Aromal S
Backend Developer
Kollam
Summary
Senior Backend Developer with 3+ years of experience in designing and scaling high-performance backend systems using Python and Django REST Framework. Proven expertise in API architecture, distributed systems, and scalable platform design for high-traffic, multi-channel applications. Strong experience in third-party integrations, event-driven architectures, and system-level optimizations.
Demonstrated ability to lead backend implementations, resolve complex production issues, and deliver secure, reliable, production-grade solutions. A technically driven engineer focused on scalability, performance, and long-term system stability, with a strong commitment to engineering excellence and business impact.
Overview
3
3
years of professional experience
2
2
Languages
Work History
Back End Developer
Chat360
04.2023 - Current
- Designed and developed scalable backend services and RESTful APIs for an omnichannel messaging and chatbot platform using Python and Django REST Framework.
- Implemented WhatsApp Carousel Templates to support large-scale marketing campaigns, enabling rich media messaging with dynamic actions.
- Built a social monitoring system for Instagram, Facebook, and Google My Business, aggregating comments, messages, and reviews through Meta and Google APIs.
- Designed and implemented a bot analytics framework to accurately measure individual bot efficiency and overall system performance.
- Performed system-level performance optimizations, including query tuning, caching strategies, async processing, and event deduplication for high-volume traffic.
- Implemented a Role-Based Access Control (RBAC) system across the platform to enforce secure and granular access control.
- Designed and maintained a webhook management system for reliable, idempotent event processing across multiple channels.
- Integrated Zoho (CRM/Desk) to sync customer conversations, tickets, and engagement data with external business systems.
- Fixed multiple critical production bugs and delivered hotfixes while maintaining platform stability.
- Worked closely with clients and cross-functional teams to gather requirements, deliver custom solutions, and support live deployments.
- Managed efficient SQL queries and data transport.
- Defined and maintained databases to deliver responsiveness to data client requests.
Back End Developer
Freelance Developer
01.2023 - 03.2023
- Designed and developed a blockchain-based online election system for college students, ensuring data integrity, transparency, and tamper resistance.
- Architected and built the backend system for a coffee shop management platform, including order management, user roles, and reporting; the system is actively used in production.
- Developed a tournament hosting platform, supporting team registrations, match scheduling, result tracking, and leaderboard management.
- Designed scalable backend architectures, RESTful APIs, and database schemas tailored to real-world usage.
- Implemented authentication, authorization, and role-based access controls across freelance projects.
- Delivered end-to-end backend solutions by gathering client requirements, designing system flows, and deploying production-ready applications.
Education
Bachelor of Technology - Computer Science
APJ Abdul Kalam Technological University
Trivandrum 04.2001 -
Higher Secondary - Biology Science
CPHSS
Kollam 04.2001 -
Class 10th -
Nehru Memorial Model Secondary
Kollam 04.2001 -
Skills
- Programming Languages: Python
- Backend Frameworks: Django, Django REST Framework
- API Development: RESTful API design, API versioning, authentication & authorization
- Scalability & Performance: High-traffic system design, Redis caching, async processing, event deduplication, query optimization
- Databases: PostgreSQL, MySQL, relational database design, indexing, data integrity
- Messaging & Integrations: WhatsApp Business API, Meta (Facebook & Instagram) APIs, Google My Business API, Zoho integrations
- Distributed Systems: Webhook management, event-driven architecture, background task processing
- Security: RBAC implementation, secure API access, data protection best practices
- Testing & Debugging: Unit testing, integration testing, production debugging, log analysis
- Version Control & DevOps: Git, GitHub/GitLab workflows, code reviews, deployment support
- Monitoring & Analytics: Bot analytics, system monitoring, performance tracking
- Development Practices: Clean code, modular architecture, documentation, continuous learning
- Third Party API Integration
Timeline
Back End Developer
Chat360
04.2023 - Current
Back End Developer
Freelance Developer
01.2023 - 03.2023
Bachelor of Technology - Computer Science
APJ Abdul Kalam Technological University
04.2001 -
Higher Secondary - Biology Science
CPHSS
04.2001 -
Class 10th -
Nehru Memorial Model Secondary
04.2001 -