Developer workspace

Building Intelligent Backends & GenAI Workflows.

Neraj Lal S — |

I engineer high-performance microservices, event-driven APIs, and AI-powered automation systems. From autonomous voice desktop assistants to enterprise e-commerce backends, I turn complex data and LLM workflows into seamless production software.

Python / FastAPI / Django LLM & Gemini API Integration Microservices & Scalable APIs

About Me

Building high-performance backends, microservices, and AI-powered automation solutions using Python, PHP, Django, FastAPI, and Gemini APIs. My goal is to transform complex backend systems and LLM workflows into reliable, enterprise-grade software.

My Mission

To engineer resilient, scalable web applications and intelligent GenAI agents that bridge user needs with business goals. I aim to leverage modern tools like FastAPI, Django, and Large Language Models to build high-throughput, secure, and innovative backend architectures.

What Drives Me

Continuous experimentation, system optimization, and building in public. I enjoy architecting multi-tenant SaaS platforms, crafting voice-driven developer automation tools, and designing AI integrations that deliver measurable business impact.

Full Stack Developer
AI Enthusiast
Open Source Contributor

Clean Architecture

Scalable microservices, RESTful APIs, and optimized database design.

Python & GenAI Core

Specialized in FastAPI, Django, Gemini API, and prompt engineering.

Backend & Cloud

End-to-end API logic, event-driven workflows, and DigitalOcean deployments.

High-Performance APIs

Query optimization, caching strategies, and sub-second response times.

3.5+ Years
Professional Experience
10+
Production Projects
80%
Manual Effort Reduced via GenAI
99.9%
Uptime & System Reliability

Skills & Expertise

Backend Engineer & GenAI Developer specialized in building scalable APIs, event-driven microservices, and LLM automation workflows with Python, Django, FastAPI, and Laravel.

GenAI & AI Workflows

LLM Integration (Gemini/OpenAI APIs) 92%
Prompt Engineering 90%
AI Workflow Automation 88%
System Automation / Voice Assistants 85%

Backend Development

Python (Django & FastAPI) 92%
PHP (Laravel) 85%
REST API & Webhooks 95%
Microservices & Event-Driven Workflows 85%

Database & Cloud

MySQL 92%
SQL Query Optimization 88%
Oracle 80%
DigitalOcean & Linux 85%

Tools & DevOps

Git & GitHub 95%
Postman / API Testing 92%
Docker / Linux CLI 82%
VS Code / PyCharm 95%

Frontend & UI

JavaScript 85%
React.js 78%
Tailwind CSS & HTML5/CSS3 88%
Responsive Web Layouts 90%

Architecture & Practices

RBAC & Authentication 90%
Multi-Tenant SaaS Architecture 85%
Database Caching & Performance Tuning 88%
Clean Code & System Design 90%

Technologies I Work With

Python
FastAPI
Django
Gemini API
OpenAI API
Prompt Engineering
PHP
Laravel
REST APIs
Webhooks
MySQL
Oracle
DigitalOcean
Linux
Git
GitHub
Postman
JavaScript
React.js
Tailwind CSS

Experience & Achievements

A timeline of my professional journey in backend engineering, scalable SaaS architectures, microservices, and GenAI automation.

Professional Experience

Full-Stack Engineer

Full-time
Task19 Technologies
June 2025 - Present
Kerala
  • Architected and maintained scalable backend systems and event-driven workflows using Python, PHP, Laravel, and FastAPI.
  • Integrated Gemini API and LLM services to automate content generation and sentiment analysis, cutting manual effort by 80%.
  • Optimized database queries, caching strategies, and REST APIs to achieve sub-second response times and 99.9% system uptime.
  • Managed cloud infrastructure and CI/CD deployment pipelines on DigitalOcean with a focus on high availability and reliability.
Python
FastAPI
Laravel
Gemini API
REST APIs
DigitalOcean
MySQL

