Sanjoy Sardar

Software Engineer

Bengaluru, Karnataka, India9 yrs 7 mos experience

Most Likely To SwitchAI Enabled

Key Highlights

Led frontend architecture for Angel One super app.
Designed Svelte Design System improving UI consistency.
Reduced Ajio Lite page load time to under 4 seconds.

Stackforce AI infers this person is a FinTech and E-commerce Frontend Architect with strong leadership skills.

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Skills

Core Skills

Front-end DevelopmentTeam Leadership

Other Skills

Front-End DesignSvelteMicrofrontendsWeb PerformanceAWSAI-assisted DevelopmentsveltekitvitejsFinTechProblem SolvingAlgorithm DesignHTMLBootstrapRedux.jsWebpack

Experience

9 yrs 7 mos

Total Experience

2 yrs 7 mos

Average Tenure

5 yrs 4 mos

Current Experience

Angel one

Senior Software Engineer

Feb 2023 – Present · 3 yrs 4 mos · Bengaluru, Karnataka, India · Remote

Owned the Storefront frontend platform architecture, scaling 20+ modules across the Angel One super app using microfrontends.
Led delivery of business-critical journeys (core trading, FnO, MTF, PnL…), serving 1.6M + DAU.
Designed and scaled an in-house Svelte Design System, improving UI consistency and reducing multi-team delivery effort by ~30%.
Built shared frontend platform libraries (HTTP, logging, analytics, broadcast, payments), standardizing core capabilities and facilitating cross-team collaboration.
Led web performance initiatives driving significant page-load improvements and measurable engagement uplift.
Partnered with SRE on near zero-downtime deployments using ECS, CodeDeploy, Cloudflare CDN, S3, and service-worker caching.
Optimized containerized frontend workloads on AWS, reducing infrastructure costs by ~15%.
Drove AI-assisted development adoption (Cursor, Gemini) via custom IDE rules enforcing standards.

Team LeadershipFront-End DesignSvelteMicrofrontendsWeb PerformanceAWS+2

Disney+ hotstar

Senior Software Development Engineer

Feb 2021 – Present · 5 yrs 4 mos · Bengaluru, Karnataka, India

Core engineer & architect for the Identity Web Platform (authentication, onboarding, profiles, parental controls, device management); drove +9% Airtel activation uplift during IPL 2022.

Jio platforms limited

Senior Frontend Engineer (Ajio.com)

Mar 2019 – Feb 2021 · 1 yr 11 mos · Bangalore

Member of ajio frontend core team, built the Progressive Web App(Ajio Lite).
Reduce page load time from 18-20 seconds to less than 4sec
Contribution:
Mentoring new joinees to onboard them to product development.
Part of the hiring panel both for IIT/NIT graduates and experienced folks.
Took the initiative, led the setup for tooling for frontend.
Part of the architecture team in building the Ajio lite

Eleven internet services llp

Senior Frontend Developer

Feb 2018 – Mar 2019 · 1 yr 1 mo · Bengaluru, Karnataka, India

PubNinja is a publisher management services program having a Content Management System where content writers can write and submit content (articles, ideas, pitch) and editors can edit, preview, publish, and monetize traffic on the website.
Helium is a website builder for content publishing with dynamic themes for clients (https://meaww.com, factable.com, etc).
Contribution:
Independently started the web team and scale it to 5 members.

Zillious solutions

Technical Associate

Aug 2015 – Nov 2016 · 1 yr 3 mos · Delhi, India

Zillious is a B2B and B2E product based technology provider, building travel solutions(web and mobile) for corporates.
Design & development of Responsive UI for the desktop site as a team member.
Design and implement the internationalized version of the product to support user base in Middle East Market.