Nikhil Sahu — Lead IOS Developer

Award-winning Senior Software Engineer & Mobile Development Team Lead with 9+ years of experience delivering production-grade Flutter applications across fintech (₹12.2B+ processed), healthcare AI (100K+ downloads), and sports entertainment (millions of users). Led cross-functional teams of up to 25 members spanning frontend, backend, QA, DevOps, and design. Deep expertise in AI/ML integration (TensorFlow, Gemini, OpenAI), real-time systems (WebSockets), blockchain/Web3, and enterprise cloud architecture (GCP, AWS, Azure). What I bring to the table: → Flutter & Dart mastery (9+ years) with production apps across fintech, healthtech, edtech & sports → AI/ML integration — TensorFlow Lite, Gemini API, OpenAI, Claude, LangChain, custom ML pipelines → Team leadership — managed 25-member cross-functional teams with Agile/Scrum, sprint planning & code reviews → Cloud & DevOps — GCP (Vertex AI, Cloud Functions), AWS (SageMaker, Lambda), Azure (AI Services) → Real-time systems — WebSockets, Socket.IO, HLS/RTMP streaming for millions of concurrent users → Blockchain/Web3 — Solidity smart contracts, Ethereum, decentralized apps Key Achievements: ✅ AO Foundation AI (Switzerland) — Led 25-member team, 100K+ downloads, 10,000+ active users ✅ Altifi by Northern Arc — ₹12.2 Billion+ investments processed, 59,000+ users ✅ SportsBuzz — Real-time scores for millions during IPL/ICC World Cup, 4.5★ rating ✅ Multiple awards — Best Team Lead, Innovation Excellence, Star of the Year, Client Impact Certified: Google Cloud ML Engineer | AWS ML Specialty | Azure AI Engineer | Flutter Developer (AFD-200) | Certified ScrumMaster (CSM) Open to Senior Software Engineer, Mobile Development Lead, and Flutter Architect roles. Let's connect: nikhilsahuofficial05@gmail.com

Stackforce AI infers this person is a Fintech and Healthcare-focused Mobile Development Expert with strong real-time systems experience.

Location: Hyderabad, Telangana, India

Experience: 9 yrs 11 mos

Skills

Flutter
Ai/ml Integration
Fintech
Mobile Development
Real-time Systems
Cross-platform Development

Career Highlights

Led cross-functional teams of up to 25 members.
Achieved ₹12.2 billion in investments processed.
Developed real-time systems for millions of users.

Work Experience

NetSphere Global

Mobile Development Team Lead (3 yrs 8 mos)

WalkingTree Technologies

Senior Software Engineer (1 yr 8 mos)

SportsBUZZ

Software Engineer (3 yrs 8 mos)

ByteBonding Technologies

Flutter Developer (1 yr)

Education

Master of Technology (M.Tech) at CHANDIGARH UNIVERSITY

Bachelor of Technology (B.Tech) at CHANDIGARH UNIVERSITY

Nikhil Sahu

Lead IOS Developer

Hyderabad, Telangana, India9 yrs 11 mos experience

AI EnabledAI ML Practitioner

Key Highlights

Led cross-functional teams of up to 25 members.
Achieved ₹12.2 billion in investments processed.
Developed real-time systems for millions of users.

Stackforce AI infers this person is a Fintech and Healthcare-focused Mobile Development Expert with strong real-time systems experience.

Contact

Skills

Core Skills

FlutterAi/ml IntegrationFintechMobile DevelopmentReal-time SystemsCross-platform Development

Other Skills

DartTensorFlow LiteNode.jsFirebaseFirestoreCloud FunctionsFCMBLoCRiverpodGCPCleverTapWebSocketsSocket.IOHLS/RTMPExoPlayer

About

Experience

9 yrs 11 mos

Total Experience

2 yrs 6 mos

Average Tenure

Current Experience

Netsphere global

Mobile Development Team Lead

Jun 2022 – Feb 2026 · 3 yrs 8 mos · Mumbai, Maharashtra, India · Remote

Led end-to-end mobile development for AO Foundation AI — Switzerland-based AI-powered healthcare education platform | 100K+ Downloads | 10,000+ Active Users
→ Team Leadership (25 Members): Directed a cross-functional team of 25 engineers spanning Flutter frontend, Node.js backend, QA automation, DevOps, and UI/UX design. Managed sprint ceremonies, architecture reviews, code quality gates, and bi-weekly release milestones.
→ AI-Powered Personalized Learning: Architected and deployed TensorFlow Lite ML models delivering personalized medical education pathways for orthopedic students, improving engagement by 45% and knowledge retention scores by 30%.
→ Enterprise Architecture: Designed microservice-based Flutter + Node.js + Firebase architecture with Firestore, Cloud Functions, and FCM, achieving sub-200ms API response times and 99.5% uptime SLA.
→ Performance Engineering: Reduced app startup time by 40% and memory footprint by 25% through widget tree optimization, code splitting, lazy loading, image caching, and BLoC/Riverpod state management.
→ International Collaboration: Partnered directly with AO Foundation's medical professionals across Switzerland, Germany, and Austria to train AI models aligned with international orthopedic education standards.
Awards: Best Team Lead Award (2024) | Innovation Excellence Award (2023) | Client Appreciation Award — AO Foundation, Switzerland (2023)
Tech: Flutter, Dart, TensorFlow Lite, Node.js, Firebase, Firestore, Cloud Functions, FCM, BLoC, Riverpod, GCP

