Abhishek Kumbhar
Sde Iii @Angel One
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WORK HISTORY
Sde Iii @Angel One
Mumbai, IN
Staff level IC ownership and impactOwned end-to-end mobile platform architecture across iOS and Flutter applications, spanning multiple business-critical modules and supporting ~1M active users.Architected and led complete replacement of legacy stock trading systems (STAR ETHIC replacement) from scratch, improving platform reliability, scalability, and long-term extensibility.Drove end-to-end MVP strategy, phased feature onboarding, and controlled rollout while ensuring backward compatibility and zero customer disruption during large-scale migration.Owned architecture and system-design decision-making for new modules, balancing performance, UX, security, and long-term platform evolution.Architected and delivered critical fintech journeys including KYC, Payments, Watchlists, Add/Withdraw Funds, and OCR-based onboarding.Owned API design and mobile security strategy, including tokenization and integration patterns, enabling secure connectivity between mobile platforms and distributed backend systems.Designed and delivered a reusable Payment SDK powering 3+ internal applications, streamlining UPI, KYC, and payment gateway integrations and reducing release effort by ~50%.Led Flutter-based KYC module integration and replaced heavy components with an optimized WebView-based architecture, improving app size, performance, and cross-platform compatibility.Mentored iOS, Flutter, and Android engineers through system design sessions, architecture reviews, and platform standards.Improved app launch performance and overall production stability using Instruments, memory graph analysis, and profiling tools.Led cross-functional collaboration with Product, Design, QA, and Backend teams for roadmap alignment and delivery.
EDUCATION
Mumbai University Mumbai
Master's degree, Computer Engineering
Mumbai University Mumbai
Bachelor's degree, Computer Science
SKILLS
ABOUT ABHISHEK KUMBHAR
Staff Level Mobile Engineer | Module & Platform Architecture | iOS (Swift) & Flutter | Fintech Systems | Mobile App SystemsStaff-level Mobile Application Engineer with 13+ years of experience building and scaling secure, high-performance mobile applications across fintech and enterprise domains. I operate as a technical owner for complex mobile modules and platform components, taking responsibility for module-level architecture decisions, long-term maintainability, and delivery outcomes.In my current role, I lead and contribute as a Staff Level on large-scale iOS and Flutter applications serving ~1M users. My scope includes driving module architecture, planning and owning API design and contracts in collaboration with backend teams, and defining integration strategies that keep mobile systems scalable, secure, and resilient as product complexity grows.I regularly mentor junior and mid-level engineers and provide technical leadership through code reviews, design discussions, and hands-on problem solving. A key part of my role is helping teams reason about engineering trade-offs—performance vs. flexibility, native vs. cross-platform, SDK vs. feature integration, and app size vs. capability—while balancing short-term delivery with long-term system health.From a system design perspective, I focus on breaking down ambiguous problem statements into well-defined modules, responsibilities, and data flows. I apply core principles such as modularization, separation of concerns, scalability awareness, and failure handling to real-world mobile workflows including payments, KYC, onboarding, and funds management.Technically, I bring deep hands-on expertise in iOS (Swift), Flutter, MVVM, Clean and modular architectures, SDK development, and mobile security (OAuth2, JWT, biometrics). I’ve owned reusable Payment and KYC modules/SDKs, OCR-based workflows, driven performance optimization using profiling tools, and partnered closely with product, design, and backend stakeholders to deliver reliable, high-impact mobile solutions.I’m motivated by roles where I can own critical mobile modules, influence technical direction, mentor engineers, and solve complex system-level problems, while continuously improving engineering standards and developer productivity.Open to Staff / Lead Mobile Engineer opportunities where technical ownership, module-level architecture, and strong engineering judgment are valued.
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