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Fullstack Developer (Python / FastAPI / Next.js)

Summary

Build and maintain fullstack applications using Python/FastAPI for backend and Next.js for frontend, integrating LLMs and deploying on Azure.

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


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