
WhatsAPP Business automation system
WhatsApp Business marketing & engagement solution for SMBs & enterprises
Web-based customer communication platform in WhatsApp Business with the ability to view messages, mass mailings, chatbot constructors without code and a conflict manager. Сutting-edge customer engagement software built on WhatsApp’s Business API helps to simplify the creation of personalized conversational experiences across the customer life cycle.
Team

Project Manager
Planned sprints, milestones and release dates. Controlled and managed the workflow in Slack and Notion

QA Engineer
Tracked the bugs, reported to the developers. Assured the highest product quality

DevOPS Engineer
Automatized and managed deploy and delivery, kept the development process continuous and cohesive

Middle Frontend developer
React + Redux, frontend, UI/UX, adaptivity

Middle Backend developer
.Net6 + MongoDb, API, performance

Tech lead
Managing technical aspects of software development, tech team leader

Product owner
Coordinated and prioritized the tasks in accordance with the company’s needs and goals

CTO
Overseeing and managing of the development processes to help improve and increase business

Product owner
Coordinating and prioritization the tasks in accordance with the company’s needs and goals

QA lead
Estimating, planning, and coordinating testing activities

QA Engineers
Tracked the bugs, reported to the developers. Assured the highest product quality

Middle Frontend developer
React + Redux, frontend, UI/UX, adaptivity

Senior Backend developer
.Net6 + MongoDb, SignalR (+Azure), project and database architecture, API, performance
Milestones
Launching MVP from scratch
Performance optimization - frontend, backend, database
Complete UI redesign
Development of multiple plugins and addons for external services
Continuous improving, adding new features in accordance with the business’ goals
Timeline
Technology stack
- FrontEnd: React + Redux
- BackEnd: .Net6, MongoDb, SignalR (+Azure), Hangfire, Redis, Docker
- External Services: Shopify, Woocommerce, Hubspot, Zoho, Google, Zapier, etc.


Impact on the customer’s performance
- Failover and cost-effective workflows, DevOps infrastructure Processing any number of incoming messages without performance loss
- High demand 100 → 2500 active tenants after MVP phase, 1M+ sent messages per day
- Performance growth Process and deliver 10,000 messages increased by 300 percent
Challenges
- Development of web-based platform from scratch, fully custom solution
- Сritical requirement is to ensure high performance under high loads
- Fast speed of delivery, reducing release cycle from 1.5 months to 2 weeks
- Implementation of brand new UI version after production launch

