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Scalable Systems::Senior Mobile Engineer

Hello, I am
ZK.

Architecting scalable mobile systems with Flutter, Clean Architecture, and high-performance cross-platform engineering.

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current_statusAvailable for Freelance
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mobile_stack
FlutterDartRiverpodBLoCClean ArchitectureREST APIsWebSocketsFirebaseSupabaseSQLiteHiveFastlaneGitHub ActionsFlutterDartRiverpodBLoCClean ArchitectureREST APIsWebSocketsFirebaseSupabaseSQLiteHiveFastlaneGitHub Actions
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About & Education

ENGINEERING SCALABLE MOBILE EXPERIENCES WITH PERFORMANCE, RELIABILITY, AND MAINTAINABLE ARCHITECTURE.

About & Education

[ BIO_DATA ]
about_me//

Senior Flutter Engineer with experience building scalable cross-platform systems across aviation, fintech, logistics, and e-commerce domains. Focused on Clean Architecture, modularization, performance optimization, and maintainable mobile ecosystems serving real-world production workloads.

Experienced in real-time systems, analytics-driven workflows, CI/CD automation, offline-first design, and enterprise-grade mobile delivery. Built and scaled applications supporting 100k+ users with strong emphasis on stability, responsiveness, and operational reliability.

Skilled in architecting long-term mobile solutions using Flutter, Riverpod, BLoC, and scalable engineering practices. Prioritizing maintainability, system clarity, and high-quality user experience while aligning technical decisions with business impact and product scalability.

Bachelor of Design in Interior Design

Rashtriya Vishwa Vidyapeeth University

Developed strong foundations in spatial design, visual hierarchy, and human-centered problem solving through interior design principles and structured design methodologies. This design-oriented background continues to influence modern UI thinking, user experience decisions, interface composition, and detail-focused product engineering.

Maharashtra, India
2013 - 2016
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Skills & Technologies

BUILDING HIGH-PERFORMANCE MOBILE SYSTEMS WITH A FOCUS ON SCALABILITY, ARCHITECTURE, AND PRODUCTION RELIABILITY.

Skills & Technologies

03_01/Cross-Platform07
FlutterDartResponsive UIAdaptive LayoutsPlatform ChannelsMaterial 3Cupertino
03_02/State Management06
RiverpodBLoCGetXProviderMVVMReactive Patterns
03_03/Architecture06
Clean ArchitectureModularizationMonoreposOffline-FirstScalable SystemsTDD
03_04/Backend Integration06
REST APIsWebSocketsFirebaseSupabaseOAuth 2.0Stripe
03_05/Local Storage05
SQLiteHiveSharedPreferencesCachingSecure Storage
03_06/DevOps & Delivery06
FastlaneGitHub ActionsJenkinsCI/CDCrashlyticsMixpanel
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Work Experience

A track record of delivering high-impact solutions across diverse technical landscapes.

Work Experience

Senior Flutter Engineer

UAS International Trip Support
Dubai, UAE · RemoteOct 2025 — Present

Leading the architecture and development of a large-scale aviation trip management platform focused on operational reliability, real-time coordination, and scalable mobile infrastructure. Architecting modular Flutter systems with Clean Architecture and monorepo strategies to support long-term maintainability across rapidly evolving business workflows.

Designed and implemented event-driven trip lifecycle systems using WebSockets and realtime synchronization workflows, improving operational responsiveness across flight operations and internal coordination processes. Collaborating closely with cross-functional teams to align engineering decisions with operational efficiency and product scalability.

Driving analytics-focused product optimization using Firebase Analytics, Mixpanel, and structured observability workflows to improve user experience, release stability, and production monitoring across enterprise-grade mobile deployments.

FlutterDartRiverpodClean ArchitectureWebSocketsRealtime SystemsFirebaseMixpanelMonoreposCI/CDScalable SystemsProduction Architecture
01

Senior Flutter Developer

SnapWork Technologies
Mumbai, India · RemoteApr 2025 — Oct 2025

Engineered enterprise-grade HRMS and internal recruitment platforms for Axis Bank using FlutterFlow with extensible architecture patterns and custom Dart integrations. Structured scalable role-based workflows supporting employees, managers, HR partners, and administrative operations within a unified ecosystem.

Extended FlutterFlow capabilities through reusable engineering abstractions, custom business logic layers, and maintainable state-driven workflows to bridge low-code development with production-grade engineering standards.

Collaborated across product and business teams to optimize development velocity, maintain architecture consistency, and ensure scalable delivery practices aligned with enterprise operational requirements.

FlutterFlowFlutterDartEnterprise SystemsState ManagementREST APIsRole-Based AccessArchitecture DesignReusable ComponentsScalable WorkflowsFirebaseProduction Delivery
02

Software Engineer III

Techblue Software Private Limited
Gurgaon, India · RemoteNov 2023 — Mar 2025

Architected and scaled a cross-platform PropTech ecosystem focused on modular feature delivery, realtime workflows, and long-term maintainability across production mobile systems. Led technical implementation initiatives using Flutter and Clean Architecture while collaborating with cross-functional stakeholders on scalable engineering decisions.

Defined state management standards using BLoC and Provider, introduced structured testing strategies, and improved codebase maintainability through scalable architecture patterns and engineering best practices.

Optimized application performance, deployment workflows, and release operations using CI/CD pipelines, collaborative engineering processes, and proactive performance monitoring to improve delivery efficiency and production stability.

