About this role
<p><span style="font-family:tahoma, arial, helvetica, sans-serif;font-size:14.0pt"><strong>Type of contract: </strong>B2B contract</span><br><span style="font-family:tahoma, arial, helvetica, sans-serif;font-size:14.0pt"><strong>Salary range: </strong>125-160 PLN/H</span></p> <p> </p> <p><strong><span style="font-family:tahoma, arial, helvetica, sans-serif">What will you do? </span></strong></p> <p> </p> <p><span style="font-family:tahoma, arial, helvetica, sans-serif">You will build and evolve scalable web applications in Python and work across the stack with React to deliver high-quality features. You will design data solutions, develop robust APIs, and collaborate closely with the team to ship reliably using CI/CD and automated testing, with an option to explore GenAI use cases.</span></p> <p> </p> <p><strong><span style="font-family:tahoma, arial, helvetica, sans-serif">Your tasks </span></strong></p> <p> </p> <ul> <li><span style="font-family:tahoma, arial, helvetica, sans-serif">Develop scalable web applications using Python with FastAPI.</span></li> <li><span style="font-family:tahoma, arial, helvetica, sans-serif">Build user-facing functionality and work across the stack with React.</span></li> <li><span style="font-family:tahoma, arial, helvetica, sans-serif">Design and optimize relational and non-relational databases including PostgreSQL and Redis.</span></li> <li><span style="font-family:tahoma, arial, helvetica, sans-serif">Implement vector search solutions using PGVector where applicable.</span></li> <li><span style="font-family:tahoma, arial, helvetica, sans-serif">Develop and maintain RESTful APIs and backend services.</span></li> <li><span style="font-family:tahoma, arial, helvetica, sans-serif">Work with AWS services to deploy and operate applications.</span></li> <li><span style="font-family:tahoma, arial, helvetica, sans-serif">Containerize services using Docker and orchestrate workloads with Kubernetes.</span></li> <li><span style="font-family:tahoma, arial, helvetica, sans-serif">Apply CI/CD practices and maintain automated test suites.</span></li> <li><span style="font-family:tahoma, arial, helvetica, sans-serif">Collaborate with engineers and stakeholders to deliver increments end to end.</span></li> <li><span style="font-family:tahoma, arial, helvetica, sans-serif">Explore or contribute to GenAI-enabled features using tools such as LangChain and OpenAI APIs</span></li> </ul> <p> </p> <p><span style="font-family:tahoma, arial, helvetica, sans-serif"><strong>Requirements</strong></span></p> <p> </p> <ul> <li><span style="font-family:tahoma, arial, helvetica, sans-serif">Strong Python engineering experience.</span></li> <li><span style="font-family:tahoma, arial, helvetica, sans-serif">Hands-on experience with FastAPI or similar Python web frameworks.</span></li> <li><span style="font-family:tahoma, arial, helvetica, sans-serif">Experience building web UIs with React.</span></li> <li><span style="font-family:tahoma, arial, helvetica, sans-serif">Solid understanding of RESTful API design and backend development.</span></li> <li><span style="font-family:tahoma, arial, helvetica, sans-serif">Practical SQL skills and experience with PostgreSQL.</span></li> <li><span style="font-family:tahoma, arial, helvetica, sans-serif">Experience with Redis or other NoSQL solutions.</span></li> <li><span style="font-family:tahoma, arial, helvetica, sans-serif">Experience with Docker and container-based development.</span></li> <li><span style="font-family:tahoma, arial, helvetica, sans-serif">Experience with Kubernetes or strong motivation to learn it quickly.</span></li> <li><span style="font-family:tahoma, arial, helvetica, sans-serif">Experience working with AWS in production or near-production environments.</span></li> <li><span style="font-family:tahoma, arial, helvetica, sans-serif">Experience with CI/CD pipelines and automated testing.</span></li> <li style="font-family:tahoma, arial, helvetica, sans-serif"><span style="font-family:tahoma, arial, helvetica, sans-serif">Openness to hybrid work 6 days a month from our client office (Kraków). </span></li> </ul> <p> </p> <p><span style="font-family:tahoma, arial, helvetica, sans-serif"><strong>Nice to have</strong> </span></p> <p> </p> <ul> <li><span style="font-family:tahoma, arial, helvetica, sans-serif">Experience with PGVector or vector databases.</span></li> <li><span style="font-family:tahoma, arial, helvetica, sans-serif">Experience building GenAI applications using LangChain.</span></li> <li><span style="font-family:tahoma, arial, helvetica, sans-serif">Experience integrating or using OpenAI APIs or similar LLM providers.</span></li> <li><span style="font-family:tahoma, arial, helvetica, sans-serif">Experience with modern observability tooling such as logging metrics and tracing.</span></li> <li><span style="font-family:tahoma, arial, helvetica, sans-serif">Experience with performance tuning and scalability for high-traffic systems</span></li> </ul> <p> </p> <p><span style="font-family:tahoma, arial, helvetica, sans-serif;font-size:10.0pt"><strong>GDPR clause </strong></span></p> <p> </p> <p><span style="font-family:tahoma, arial, helvetica, sans-serif;font-size:10.0pt"><em>Based on Regulation (EU) 2016/679 of the European Parliament and of the Council of 27 April 2016 on the protection of natural persons with regard to the processing of personal data and on the free movement of such a data and repealing Directive 95 /46/EC (known as a “GDPR”), I hereby give consent to GFT Poland Sp. z o.o. (90-118 Łódź, ul. Kilińskiego 66) to process my personal data for the purpose of: a) ongoing recruitment process for the position I am applying; b) recruitment processes organized in the future.</em> </span></p>