Systems 600K+ users run onshipped in just 2.8 years
14 systems shipped, 5000+ DSA problems solved, and 40,000+ engineers mentored. Everything is open in the lab.
Prince SinghChat with ArchitectFounder
WelcomeWelcome to the lab.
1700+ dayscoding streak
40,000+engineers mentored
28models in production
Flagship productsStandalone AI products, live and open to try. Each one has its own page with impact, engineering notes, stack and architecture.6 products125 key conceptsEnter Built at ProPeersAI systems designed and shipped in production at ProPeers, with their measured impact and full architecture.6 AI systems50 impact pointsEnter Major contributionsThe full set of major contributions: AI features, infrastructure, cost optimisation, APIs and payments.8 systems61 impact pointsEnter Company historyEvery company and role with the complete list of achievements, newest first.2 companies3 rolesEnter Fundamentals5000+ Problems Solved Across 10+ Platforms, with a 1700+ days daily streak.5000+ problems7 platformsEnter IntegrationsEvery language, framework, model, database and cloud tool in use, grouped by category.118 skills28 LLMsEnter
AI Lab6 live products
AI Architect You Can Talk ToServed as the flagship chat surface of a platform tested with 1000+ active users, processing 18,000+ AI queries from 12,000+ unique visitors and gathering 800+ detailed user feedback that drove 3 major product iterations to a 99% user satisfaction rate - all with no API keys required from users.800+ detailed user feedback38 technologiesOpen product Best vs Best AI Model ArenaProcessed 10M+ tokens through the parallel comparison engine during testing, letting users benchmark 12+ leading LLMs simultaneously on the same prompt with empirical, per-query evidence - first-token latency, full completion time, and answer quality measured side by side - and reducing model-evaluation time by ~80% versus tab-hopping between provider UIs and manually copy-pasting prompts.12+ leading LLMs simultaneously37 technologiesOpen product Real-Time Voice-to-Voice AIShipped a production voice-to-voice AI pipeline achieving sub-200ms end-to-end latency - browser audio capture → 16kHz PCM streaming → Azure STT → frontier LLM → Azure TTS → gapless playback - a real-time full-duplex loop that most teams never take beyond a hackathon demo, running live for every visitor with 24+ selectable models.24+ selectable models32 technologiesOpen product Your AI Peer ProgrammerDelivered a full production RAG pipeline in Go that fires up to 12 ChromaDB queries per user request (6 expanded query variants × 2 collections) with sub-200ms latency in fast search mode and 2-3 seconds end-to-end in full RAG mode - covering the complete path from query to streamed LLM answer.3,000+ LeetCode problems with full solutions32 technologiesOpen product ProductSuccessfully tested with 1000+ active users across all three phases, gathering 800+ detailed user feedback leading to 3 major iterations and achieving 99% user satisfaction rate.1000+ active users43 technologiesOpen product ProductAchieved 12,000+ unique visitors and processed 18,000+ AI queries within first 6 months, with 500+ positive user reviews and 4.8/5 average rating12,000+ unique visitors37 technologiesOpen product
AI Systems6 AI systems built in production at ProPeers
AI systemSuccessfully tested with 1000+ active users across all three phases, gathering 800+ detailed user feedback leading to 3 major iterations and achieving 99% user satisfaction rate.1000+ active users across all three phases36 technologiesRead the case Multi LLM & RAG OrchestratorAchieved 3x surge in roadmap completion velocity through adaptive personalization, difficulty-proficiency alignment, and progress-aware content customization3x surge in roadmap completion velocity13 technologiesRead the case AI systemAchieved ~99% code evaluation accuracy through AI-powered logical validation without relying on traditional compilers~99% code evaluation accuracy15 technologiesRead the case AI Peer Programming Assistant3x higher user engagement through personalized, context-aware interactions3x higher user engagement through personalized15 technologiesRead the case Intent-Based Intelligent Discovery EngineSingle search bar replacing 5 separate discovery flows for Roadmaps, DPs, Mentors, Webinars, and Bootcamps100+ roadmaps12 technologiesRead the case Code with AI Agent40% boost in engagement and retention40% boost in engagement and retention5 technologiesRead the case
Engineering Systems8 major contributions
₹222K → ₹185K/monthCut monthly cloud spend from ₹222K to ₹185K - a 17% reduction saving ₹37K every month (₹4.4L+ annualized) - with the optimization loop actively driving toward ₹150K/month (~32% total, ₹8.6L+ annualized run-rate), achieved through measured right-sizing rather than blanket cuts.10+ VMs in both directions13 technologiesRead the case Multi LLM & RAG OrchestratorAchieved 3x surge in roadmap completion velocity through adaptive personalization, difficulty-proficiency alignment, and progress-aware content customization3x surge in roadmap completion velocity13 technologiesRead the case Engineering systemAchieved ~99% code evaluation accuracy through AI-powered logical validation without relying on traditional compilers~99% code evaluation accuracy15 technologiesRead the case AI Peer Programming Assistant3x higher user engagement through personalized, context-aware interactions3x higher user engagement through personalized15 technologiesRead the case Intent-Based Intelligent Discovery EngineSingle search bar replacing 5 separate discovery flows for Roadmaps, DPs, Mentors, Webinars, and Bootcamps100+ roadmaps12 technologiesRead the case Code with AI Agent40% boost in engagement and retention40% boost in engagement and retention5 technologiesRead the case Scaling 150+ Microservices70% backend performance improvement70% backend performance improvement6 technologiesRead the case Automated Mentor Payout & Payment InfrastructureOffloaded 80% of manual finance effort every month - earnings computation, document creation, approval tracking, and transfer follow-ups that previously consumed days of spreadsheet work now run as an automated pipeline, cutting the payout cycle turnaround from days to hours.80% of manual finance effort14 technologiesRead the case
Experience Lab2 companies · 3 roles
Founding Engineer & AI Architect · ProPeersJuly 2025 – PresentArchitected the full AI ecosystem powering RoadmapAI, CodeLLM, AskAI, Global AI Search and the AI Code Editor building A…SDE - 1 · ProPeersJuly 2024 – July 2025Built and scaled the flagship "Roadmaps" feature, delivering 100+ curated learning paths across DSA, Development, and Sy…
Junior Software Engineer · Cloud ConductionJan 2024 – June 2024Built an AI-powered chat application from the ground up using React and .NET, improving frontend efficiency by 60% and b…
Founding Engineer & AI Architect · ProPeersJuly 2025 – PresentArchitected the full AI ecosystem powering RoadmapAI, CodeLLM, AskAI, Global AI Search and the AI Code Editor building A…SDE - 1 · ProPeersJuly 2024 – July 2025Built and scaled the flagship "Roadmaps" feature, delivering 100+ curated learning paths across DSA, Development, and Sy…Junior Software Engineer · Cloud ConductionJan 2024 – June 2024Built an AI-powered chat application from the ground up using React and .NET, improving frontend efficiency by 60% and b…Resume analyserMNC and startup resumes, scored against 2026 hiring demandOpen the resume analyser
77MNC resumeBest fit: SDE-2 / SDE-3, Backend
86Startup resumeBest fit: AI Engineer (LLM / RAG / Agents)
Evidence vs demandtop skills, both markets
100
52
100
100
100
71
100
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85
Role fitbest matches
Chat with Architect · 3 modes
Ask the architect.Three ways.
