# TechiZen

> TechiZen builds and deploys AI solutions for businesses: GenAI, RAG, agentic systems, web, cloud, and QA,two decades of software engineering and quality assurance with OpenAI, Bedrock, Vertex, and modern stacks.

TechiZen develops innovative AI solutions: intelligent image processing, advanced chatbots, AI-powered education, QA and test automation (20+ years), and custom GenAI integrations. We deliver scalable tools for growth and productivity. From GPT-4-powered agents to legacy modernization; VPC and on-prem deployment; RAG over vector stores; agentic workflows with LangChain and LlamaIndex.

## Core tech stack

Technologies and platforms TechiZen uses for delivery.

- **Frontend:** Next.js 15, React 19, TypeScript 5, Angular, Tailwind CSS
- **Backend & runtimes:** Node.js, Python, Java, .NET; FastAPI, Express, Django, Spring Boot
- **AI/ML platforms:** OpenAI (GPT-4, GPT-4 Vision), Google Gemini, Vertex AI, AWS Bedrock, Azure AI, Claude, Meta Llama, Mistral, Cohere, DeepSeek, Ollama, Microsoft Copilot
- **Frameworks & tools:** LangChain, LlamaIndex, Hugging Face, PyTorch, TensorFlow, n8n, Lovable
- **Vector & data:** Pinecone, ChromaDB, Weaviate, pgvector; RAG pipelines; Postgres, MongoDB, MySQL, Redis
- **Infrastructure:** AWS, GCP, Azure; Docker, Kubernetes; IaC, serverless, microservices; VPC and on-prem

### Quality Assurance

- **Automation & E2E:** Cypress, Playwright, Selenium, Jest, TestCafe, Cucumber
- **API testing:** Postman, Supertest
- **CI/CD:** Jenkins, GitHub Actions, GitLab CI, Azure DevOps
- **Test management:** TestRail, Xray, Qase

### Observability, content & delivery

- **Observability:** Grafana, Prometheus; cloud provider tooling
- **Content & integrations:** SCORM, xAPI; Google Vision, AWS Rekognition; S3, GCS, Azure Blob; WordPress, Shopify, Contentful; Intercom, Zendesk, Dialogflow, Microsoft Bot Framework
- **Delivery:** Resend, reCAPTCHA, Microsoft Clarity, Vercel Analytics

## Engineering capabilities

Agentic AI systems and multi-step agents; RAG pipelines and domain-specific fine-tuning; GenAI on OpenAI, Bedrock, Vertex, Ollama; AI automation and workflow integration (n8n, custom backends); full-stack web and mobile (e-commerce, portals, internal tools); cloud-ready architecture and migration; QA and test automation (20+ years),automated testing, AI-powered test generation, E2E and performance/load testing; knowledge-to-assessment and content generation; visual content annotation; conversational support and repurposable multi-format content.

## Service pages

- [Services overview](https://techizen.com/services): AI services, GenAI, automation, web, cloud, QA (20+ years)
- [GenAI development](https://techizen.com/services/genai-development): Custom GenAI on OpenAI, Bedrock, Vertex, Ollama; RAG, fine-tuning, APIs
- [AI automation & integration](https://techizen.com/services/ai-automation-integration): Multi-step agents, LangChain, LlamaIndex, n8n, workflow automation
- [Web & app development](https://techizen.com/services/web-app-development): React, Next.js, Node, Python, Java, .NET; Postgres, MongoDB, Redis
- [Cloud-ready architecture](https://techizen.com/services/cloud-ready-architecture): AWS, Azure, GCP; IaC, Docker, Kubernetes, serverless
- [Automated testing](https://techizen.com/services/automated-testing): Cypress, Playwright, Selenium; API and CI/CD testing
- [AI-powered test generation](https://techizen.com/services/ai-powered-test-generation): LLM-driven test generation; TypeScript, Python, Java
- [End-to-end workflow testing](https://techizen.com/services/end-to-end-workflow-testing): E2E, performance; Docker, ephemeral environments
- [Performance & load testing](https://techizen.com/services/performance-load-testing): Load testing; Grafana, Prometheus
- [Knowledge to assessment](https://techizen.com/services/knowledge-to-assessment-generation): RAG, SCORM, xAPI; OpenAI, Gemini, Claude
- [Visual content annotation](https://techizen.com/services/visual-content-annotation): Vision AI, S3, GCS, Azure Blob; CMS integrations
- [Conversational support content](https://techizen.com/services/conversational-support-content): Chatbots, Pinecone, ChromaDB, Weaviate; Intercom, Zendesk
- [Repurposable multi-format content](https://techizen.com/services/repurposable-multi-format-content): Multi-format content from transcripts, PDFs, docs; distribution APIs

## Optional

- [Home](https://techizen.com): TechiZen homepage
- [About](https://techizen.com/about): Mission, team, expertise
- [Portfolio](https://techizen.com/portfolio): Case studies and projects
- [Contact](https://techizen.com/contact): Offices (US, India), contact form