Praveen Kumar Reddy Lekkala · Sr. Software Developer (CPaaS)

About Me

Building platforms that scale with your business

CPaaS, e-commerce, LMS, and WordPress — delivered with production-grade reliability.

I design and ship resilient backend systems for enterprise CPaaS, e-commerce, LMS, and WordPress projects. My work spans Laravel/Livewire applications, payment integrations (Stripe, Razorpay), Redis-backed queues, Kubernetes deployments, and multi-channel messaging platforms.

7+ years delivering production-grade PHP and Laravel systems across CPaaS, e-commerce, LMS, and WordPress
Completed 100+ development tasks with on-time delivery across SMS, RCS, Email, WhatsApp, and Flow Builder modules
Built e-commerce platforms with Stripe and Razorpay payment gateway integrations
Developed LMS and e-learning solutions with course management and secure content access
Delivered WordPress themes, plugins, and WooCommerce customizations for business clients
Optimized Email and WhatsApp TPS with dynamic queue control and native DLR handling

What I deliver

End-to-end ownership from code to production

CPaaS & Messaging

SMS, RCS, WhatsApp, Email, and Voice platforms with campaign automation and DLR processing.

E-Commerce & Payments

Laravel storefronts with Stripe, Razorpay, and order management workflows.

LMS & WordPress

Course platforms, WooCommerce stores, custom themes, and plugin development.

Skills

Technical expertise across the stack

Backend

PHP Laravel Livewire REST APIs WordPress

Database

MySQL Redis Archive Tables Query Optimization

Cloud & DevOps

AWS Docker Kubernetes Nginx Linux Sentry CI/CD

Messaging Platforms

SMS RCS WhatsApp (Gupshup/WABA) Email (SES/SMTP) Voice DLR Processing Campaign Management Flow Builder

Frontend & CMS

JavaScript Alpine.js Tailwind CSS Bootstrap WordPress WooCommerce HTML5 CSS3

Payments & Integrations

Stripe Razorpay Amazon SES Gupshup API Zoom API

Featured Projects

Work across CPaaS, commerce, and learning platforms

A selection of enterprise messaging systems, e-commerce builds, LMS products, and WordPress solutions shipped in production.

CPaaS Featured

CPaaS+ Omnichannel Platform

Enterprise communications platform for SMS, RCS, WhatsApp, Email, and Voice with campaign management, unified APIs, and real-time analytics.

Laravel Redis Kubernetes MySQL AWS

Unified APIs
Campaign scheduling
Overview dashboards
DLR tracking

CPaaS Featured

CPaaS+ Omnichannel Platform

Enterprise communications platform for SMS, RCS, WhatsApp, Email, and Voice with campaign management, unified APIs, and real-time analytics.

Laravel Redis Kubernetes MySQL AWS

E-Commerce Featured

E-Commerce Platform

Full-featured Laravel e-commerce application with product catalog, cart, checkout, order management, and secure payment processing.

Laravel MySQL Stripe Razorpay Redis

Stripe & Razorpay payments
Product catalog
Admin dashboard
Order tracking

E-Commerce Featured

E-Commerce Platform

Full-featured Laravel e-commerce application with product catalog, cart, checkout, order management, and secure payment processing.

Laravel MySQL Stripe Razorpay Redis

LMS

LMS & E-Learning Platform

Learning management system for online courses with enrollment, progress tracking, assessments, and secure content delivery.

Laravel MySQL Livewire Stripe AWS

Course management
User enrollment
Payment integration

WordPress

WordPress & WooCommerce Solutions

Custom WordPress development including theme customization, plugin development, WooCommerce setup, and performance optimization.

WordPress WooCommerce PHP MySQL JavaScript

Custom themes & plugins
WooCommerce stores
SEO optimization

Automation

Flow Builder & Journey Automation

Visual workflow engine for omnichannel customer journeys with delay nodes, dynamic variables, webhooks, and DLR-triggered branching.

Laravel Redis Alpine.js MySQL AWS S3

Delay & unread nodes
Webhook integrations
S3 media uploads

CPaaS

WhatsApp Business API Platform

Gupshup-powered WhatsApp integration with template management, interactive buttons, campaign APIs, and delivery reporting.

Laravel Livewire Redis Gupshup API

Campaign APIs
Meta button capture
Overview reports

CPaaS

SMS & RCS Campaign Engine

High-throughput SMS and RCS campaign system with gateway optimization, archive data support, and export performance.

Laravel MySQL Redis Alpine.js

RCS template APIs
OTP templates
Campaign reports

SaaS

Multi-Tenant SaaS Platform

White-label SaaS deployments with tenant provisioning, billing modules, role-based access, and regional configuration for enterprise clients.

Laravel MySQL Redis Kubernetes

Tenant provisioning
Billing & subscriptions
White-labelling

Experience

Career timeline and impact

Dec 2024 — Present

Current

Sr. Software Developer (CPaaS)

Globe Teleservices · Singapore · Remote

Responsibilities

• Develop and maintain the CPaaS+ omnichannel platform across SMS, RCS, Email, WhatsApp, and Voice
• Build and enhance Flow Builder automation with dynamic variables, webhooks, and DLR-driven workflow triggers
• Optimize Email and WhatsApp TPS with queue jobs, dynamic rate control, and native DLR processing
• Integrate reporting module with OutPlatform and DDCM module APIs for enterprise clients
• Manage production deployments, hotfixes, and Kubernetes infrastructure across Malaysia and Singapore environments