Agent Prince, Best V/S Best and Voice Mode. The same assistant you can open in the lab, answering from real work.
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Hello, I'm Prince Singh | AI Architect
I'm AI Architect & AI Engineer focused on designing and scaling production-grade AI systems. I specialize in Agentic AI, AI Architecture, and building scalable, robust systems with OpenAI, Google AI, Anthropic (Claude), Mistral AI, Meta, Grok, NVIDIA, MiniMax, DeepMind, Qwen, Moonshot and Databricks, enabling intelligent model routing, resilient fallback strategies, cost-aware inference, and latency-optimized multi-provider execution, along with RAG architectures, MCP, prompt engineering, fine-tuning, weight updates, LLM orchestration, and high-performance cloud-native applications bridging intelligent systems.
Try asking me
Trusted in production.
Built to last.
- Proven impact600K+ users on features I built, with 15 shipped products and systems.
- Built where it mattersProPeers and Cloud Conduction, owning systems behind 80%+ of platform traffic.
- Fundamentals that hold up5000+ Problems Solved Across 10+ Platforms, on a 1700+ days streak.
A
ARXLive product
800+detailed user feedbackVVersusLive product
12+leading LLMs simultaneouslyVWVoice with 24+ BrainsLive product
24+selectable modelsAAskDSALive product
3,000+LeetCode problems with full solutionsMMMulti Model AI Orchestration & Comparison PlatformLive product
1000+active usersMCMulti Cloud Full-Stack AI PlatformLive product
12,000+unique visitorsMLMulti LLM AI Orchestration with 25+ Latest ModelsProPeers · AI system
1000+active users across all three phasesRRoadmapAIProPeers · AI system
3xsurge in roadmap completion velocityCMCodeLLM Multi-Model Code JudgeProPeers · AI system
~99%code evaluation accuracyAAskAIProPeers · AI system
3xhigher user engagement through personalizedGAGlobal AI SearchProPeers · AI system
100+roadmapsACAI-Powered Code EditorProPeers · AI system
40%boost in engagement and retentionCCCloud Cost Optimization & Infra/DevOps AutomationProPeers · Engineering
10+VMs in both directionsAOAPI OptimizationProPeers · Engineering
70%backend performance improvementPPayrollProPeers · Engineering
80%of manual finance effortFeatures that power the work
What runs inside the products, shown the way it behaves.
GPT o1GPT 5.5GPT 5.4GPT 5.2GPT 5.1GPT o3-miniGPT 4.1 miniGemini 3.1 ProGemini 3Google Gemma 3Claude Opus 4.7Claude Opus 4.6
Retrieval pipeline
Intent rulesSemantic anchorsFull-corpus searchEntity-diverse re-rankstream.js
From Tier 3 to founding engineerCracked 4 Remote Jobs as Fresher, then Founding Engineer & AI Architect at ProPeers.
How it all runs
The live request path and the full system design behind every product, straight from the architecture files.
72K+ Followers
Prince Singh on LinkedIn10K+ Subscribers
@princesinghcseThe community
1,00,000+
Engineers learning with Prince Singh
From YouTube to LinkedIn, a growing community learning DSA, AI Engineering and DevOps - from free sheets to 1:1 mentorship with a practising AI Architect.
Explore the lab
Every product line has its own page, built from real data.
AI LabStandalone AI products, live and open to try. Each one has its own page with impact, engineering notes, stack and architecture.
AI SystemsAI systems designed and shipped in production at ProPeers, with their measured impact and full architecture.
Engineering SystemsThe full set of major contributions: AI features, infrastructure, cost optimisation, APIs and payments.
Experience LabEvery company and role with the complete list of achievements, newest first.
DSA Lab5000+ Problems Solved Across 10+ Platforms, with a 1700+ days daily streak.
Tech StackEvery language, framework, model, database and cloud tool in use, grouped by category.
CommunityMentorship, focus areas and every channel where people learn with Prince.
Open SourceGitHub profile, contributions, streaks, activity and language mix.
FounderFrom Sage University Indore to Founding Engineer & AI Architect at ProPeers.
Let's build something that ships.
6,800+
people have explored this lab · live