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Four prongs are waiting. Pick one and start forging.

TRISHUL · Four paths, one weapon

Forge all four prongs.
Wield the TRISHUL.

AI Architecture, DSA, Algorithms and System Design - each a prong of one weapon. Every item you finish charges its prong; finish a path and it lights up for good, with a certificate to prove it.

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Choose your prong

Prong IAIArchitect
AI Architect9.8/10

From Next.js SaaS frontend to production Multi-LLM AI systems. 21 phases, 63 hands-on projects - Multi-LLM Orchestration, RAG Pipelines, AI Agents, Streaming Architecture, AI Memory, Caching, Azure OpenAI, AWS Bedrock, Databricks.

  • 21+phases
  • 132+topics
  • 63+projects
EnterI
Prong IIEverything aboutDSA
Everything about DSA9.5/10

Stop memorising solutions - start recognising patterns. 56 patterns across 10 categories covering 95% of coding interview questions. Built for FAANG-level prep.

  • 10categories
  • 56+patterns
  • 276+problems
EnterII
Prong IIIAlgorithmAccelerator
Algorithmic Accelerator9.7/10

Deep dive into every algorithm: Why it works, When to use it, Where it is applied in the real world. 22 categories, 88 algorithms, 401 curated problems - complete coverage from Sorting to Trees, Graphs, DP, Tries, Bit Manipulation, Math and more.

  • 22categories
  • 88algorithms
  • 401problems
EnterIII
ClientAPIDB
Prong IVSystemDesign
Everything About System Design9.8/10

Noob to God Level in one product. 9 categories, 76 patterns, 380 questions - LLD with full Java code (20 designs), HLD case studies (20 designs), Distributed Systems Theory (Raft, Paxos, CRDTs, 2PC, Saga), and 8 Research Paper deep dives (Dynamo, Spanner, Kafka, TAO, Zanzibar). The only system design resource covering LLD + HLD + theory in one place.

  • 9categories
  • 76+patterns
  • 380+questions
EnterIV

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0/5 earned

TRISHUL

Prong I · AI

PreparationStreet
Certificate of Completion

Awarded to

Your Name

for completing every phase and project of

AI Architect

Industrial-Grade Build & Scale

21 phases63 projectsMulti-LLM · RAG · Agents
Prince SinghPrince SinghFounder & AI Architect, Preparation Street

Issued on

-

Credential ID

PS-AIA-XXXXXXXX

Verify at preparationstreet.com/certificate/verify

AI Architect

Complete every item in the AI Architect path.

PreparationStreet
TRISHULProng II · DSA

Certificate

of Completion

This certificate is proudly awarded to

Your Name

for completing Everything About DSA - 10 categories and 56 patterns, learning to recognise the pattern instead of memorising the answer.

Prince SinghPrince SinghFounder & AI Architect, Preparation Street
DSAPATTERNS

Issued on

-

Credential ID

PS-DSA-XXXXXXXX

Verify at preparationstreet.com/certificate/verify

Everything About DSA

Complete every item in Everything About DSA.

TRISHUL

Prong III · Algorithms

PreparationStreet

Certificate of Completion

Algorithm
Accelerator

Why it works, not just how.

Proudly presented to

Your Name

22

categories

88

algorithms

401

problems

Prince SinghPrince SinghFounder & AI Architect, Preparation Street

Issued on

-

Credential ID

PS-ALG-XXXXXXXX

Verify at preparationstreet.com/certificate/verify

Algorithm Accelerator

Complete every item in Algorithm Accelerator.

SHEET ESD-01
SCALE Architect
ClientLoad BalancerService AService BCacheDB
PreparationStreet
TRISHULProng IV · System Design

Certificate of Completion

Everything About System Design

// LLD, HLD and the theory under both

Awarded to

Your Name

9 categories76 patterns380 questions
Prince SinghPrince SinghFounder & AI Architect, Preparation Street

Issued on

-

Credential ID

PS-ESD-XXXXXXXX

Verify at preparationstreet.com/certificate/verify

Everything About System Design

Complete every item in Everything About System Design.

Certificate of Mastery

TRISHUL

This is to certify that

Your Name

has conquered all four prongs of TRISHUL - completing every path at architect level.

I · AI ArchitectII · Everything About DSAIII · Algorithm AcceleratorIV · System Design
Prince SinghPrince SinghFounder & AI Architect, Preparation Street
PreparationStreet

Issued on

-

Credential ID

PS-TRI-XXXXXXXX

Verify at preparationstreet.com/certificate/verify

TRISHUL Master

Earn all four TRISHUL path certificates.

