Senior Full Stack Software Engineer with 3.6+ years of SaaS experience

Chaitanya Mudili

Full Stack Software Development Engineer

***************@*****.*** +91-939**-***** linkedin.com/in/chaitanya-mudili Professional Summary

Full Stack Software Development Engineer with 3.6+ years of experience designing and developing scalable SaaS applications using JavaScript, TypeScript, Node.js, Angular, MySQL, Redis, and AWS. Proven track record in building high-performance REST and GraphQL APIs, optimizing large-scale systems processing 20,000+ records, and delivering enterprise features in agile environments with zero compliance errors.

Skills

Languages: JavaScript, TypeScript, Python

Backend: Node.js, Express.js, Hapi.js, REST APIs, GraphQL, WebSockets, Objection.js, Knex.js, Redis, Nest.js

Architecture and Design: Design Patterns, Microservices, Clean Code Architecture Frontend: Angular, React, HTML, CSS, RxJs, NgRx State Management Databases: MySQL, MongoDB

Cloud & Tools: AWS (S3, CDN, Lambda, EC2), Git, CI/CD, Agile (Scrum), Debugging, Docker, Kubernates

Developer Tools: n8n workflows, Postman, Grafana, Git, VS Code, Cursor, Jira Professional Experience

Full Stack Software Development Engineer June 2023 – Present Akrivia HCM, Hyderabad

Enterprise Payroll & Compensation Management Platform

• Architected an IRAS integration engine using Node.js and Axios, enabling Singapore market expansion and supporting an 80% increase in client onboarding capacity.

• Automated payroll synchronization with Singapore’s tax authority (IRAS) using n8n workflows, processing 10,000+ transactions monthly and ensuring 100% reliability in handling of filings, amendments, and data revisions.

• Delivered multi-country payroll compliance solutions for 4 countries (India, Singapore, Malaysia, and Vietnam), supporting 12+ statutory filing types including CP39, SOCSO, EPF, IR21, IR8A, Appendix 8A/8B, and Report 05-KK.

• Automated statutory PDF and Excel report generation using Puppeteer and ExcelJS, reducing manual processing time by 90% and saving 120+ hours monthly across the HR team.

• Led the development of the Indian quarterly tax filing system (Form 24Q), processing 10,000+ employee records per quarter with zero compliance errors.

• Built scalable RESTful APIs to automate performance-based compensation cycles for 1,000+ employees across 50+ departments, reducing manual HR effort by 40% and improving processing speed by 3x.

• Developed Angular dashboards with role-based access control serving 500+ concurrent users for real-time compensation analytics.

• Optimized MySQL queries handling 100,000+ database records, improving processing performance by 25%, and reducing query execution time from 8 seconds to 6 seconds during peak cycles. 1

• Implemented a Redis caching strategy for high-frequency API endpoints, reducing API latency by 30% and improving response time from 300ms to 210ms.

• Designed high-availability REST and GraphQL APIs achieving 99.95% uptime by integrating Angular, Node.js, and MySQL with comprehensive error handling and monitoring. Software Development Engineer Intern Oct 2022 – Jun 2023 Akrivia Automations, Visakhapatnam

• Resolved 25+ production issues across multiple modules, improving application stability by 35% and reducing system downtime by 40%.

• Optimized backend logic and refactored 15+ legacy modules, reducing codebase complexity by 20% and improving maintainability scores from C to A grade.

• Developed 10+ REST APIs and integrated 5 third-party services including payment gateways and notification systems, expanding platform capabilities by 30%.

• Built 20+ reusable Angular components using TypeScript, accelerating feature development by 50% and reducing code duplication by 45%.

Key Technical Achievements

• Processed 200,000+ payroll records annually across 4 countries with zero statutory compliance issues, maintaining 100% accuracy in tax calculations and filings.

• Reduced manual payroll and tax form generation effort by 90% through end-to-end automation.

• Improved API reliability and security through comprehensive testing and validation, reducing post-deployment production defects by 30% and achieving 99.95% API uptime.

• Delivered 15+ high-priority payroll and compensation features across 4 enterprise SaaS releases under strict compliance deadlines, achieving a 100% on-time delivery rate. Personal Projects

Real-Time Chat Application – Node.js, Angular, MySQL, Docker, AWS EC2, Nginx, Socket.io, JWT Live: https://vayyu.duckdns.org

• Built a full-stack real-time chat app with Angular + Node.js, live messaging via Socket.io, and JWT authentication.

• Implemented MySQL Master-Slave replication and containerized with Docker (4 services); deployed on AWS EC2 with Nginx reverse proxy and HTTPS via Let’s Encrypt. Education

Bachelor of Technology in Computer Science and Engineering 2019 – 2023 Raghu Engineering College GPA: 8.5/10

Certifications

• Angular (Udemy)

• Node.js (Udemy)

• Python Programming for Everybody (Coursera)

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