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Bipin Singh

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Available for select opportunities

Hi, I'm Bipin Singh

I build automation frameworks, performance pipelinesand AI-powered testing systems that help teams ship faster.

SDETAutomation EngineerAI/LLM Testing
~/sdet-portfolio — zsh
About

One discipline, five ways I show up

Not a job title so much as a set of habits — the same engineer, applied to different layers of the quality problem.

Engineer

I write real code around testing, not just scripts — Node.js and Express services, REST and GraphQL clients, and reusable utilities built with TypeScript.

Node.jsTypeScriptREST APIs

Automation

I design Playwright automation frameworks with the Page Object Model — reusable fixtures, API validations, and cross-browser coverage that cut regression effort by 40%.

PlaywrightPOMCross-Browser

Performance

I model load, stress, spike, and soak scenarios with k6, and watch systems under pressure through Grafana, Prometheus, and Loki dashboards.

k6GrafanaObservability

AI Testing

I bring LLMs into the QA workflow — using Claude and ChatGPT to speed up test authoring, and applying RAG and vector search in projects like Medibot.

Claude AIChatGPTLLM Testing

Developer Experience

I care about UI-API-database consistency and clean feedback loops — validating business rules end to end so failures point straight to the cause.

SDLCSTLCCI/CD
Experience

Where I've built quality into the system

A year and a half of hands-on ownership across test automation, performance engineering, and data quality.

Harcourt Butler Technical University

B.Tech in Electronics Engineering · Kanpur, Uttar Pradesh

2021 — 2025

CGPA: 7.5

Skills

Depth across the quality stack

From browser automation to load modeling to agentic AI — the tools I reach for and how confidently I use them.

Programming

The languages I write day to day, from framework code to data validation.

JavaScriptTypeScriptSQLC++

Automation & Testing

End-to-end and cross-browser automation built around real product workflows.

PlaywrightAPI TestingRegression TestingCross-Browser TestingSanity Testing

Performance Testing

Load, stress, spike, and soak testing with full observability.

k6GrafanaPrometheusLoki

Backend & Databases

Enough backend fluency to validate systems, not just click through them.

Node.jsExpress.jsREST APIsMongoDBGraphQL

Tools & Concepts

The everyday tooling and process discipline behind reliable releases.

PostmanJIRAGitHubCharles ProxyCI/CD

AI & Modern QA

Applying LLMs to testing workflows and building AI-powered products.

Claude AIChatGPTLLM TestingMCP
Technology Stack

Tools I reach for daily

A living toolkit spanning automation, performance, data, and AI.

PlaywrightAutomationAPI TestingAutomationRegression TestingAutomationk6PerformanceGrafanaObservabilityPrometheusObservabilityLokiObservabilityJavaScriptLanguageTypeScriptLanguageSQLLanguageC++LanguageNode.jsBackendPlaywrightAutomationAPI TestingAutomationRegression TestingAutomationk6PerformanceGrafanaObservabilityPrometheusObservabilityLokiObservabilityJavaScriptLanguageTypeScriptLanguageSQLLanguageC++LanguageNode.jsBackend
Express.jsBackendMongoDBDataGraphQLBackendSnowflakeDataPostmanToolsCharles ProxyToolsJIRAToolsGitHubToolsCI/CDToolsClaude AIAIChatGPTAILangChainAIExpress.jsBackendMongoDBDataGraphQLBackendSnowflakeDataPostmanToolsCharles ProxyToolsJIRAToolsGitHubToolsCI/CDToolsClaude AIAIChatGPTAILangChainAI
Featured Projects

Frameworks and tools built to be trusted

Each project below links to a full case study — problem, architecture, decisions, and results.

Playwright Automation Framework cover artwork

Playwright Automation Framework

A POM-based Playwright framework cutting regression effort by 40%.

A TypeScript Playwright framework built around the Page Object Model, extended across an e-commerce platform, a multilingual campaign site, and a multi-portal education platform.

PlaywrightTypeScriptPage Object ModelPostmanCI/CD
40%Regression Effort Cut
10+Language Variants
4Portals Covered
Performance Testing & Observability cover artwork

Performance Testing & Observability

Load, stress, spike, and soak testing wired into real monitoring.

A k6-based performance testing setup for TenxYou and Freshterra, with Grafana, Prometheus, and Loki giving the team dashboard-level visibility into latency and errors under load.

k6GrafanaPrometheusLoki
4Scenario Types
2Platforms Covered
3 toolsMonitoring Stack
API Testing & Data Validation cover artwork

API Testing & Data Validation

Postman-driven API testing backed by SQL and Snowflake validation.

