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

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.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
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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.

Education

B.Tech — Computer Science & Engineering at Swami Vivekanand Institute of Engineering & Technology, Punjab Technical University, Rajpura
January 1, 2014 - January 1, 2018
B.Tech in Computer Science & Engineering at Swami Vivekanand Institute of Engineering & Technology, Punjab Technical University, Rajpura
January 1, 2014 - January 1, 2018

Qualifications

Add your qualifications or awards here.

Industry Experience

Software & Internet, Computers & Electronics, Professional Services, Media & Entertainment, Financial Services, Retail, Transportation & Logistics