$ whoami

JEYAKUMAR K

> Senior Flutter Engineer | Mobile Architect | Flutter & Backend Systems | 10M+ Users

Bengaluru, India

$ cat about.txt

Senior Flutter Engineer with 9+ years of software engineering experience and 6+ years specializing in scalable Flutter applications serving 10M+ users. Experienced in Flutter architecture, modular application design, performance optimization, CI/CD automation, and large-scale mobile platform development. Proven expertise in leading cross-functional engineering teams, architecting production systems using Flutter and FastAPI, and managing end-to-end App Store & Play Store releases for high-growth products. Skilled across mobile engineering (Flutter, Dart, Kotlin, Swift), backend systems (FastAPI, Node.js, PHP), cloud deployments (Google Cloud Run, AWS), payment gateways, streaming integrations, and analytics platforms. Uses AI-assisted development with Cursor, GitHub Copilot, and MCP to accelerate delivery and improve code quality.

> Skills.map()

Mobile Engineering

Flutter (Android & iOS), Dart

Native Android (Kotlin)

Native iOS (Swift)

Flutter/React Web

REST API, Firebase Suite

Push Notifications, Deep Linking

Payment Gateway Integration

Flutter Architecture

BLoC / Riverpod, Freezed, Dio

go_router, Clean Architecture

DDD, SOLID, MVVM

Repository Pattern, Modular Architecture

Dependency Injection, Method Channels

Offline-First, Performance Optimization

Unit & Widget Tests in Feature Modules

Backend & Cloud

Python (FastAPI, Kafka)

Node.js (Express)

PHP (CodeIgniter)

Google Cloud Run, AWS

Docker, CI/CD Pipelines

Databases & Analytics

PostgreSQL, MySQL, MongoDB

Redis, BigQuery, ClickHouse

Firebase, MoEngage, Adjust

Integrations

Razorpay, PhonePe, HDFC

WebRTC, 100ms Live Video SDK

JotURL (DDL)

AI-Assisted Development

Cursor

GitHub Copilot

MCP

> Career.timeline()

Senior Engineer - Mobile & AI Stack (Flutter)

PwC AC - Contract (through ObjectWin Technologies)

Sep 2025 – Jan 2026

5 mos

Bengaluru

  • Completed enterprise onboarding and structured training in Web Security and Mobile Application Security
  • Acquired practical knowledge of secure coding standards, OWASP Top 10, and security best practices for mobile applications

Lead Flutter Engineer / Engineering Manager

Bosswallah Technologies

Nov 2019 – Jun 2025

5 yrs 8 mos

Bengaluru

  • Led architecture and hands-on development of scalable Flutter applications serving 10M+ users across Android, iOS, and Web platforms
  • Designed modular Flutter architecture using Clean Architecture, BLoC, Repository Pattern, and dependency injection principles
  • Built and integrated FastAPI microservices deployed on Google Cloud Run for scalable backend operations
  • Automated QA and release pipelines using CI/CD workflows, reducing release turnaround time and improving deployment reliability
  • Led a cross-functional engineering team of 7 developers across Flutter and backend systems, driving Agile delivery, sprint planning, and release management using Jira
  • Implemented payment gateway integrations, including Razorpay, PhonePe, and HDFC, with secure transaction handling
  • Implemented scalable unit and widget testing practices across Flutter feature modules

Backend Developer

MN Service Providers

Aug 2018 – Nov 2019

1 yr 3 mos

Bengaluru

  • Worked as a Backend Developer as part of a small backend team of 4 members, delivering enterprise-scale backend systems for internal business operations
  • Delivered complex backend platforms using PHP (CodeIgniter) and MySQL for HR, Finance, Vendor Management, Procurement, and Reporting
  • Developed RESTful APIs, complex data models, and custom admin dashboards supporting multiple business units
  • Enhanced system security, optimized database performance, and improved scalability for production environments
  • Built native Android applications handling offline-first models for ERP, billing, sales tracking, and chit-fund collections
  • Integrated payment collection workflows with SMS, Bluetooth receipt printing, and agent tracking using GPS

Android Developer (Native Apps)

Gateway Software Solutions

Apr 2017 – May 2018

1 yr 2 mos

Coimbatore

  • Built initial Android prototypes, focused on clean UI/UX, API consumption, debugging, and native SDK integrations

Android Development Intern

Poras Technologies

Jan 2017 – Apr 2017

4 mos

Coimbatore

  • Built initial Android prototypes, focused on clean UI/UX, API consumption, debugging, and native SDK integrations

> Projects.showcase()

Flutter

Android, iOS and Web · Play Store & App Store

Entrepreneurship learning and engagement platform serving 10M+ users. Delivered scalable Flutter applications with integrated course streaming, live webinars, one-to-one video calling, discussion forums, secure payment systems, analytics, and user engagement platforms.

Bossworks

100+ Users
Flutter

Android, iOS and Web · Play Store & App Store

Business planning and execution platform helping entrepreneurs launch and manage real-world businesses. Delivered scalable Flutter applications with integrated project tracking, financial planning, funding workflows, AI assistants, and business management systems.

Flutter Backend

Android and iOS · Play Store & App Store · Freelance

School management and learning platform enabling schools to assess, track, and report student progress. Architected complete Flutter frontend and backend systems with curriculum management, communication, engagement, analytics, and secure payment features.

LeadMarket App (Product Sunset)

Flutter

Android & iOS

Fintech lead generation platform for insurance, loans, and mutual fund services. Led end-to-end Flutter architecture and development from scratch with secure payment gateways, Firebase, analytics, and lead scoring workflows. Launched on Play Store and App Store.

Influencer Marketing App (Product Sunset)

Flutter

Android & iOS

Internal influencer engagement platform for BossWallah installs, subscriptions, and user acquisition. Developed Flutter apps for influencer onboarding, campaign tracking, referral workflows, and performance analytics with Firebase and engagement tracking.

Purtainet ERP Platform

Backend

Web

Comprehensive back-office ERP covering employee management, HRMS, finance, procurement, document management, and Tally integration. Built scalable backend modules, role-based workflows, reporting systems, REST APIs, and admin dashboards.

Offline-First Enterprise Mobile Applications

Android & iOS · Internal distribution

Developed multiple offline-first native mobile applications for local business operations including ERP, CRM, product ordering, agent tracking, billing, and chit fund collection systems with offline synchronization, GPS tracking, Bluetooth printing, and field-agent workflows.

> Performance.metrics()

10M+

Users across mobile platforms

99.5%

Crash-free sessions maintained

30%

Reduction in API latency

22%

Reduction in APK size

18%

Improved build performance

Multi

Production-grade Android, iOS & Web apps delivered

> Education.details()

Master of Computer Applications (MCA)

2017 · 74.3%

Bachelor of Computer Applications (BCA)

2015 · 67.4%

Languages

English: Professional · Tamil: Native · Kannada: Conversational

> Certificates.showcase()

CERTIFICATIONS & BADGES

COMMUNITY CONTRIBUTIONS

StackOverflow

Reputation: 2000+

Gold: 5 | Silver: 22 | Bronze: 39

Medium

Published 50+ technical blogs

Average monthly article reach: 2.5k views

> Blogs.top(5)