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Software Development Engineer with 5+ years in Python, Node.js & Microservices.
Experienced Backend Engineer with 5 years of experience in designing, developing, and scaling high-performance web applications and RESTful APIs. Proficient in Python (FastAPI) and Node.js (NestJS, Express.js) with strong expertise in backend development, microservices architecture, and scalable system design. Experienced in building secure APIs, implementing authentication mechanisms such as JWT, and creating API documentation using Swagger/OpenAPI. Strong hands-on experience with PostgreSQL, MongoDB, MySQL, and Redis along with ORM tools such as Sequelize, TypeORM, and SQLAlchemy. Currently working on rebuilding an enterprise Payroll and HCM system using NestJS microservices architecture, focusing on scalable backend services, payroll processing workflows, and system performance optimization.
Cambridge Institute of Technology, Bengaluru
Master of Computer Applications (M.C.A.)
September 1, 2019 – August 1, 2021
National Business College, Patna
Bachelor of Computer Applications (B.C.A.)
August 1, 2016 – June 1, 2019
Bihar School Examination Board, Patna
Intermediate (12th Science - Math) · Science - Math
April 1, 2014 – May 1, 2016
Central Board of Secondary Education
Secondary School (10th)
April 1, 2013 – April 1, 2014
Teamlease Service Ltd
Lead Software Development Engineer
June 1, 2022 – Present
India
Havi Technologies Private Limited
Full Stack Developer
April 1, 2021 – May 1, 2022
India
HCM (ATL) and HCM Payroll Systems
June 1, 2022 – Present
Developed enterprise-grade HCM (Human Capital Management) modules including Attendance Tracking & Leave (ATL) and Payroll Management systems. Built scalable backend services using the MoleculerJS microservices framework, designing modular REST APIs to handle complex HRMS and payroll workflows. Developed dynamic CRUD APIs for managing employee records, attendance logs, leave balances, salary structures, statutory deductions, and payroll processing. Designed and integrated APIs with external systems such as biometric attendance devices and banking APIs for automated payroll disbursement. Wrote optimized SQL queries for large datasets to support reporting, auditing, and monthly payroll processing. Implemented payroll features including attendance summaries, leave adjustments, payroll register generation, payslip calculations, TDS and PF computation. Developed reporting and export functionality for payroll and HRMS data using ExcelJS for audit and compliance requirements. Participated in code reviews, debugging, and performance optimization to maintain data integrity and ensure reliable payroll system operations.
Havi Technologies - Robotic & IoT Coding Platform
April 1, 2021 – May 1, 2022
Developed and maintained web platforms for robotics and IoT education, including a drag-and-drop coding interface using Blockly integrated with React.js and Node.js (Express.js) APIs. Built RESTful backend APIs for user management, coding challenges, and project data processing while ensuring secure data storage using MongoDB and Firebase. Implemented core platform modules including the Coding Platform, Havi Heroes public showcase, User Portal, and Admin Panel to support learning and project management workflows. Managed application deployment and hosting on AWS and Hostinger, ensuring system reliability, performance optimization, and seamless user accessibility.
Cultural Fit Analysis
The candidate's experience across different project types (enterprise HRMS/Payroll, educational robotics/IoT platforms) and a diverse tech stack (Node.js, Python, various databases, cloud platforms, messaging queues) indicates adaptability and a willingness to learn new technologies. Their leadership role and involvement in team collaboration suggest a proactive and team-oriented mindset. The breadth of skills and project diversity align well with a dynamic and innovative work environment, indicating a strong cultural fit for roles requiring versatility and continuous learning.
Soft Skills & Operational Fit
The candidate demonstrates strong leadership skills, having led a team of 3 developers. Their experience in collaborating with frontend teams and participating in code reviews indicates good teamwork and communication. The focus on performance optimization, data integrity, and reliable system operations suggests a detail-oriented and responsible approach to development. Their involvement in the complete product lifecycle, from design to deployment, shows a comprehensive understanding of operational workflows.