Himanshu Shrivastava avatar

Hello, I'm

Himanshu Shrivastava

9+ years building and scaling fintech & SaaS platforms. Expert in Node.js, React, TypeScript, AWS, and AI-assisted engineering workflows.

LinkedInRead My Writing
LatestStop Feeding Your LLM Raw Command Output: How RTK Cuts Tool Tokens by 60–90%

Latest Article

Cover image for Stop Feeding Your LLM Raw Command Output: How RTK Cuts Tool Tokens by 60–90%
ai-engineeringdeveloper-productivitytoolingclaude-code

Stop Feeding Your LLM Raw Command Output: How RTK Cuts Tool Tokens by 60–90%

Caveman compresses what agents say. RTK compresses what they read — filtering git, tests, and ls before that noise burns your context window. Here's how I wired it into Cursor and Claude Code.

5 min read
Read Article

Latest Writing

Engineering insights from 9+ years of building at scale.

Cover image for How I Write a Design Doc in 2 Hours (Not 2 Weeks)
engineering-practicesarchitecturedeveloper-productivity

How I Write a Design Doc in 2 Hours (Not 2 Weeks)

A practical, time-boxed framework to go from a blank page to a signed-off technical architecture in exactly 120 minutes.

5 min read
Cover image for RFCs vs ADRs: Which One Should You Actually Write?
engineering-practicesarchitecturedocumentation

RFCs vs ADRs: Which One Should You Actually Write?

Most teams pick one and force every decision through it. After authoring 40+ engineering standards across enterprise and startup contexts, here's the framework I use to choose between RFCs and ADRs — and when to skip both.

5 min read
Cover image for AI‑Native Time Management
ai-engineeringdeveloper-productivitytime-management

AI‑Native Time Management

How modern engineering leads transition from manual coding to AI orchestration, leveraging agentic CI/CD workflows to recover six hours per week and reduce cognitive load.

5 min read
Cover image for The 3 Code Smells Even Advanced AI Misses Every Time (Why Human Staff Engineers Still Win)
ai-engineeringcode-qualitycode-review

The 3 Code Smells Even Advanced AI Misses Every Time (Why Human Staff Engineers Still Win)

After integrating AI coding assistants into production workflows, I've learned they excel at syntax but fail spectacularly at context—here are the three code smells only human engineers catch.

5 min read
Cover image for What 1,900 Caveman-Mode Messages Taught Me About AI Token Compression
ai-engineeringdeveloper-productivitytooling

What 1,900 Caveman-Mode Messages Taught Me About AI Token Compression

I tracked every session where Caveman mode was actually active — Docker refactors, PDF fixes, PR review loops, and an always-on Electron project. Here's what ~68,000 output tokens of compressed agent replies looked like in practice.

6 min read
Cover image for From Cognitive Load to Golden Path: Architecting AI Agents into Your DevEx Platform
ai-agentsdeveloper-experienceplatform-engineering

From Cognitive Load to Golden Path: Architecting AI Agents into Your DevEx Platform

We've all felt the drag of cognitive load in software development. As an experienced engineer, I've seen firsthand how AI agents, strategically integrated into our DevEx platforms, can transform this burden into a seamless 'golden path,' significantly boosting productivity and quality.

5 min read
View Archive

About Me

Engineer, leader, and builder — driven by impact at scale.

Senior Full Stack Engineer and startup technology leader with 9+ years of experience building and scaling fintech, SaaS, and cloud-native platforms. Deep expertise in Node.js, React, TypeScript, Python, AWS, microservices, CI/CD automation, accessibility engineering, and AI-assisted developer workflows. Proven track record of architecting systems that scaled to 1M+ users, improving deployment speed by 50%, driving WCAG 2.1 AA compliance, and applying agentic engineering automation to improve code quality, developer productivity, and operational efficiency.

Node.jsReactTypeScriptAWSPythonCI/CD

9+

Years Experience

1M+

Users Served

99.9%

Uptime Achieved

WCAG 2.1 AA

Accessibility

Technical Toolkit

Languages

TypeScriptJavaScriptPythonPHPDart

Frontend

React.jsNext.jsAngularViteWebpackBabelHTML5CSS3Tailwind CSSSass / SCSSStyled ComponentsCSS ModulesReduxRedux ToolkitApolloUnidirectional data flowsElectronPWAWebGLThree.jsMicro-frontendsModule FederationFigmaDesign SystemsChart.jsStorybookMaterial UIReact Hook Form

Testing

JestReact Testing LibraryVitestCypressPlaywrightMochaStrykeraxe

Backend

Node.jsExpress.jsNestJSFlaskMicroservicesMulti-tenancyREST APIsGraphQLRabbitMQRedisWebSocketsOpenAPIPostmanSequelizeMobile APIsFirebase AuthRBACAPI Gateway

Databases

MySQLMongoDBPostgreSQLSQLiteDynamoDBFirebaseSupabase

Cloud & DevOps

AWSAWS IAMAWS Secrets ManagerMicrosoft AzureVercelNetlifyAuth0Azure ADDockerKubernetesTerraformAzure DevOpsGitHub ActionsGitLab CICI/CD

Data & Observability

AirflowSupersetNewRelicCloudWatchDatadogSentryMixpanelLaunchDarkly

AI Engineering

Claude CodeAnthropic Claude APICursorGitHub CopilotChatGPTMCPAI-based PR ReviewAgentic CI/CDPrompt EngineeringRAGLangChainOllamaGoogle Gemini API

Experience

9+ years of building products that scale and matter.

