Manan Jain

Backend Engineer

Bengaluru, Karnataka, India8 mos experience

Most Likely To Switch

Key Highlights

Expert in competitive programming with top ratings.
Proven track record in backend development and system design.
Led impactful projects enhancing user engagement and retention.

Stackforce AI infers this person is a Backend-focused Software Engineer with experience in Gaming and E-commerce industries.

Contact

Skills

Core Skills

BackendSystems DesignSoftware Development

Other Skills

JavaScriptLLDHLDPostgreSQLAsynchronous ProcessingData ProcessingCRMFraud DetectionReal-time AlertsProgram ManagementCustomer EngagementJavaTypeScriptLow-Level DesignNode.js

About

From algorithms to applications — building technology that matters. Passionate Software Engineer with experience at Google (Intern) and currently at GamesKraft (Software Engineer). Skilled in backend development, distributed systems, and building high-performance solutions that enhance user experience. Strong foundation in algorithms and problem-solving, sharpened through competitive programming (Expert @Codeforces, 5⭐ @CodeChef, Guardian @LeetCode). Always eager to learn, adapt, and contribute to impactful projects that push the boundaries of technology.

Experience

Giva

Backend Software Engineer

Nov 2025 – Present · 4 mos · Bengaluru, Karnataka, India · On-site

Architected a PostgreSQL-backed asynchronous queue system to reliably process 15+ Shopify webhook events (orders, customers, fulfillment, logistics), significantly reducing webhook failures.
Designed and delivered a high-performance Batch User Data Enrichment Pipeline for CRM and calling dashboards by parallelizing multi-source queries, enabling 19 lifecycle-based customer segments with priority scoring.
Built a Post-Order Validation Engine with 6+ fraud checks across wallets, payment gateways, gift cards, and discount codes, triggering real-time Slack and email alerts.
Led the design and launch of a Jewellery Upgrade Program, collecting 1L+ jewellery items from 20K+ customers in the first week, with automated discount coupon generation and omnichannel notifications (Email, SMS, WhatsApp).

BackendJavaScriptSystems DesignLLDHLD

Gameskraft

2 roles

Software Engineer

Jul 2025 – Nov 2025 · 4 mos · Bengaluru, Karnataka, India · On-site

Built and scaled backend services using Node.js, Java Spring Boot, MySQL, Kafka, Redis, and REST APIs.
Enhanced the Lobby Service with configurable table slots, optimized slot structures, and improved table recommendation filters.
Integrated Vault for secure configuration management, automated Slack alerts, and built Grafana dashboards with improved StatsD metrics.

JavaJavaScriptTypeScriptSoftware DevelopmentLow-Level DesignBackend

Software Engineer Intern

Jan 2025 – Jun 2025 · 5 mos · Bengaluru, Karnataka, India · On-site

Designed and implemented a Game Tips system (Kill, Home, Miss Turns, Extra Time), driving higher player engagement and retention.
Developed event pipelines integrating Mixpanel, Clevertap, and Facebook Ads, enabling deeper gameplay analytics.
Implemented Facebook Ads attribution via Appsflyer + Kafka, enriching events with Click-ID and IP data, increasing Ad Relevance Score from 5.0 to 6.1+.

Google

SWE Intern

May 2024 – Jul 2024 · 2 mos · Bengaluru, Karnataka, India · On-site

Developed a CIDER code editor extension for Search Dev Studio, reducing browser–editor context switching.
Implemented a built-in preview panel using WebView with real-time refresh and dynamic URL generation.
Ensured secure iframe rendering by resolving CSP restrictions, permissions, and debugging complex security issues.