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Senior Mern Developer with 4+ years in Fintech & Insurance
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Assessing your cultural and operational fit
Results-oriented MERN Stack Developer with 3+ years of experience designing, developing, and deploying full-stack web applications in fintech and insurance domains. Proven expertise in React.js, Node.js, Express.js, and MongoDB with a strong foundation in RESTful API architecture, JWT-based security, and performance optimization. Adept at translating complex business requirements into clean, maintainable code within Agile environments.
Madurai Kamaraj University
B.Sc. · Mathematics
N/A – June 30, 2022
Sixsigma Technosoft
Software Developer - MERN Stack
June 1, 2022 – Present
Chennai, Tamil Nadu, India
Investment Data Visualization System
September 1, 2024 – June 1, 2026
Architected a reusable React component library for investment charts, sortable data tables, and configurable filters, accelerating feature delivery. Built secure RESTful APIs to retrieve and update investment portfolio data in MongoDB Atlas with proper authorization layers. Integrated Chart.js to render dynamic, interactive visualizations for fund allocation, returns, and portfolio performance analytics. Implemented a file upload module for ingesting external CSV/Excel investment datasets into the platform. Developed a scheduled Node.js batch job for daily auto-reconciliation of investment data, ensuring consistency across the system. Managed session lifecycle using HTTP cookies and JWT tokens with separate admin and investor portal access roles.
Insurance Claims Processing Portal
August 1, 2023 – September 1, 2024
Developed RESTful APIs for claim submission, real-time status tracking, and policy validation, reducing manual processing time. Created dynamic, validation-driven React forms for policy and claim data capture, significantly lowering data entry errors. Refactored backend architecture using Nests to follow modular and scalable design patterns. Designed MongoDB schemas using Mongoose and wrote aggregation pipelines powering management-level reporting dashboards. Built a fraud detection module leveraging historical data patterns to automatically flag duplicate and suspicious claims. Designed a role-based admin panel for claim approval and rejection with full audit trail and status management capabilities. Authored Jest unit tests for critical backend services, improving test coverage and overall code reliability.
Loan Management & EMI Scheduler
June 1, 2022 – August 1, 2023
Engineered RESTful APIs for end-to-end loan application workflows including submission, approval/rejection logic, and automated EMI schedule generation. Implemented JWT-based authentication and bcrypt password hashing to enforce secure, role-based access control across the platform. Built a real-time EMI calculator with dynamic recalculation based on interest rate and loan tenure, improving user experience. Designed a penalty and early-closure module integrated with backend business rules, improving financial accuracy. Applied front-end validations in React and backend middleware validations in Express for robust, full-stack error handling. Deployed the full-stack application and monitored server logs to resolve performance bottlenecks in production.
Cultural Fit Analysis
The candidate has experience across fintech and insurance domains, demonstrating versatility and adaptability to different business contexts. The project diversity (loan management, insurance claims, investment visualization) indicates a broad interest and ability to tackle varied technical challenges. The explicit mention of Agile/Scrum experience suggests a fit for modern development environments. The role as 'Software Developer - MERN Stack' aligns directly with the 'Senior Mern Developer' target role.
Soft Skills & Operational Fit
The candidate's resume highlights successful delivery of 3 enterprise projects end-to-end within deadlines, indicating strong project management and execution skills. Experience with Agile/Scrum methodology and Git-based collaborative workflows suggests good team collaboration and adaptability. The focus on secure, maintainable code and performance optimization aligns with best practices for senior roles.