Niranjan Kumar

Project: eSIM

• Lead feature development and enhancements for eSIM modules, ensuring compliance with evolving telecom standards.
• Modernize legacy products using Spring Boot, Java 8, and SOAP web services to improve performance and scalability.
• Establish and manage SOAP-based intercommunication between OPM server and SIMC for seamless system integration.
• Prepare functional and technical documentation, detailing system architecture and implementation strategies.
• Develop and execute JUnit test cases to ensure software reliability and maintainability.
• Conduct peer code reviews and mentor team members to enforce best coding practices and optimize development workflows.
• Collaborate closely with clients to gather requirements, provide technical solutions, and drive successful project delivery.

• Developed and enhanced router modules using Java and GoLang, integrating with Cisco devices via gNMI, gRPC, and Protocol Buffers to enable efficient network communication.
• Designed and implemented microservices-based solutions using Docker and cloud-native patterns, improving scalability and deployment efficiency.
• Led a small technical team, assigned sprint tasks, and ensured on-time delivery while conducting code reviews and mentoring junior developers.
• Engineered a retry mechanism to manage device downtime and reconnection, increasing system resilience and uptime.
• Collaborated closely with clients across multiple projects, including a healthcare application, to gather requirements, design secure RESTful APIs, and implement Keycloak-based identity and access management.

• Developed and enhanced RESTful APIs and logging mechanisms to improve system efficiency, scalability, and maintainability.
• Optimized JMS (Java Message Service) queue integration, significantly boosting system performance and message throughput.
• Architected and implemented scalable backend solutions to support robust, enterprise-level infrastructure under high-load conditions.
• Conducted code reviews, mentored junior developers, and facilitated knowledge transfer through constructive feedback and hands-on training.
• Created comprehensive technical documentation outlining software development methodologies for use in future IT projects.

• Optimized legacy application code to improve performance, reduce technical debt, and enhance system stability.
• Designed and implemented innovative features that significantly enhanced application functionality and user experience.
• Resolved complex technical challenges by engineering robust, scalable solutions aligned with business requirements.
• Collaborated with cross-functional teams to define technical specifications and deliver high-quality software on schedule.
• Led efforts in improving code quality and maintainability through refactoring, documentation, and adherence to best practices.

• Developed and maintained RESTful APIs for banking applications, ensuring secure and efficient data exchange across platforms.
• Configured and optimized Oracle WebLogic servers to support reliable deployment and high system availability.
• Led cross-functional teams in designing and implementing a microservices-based architecture, which reduced system response time by 35% and significantly improved application scalability and maintainability.
• Collaborated with business stakeholders to gather technical requirements and translate them into functional software solutions aligned with client needs.

• Collaborated across the full software development lifecycle, from gathering requirements and translating them into use cases to coding, testing, and deploying production-ready applications for both desktop and mobile platforms.
• Developed user interfaces using HTML5 and jQuery, and implemented backend logic using MySQL and Java, including writing JUnit test cases for quality assurance.
• Contributed to the development of a next-generation integration platform, streamlining internal application communication and improving system efficiency.
• Designed and customized technical solutions for client proposals, ensuring alignment with specific customer needs and project feasibility.

• Designed and developed application modules across the full stack, including frontend interfaces using HTML5/jQuery and backend components using Java and MySQL, with JUnit test cases to ensure functionality and code quality.
• Collaborated with team members to implement new features and maintain existing functionality within project timelines.
• Participated in UI/UX improvements to enhance usability and responsiveness of client-facing applications.
• Maintained backend database structures using MySQL, optimizing queries and data models to support application performance.

• Developed and maintained website modules for the firm, implementing both frontend and backend functionality.
• Built interactive user interfaces using HTML5 and JavaScript to enhance user experience and site responsiveness.
• Wrote JUnit test cases to ensure code reliability and maintain high development standards.
• Utilized MySQL for backend data management, including database design, query optimization, and integration with web components.
• Collaborated on stages of systems development lifecycle from requirement gathering to production releases.
• Translated customer requirements into written use cases.