KJ
KRATI JOSHI
Contact details — on requestProof of Work — on request
Experience
Full-stack Developer
Sai Computers Limited · Jul 2024 – Present
S
Backend Developer
SAI Computers Limited · Feb 2024 – Present
- Designed and maintained 120+ production REST APIs using Node.js, TypeScript & Express.js serving 4 government DISCOMs.
- Built JWT authentication + dynamic RBAC framework covering 8+ roles with granular feature-level permissions, achieving zero unauthorised-access incidents.
- Cut average API response time by ~40% via in-memory caching strategies, PostgreSQL index tuning, and query rewrites on high-volume reporting endpoints.
- Integrated SaiGPT (NL-to-SQL) enabling non-technical business users to query operational data in natural language, reducing analyst turnaround from days to minutes.
- Architected Kafka producer-consumer pipeline for asynchronous processing, handling 10,000+ field images/day with dead-letter queue failure handling.
- Engineered a shared-schema multi-tenant system with middleware-enforced org-scoping, ensuring zero cross-tenant data leakage.
Back End Developer
Sai Computers Limited · Feb 2024 – Present
- ● 120+ production REST APIs: Designed and maintained 120+ production REST APIs using Node.js, TypeScript & Express.js serving 4 government DISCOMs.
- ● RBAC & Auth: Built JWT authentication + dynamic RBAC framework covering 8+ roles with granular feature-level permissions, achieving zero unauthorised-access incidents.
- ● Performance optimisation: Cut average API response time by ~40% via in-memory caching strategies, PostgreSQL index tuning, and query rewrites on high-volume reporting endpoints.
- ● AI Analytics integration: Integrated SaiGPT (NL-to-SQL) enabling non-technical business users to query operational data in natural language, reducing analyst turnaround from days to minutes.
- ● Event-driven pipelines: Architected Kafka producer-consumer pipeline for asynchronous OCR image processing, handling 10,000+ field images/day with dead-letter queue failure handling.
- ● Multi-tenant backend: Engineered a shared-schema multi-tenant system with middleware-enforced org-scoping, ensuring zero cross-tenant data leakage across concurrent enterprise users.
Data Analyst
Sai Computers Limited · Feb 2024 – Jul 2024
Web Developer
BR SoftSol · Aug 2022 – Nov 2022
Campus Manager @ CS Mock
CS Mock · Apr 2022 – Sep 2022
Skills 0 proven through work
Also works with
Enterprise Integration DesignDistributed Systems DesignPerformance Metrics AnalysisTaking OwnershipTechnical TroubleshootingTeamworkTechnical Knowledge SharingProblem SolvingToken-based System DesignDatabase Index CreationDatabase Query AnalysisCache Update StrategyAPI Performance OptimizationMiddleware IntegrationRBAC Module DevelopmentJWT Authentication Filter ImplementationProduction Environment SupportApplication DeploymentCode ReviewAPI Testing with PostmanError HandlingInput Validation ImplementationWeb Application Security ImplementationData ModelingRequirements AnalysisAPI VersioningScalable System DesignDatabase Query OptimizationBatch Processing ImplementationETL Pipeline DevelopmentMachine Data Ingestion DesignCelery Task QueueClickHouse DB UsageApache KafkaRedis Cache ImplementationStreaming Data ProcessingPySparkAnalytical Report CreationMulti-Tenant Architecture DesignLarge Dataset HandlingAPI Authentication ImplementationDatabase IntegrationBusiness Logic ImplementationREST API Endpoint DevelopmentDatabase ManagementPostgreSQL Database UsageTypeScript DevelopmentExpress.js Backend DevelopmentNode.js DevelopmentBackend Development
Proof of Work
Proof of Work
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Education
B.Tech, Computer Science (Artificial Intelligence)
AKTU · 2020 — 2024
12th Grade, Senior Secondary Education
UP Board · 2018 — 2020
10th Grade, Secondary Education
UP Board · 2016 — 2018
Contact details
Contact details
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