Key achievements

• Completed 100+ tasks in a single review cycle with high platform stability and on-time delivery
• Improved Email and WhatsApp throughput with dynamic TPS control and queue optimization
• Delivered RCS template APIs, campaign processing, archive support, and high-volume export performance
• Integrated Sentry monitoring, certificate management, and multi-tenant deployments for Kalaam and Cerf Solutions

Laravel Livewire Redis Kubernetes AWS MySQL Sentry

May 2021 — Dec 2024

Senior Software Developer

EYWAMEDIA · Singapore · Hybrid

Responsibilities

• Built customer journey and CPaaS messaging features for cross-screen audience engagement
• Developed SMS analytics dashboards, campaign orchestration, and webhook-driven delivery reports
• Mentored junior developers and conducted knowledge transfer sessions on Laravel best practices
• Collaborated on multi-tenant SaaS modules and billing workflows for enterprise clients

Key achievements

• Promoted from Software Engineer to Senior Software Developer based on CPaaS delivery impact
• Optimized Redis processing throughput for bulk SMS campaigns
• Shipped production-critical messaging features on schedule across multiple client deployments
• Reduced failed message retries with smarter backoff and DLR handling policies

Laravel MySQL Redis AWS Nginx Bootstrap

Jun 2018 — May 2021

PHP Developer

Satsyil Corp · Herndon, VA · Remote

Responsibilities

• Developed REST APIs and web applications for federal, state, and healthcare clients
• Built backend services for data analytics, cloud engineering, and enterprise IT modernization projects
• Containerized services with Docker and collaborated with cross-functional agile teams
• Maintained code quality through reviews, testing, and adherence to development standards

Key achievements

• Delivered scalable Laravel applications for government and healthcare sector clients
• Improved application reliability with health checks, logging, and monitoring practices
• Contributed to AI/ML and big data solution delivery in a CMMI and ISO certified environment

PHP Laravel MySQL Docker Linux

Tech Stack

Tools I use to ship reliable systems

PH

PHP

LA

Laravel

LI

Livewire

WO

WordPress

WO

WooCommerce

MY

MySQL

RE

Redis

AW

AWS

DO

Docker

KU

Kubernetes

ST

Stripe

RA

Razorpay

AL

Alpine.js

TA

Tailwind CSS

SE

Sentry

GI

Git

Testimonials

Recommendations from colleagues

“Praveen consistently resolves critical production issues across SMS, RCS, Email, and WhatsApp with exceptional ownership. His CPaaS delivery and hotfix response have been instrumental to platform stability.”

Neelam Shukla

Reporting Manager, Globe Teleservices

“A reliable Laravel engineer who delivers complex integrations—from Sentry and DDCM to Flow Builder enhancements—on time with clear documentation and strong cross-team coordination.”

Sankar

Technical Lead, Globe Teleservices

“Deep CPaaS expertise combined with mentoring and knowledge transfer. Praveen shipped production-critical messaging features while uplifting the team through KT sessions and code quality practices.”

Engineering Leadership

Product & QA Collaboration, EYWAMEDIA

Blog

Latest technical writing

CPaaS

Optimizing TPS for Email and WhatsApp Campaigns

Dynamic rate control, queue jobs, and native DLR processing patterns for high-throughput CPaaS channels.

May 12, 2026

Flow Builder

Building DLR-Driven Flow Builder Automations

How delivery reports trigger workflow nodes, dynamic variables, and real-time journey analytics.

Apr 2, 2026

RCS

RCS Campaign Performance at Scale

Template validation, archive integration, and export optimization for enterprise RCS deployments.

Feb 18, 2026

Kubernetes

Kubernetes Support for Laravel CPaaS Workloads

Pod management, certificate renewal, and queue stability across multi-region deployments.

Jan 9, 2026

System Design

Integrating Reporting Modules in Multi-Tenant SaaS

Schema synchronization, tenant isolation, and cross-team delivery for OutPlatform reporting.

Nov 21, 2025

Production Support

Production Hotfix Playbook for CPaaS Platforms

SLA-driven incident response for campaign failures, DLR delays, and queue backlogs.

Oct 3, 2025

Resume

Education and achievements

Online resume preview

Download Resume

Praveen Kumar Reddy Lekkala

Sr. Software Developer (CPaaS)

Sr. Software Developer with 7+ years building Laravel platforms across CPaaS, e-commerce, LMS, and WordPress. I deliver omnichannel messaging (SMS, RCS, WhatsApp, Email, Voice), scalable SaaS systems, and payment-integrated web applications for enterprise clients.

Bhopal, Madhya Pradesh, India

LinkedIn Profile

Core strengths

Laravel · CPaaS · SMS · RCS · WhatsApp · Flow Builder · Kubernetes · Production Support

Education

B.Tech in Electrical and Electronics Engineering

Audisankara Institute of Technology, Gudur · 2015 — 2018
Diploma in Electrical and Electronics Engineering

Dr. Y. C. James Yen Rural Polytechnic College, Kuppam · 2011 — 2014

Achievements

• Delivered e-commerce, LMS, WordPress, and CPaaS platforms across enterprise and SaaS clients
• Optimized Email and WhatsApp TPS with dynamic rate control and native DLR processing
• Delivered reporting module integration with OutPlatform and GTSTechLab teams
• Managed end-to-end deployments for Kalaam, Malaysia, and Singapore CPaaS environments
• Provided Kubernetes, queue, and infrastructure support with certificate management and DB synchronization

Contact

Let’s build something reliable

Location

Bhopal, Madhya Pradesh, India

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