Hi, I'mPrakhar Sethi
Principal Software Engineer - 2
Building scalable distributed systems serving 3M+ users with 9+ years of engineering excellence
Principal Software Engineer - 2 at PlaySimple (acquired by Modern Times Group (MTG) for $360M in 2021) with 9+ years of experience building scalable mobile applications. Led teams delivering products with $100K+ combined daily revenue, architected systems serving 3M+ daily active users, and mentored 15+ engineers across multiple successful product launches. Expert in Unity, C#, Golang, and high-performance distributed systems with a proven track record of technical leadership and innovation.
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Professional Experience
9+ years of building scalable mobile games and leading engineering teams at PlaySimple
Principal Software Engineer - 2
Leading engineering teams across 2 successful mobile applications with combined $50k+ daily revenue and 400k+ DAU. Building modular component architecture that promotes reusability between products, reducing development time by 30% while maintaining 99.5% system reliability targets.
Technologies & Tools
Key Achievements
- Leading teams for Tile Match ($50k daily revenue, 400k DAU) and Tile Empire with 99.5% system reliability targets
- Built modular component architecture reducing development time by 30% while maintaining enterprise-grade reliability
- Pioneered AI-enhanced development operations through Cursor IDE integration and context engineering, improving team efficiency by 30% and code accuracy to 90%
- Mentoring technical artists and developers while collaborating with senior leadership on strategic planning
Principal Software Engineer - 1
Architected and built enterprise-grade authentication system serving 3M+ daily active users across entire PlaySimple ecosystem. Led strategic product development including Destination Solitaire and managed critical recovery operations for WordWars.
Technologies & Tools
Key Achievements
- Built scalable authentication system serving 3M+ daily active users with 99.9% uptime using Golang and ScyllaDB
- Led WordWars crisis recovery, improving system stability from 97% to 99.3% within one month
- Designed and developed Destination Solitaire from conception, leading 5-developer team for 2+ years
Senior Software Engineer
Technical lead for WordWars, achieving remarkable success with $70K peak daily revenue. Led team of 4 developers while building sophisticated AI systems and real-time multiplayer infrastructure supporting thousands of concurrent users.
Technologies & Tools
Key Achievements
- Led WordWars as technical lead, achieving $70K peak daily revenue with millions of active users
- Built AI-based adaptive adversary system using Branch and Bound algorithms with memory-optimized Trie structures
- Achieved 50% reduction in application load times through comprehensive memory optimizations and performance tuning
Software Engineer
Spearheaded Daily Themed Crossword development and multi-platform launch. Guided team of 3 developers in feature development and release management while creating innovative content generation systems.
Technologies & Tools
Key Achievements
- Spearheaded Daily Themed Crossword development and successful multi-platform launch on iOS and Android
- Created innovative crossword grid generator algorithm, reducing content creation time by 10%
- Promoted to Senior Software Engineer within 6 months due to exceptional technical performance and leadership
Associate Software Engineer
Started professional career in mobile application development. Contributed to Jungle Rumble development while building foundational backend systems and establishing expertise in development technologies and cross-functional collaboration.
Technologies & Tools
Key Achievements
- Successfully contributed to Jungle Rumble game development using Cocos2d-JS engine and modern web technologies
- Developed level-based leaderboard system using Golang, Redis, and MongoDB with real-time updates
- Promoted to Software Engineer within 6 months, recognizing exceptional performance and rapid learning
Featured Projects
Innovative mobile games and technical solutions that have reached millions of users
Tile Match & Tile Empire
Leading concurrent mobile applications generating $50k combined daily revenue with 400k DAU and 99.5% system reliability
Leading engineering teams for Tile Match and Tile Empire as Principal Software Engineer - 2. These mobile applications generate $50k combined daily revenue while maintaining 99.5% reliability across 400k daily active users. Built innovative modular architecture enabling 30% faster development cycles and established new engineering standards for cross-application reusability.
Technologies
Key Features
- Modular component architecture enabling 30% faster development across titles
- High-performance rendering system achieving consistent 75 FPS on all device tiers
- Advanced load time optimization resulting in 5-second startup times
Business Impact
$50k combined daily revenue ($11M+ annual run rate) with 400k daily active users, maintaining 99.5% system reliability and setting new performance benchmarks across the platform
PS ID Authentication
Scalable authentication system serving 3M+ daily active users across entire PlaySimple ecosystem with 99.9% uptime
Architected enterprise-grade authentication system serving 3M+ daily users across the entire platform ecosystem. Built with Golang and ScyllaDB, achieving 99.9% uptime while handling massive scale with enterprise security standards. Successfully migrated from AWS to DigitalOcean, optimizing costs while maintaining performance and enabling unified user experiences across all products.
