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kartikay Sambher

SWE @Q3 Technologies || Ex SWE intern @Aviara Labs || NITH’25

Una

3+ years of work experience

Q3 Technologies
Sep 20251 yrPresent

Gurugram, Haryana, India

Designed and deployed scalable AWS backend systems using Lambda, API Gateway, DynamoDB, S3, and CloudWatch to power event-driven data pipelines. Identified and resolved UI/UX and rendering bugs in React.js applications, reducing user-reported issues by 35% and improving overall product stability. Collaborated with senior engineers to optimize serverless workflows, improving system reliability and reducing API response latency.
Zulip
Sep 20241 yr 11 mosJul 2026

Authored 9+ pull requests (7 merged) to Zulip’s 180,000+ line production codebase, improving frontend reliability and user experience. Implemented a warning banner in the message compose area alerting users to group mentions with zero active subscribers, preventing unintentional notifications. Enhanced desktop notification settings UI with conditional rendering based on real-time browser permission state, improving UX clarity.
RiDiv Technologies PVT LTD
Jan 20245 mosMay 2024

Remote

RiDiv Technologies PVT LTD
Jan 20244 mosApr 2024

Engineered and deployed 3+ admin panels using React.js and Zustand, reducing page load latency by 20% and improving application uptime by 40%. Integrated AWS S3 and CloudFront CDN to streamline deployment pipelines and optimize static asset delivery performance. Debugged and resolved 20+ critical bugs across multiple projects, decreasing customer-reported issues by 25% and improving system reliability by 40%.
Team Vibhav
Aug 202310 mosMay 2024

On-site

Team Vibhav
Dec 20229 mosAug 2023

Hamirpur, Himachal Pradesh, India

GitHub
@kartikay5849
LeetCode
@kartikay5849

kartikay’s AI Stack

antigravity
antigravity
claude
claude
openai
openai

Education

National Institute of Technology Hamirpur-Alumni

Bachelor of Technology, Electrical and Electronics Engineering

National Institute of Technology Hamirpur-Alumni

20214 yrs2025

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kartikay Sambher on Tal

Headline

SWE @Q3 Technologies || Ex SWE intern @Aviara Labs || NITH’25

About

👋 Hi, I'm Kartikay, a student at NIT Hamirpur with a passion for full-stack development! 🚀 Skilled in the MERN stack (MongoDB, Express.js, React, Node.js). Always on the lookout for exciting collaborative project ideas. 💡 Enthusiastic about participating in hackathons to solve real-world problems. 📚 Constantly learning and exploring new technologies. Let's connect and build something amazing together! 💻✨

Location

Una

AI stack

antigravity

claude

openai

Work experience

Junior Software Engineer at Q3 Technologies, Sep 2025 - Present · 1 yr, Gurugram, Haryana, India, Designed and deployed scalable AWS backend systems using Lambda, API Gateway, DynamoDB, S3, and CloudWatch to power event-driven data pipelines. Identified and resolved UI/UX and rendering bugs in React.js applications, reducing user-reported issues by 35% and improving overall product stability. Collaborated with senior engineers to optimize serverless workflows, improving system reliability and reducing API response latency.

Contributor at Zulip, Sep 2024 - Jul 2026 · 1 yr 11 mos, Authored 9+ pull requests (7 merged) to Zulip’s 180,000+ line production codebase, improving frontend reliability and user experience. Implemented a warning banner in the message compose area alerting users to group mentions with zero active subscribers, preventing unintentional notifications. Enhanced desktop notification settings UI with conditional rendering based on real-time browser permission state, improving UX clarity.

SDE intern at RiDiv Technologies PVT LTD, Jan 2024 - May 2024 · 5 mos, Remote

Software Engineer Intern at RiDiv Technologies PVT LTD, Jan 2024 - Apr 2024 · 4 mos, Engineered and deployed 3+ admin panels using React.js and Zustand, reducing page load latency by 20% and improving application uptime by 40%. Integrated AWS S3 and CloudFront CDN to streamline deployment pipelines and optimize static asset delivery performance. Debugged and resolved 20+ critical bugs across multiple projects, decreasing customer-reported issues by 25% and improving system reliability by 40%.

Coordinator at Team Vibhav, Aug 2023 - May 2024 · 10 mos, On-site

Executive member at Team Vibhav, Dec 2022 - Aug 2023 · 9 mos, Hamirpur, Himachal Pradesh, India

Education

Bachelor of Technology, Electrical and Electronics Engineering, National Institute of Technology Hamirpur-Alumni

Public links

github: https://github.com/kartikay5849

leetcode: https://leetcode.com/kartikay5849

kartikay Sambher - Junior Software Engineer in Una | Tal