Senior Software Engineer

Incubyte

CurrentSep 2024 – Present
  • Lead full-stack development of enterprise applications using React.js, Node.js, and Python, delivering 14+ scalable features across front-end and backend systems for 3 tier-1 client engagements.
  • Spearheaded WCAG 2.1 AA accessibility initiatives across key client projects, authoring 40+ engineering standards and reducing compliance risk by 100% for broader user segments.

Co-Founder / Head of Engineering

ByajBook

Oct 2021 – Aug 2024
  • Architected a peer-to-peer lending platform serving 1M+ users and led the migration from a monolithic MVP to a microservices architecture using Node.js, Redis, and AWS ECS, achieving 99.9% uptime and reducing infrastructure costs by 35%.
  • Built and led a cross-functional team of 8 engineers, QAs, and designers, introducing Agile delivery practices and bi-weekly release cycles that reduced feature time-to-market by 40%.

Senior Software Engineer

CyberInfraStructure

Mar 2019 – Sep 2021
  • Led a team of 6 engineers to build a localised real estate platform using crypto-based smart contracts for fractional property ownership, driving end-to-end delivery of a $1.2M blockchain-enabled product.
  • Diagnosed performance bottlenecks in high-load Node.js services and optimised database indexing strategies, improving system efficiency by 40% under production workloads.

Senior Software Engineer

DreamCyber Infoway

May 2017 – Feb 2019
  • Spearheaded the migration of 20GB+ of data from WordPress to a custom Node.js platform, engineering migration pipelines that delivered 0% data loss and reduced query latency by 60%.
  • Independently designed and developed a marketing CRM with RBAC, drip campaigns, and funnel tracking capabilities, while optimising infrastructure usage to reduce hosting costs by 30%.

Software Engineer

Argalon Technologies

Sep 2016 – Apr 2017
  • Built web application features using Node.js, jQuery, Angular, and early React.js, contributing across both front-end and backend development.
  • Developed and delivered project modules aligned with business requirements, supporting on-time feature implementation across active client work-streams.

Software Engineer

Hyffins

Nov 2015 – Aug 2016
  • Developed a food delivery platform using Node.js, Express, and MySQL, building scalable backend functionality to support responsive user experiences and operational workflows.
  • Designed and implemented internal tools for delivery management and food manufacturing operations, improving workflow efficiency across internal teams.
6roles across fintech, SaaS, blockchain & consulting

Projects

Impactful systems built from scratch — with measurable results.

Credit Ops Automation Platform

Automated credit bureau monitoring & dispute workflows

A system to monitor credit reports across bureaus and drive automated corrections and ops sequences.

  • Implemented automated triggers with custom workflows to initiate defined sequences based on bureau report data.
  • Eliminated manual work for creating workflows, automating the process for infinite user cases.
  • Boosted sales team productivity by enabling simultaneous client management with minimal manual intervention.
Key Metrics
40% reduction in manual intervention50% reduction in system load via async triggers60% increase in client handling capacity
Node.jsReactMySQLRabbitMQRedis
Read case study

Procurement Performance Suite

Procurement management system at scale

Node.js / RoR / React-based procurement management system handling heavy front-end workloads.

  • Managed customer feature requests, issue resolution, and system scaling to support heavy workloads on the front-end.
  • Enhanced overall user experience and reduced response time by 50% through optimized front-end performance.
Key Metrics
50% improvement in response timeImproved user satisfaction and engagement
ReactNode.jsRuby on RailsPostgreSQL
Read case study

Multi-Channel Tournament Bot

Cross-platform Discord & WhatsApp tournament bot

A cross-platform bot integrated with a tournament management system, deployed on Discord and WhatsApp.

  • Architected and deployed a chatbot integrated with a tournament management system.
  • Developed integrations with WhatsApp and Discord, facilitating seamless user registration, verification, and communication.
  • Implemented automated notification systems to alert users about critical events such as qualification and disqualification.
Key Metrics
Real-time communication across two major platformsAutomated end-to-end tournament lifecycle management
Node.jsDiscord.jsWhatsApp APIMongoDB
Read case study

LinkedIn MCP Server

MCP tools for LinkedIn inside AI IDEs

Published TypeScript MCP server exposing LinkedIn OAuth and profile, content, org, and analytics APIs as agent tools.

  • Published @himanshu31shr/linkedin-mcp-server for Claude Desktop, Cursor, and other MCP hosts.
  • Implemented 20 tools across profile, posts, media, organizations, social actions, and org analytics.
  • Shipped Vitest + MSW coverage with tag-based npm publish and provenance.
Key Metrics
Published npm package @himanshu31shr/linkedin-mcp-server20 MCP tools across LinkedIn API domainsVitest + MSW coverage and npm provenance publish
TypeScriptMCP SDKZodOAuth 2.0VitestMSW
Read case study
View all case studies

Get In Touch

Open to exciting opportunities, collaborations, or just a good engineering conversation.

Based in India · Available for remote & hybrid roles