API and data validation spanning a live e-commerce platform's feature flags and checkout flow, plus a contract engagement validating retail and CRM datasets with 100% accuracy.

PostmanSQLSnowflakeGrowthBook
100%Data Accuracy
100%Data Integrity
2Systems Covered
Medibot: AI-Powered Medical Chatbot cover artwork

Medibot: AI-Powered Medical Chatbot

A RAG-based medical chatbot with sub-200ms vector search.

An AI chatbot built on a retrieval-augmented generation pipeline, using FAISS for fast vector search and LangChain to integrate HuggingFace models — cutting query resolution time by 60%.

PythonLangChainHuggingFaceFAISSFastAPI
-60%Query Resolution
<200msVector Search
85%Context Accuracy
Chatty: Real-Time Chat Application cover artwork

Chatty: Real-Time Chat Application

A Socket.io-powered chat app securing 10K+ users.

A real-time chat application built with Socket.io for live messaging, JWT-based authentication, and a responsive UI with online status tracking that lifted engagement by 40%.

React.jsNode.jsMongoDBExpress.jsSocket.io
50%Latency Reduced
10K+Users Secured
+40%Retention Increase
Try It Yourself

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portfolio — interactive
Welcome. Type help to see available commands.
Performance Metrics

Numbers that reflect the discipline

Quality work is measurable — here's the footprint across the projects I've owned.

0%Regression Effort CutManual regression effort reduced with a Playwright + POM framework.
0%Faster Query ResolutionImprovement in Medibot's RAG-based query resolution time.
0%Context-Aware AccuracyAccuracy achieved integrating LangChain with HuggingFace models.
0K+Users SecuredUsers protected with JWT-based authentication in Chatty.
0%Data Integrity ValidatedAccuracy and consistency across Amazon Canada and Salesforce datasets.
Testimonials

What collaborators say

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I had the pleasure of working with Bipin, and I can confidently say he is an outstanding SDET. He has a strong understanding of test automation, pays great attention to detail, and consistently delivers reliable, high-quality test solutions. His ability to identify critical issues early in the development cycle has helped improve product quality and streamline releases. Beyond his technical expertise, Bipin is collaborative, proactive, and always willing to support his teammates. He approaches every challenge with a problem-solving mindset and is committed to delivering quality in everything he does. I highly recommend Bipin to any team looking for a skilled and dependable SDET.

Jiya Jain

SDE-1

I had the opportunity to work with Bipin, and his attention to detail in software testing is exceptional. He consistently delivered high-quality automation using Playwright, performed thorough API and database validations, and approached every release with a strong quality-first mindset. He's reliable, proactive, and a great asset to any engineering team.

Harsh Agarwal

SDE-1

Bipin is an excellent SDET. He automated our regression suite using Playwright, reducing testing time from 4 hours to 30 minutes. His attention to detail and problem-solving skills are outstanding.

Mohit Nandan

SDET-1

Bipin brings a strong quality mindset to every project he works on. His testing feedback is always clear, actionable, and backed by solid technical understanding. He communicates effectively with developers and genuinely cares about delivering a reliable product. Any engineering team would benefit from having him.

Satvik Sharma

SDE-1

I had the pleasure of working with Bipin, and I can confidently say he is an outstanding SDET. He has a strong understanding of test automation, pays great attention to detail, and consistently delivers reliable, high-quality test solutions. His ability to identify critical issues early in the development cycle has helped improve product quality and streamline releases. Beyond his technical expertise, Bipin is collaborative, proactive, and always willing to support his teammates. He approaches every challenge with a problem-solving mindset and is committed to delivering quality in everything he does. I highly recommend Bipin to any team looking for a skilled and dependable SDET.

Jiya Jain

SDE-1

I had the opportunity to work with Bipin, and his attention to detail in software testing is exceptional. He consistently delivered high-quality automation using Playwright, performed thorough API and database validations, and approached every release with a strong quality-first mindset. He's reliable, proactive, and a great asset to any engineering team.

Harsh Agarwal

SDE-1

Bipin is an excellent SDET. He automated our regression suite using Playwright, reducing testing time from 4 hours to 30 minutes. His attention to detail and problem-solving skills are outstanding.

Mohit Nandan

SDET-1

Bipin brings a strong quality mindset to every project he works on. His testing feedback is always clear, actionable, and backed by solid technical understanding. He communicates effectively with developers and genuinely cares about delivering a reliable product. Any engineering team would benefit from having him.

Satvik Sharma

SDE-1

Contact

Let's talk about quality

Open to SDET, QA automation, and quality engineering roles.

Whether it's a role, a collaboration, or just a question about test architecture — the fastest way to reach me is below. I read everything.