Looks like you have JavaScript disabled. For the full Twine experience, you will need to re-enable it.

Hi, I'm Vishal Antal, a senior Flutter and Android engineer with 8+ years delivering 15+ high-impact production apps across fintech, social, real-time media, and e-commerce. I specialize in Clean Architecture, offline-first systems, and real-time communication, driving Agile delivery and cross-functional collaboration. I accelerate delivery with AI-native workflows and lead technical roadmaps, mentoring teams to ship robust mobile platforms. I'm immediately available for full-time, contract, remote, or hybrid roles, open to relocation. I enjoy building maintainable DX through reusable components, architecture ADRs, and data-driven improvements that boost performance, stability, and user engagement.…Hi, I'm Vishal Antal, a senior Flutter and Android engineer with 8+ years delivering 15+ high-impact production apps across fintech, social, real-time media, and e-commerce. I specialize in Clean Architecture, offline-first systems, and real-time communication, driving Agile delivery and cross-functional collaboration. I accelerate delivery with AI-native workflows and lead technical roadmaps, mentoring teams to ship robust mobile platforms. I'm immediately available for full-time, contract, remote, or hybrid roles, open to relocation. I enjoy building maintainable DX through reusable components, architecture ADRs, and data-driven improvements that boost performance, stability, and user engagement.

VISHAL ANTAL

App Developer, Full Stack Developer, Front-End Developer, +3





Hi, I'm Vishal Antal, a senior Flutter and Android engineer with 8+ years delivering 15+ high-impact production apps across fintech, social, real-time media, and e-commerce. I specialize in Clean Architecture, offline-first systems, and real-time communication, driving Agile delivery and cross-functional collaboration. I accelerate delivery with AI-native workflows and lead technical roadmaps, mentoring teams to ship robust mobile platforms. I'm immediately available for full-time, contract, remote, or hybrid roles, open to relocation. I enjoy building maintainable DX through reusable components, architecture ADRs, and data-driven improvements that boost performance, stability, and user engagement.…Hi, I'm Vishal Antal, a senior Flutter and Android engineer with 8+ years delivering 15+ high-impact production apps across fintech, social, real-time media, and e-commerce. I specialize in Clean Architecture, offline-first systems, and real-time communication, driving Agile delivery and cross-functional collaboration. I accelerate delivery with AI-native workflows and lead technical roadmaps, mentoring teams to ship robust mobile platforms. I'm immediately available for full-time, contract, remote, or hybrid roles, open to relocation. I enjoy building maintainable DX through reusable components, architecture ADRs, and data-driven improvements that boost performance, stability, and user engagement.

Available to hire

Hi, I’m Vishal Antal, a senior Flutter and Android engineer with 8+ years delivering 15+ high-impact production apps across fintech, social, real-time media, and e-commerce. I specialize in Clean Architecture, offline-first systems, and real-time communication, driving Agile delivery and cross-functional collaboration. I accelerate delivery with AI-native workflows and lead technical roadmaps, mentoring teams to ship robust mobile platforms.

I’m immediately available for full-time, contract, remote, or hybrid roles, open to relocation. I enjoy building maintainable DX through reusable components, architecture ADRs, and data-driven improvements that boost performance, stability, and user engagement.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Language

English

Fluent

Hindi

Fluent

Work Experience

Junior Android Developer at Dharmani Apps

March 1, 2018 - March 1, 2020

Contributed to multiple Android projects using Kotlin/Java, implemented feature enhancements, and collaborated with cross-functional teams to deliver stable releases. Participated in code reviews, wrote unit tests, and supported performance improvements across devices.

Associate Android and Flutter Developer at Master Info Tech

June 1, 2020 - June 1, 2022

Developed Android and Flutter modules for production apps, implemented responsive UI, integrated RESTful services, and contributed to architectural decisions. Improved build and release pipelines and mentored junior developers.

Senior Flutter Developer & Team Leader

June 1, 2022 - October 1, 2023

Led a team of five developers; architected Flutter cross-platform modules; implemented camera-based document capture, live checks, form validation, and resilient backends with retry mechanisms. Launched the full KYC journey in under 3 weeks with ~99.9% transaction success. Established CI/CD pipelines and performance optimizations.

Founding Mobile Engineer at Misfits

November 1, 2023 - Present

Agile delivery: Ran 2-week sprints with daily stand-ups, story-point estimation, and sprint retrospectives; feature-flag rollouts enabled zero-downtime staged releases to 10K+ users. Real-time chat: UUID-dedup + exponential backoff connection-pool manager reduced WebSocket drops in 100+ participant chats; latency 3–5s → <500ms; churn 22% → 8%. Story-playback engine: Isolate-based pre-decode + FFmpeg adaptive quality and predictive prefetch; load time 1.8s → 320ms; offline-first architecture with Hive cache; accessibility improvements across screens.

Senior Flutter Developer & Team Lead at Master Infotech

June 1, 2022 - October 1, 2023

Led a 5-engineer team across 6 production apps in fintech, ride-sharing, stock trading, e-commerce, and food delivery. Architected offline-first data layer (SQLite sync with conflict resolution) and KYC loan origination flow; launched within 3 weeks at 99.9% success. Replaced REST polling with OkHttp WebSocket + client-side orderbook diff engine; feed latency <80ms; DAU +45%. Implemented Razorpay end-to-end payments across products (UPI, subscriptions, auto-refund, webhooks) with 99.9% success. Built 30+ shared UI components; established PR reviews and DoD; improved test coverage from ~10% to 60%+.

Senior App Developer at Dharmani Apps

March 1, 2020 - June 1, 2022

TikTok-style live streaming platform. Scaled to 10K+ concurrent viewers with Agora RTC; CDN geo-routing; HLS fallback; abandonment 38%→6%; latency <2s; bandwidth cost −30%. Video feed: 60fps on mid-range devices via OpenGL ES; 6 0fps sustained; 34% increase in avg session length. Flutter migration: Kotlin Android → Flutter; unified 2 codebases to 1; feature delivery time −50%.

Junior Android Developer at ABS Systems

March 1, 2018 - March 1, 2020

OOM crash rate 4.2% → 0.1% on <2GB RAM devices; 50K+ downloads. Native performance: Android NDK (C++) image processing — filter time 120ms → 18ms (6.6× speedup). Delivered 4 production apps across e-commerce, logistics, field-force, and service booking.