Praveen Kumar Kaja
Fuquay-Varina,USA
Summary
Accomplished Full-Stack Developer with 15 years of experience in Java, J2EE, Node.js, and microservices. Led complex healthcare projects while ensuring compliance with HIPAA regulations. Proficient in AWS technologies, including EC2, Lambda, and RDS, with expertise in automated QA testing solutions and integration platforms. Certified in advanced generative AI from Purdue University.
Overview
17
17
years of professional experience
1
1
Certification
Work History
Senior Integration Developer & Architect
Nttdata Inc
Fuquay-Varina, NC
06.2020 - Current
- Developed integration solutions leveraging AWS REST APIs and web services to enhance system connectivity.
- Automated deployment of AWS resources using CI/CD pipelines integrated with GitHub.
- Migrated claims correspondence processes from legacy iSeries systems to AWS with Python and Glue workflows.
- Designed enterprise correspondence as a service (CaaS) for real-time and batch generation using AWS services and Aspose .NET.
- Collaborated with cross-functional teams to gather and refine project requirements, ensuring alignment with business objectives.
- Conducted comprehensive system testing to validate integration functionality across platforms, ensuring reliability and performance.
- Documented integration processes and technical specifications for future reference.
- Mentored junior developers on best practices in integration development and technologies.
Senior Developer & lead
Nttdata Inc
Durham, USA
12.2014 - 06.2020
- Led tech team of 10, coordinating on multiple applications developed with JCAPS, IIB, JAVA, Python, Unix Shell Scripts, JavaScript, AWS, and EDIFECS.
- Designed and developed scalable and efficient Java/J2EE applications, utilizing Spring Boot framework.
- Orchestrated the deployment and management of Spring Boot applications on AWS cloud infrastructure, leveraging services such as EC2, Lambda, API Gateway, and RDS.
- Implemented auto-scaling and load balancing configurations to optimize application performance and availability.
- Integrated Spring Boot applications with various AWS services, including S3 for storage, SQS for asynchronous messaging, and DynamoDB for NoSQL data storage.
- Leveraged AWS SDKs and libraries to streamline integration and enhance application functionality.
- Established CI/CD pipelines to automate the build, test, and deployment processes for Java-based applications, leveraging tools like Jenkins, Docker, and Kubernetes.
- Reduced nearly 300+ hours/year of manual efforts by automating daily health check report and regular task by developing scripts and monitoring application using Java and J2EE.
- Developed shell scripts and web application to proactively identify and process the stuck claims, by doing so reduced the provider calls volume by nearly 20% and achieved good customer satisfaction.
- Developed and implemented application improvements, reducing year-on-year incident volume by 10%, totaling approximately 1000 incidents.
- Updated applications to latest Java version and application server, addressing security vulnerabilities and enhancing performance.
- Reduced latency of end user application by 25%, by identifying areas requiring improvement and by implementing new workflows to reduce task micromanagement.
- Developed implementation and validation scripts to identify, update and validate the PHI information to dummy values to reduce manual effort.
- Developed 5 critical RPA bots using Pega & Openspan tool on manual claim processing which resulted in ~$150k annual savings.
- Developed end user applications using Java, Spring, MDB and adhered to industry standards.
- Collaborated with business users to identify routine tasks for automation.
- Client: BlueCross NC, 1960 Ivy creek blvd, Durham NC
Developer & Senior Developer
Accenture
, India
08.2009 - 11.2014
- Developed and maintained Java/J2EE-based applications for a prestigious automotive client, employing Spring Boot for rapid development and deployment.
- Designed and implemented RESTful APIs to enable seamless integration between frontend and backend systems, facilitating data exchange and business logic execution.
- Utilized JavaScript and Node.js for server-side scripting and to enhance the functionality and interactivity of web applications.
- Mapped requirements and provided customized software solutions, finalizing product specifications and selecting appropriate techniques to meet client needs.
- Collaborated with client stakeholders and business analysts to gather requirements, define technical specifications, and deliver solutions aligned with business objectives.
- Ensured compliance with industry standards and best practices for software development, including performance optimization and code modularity.
- Conducted system studies and coordinated with team members to design and integrate systems, ensuring alignment with project goals.
- Handling technical aspects like software design, coding of modules, monitoring critical paths & taking appropriate actions.
- Managing smooth implementation of projects at client location.
- Extending post-implementation, application maintenance and technical support to the client.
- Identified enhancement opportunities in applications to stabilize processes and improve usability for users.
- Client: BMW, Munich Germany
Education
Bachelor of Technology (B. Tech) - Electronics Engineering
National Institute of Technology (N.I.T)
Surat, Gujarat, IndiaSkills
- Integration platform development
- Microservices architecture
- AWS services
- Enterprise service bus
- RESTful APIs
- CI/CD pipelines
- Cloud architecture
- Business process automation
- Java and Python
- Spring MVC
- JavaScript frameworks
- Modern JavaScript libraries
- Frontend integration solutions
- Database management
- Machine learning integration
- Agile project management
- System testing
- Requirement gathering
- Mentorship capabilities
Certification
- Advanced Generative AI professional from Purdue university
Skills Summary
Python, Generative AI(Langchain, Hugging face, RAG, LLM fine tuning, vector store), Snap logic, IIB,AWS services, Oracle11g, IBM DB2, SQL Server, MySql Aurora, Java, Spring MVC, Python, Java script, Node JS, Restful Webservices, JAVA/J2EE, jQuery, JSTL, React JS
Timeline
Senior Integration Developer & Architect
Nttdata Inc
06.2020 - Current
Senior Developer & lead
Nttdata Inc
12.2014 - 06.2020
Developer & Senior Developer
Accenture
08.2009 - 11.2014
Bachelor of Technology (B. Tech) - Electronics Engineering
National Institute of Technology (N.I.T)