Senior Python & React Engineer for Scalable Web Apps

GFT Technologies SE; Polska; Hybrid; PLN 172,000 - 220,000; Full time

Job summary

GFT Poland Sp. z o.o. is seeking an experienced backend engineer to build scalable web applications in Python with FastAPI and to work across the stack with React. You will design robust APIs, optimize PostgreSQL/Redis databases, and deploy using AWS, Docker, and Kubernetes in a hybrid work setup including Kraków.

The role emphasizes CI/CD, automated testing, and exploration of GenAI features with LangChain/OpenAI APIs. Strong Python and API design skills are essential.

Qualifications

• Strong Python engineering experience.
• Hands-on experience with FastAPI or similar Python web frameworks.
• Experience building web UIs with React.
• Solid understanding of RESTful API design and backend development.
• Practical SQL skills and experience with PostgreSQL.
• Experience with Redis or other NoSQL solutions.
• Experience with Docker and container-based development.
• Experience with Kubernetes or strong motivation to learn it quickly.
• Experience working with AWS in production or near-production environments.
• Experience with CI/CD pipelines and automated testing.
• Openness to hybrid work 6 days a month from our client office (Kraków).

Responsibilities

• Develop scalable web applications using Python with FastAPI.
• Build user-facing functionality and work across the stack with React.
• Design and optimize relational and non-relational databases including PostgreSQL and Redis.
• Implement vector search solutions using PGVector where applicable.
• Develop and maintain RESTful APIs and backend services.
• Work with AWS services to deploy and operate applications.
• Containerize services using Docker and orchestrate workloads with Kubernetes.
• Apply CI/CD practices and maintain automated test suites.
• Collaborate with engineers and stakeholders to deliver increments end to end.
• Explore or contribute to GenAI-enabled features using tools such as LangChain and OpenAI APIs

Skills

Python

FastAPI

React

REST API

PostgreSQL

Redis

Docker

Kubernetes

AWS

CI/CD

Hybrid work Kraków

Tools

LangChain

OpenAI APIs

Job description

GFT Poland Sp. z o.o. is seeking an experienced backend engineer to build scalable web applications in Python with FastAPI and to work across the stack with React. You will design robust APIs, optimize PostgreSQL/Redis databases, and deploy using AWS, Docker, and Kubernetes in a hybrid work setup including Kraków.

The role emphasizes CI/CD, automated testing, and exploration of GenAI features with LangChain/OpenAI APIs. Strong Python and API design skills are essential.