Kaunain Ahmad

Senior Java Backend Engineer / Technical Lead

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About Me

Senior backend engineer with 15 years of experience delivering enterprise software solutions for healthcare insurance, publishing, and digital operations. Proven expertise in Java, Spring Boot, microservices architecture, REST API design, AI-assisted development, claims processing workflows, batch automation, and production support for mission-critical systems.

Skills & Expertise

Core Expertise

Java, Spring Boot, REST API Design, Microservices, PostgreSQL, Healthcare Insurance, Claims Processing, Production Support, Performance Optimization

Tools & Platforms

Kafka, Redis, Docker, AWS, GCP, GitHub Copilot, ChatGPT, Gemini, VS Code, AI-assisted Development

Additional Strengths

Nginx, Test Automation, Enterprise Integration Patterns, System Design

Professional Experience

Infosys

  • Senior Consultant
    Sep 2022Current

    Leading backend development for healthcare insurance clients on the Vitech Velocity platform, implementing claims processing workflows, REST APIs, batch automation, business rules, and production incident resolution.

Serving as a Senior Consultant at Infosys, driving enterprise healthcare insurance software delivery with a focus on scalable APIs, claims adjudication, enrollment workflows, and high-availability production support.


MMI Online Pvt Ltd

  • Senior Software Developer
    Nov 2012Sep 2022

    Led backend development for high-traffic publishing and content platforms, driving cloud migration, performance optimization, and enterprise integrations with payment, storage, and analytics services.

Delivered scalable backend systems and cloud migration capabilities for MMI Online Pvt Ltd, enabling reliable digital publishing operations and platform modernization.


DeCore Science and Technology Ltd

  • Java Developer
    Feb 2012Oct 2012

    Built business logic and database-backed application features, handled deployment and monitoring, and contributed to testing and debugging.

Worked as a Java Developer in DeCore Science and Technology Ltd, NSEZ Noida Phase-II, implementing application logic and supporting deployments.


CnT Technologies

  • Software Engineer
    Mar 2011Feb 2012

    Worked on telecom and enterprise integrations including eTopup, billing interfaces, and SMS gateway connectivity while supporting production applications.

Worked as a Software Engineer in Aircel Corporate Office, Gurgaon on behalf of CnT Technologies, supporting telecom integrations and application monitoring.


Projects

Velocity Platform at Vitech/Majesco

Technologies implemented: Java, Spring, Spring Boot, PostgreSQL, REST APIs, SQL, Batch Processing, Microservices, Business Rules Engine

Project description: Senior Consultant responsible for backend development on the Majesco/Vitech insurance platform. Led design and implementation of claims processing workflows including Dental, Health, and HCSA claims with auto-adjudication rules.

Developed and maintained REST APIs for Member Balance, Claim Creation, Member, Group, and Plan services. Implemented complex business rules, PBO configuration, and generated payment/transaction JSONs.

Developed batch processes for disbursement, document generation (EOB), and scheduled jobs. Provided production support resolving critical issues including OutOfMemoryError errors and SQL query optimization.

Supported member enrollment workflow and system integration across multiple client implementations.


JagranJosh.com at MMI Online Ltd

Technologies implemented: Java, Springboot, Microservices, Nextjs, JavaScript and PostgreSQL

Project description: Jagran Josh is One Stop Destination for School & College going Students as well as Job finders. Apply to colleges, Search Jobs and find free tips for board and other competitive exams. For more detail Visit


colleges.jagranjosh.com at MMI Online Ltd

Technologies implemented:

Java, Springboot, Microservices, Nextjs, Javascript and Mysql

Project description: Find List of Top Colleges in India by Course, City, State, Ranking and Placement and Apply Directly to Colleges, Universities and Institutes. Check College Courses, Ranking, Fees, Placement Details and more @ Jagran Josh Colleges. For more detail logon


liveresults.jagranjosh.com at MMI Online Ltd

Technologies implemented:

Java, Springboot, javascript, Mysql and HAProxy

Project description: All India Exam Results 2022: Find Results of Board Exams, Sarkari Job Exams, Board Exams, Management Entrance Exams, Engineering Entrance Exams, Universities Exams, MBA and all other Competitive Exams. For more detail Visit


DEMS at DeCore Science and Technology Ltd

Technologies implemented : Java,Struts2, Hibernate, Spring, log4j, Jquery, Mysql, eclipse

Project description:

DEMS (De Core Enterprise Management System) is the web-based Enterprise resource planning (ERP) systems. DEMS systems integrate internal and external management information across an entire organization, embracing finance/accounting, manufacturing, sales and service, customer relationship management, etc. DEMS systems automate this activity with an integrated software application. DEMS systems can run on a variety of computer hardware and network configurations, typically employing a database as a repository for information.


Blyk (VAS) at CnT Technologies

Technologies implemented: Java, Servlet, log4j, dbcp, Spring, caster, mysql, eclipse

Project description: A new mobile (VAS) service on Aircel network for young People . India’s first Interactive, Youth focused Mobile Service Anytime Anywhere. Blyk is a mobile messaging media that works with operators to link young people with brands and other stuff they like. For more detail logon


Project Register at Aircel

Technologies implemented: Java, Struts2, hibernate, Spring, mysql, Jquery, eclipse

Project description : Web based application for managing a portfolio of active and proposed projects. Its tracking key parameters of each project such as Add new project, Close complete project, edit with some restriction, change and swap projects priorities. Role based view and edit, maintained logs for audit. for more detail Visit


VSENGINE at Aircel

Technologies implemented : Java, Struts2, Hibernate, Spring, Web Services, log4j, caster, mysql, eclipse

Project description: Vsengine is a web based application to manage various VAS Services. It manages customer subscription, un-subscripiton, sending pre renew messages to intimate customers, renew subscription and conform to customer, handling grace period in case of billing fail. It provides to deliver content to customer or 3rd party data sharing. It offers web based scheduler to run cron-job


Achievements

MCA

IGNOU, 2010

Master of Computer Application (MCA) from IGNOU, New Delhi.


PDGCA

IGNOU, 2008

Post Graduate Diploma in Computer Applications (PGDCA) from IGNOU, New Delhi.


BSc-IT

AAI-Deemed University, Allahabad, 2006

Bachelor of Science in IT (BSc IT) from AAI-Deemed University, Allahabad.


Highlights

  • 15 years of enterprise software engineering experience across healthcare insurance and digital publishing.
  • Deep domain expertise in claims processing, business rule automation, healthcare workflow solutions, and AI-assisted engineering.
  • Strong track record of delivering scalable backend services, high-availability APIs, and production incident resolution.
  • Experienced in mentoring teams, collaborating with product stakeholders, and driving technical improvements with AI tools.