FlutterBLoCProviderClean ArchitectureCI/CDJenkinsRealtime WorkflowsREST APIsSupabaseFirebaseTesting StrategyPerformance Optimization
03

Flutter Developer

Brainium Information Technologies
Kolkata, India · RemoteJul 2022 — Nov 2023

Delivered and maintained multiple cross-platform mobile applications across healthcare, logistics, e-commerce, and service-based industries using Flutter and scalable mobile engineering practices. Contributed to full application lifecycles including architecture planning, API integrations, deployment, and production optimization.

Implemented realtime features, offline-first workflows, reusable UI systems, and optimized state management solutions using GetX to improve scalability, maintainability, and user experience consistency across projects.

Actively collaborated with design, QA, and backend teams while mentoring junior developers and contributing to internal engineering standards, reusable component systems, and delivery quality improvements.

FlutterGetXREST APIsFirebaseGoogle MapsOffline-FirstRealtime FeaturesReusable ComponentsApp Store DeploymentPlay Store DeploymentResponsive UITeam Collaboration
04

Junior Developer

Zoom Enterprises
Mumbai, India · On-SiteFeb 2021 — Jul 2022

Contributed to the development and migration of cross-platform mobile applications with strong focus on scalable UI foundations, API integration workflows, and maintainable frontend architecture practices.

Worked closely with senior engineers to improve application structure, optimize reusable components, and establish robust development workflows using MVC and MVVM architectural approaches.

Built foundational expertise in mobile engineering, debugging workflows, testing practices, and collaborative software delivery while supporting multiple production-focused application initiatives.

FlutterDartMVCMVVMREST APIsUI DevelopmentReusable ComponentsDebuggingTestingGitAgileMobile Engineering
05
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Projects

PRODUCTION MOBILE APPLICATIONS ENGINEERED FOR SCALABILITY, PERFORMANCE, AND REAL-WORLD USER WORKFLOWS.

Projects

[ mobile-01 ]
PROJECT_01 / Aviation

UAS GTMx

A production-grade aviation trip management platform enabling flight departments to manage scheduling, live operations, fleet coordination, and trip intelligence from a unified mobile ecosystem.

Real-time mission visibilityUnified trip lifecycle workflowCentralized operational coordination
FlutterDartClean ArchitectureRiverpodFirebaseMixpanelWebSocketsREST APIsCI/CDRealtime SystemsEnterprise Mobility
[ mobile-02 ]
PROJECT_02 / PropTech

Rentr

A modern property management platform built for landlords and tenants, enabling listing management, communication workflows, compliance tracking, and rental operations from a unified mobile application.

Multi-property management workflowsTenant communication systemsIntegrated listing operations
FlutterFirebaseSupabaseBLoCREST APIsStripeCI/CDProperty ManagementCross-PlatformAgile
[ mobile-03 ]
PROJECT_03 / Communication

Translangua

An on-demand interpretation platform supporting realtime voice and video communication between customers and interpreters with subscription-based service access.

Realtime voice and video communicationMulti-language interpretation workflowsSubscription-based architecture
FlutterFirebaseStripeRealtime CallsVideo StreamingVoice CommunicationSubscriptionsREST APIsCross-Platform
[ mobile-04 ]
PROJECT_04 / Logistics

Camio

A logistics and freight management platform enabling truck owners and shippers to coordinate cargo requests, trip operations, live tracking, and delivery workflows.

Realtime vehicle trackingFleet and logistics workflowsIn-app operational communication
FlutterGoogle MapsFirebaseRealtime TrackingREST APIsLocation ServicesLogisticsPush NotificationsCross-Platform
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Certifications

PROFESSIONAL VALIDATION ACROSS MOBILE ENGINEERING, APPLICATION ARCHITECTURE, AND SCALABLE DELIVERY WORKFLOWS.

Certificates

Aspire Journeys: Mobile Development

Skillsoft
Jul 2024
flutterfirebasedart

Atlassian Agile Project Management Professional Certificate

Atlassian
Feb 2024
agilescrumproject-delivery

Docker Foundations Professional Certificate

Docker, Inc
Feb 2024
dockercontainersdevops
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Core Services

SPECIALIZED MOBILE ENGINEERING SERVICES FOCUSED ON PERFORMANCE, SCALABILITY, AND PRODUCTION-READY DELIVERY.

Services

07_01

Cross-Platform Development

Building scalable Flutter applications for iOS and Android with production-grade architecture, responsive UI systems, and maintainable codebases optimized for long-term growth.

FlutterDartResponsive UI
07_02

Mobile Architecture

Designing modular mobile systems using Clean Architecture, scalable state management, and structured engineering workflows focused on maintainability and release stability.

Clean ArchitectureRiverpodScalable Systems
07_03

Realtime Systems

Implementing realtime communication workflows, operational synchronization, and event-driven mobile experiences optimized for high responsiveness and reliability.

WebSocketsRealtimeFirebase
07_04

App Deployment & CI/CD

Managing complete mobile delivery pipelines including automated builds, release workflows, crash monitoring, and production deployment optimization.

FastlaneCI/CDCrashlytics
07_05

Analytics & Monitoring

Integrating analytics and observability systems to improve user experience, operational visibility, release confidence, and data-driven product decisions.

MixpanelAnalyticsMonitoring
07_06

Production Optimization

Optimizing mobile systems for performance, scalability, offline reliability, and crash-free production usage across large-scale application ecosystems.

PerformanceOffline-FirstOptimization
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Open to collaborations and interesting projects.

// 2026 Zeeshan Khan. All rights reserved.Designed & Built with precision