Technologies
Key Features
- Scalable microservices architecture handling 3M+ daily authentication requests
- Multi-application authentication and authorization with unified user profiles
- 99.9% uptime with enterprise-grade reliability and disaster recovery
Business Impact
Enables seamless authentication for 3M+ daily active users across entire platform portfolio, reducing authentication latency by 60% and supporting enterprise-scale infrastructure serving millions
Destination Solitaire
Travel-themed solitaire game built from conception, leading 5-developer team for 2+ years with innovative progression systems
Designed and developed Destination Solitaire from conception, leading a 5-developer team for 2+ years. This travel-themed card application combines traditional gameplay with progression mechanics, featuring cross-platform architecture and sophisticated collection systems driving long-term user engagement across iOS and Android platforms.
Technologies
Key Features
- Innovative travel-themed progression system with 200+ global destinations
- Cross-platform synchronization ensuring seamless experience across iOS and Android
- Sophisticated stamp collection and achievement systems driving player retention
Business Impact
Successfully launched and maintained for 2+ years with consistent user engagement, 4.5+ star App Store ratings, and strong retention metrics contributing to the company's product portfolio growth
WordWars
Multiplayer word game achieving $70K peak daily revenue with sophisticated AI and real-time PvP systems supporting thousands of concurrent users
Led technical development of WordWars, transforming it into the platform's most successful word application with $70K peak daily revenue. Built sophisticated AI-based adversary system using Branch and Bound algorithms with memory-optimized Trie structures. Features real-time PvP communication supporting thousands of concurrent users, establishing new standards for multiplayer experiences.
Technologies
Key Features
- AI-based adaptive adversary system using advanced Branch and Bound algorithms for optimal word finding
- Memory-optimized Trie structures enabling lightning-fast word validation and scoring
- Real-time PvP communication and chat systems supporting thousands of concurrent users
Business Impact
$70K peak daily revenue ($25M+ annual run rate) establishing platform dominance in the multiplayer word application category, serving millions of users worldwide with enterprise-grade reliability
Daily Themed Crossword
Multi-platform crossword game with innovative automated content generation reducing creation time by 10% and successful global launch
Spearheaded Daily Themed Crossword development and multi-platform launch, guiding a team of 3 developers. Created innovative crossword grid generator reducing content creation time by 10%, along with robust data replication tools ensuring safe content transfer across all platform products. Features daily themed content across multiple categories including Movies, Sports, Technology, and History.
Technologies
Key Features
- Automated crossword grid generation algorithm reducing manual content creation by 10%
- Daily themed content across diverse categories including Movies, Sports, Technology, and History
- Cross-platform synchronization ensuring seamless progression across iOS and Android
Business Impact
Successful multi-platform launch with strong user adoption, 10% improvement in content creation efficiency, and positive market reception establishing strong presence in the crossword application category
Automatic Text Summarization Research
IEEE-published research on NLP-based text summarization using lexical chains and advanced scoring techniques
Academic research project during final year at VNIT Nagpur focused on 'Automatic Text Summarization of News Articles' using Natural Language Processing techniques. Published in IEEE, this research overcame traditional semantic interpretation limitations by creating summaries using topic progression derived from lexical chains. Implemented innovative pronoun resolution and new scoring techniques that significantly improved summarization accuracy and relevance.
Technologies
Key Features
- Advanced lexical chain analysis for topic progression identification
- Innovative pronoun resolution techniques improving text coherence
- Novel scoring mechanisms for sentence importance ranking
Business Impact
IEEE publication demonstrating research excellence and early expertise in AI/ML, contributing to academic knowledge in NLP and establishing foundation for current AI/ML learning initiatives
15M+
Total Downloads
$85M+
Revenue Generated
99.9%
System Uptime
Skills & Technologies
A comprehensive toolkit built over 9+ years of mobile game development and engineering leadership
Programming & Frameworks
System Architecture & Design
Data & Infrastructure
Performance & Quality
Leadership & Development
Core Technology Stack
Unity
Game Engine
C#
Client
Golang
Backend
ScyllaDB
Database
Let's Connect
Always interested in discussing new opportunities, technical challenges, or innovative projects in mobile gaming and beyond.
Location
Bengaluru, Karnataka, India
Ready to collaborate?
Whether you're looking for a technical leader, want to discuss mobile gaming architecture, or explore new opportunities, I'd love to hear from you.