Fullstack Developer (Python / FastAPI / Next.js)

Your Responsibilities

• Designing and developing fullstack applications (FastAPI + Next.js)
• Building and maintaining REST APIs with FastAPI
• Designing and implementing ETL pipelines for data processing
• Integrating LLMs (OpenAI) and building AI-powered features using LangChain
• Working with data science workflows (NumPy, data modeling, analytics)
• Designing database structures (MongoDB / PostgreSQL)
• Deploying and maintaining infrastructure on Azure
• Contributing to architectural and product decisions

Requirements

Must-have

• Python - 6+ years of experience
• FastAPI - building backend services and APIs
• JavaScript / Next.js - 4+ years, fullstack frontend development
• LLMs / OpenAI - 2+ years, practical experience integrating AI models
• Data Science - 5+ years, including NumPy and analytical workflows
• MongoDB - 3+ years, schema design and querying
• Azure - 6+ years, cloud infrastructure experience

Nice-to-have

• LangChain - building LLM-powered pipelines and agents
• Databricks / Spark - large-scale data processing
• Terraform - infrastructure as code
• PostgreSQL - relational database experience
• Kubernetes - container orchestration
• NLP - natural language processing techniques
• Django / Flask - additional Python web frameworks
• C# / C++ - general backend / systems programming background
• Orleans / SignalR - distributed systems / real-time communication
• ELK Stack - logging and observability
• CQRS, SOLID, OOD, Design Patterns - strong architectural fundamentals
• CI/CD - automated build and deployment pipelines
• Cybersecurity - security-aware development practices
• IoT - 4+ years, exposure to IoT-related systems

Tech Stack

Frontend: Next.js, JavaScript

Backend: Python, FastAPI, Django / Flask (nice-to-have)

AI / Data: OpenAI, LangChain, Data Science, NumPy, NLP, Databricks, Spark

Databases: MongoDB, PostgreSQL

DevOps / Cloud: Azure, Terraform, Kubernetes, CI/CD

Other: Orleans, SignalR, ELK Stack, CQRS, IoT, Cybersecurity