FlutterDartTensorFlow LiteNode.jsFirebaseFirestore+6

Walkingtree technologies

Senior Software Engineer

Nov 2020 – Jul 2022 · 1 yr 8 mos · Hyderabad, Telangana, India · On-site

Spearheaded fintech mobile development for Northern Arc Capital (Altifi) — 59,000+ Users | ₹12.2B+ Investments | Play Store & App Store
Built and scaled the Altifi investment application enabling retail investors to purchase bonds, IPOs, SGBs, and access loan products with integrated RFQ payment methods — platform facilitated over ₹12.2 billion in total investments across 59,000+ registered users.
Integrated CleverTap for behavioral analytics and Firebase + Apple Push Notifications, driving 25% improvement in user retention and 40% increase in daily active users.
Established fully automated build, test, and deployment pipelines (GitLab CI + GitHub Actions + Fastlane) for Android and iOS, reducing release cycles from 2 weeks to under 48 hours.
Designed and deployed Solidity-based smart contracts for secure payment transaction processing and KYC verification within the fintech ecosystem.
Awards: Star of the Year (2022) | Star of the Month (2x) | Client Impact Award — Northern Arc Capital | Best Code Quality Recognition

FlutterFirebaseCleverTapFintechMobile Development

Sportsbuzz

Software Engineer

Feb 2017 – Oct 2020 · 3 yrs 8 mos · Gurugram, Haryana, India · On-site

Built and scaled real-time sports entertainment platform serving millions of concurrent users during IPL, ICC World Cup & Premier League | 4.5★ Rating | Featured on Google Play
→ Real-Time Score Engine: Engineered WebSocket + Socket.IO based live score system handling 500K+ concurrent connections with sub-100ms latency during peak sporting events (IPL finals, World Cup matches).
→ Live Streaming Infrastructure: Implemented HLS/RTMP adaptive bitrate streaming supporting 1080p video delivery to 200K+ simultaneous viewers with <2s latency using ExoPlayer and custom buffering strategies.
→ Fantasy Sports Module: Developed real-time fantasy cricket/football platform with live leaderboards, instant score calculations, and dynamic team management — processing 50K+ team entries per match.
→ Performance at Scale: Optimized Flutter rendering pipeline for smooth 60fps scrolling through 10K+ data points, implemented efficient pagination, and reduced app crash rate to <0.1% across 500K+ monthly active users.
→ Push Notification System: Built intelligent notification engine delivering 2M+ targeted push notifications daily for match alerts, score updates, and breaking sports news with 35% open rate.
Awards: Star of the Year (2019) | Best Project Delivery (2018)
Tech: Flutter, Dart, WebSockets, Socket.IO, HLS/RTMP, ExoPlayer, Firebase, REST APIs, Node.js, Redis, PostgreSQL

FlutterDartWebSocketsSocket.IOHLS/RTMPExoPlayer+7

Bytebonding technologies

Flutter Developer

Jan 2016 – Jan 2017 · 1 yr · Jabalpur, Madhya Pradesh, India · On-site

Started as an intern and transitioned to full-time Flutter developer, building foundational mobile development skills while delivering production applications for local businesses and startups.
→ Cross-Platform Mobile Apps: Developed 5+ Flutter applications from scratch including e-commerce, social networking, and utility apps — all published to Google Play Store.
→ UI/UX Implementation: Translated Figma/Adobe XD designs into pixel-perfect Flutter interfaces with custom animations, responsive layouts, and Material Design compliance.
→ Backend Integration: Built RESTful API integrations with Node.js and Firebase backends, implementing authentication (OAuth 2.0, JWT), real-time database sync, and cloud storage.
→ State Management: Implemented Provider and BLoC patterns for scalable state management across multiple app modules, reducing code complexity by 30%.
→ Testing & CI/CD: Wrote unit tests, widget tests, and integration tests achieving 70%+ code coverage. Set up basic CI/CD pipelines with GitHub Actions for automated builds.
Tech: Flutter, Dart, Firebase, Node.js, REST APIs, Provider, BLoC, Git, GitHub Actions, Figma

FlutterDartFirebaseNode.jsREST APIsProvider+5