Sumit Roy

Contact details — on requestProof of Work — on request

Experience

Senior Flutter Developer

OiO Softwares · Mar 2025 – Present

Not yet confirmed

Spearhead end-to-end cross-platform mobile application development blueprints and orchestrate full release distribution pipelines for 5+ production apps on Google Play Store and Apple App Store.
Architect production-ready build configurations, semantic versioning guidelines, and code-signing environments, achieving a 99.9% crash-free rate across releases.
Drive product-wide technical architecture decisions and maintain clean, modular, and testable codebases using the Bloc state management pattern to improve code reusability by 40%.

Development Lead

AIIMS Delhi - Computer Facilities (via Velocis Systems Pvt. Ltd.) · Feb 2024 – Jan 2025

Not yet confirmed

Designed, programmed, and deployed highly resilient mobile health infrastructure systems serving thousands of active users, matching strict operational and performance parameters.
Engineered local data persistence layers using SQLite, establishing offline-first synchronization capabilities that reduced data sync latency by 35% while maintaining compliance rules.
Enforced high-security structural compliance rules across transactional workflows to completely safeguard sensitive enterprise health data records.
Guided a cross-functional team of 6 developers and QA engineers to synchronize system-testing schedules, mitigating integration bottlenecks and accelerating project delivery cycles by 20%.

Mobile Application Developer

Zadley India Pvt. Ltd. · Jun 2023 – Feb 2024

Not yet confirmed

Constructed and maintained robust B2B Enterprise Resource Planning (ERP) mobile structures, handling high-volume localized application state using Flutter to increase operational efficiency by 25%.
Collaborated on design system specifications and engineered 15+ high-fidelity interface enhancements alongside core application modules.

Mobile Application Developer

Mobiloitte Technologies Pvt. Ltd. · Dec 2022 – Jun 2023

Not yet confirmed

Programmed fully fluid, native-behaving interface views across iOS and Android ecosystems leveraging single-codebase Flutter infrastructures across 4 major client accounts.
Acquired comprehensive system development lifecycle exposure across a diverse array of enterprise client requirements.

Skills 0 proven through work

Also works with

On-time DeliveryDatabase Data Entry and UploadData ExportData Synchronization Pipeline DesignDatabase ManagementInventory Management System DevelopmentOffline Application DevelopmentERP Platform DevelopmentApplication MaintenanceApplication DeploymentSoftware Quality AssuranceSoftware Development PracticesPush Notification ImplementationWebSocket ImplementationBackend DevelopmentAPI IntegrationMVVM ArchitectureMVC Architecture ImplementationVideo Streaming ImplementationMobile Application Development

Proof of Work

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Education

MBA, Information Technology

Amity University Online · 2025 — 2027

B.Tech, Computer Science & Engineering

Bharat Institute of Technology, Meerut (AKTU) · 2019 — 2023

Contact details

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