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Ujjwal Singh

Open to work2 years experience

Software Development Engineer

Punjab, IndiaTarget Roles: Backend Engineer • Full-Stack Developer • Frontend Specialist

Software Development Engineer at Roundglass H20.

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Standing Rank

Rank Not Available

Developer Badges

Badges Pending

Skills & Technologies

34 skills
c++sqles query dsljavascripthtmlreact.jsreduxcssbootstraptailwind cssnode.jskoa.jsmongodbmongoosemysqlsocket.iorediselasticsearchawsrdsec2s3cloudinarydockerjenkinsgitbitbucketpostmankibanaelasticvuemixpanelbrazepythonpandas

Work Experience

Software Development Engineer

Roundglass H20

Aug 2024 - Present Mohali, Punjab
  • Improved backend performance and scalability by offloading asynchronous workloads (cron jobs, background tasks) to worker threads. Optimized SQL queries and redesigned database schemas, reducing API latency by 30%.
  • Built a multilingual content delivery pipeline by integrating a CMS and generating static content artifacts. Published assets to cloud storage for efficient delivery to web and mobile clients, using webhooks for post-publish processing.
  • Implemented domain-level Two-Factor Authentication (2FA) using OTP-based login flows and integrated a pub-sub messaging architecture with a centralized notification system.
  • Designed and implemented a scalable multi-tenant backend for a School Portal serving 60+ institutions, enabling real-time tracking of content progress and educator performance.
  • Developed webinar management functionality with end-to-end REST APIs and integrated analytics and engagement pipelines, using Mixpanel for user tracking and Braze for automated campaigns.

Software Engineer Intern

Airtel

Jun 2023 - Jul 2023 Bihar, India
  • Automated employee data processing and analysis using Python and Pandas, extracting actionable insights from organizational emails and performance datasets.
  • Designed and implemented a hierarchical performance evaluation model across managerial, district, and town levels to analyze team productivity and regional efficiency.

Projects

Let Us Collab

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MERNRedisSocket.IOAWSNginxTailwind CSS
  • Developed a scalable real-time collaboration platform enabling professionals across domains to connect, share ideas, and collaborate on projects using a distributed backend architecture.
  • Architected low-latency real-time data pipelines using Redis (Bloom Filters) and Socket.IO to support personalized content delivery and live collaboration.
  • Implemented secure authentication and authorization using Google OAuth 2.0, Passport.js, and JWT, and deployed the application on AWS with Nginx.

Leaderboard Standings

Leaderboard Position Pending

Global test scores, peer standing percentiles, and algorithm leaderboard ranks are updated dynamically.

Assessment Highlights

Assessments Not Completed

Coding evaluations, system assessment results, and conceptual score badges will appear here after taking a test.

AI Collaboration Score

AI Collaboration Score Pending

Developer coding behavior, assistant cooperation, and AI pair-programming indicators are evaluated during live coding sessions.

Role Compatibility Profile

Role Compatibility Analysis Pending

Custom matching reports, candidate role compatibility percentiles, and core engineer strength profiles are processed once conceptual code screenings are complete.

Achievements

Google Kickstart 2022 Round E

Secured an All India Rank (AIR) 784 in Google Kickstart 2022 Round E among 17,000+ participants.

Codeforces Specialist

Ranked Specialist (Rating: 1430) on Codeforces.

LeetCode Knight

Attained a maximum rating of 1932 (Knight) on LeetCode.

AtCoder 6 Kyu

Reached a top rating of 865 (6 Kyu) on AtCoder.

About Details

Professional Bio

Software Development Engineer with expertise in backend systems, scalable architecture, and full-stack development. Experienced in optimizing database performance, implementing secure authentication, and building real-time data pipelines.

Bachelor of Technology in Information Technology

National Institute of Technology Jalandhar (2020 - 2024)

Languages: English, Hindi
Email: Locked