Python Developer

Full-time
Serve Techno Research
August 2023 - May 2025
Kollam, Kerala
  • Architected web applications and backend APIs using Python and Django, connected to high-throughput MySQL databases.
  • Engineered secure authentication systems and Role-Based Access Control (RBAC) to manage multi-tiered user permissions.
  • Applied Prompt Engineering to integrate LLMs into core workflows, automating document generation and intelligent data processing.
  • Optimized complex SQL queries and database indexes to improve backend processing performance on large datasets.
Python
Django
MySQL
Prompt Engineering
LLM Integration
REST APIs

Backend Developer Intern

Part-time
Serve Techno Research
August 2022 - August 2023
Kollam, Kerala
  • Developed core backend services and database logic using Python and MySQL for internal web portals and academic software.
  • Designed normalized relational database schemas and implemented secure user authentication models.
  • Collaborated with senior developers to refactor code logic, ensuring clean architecture, software reliability, and maintainability.
Python
MySQL
Database Normalization
User Authentication
Git

Key Achievements

Winner - 24-hour Hackathon

IEDC Kerala

2023

Campus Ambassador

Devtown, GDSC, Microsoft Learn

2023

Freecodecamp Certifications

Freecodecamp.org

2023

2nd Place - Coding & Debugging Challenge

Regional Tech Competition

2022

Education

Master of Computer Applications (MCA)

Sree Narayana Institute of Technology, Kollam (University of Kerala)

2022 - 2024

B.Sc. Computer Science

IHRD College of Applied Science, Kundara (University of Kerala)

2019 - 2022

Featured Projects

Showcase of real-world production applications, multi-tenant SaaS platforms, and AI automation tools engineered with modern tech stacks.

Maco AI Assistant
AI / macOS Utility

Maco

A native-behaving system automation tool executing deep OS-level developer workflows, media controls, and desktop interactions via voice and mobile. Built with local AppleScript execution and Gemini API for natural language intent processing.

Key Features:

System Automation & Voice Controls
Gemini API Contextual Processing
Remote iPhone Execution
Scene Toggles (Coding Mode, Meeting Mode)

Technologies:

Python
Gemini API
AppleScript
OS APIs
MetoMenu QR OS
SaaS / Restaurant OS

MetoMenu

Multi-tenant SaaS infrastructure and restaurant operating system built for digital ordering, dynamic QR menu management, and real-time operational analytics.

Key Features:

SaaS Multi-tenant Architecture
Role-Based Access Control (RBAC) & Tenant Isolation
Real-Time QR Menu Builder
Live Analytics & Owner Dashboard

Technologies:

Python
MySQL
Tailwind CSS
REST APIs
LMS
Web Portal

Learning Management System

Three-tier educational backend portal supporting course enrollment workflows, progress tracking, and secure media uploads for concurrent user operations.

Key Features:

3-Tier Access Portal (Admin, Instructor, Student)
Robust Role-Based Access Control (RBAC)
Automated Course Enrollment Workflows
Scalable Database & Secure File Uploads

Technologies:

Laravel
MySQL
JavaScript
PHP

Let's Work Together

Ready to bring your ideas to life? I'm always excited to discuss new projects and opportunities. Let's create something amazing together.

Send me a WhatsApp message

Available for new projects

Currently accepting new freelance projects and consulting opportunities. Let's discuss your next big idea!

Contact Information

Email
nerajnerajlal@gmail.com
Phone
+91 8547470675
WhatsApp
+91 8547470675
Location
Kollam, Kerala, India

Connect With Me

GitHub
@nerajlal
Follow
LinkedIn
Neraj Lal
Follow

What Others Say

A few words from people I've worked with.

"Neraj is a very talented developer. He is a quick learner and a great team player. I would highly recommend him for works."

Soniya Soby

Dubai

"I was impressed by Neraj's attention to detail and his ability to deliver high-quality work on time. He is a true professional."

Gokul Jayakumar

Bangalore

"Working with Neraj was a pleasure. He is a creative problem solver and always willing to go the extra mile to get the job done."

Kichu

Trivandrum