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