.
- Object Oriented Programming concepts and data structures.
- Working knowledge on Unix platform
- Working knowledge on XSLT and XML handling
- Basic understanding App & web server working knowledge (JBOSS, WebLogic and WebSphere) and debugging skills.
- Advantageous to have:
- Working understanding on CICD, Dev-ops technologies.
- Queuing technologies including Kafka, MQ, Solace.
- Scripting including Python, Unix, java.
- Hands on knowledge of Dev ops processes and tools Good interpersonal and communication skills.
Good to have:
API Integrations with UI Layer
Greetings from Sapper Software Pvt Ltd
Sapper.ai is a cloud native integration platform. Businesses use us to connect their applications, automate and optimize their processes and data connections. Sapper.ai is unique in our ability to connect and move data using any method (APIs, integrations, batch and streaming). We embed AI throughout the platform to proactively recommend integrations and process automations to business users freeing them up from mundane and time consuming tasks.
Website: https://www.sapper.ai/
Senior Java Developer : 3 to 7 years
Work Location: Work in the office at Baner, Pune
Job Requirements:
- Relevant experience in Java 1.7 or higher / J2EE Java development.
. Have experience of agile systems development methodologies such as SCRUM
- Experience in designing the solution and implementation.
- Is a communicative, positive, outgoing and driven team player.
- Solution-oriented, see opportunities and proactively proposing new solutions, speak and write fluently in English.
Skill Set Required:
- Experience in Java 8.
- Experience in Spring Boot and other spring framework like Spring data, AOP etc.
- Experience in MongoDB/ Kafka / RabbitMQ etc.
- Experience in REST API
- Have worked on microservices
- Should have worked on minimum 2- 3 projects
- Experience in writing effective Unit test case for better coverage.
- Experience in writing good quality code by following code quality tools likes SonarQube etc.
Roles and Responsibilities
- Relevant work experience in Java 1.7 or higher / J2EE Java development.
. Have experience of agile systems development methodologies such as SCRUM
- Experience in designing the solution and implementation.
- Is a communicative, positive, outgoing and driven team player.
- Solution-oriented, see opportunities and proactively propose new solutions, speak and write fluently in English.
Desired Candidate Profile
- Experience in Java 8.
- Experience in Spring Boot and other spring frameworks like Spring data, AOP, etc.
- Experience in MongoDB/ Kafka / RabbitMQ etc.
- Experience in REST API
- Have worked on microservices
- Should have worked on a minimum of 2- 3 projects
- Experience in writing effective Unit test cases for better coverage.
- Experience in writing good quality code by following code quality tools likes SonarQube etc.
Mandatory - Core Java / Java 8 & Spring Boot,
Good to have - MongoDB/Kafka / RabbitMQ / Micro Services
If you are interested and matching as per requirements, kindly share your updated CV and below details on hemant dot hingmire at sapper dot ai
Total Experience?
Relevant Experience?
Core Java?
Java 8?
MongoDB/Kafka / RabbitMQ?
Springboot?
Microservices?
Current Company?
Current CTC?
Expected CTC?
Notice Period (Max 30 days)?
Tentative Date to Join Us?
Reason for Change?
Offer in Hand (Yes/ No) Annual CTC?
Living in Pune Yes / No?
Responsibilities
- Lead the development of the backend systems for our first product
- Build reliable, secure and performant backend systems
- Drive test coverage and continuous delivery automation within the team
- Mentor and provide feedback to teammates
Requirements
- 5+ years of software development experience
- Strong computer science fundamentals
- Deep and wide knowledge of Java ecosystem
- Can write code that is readable, maintainable, secure and performant
- Know the importance of tests and how to approach writing different types of tests
- Good intuition for REST API design
- Deep understanding of relational databases, transactions, entity-relationship modeling
- Comfortable writing highly concurrent systems
- Experienced in using profilers, tuning garbage collection, optimizing SQL queries
Desired Skills and Experience
- Golang , Java , Python , Ruby

Proficient in Java, J2EE and related technologies.
• Experienced in using spring, Spring Boot, Hibernate, messaging systems.
• Good understanding of relational database performance concepts and usage of ORM frameworks such as Hibernate
• Expert understanding of the object-oriented design and programming concepts
• Strong working experience on Data Structures, Algorithms and Collections.
• Solid experience building applications on top of RESTful APIs.
• Knowledge/experience with Spring MVC
• Stroing knowledge in developing and executing automated unit, functional and integration tests
• Good communication and analytical skills.
• Strong trouble shooting skills
Key Responsibilities:
· You’ll be actively involved with development of server backend that support mobile apps.
· You’ll be architecting and implementing best-in-class complex ‘real time’ web software and/or messaging systems to power highly scalable apps for users.
· Translate high level business problems into scalable design and code. Create libraries & Utilities for larger consumption.
· Work closely with UI/UX designers to create exciting user experiences and ensure delivery of graphic assets as per modern web standards.
· You’ll be continuously keeping an eye on the latest cutting-edge technologies and leveraging these in one’s own and the team’s work as necessary.
· Care about the business results of what you build, not just the elegance of the technology you build.
· Work on the end to end stack (Platforms, UI, distributed systems, databases) rather than specialize in one area.
· And of course, get hands dirty by writing server-side code for mobile-based applications, create robust high-volume production applications, and develop prototypes quickly.
Eligibility
Desired Candidates Profile:
• 5+ years of experience on Node.js based web applications and systems development.
• Strong knowledge of MEAN, Linux/UNIX based development & client-side JavaScript/jQuery.
• Knowledgeable on ORMs, their utility and limitations.
• Knowledge of web services and serialization techniques like REST, SOAP, XML & JSON.
• Knowledgeable about caching mechanisms & tools like memcache, CDNs, nginx.
• Scripting experience in using Shell/Python for creating quick technology solutions to problems.
• Prior expertise of working with AWS Cloud, CDNs and other PAAS based services.
• A strong penchant for Object-Oriented Design.
• Experience of working with version control, bug tracking, continuous integration and other productivity enhancement software like SVN, Bugzilla, Jira etc.
• Prior experience in implementing Agile software methodologies.
• Passionate about software development & modern-day web technologies like:
• Server-Side JavaScript – Node.js, Backbone.js
• Web Sockets
• NoSQL based databases like MongoDB/Couchbase/Redis
• Big Data
• Taking responsibility and ownership in the team’s work.
Additional Requirements:
• B-Tech/BS/BE/BS/MS/M.Tech/MS in Electronics or Computer Science from a premier institute in India (IITs, BITS, NITs etc) or abroad.







