You will get In-depth Review of your Next.js/React application's code and architecture.
Rising Talent
Rising Talent
Project details
I'm a Next.js nerd who's built countless projects and followed every update from both Next.js and React. I don’t just use the framework — I understand its internals, best practices, and edge cases. My reviews go beyond surface-level checks to deliver insights only an experienced developer can provide.
Programming Languages
HTML & CSS, JavaScript, TypeScriptCoding Expertise
Cross Browser & Device Compatibility, Performance Optimization, SecurityWhat's included
| Service Tiers |
Starter
$199
|
Standard
$499
|
Advanced
$999
|
|---|---|---|---|
| Delivery Time | 2 days | 5 days | 8 days |
Number of Revisions | 2 | 4 | 6 |
Number of Pages | 1 | 4 | 7 |
Design Customization | |||
Content Upload | - | ||
Responsive Design | - | ||
Source Code | - |
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Yohannes is truly one of the best developers I’ve ever worked with. He combines deep technical expertise with clear communication, reliability, and a proactive approach to problem-solving. Every task was delivered on time, with high-quality code and thoughtful solutions that went above and beyond expectations. Working with Yohannes has been an absolute pleasure, and I look forward to collaborating again in the future. Highly recommended!
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About Yohannes
AI Agent Developer | LangGraph | MCP | RAG | FastAPI | NestJS | Mastra
100%
Job Success
Addis Ababa, Ethiopia - 11:36 am local time
I'm Yohannes, a full-stack AI engineer specializing in multi-agent systems, LLM integration, and workflow automation. As a senior engineer at Algorise, I build and run production AI platforms that handle 1,000+ workflow executions per day, cut resolution times from 2 hours to under 10 minutes, and onboard enterprise tenants in under 7 days. Those are production benchmarks, not demo numbers.
WHAT I BUILD
• Multi-agent systems — LangGraph, CrewAI, OpenAI Agents SDK, Mastra
• Enterprise RAG platforms — multi-tenant knowledge bases with pgvector, Pinecone, ChromaDB
• MCP integrations — tool-calling systems connecting agents to live APIs and cloud services
• White-label AI frameworks — one codebase, config-driven multi-tenancy, unlimited clients
• Full-stack AI products — FastAPI/NestJS + Next.js/React, AWS, Terraform, Docker, CI/CD
RESULTS FROM REAL PROJECTS
• Production AI knowledge platform (built at Algorise) — multi-tenant architecture, org-scoped vector stores, real-time streaming, RBAC, full AWS deployment with infrastructure-as-code
• White-label AI framework serving fintech, investment management, and e-commerce clients — MCP tool orchestration, multi-layer memory systems
• Hierarchical RAG chatbot for a 1,500+ location retail chain — 5-level knowledge inheritance, multi-vector-store retrieval, regional analytics dashboards
• Reusable AI SDK with 10+ integrations (Gmail, Notion, Slack, HubSpot, Google Suite) — deployed across 20+ client projects
• 30+ automation workflows running 800+ tasks weekly at 99.9% API uptime
HOW I WORK
• Architecture first — you get a proposed design and tradeoffs before I write a line of code
• Proactive communication — weekly summaries, early risk flags, full documentation
• Async-first and timezone-flexible — I've delivered for clients in the UK, Italy, and beyond
• Strong foundation — BSc in Software Engineering, Addis Ababa University
STACK
AI frameworks: LangChain, LangGraph, LlamaIndex, CrewAI, AutoGen, OpenAI Agents SDK, Claude Agent SDK, Pydantic AI, Mastra, n8n, Vercel AI SDK
LLMs & infra: OpenAI, Anthropic Claude, Gemini, MCP, RAG, Pinecone, Weaviate, pgvector, FAISS, LangSmith, Langfuse
Backend & frontend: FastAPI, NestJS, Node.js, Django, React, Next.js, Python, TypeScript, Go
Cloud & data: AWS, GCP, Azure, Docker, Kubernetes, Terraform, PostgreSQL, MongoDB, MySQL
Building an AI agent, adding LLMs to an existing product, or automating a business process? Send me a one-line description of what you're trying to do — within 24 hours I'll reply with how I'd approach it and whether I'm the right fit.
Steps for completing your project
After purchasing the project, send requirements so Yohannes can start the project.
Delivery time starts when Yohannes receives requirements from you.
Yohannes works on your project following the steps below.
Revisions may occur after the delivery date.
Goal & Priority Alignment
We'll define your key objectives (performance, scalability, security) and identify critical components for focused review.
Architecture Deep Dive
Comprehensive analysis of your app structure, state management, data flow patterns, and Next.js implementation (SSR/SSG/ISR).