How each prong scores against the market

  • AI ArchitectPremium Enterprise-Level AI Engineering Roadmap9.8
  • Everything about DSAPremium Pattern-Recognition DSA Interview Preparation Roadmap9.5
  • Algorithm AcceleratorPremium Algorithm Mechanics & FAANG Preparation Roadmap9.7
  • System DesignThe Only Complete System Design Resource - LLD to Research Papers, Noob to CTO, One Product9.8

Prepared for interviews at

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MetaMetaMicrosoftMicrosoftMiniMaxMiniMaxMistralMistralMongoDBMongoDBMoonshot AIMoonshot AINVIDIANVIDIANetflixNetflixNotionNotionNubankNubankNvidiaNvidiaNykaaNykaaOktaOktaOlaOlaOpenAIOpenAIOptiverOptiverOracleOraclePagerDutyPagerDutyPalantirPalantirPayPalPayPalPaytmPaytmPhonePePhonePePinterestPinterestPlaidPlaidPluralsightPluralsightPolicyBazaarPolicyBazaarPostmanPostmanPwCPwCQualcommQualcommQwen (Alibaba)Qwen (Alibaba)RazorpayRazorpayRedditRedditRedisRedisRevolutRevolutRobinhoodRobinhoodRobloxRobloxSAPSAPSIGSIGSalesforceSalesforceServiceNowServiceNowShareChatShareChatShopifyShopifySlackSlackSnapSnapSnowflakeSnowflakeSpotifySpotifyStripeStripeSupabaseSupabaseSwiggySwiggyTCSTCSTikTokTikTokTruecallerTruecallerTwilioTwilioTwitchTwitchTwitterTwitterTwo SigmaTwo SigmaUberUberUdacityUdacityUdemyUdemyUnacademyUnacademyUnityUnityUrban CompanyUrban CompanyVedantuVedantuVercelVercelVirtu FinancialVirtu FinancialWalmartWalmartWiproWiproWiseWiseWorkdayWorkdayZendeskZendeskZeptoZeptoZohoZohoZomatoZomatoZoomZoomeBayeBayupGradupGradMetaMetaMicrosoftMicrosoftMiniMaxMiniMaxMistralMistralMongoDBMongoDBMoonshot AIMoonshot AINVIDIANVIDIANetflixNetflixNotionNotionNubankNubankNvidiaNvidiaNykaaNykaaOktaOktaOlaOlaOpenAIOpenAIOptiverOptiverOracleOraclePagerDutyPagerDutyPalantirPalantirPayPalPayPalPaytmPaytmPhonePePhonePePinterestPinterestPlaidPlaidPluralsightPluralsightPolicyBazaarPolicyBazaarPostmanPostmanPwCPwCQualcommQualcommQwen (Alibaba)Qwen (Alibaba)RazorpayRazorpayRedditRedditRedisRedisRevolutRevolutRobinhoodRobinhoodRobloxRobloxSAPSAPSIGSIGSalesforceSalesforceServiceNowServiceNowShareChatShareChatShopifyShopifySlackSlackSnapSnapSnowflakeSnowflakeSpotifySpotifyStripeStripeSupabaseSupabaseSwiggySwiggyTCSTCSTikTokTikTokTruecallerTruecallerTwilioTwilioTwitchTwitchTwitterTwitterTwo SigmaTwo SigmaUberUberUdacityUdacityUdemyUdemyUnacademyUnacademyUnityUnityUrban CompanyUrban CompanyVedantuVedantuVercelVercelVirtu FinancialVirtu FinancialWalmartWalmartWiproWiproWiseWiseWorkdayWorkdayZendeskZendeskZeptoZeptoZohoZohoZomatoZomatoZoomZoomeBayeBayupGradupGradMetaMetaMicrosoftMicrosoftMiniMaxMiniMaxMistralMistralMongoDBMongoDBMoonshot AIMoonshot AINVIDIANVIDIANetflixNetflixNotionNotionNubankNubankNvidiaNvidiaNykaaNykaaOktaOktaOlaOlaOpenAIOpenAIOptiverOptiverOracleOraclePagerDutyPagerDutyPalantirPalantirPayPalPayPalPaytmPaytmPhonePePhonePePinterestPinterestPlaidPlaidPluralsightPluralsightPolicyBazaarPolicyBazaarPostmanPostmanPwCPwCQualcommQualcommQwen (Alibaba)Qwen (Alibaba)RazorpayRazorpayRedditRedditRedisRedisRevolutRevolutRobinhoodRobinhoodRobloxRobloxSAPSAPSIGSIGSalesforceSalesforceServiceNowServiceNowShareChatShareChatShopifyShopifySlackSlackSnapSnapSnowflakeSnowflakeSpotifySpotifyStripeStripeSupabaseSupabaseSwiggySwiggyTCSTCSTikTokTikTokTruecallerTruecallerTwilioTwilioTwitchTwitchTwitterTwitterTwo SigmaTwo SigmaUberUberUdacityUdacityUdemyUdemyUnacademyUnacademyUnityUnityUrban CompanyUrban CompanyVedantuVedantuVercelVercelVirtu FinancialVirtu FinancialWalmartWalmartWiproWiproWiseWiseWorkdayWorkdayZendeskZendeskZeptoZeptoZohoZohoZomatoZomatoZoomZoomeBayeBayupGradupGrad