AI Backend Python Developer (Hybrid in Gdynia)
Location: Gdynia / Hybrid ( 2 days remote)
Type: B2B orEmployment contract
Salary: 15-20k B2B
About Profil Software
We're a Software House from Gdynia with over 15 years of experience in creating innovative web and mobile applications using Python and JavaScript.
Our team of 60+ experienced professionals - developers, testers, and UX designers - delivers high-quality software solutions for startups and SMBs across 10+ countries on 4 continents.
We value a friendly working atmosphere, knowledge sharing, and continuous development.
About the Role
We're looking for a AI Backend Developer (Python) with interest or experience in AI/ML and Generative AI, who will join our team and help deliver international projects for startups and B2B clients.
You'll work in Agile teams, collaborating closely with developers, designers, and testers. If you enjoy both coding and client collaboration, and want to work on projects that combine technology, data, and AI-driven innovation - you'll fit right in.
Your Responsibilities
Develop and maintain backend solutions using Python (Django, Django REST Framework, FastAPI)
Design and implement RESTful
APIs and integrate with external systems
Work with ORM tools such as Django
ORM or SQLAlchemy
Build and integrate AI -powered
features (LLMs, GenAI APIs) into backend systems
Implement RAG (Retrieval-Augmented Generation) pipelines and AI -driven
search solutions
Work with vector
databases (e.g., pgvector, Pinecone) and hybrid search approaches
Collaborate on ML /AI integrations and support ML lifecycle (basic MLOps practices)
Write clean, efficient, and scalable code following best practices
Deploy and maintain applications using Docker
Collaborate with cross-functional teams in Agile environments
Participate in code reviews and knowledge-sharing sessions
What We Expect
Python Core: Proven experience with Python and frameworks like Django, Django REST Framework, or FastAPI.
Database & Tools: Solid understanding of ORM tools (Django ORM, SQLAlchemy) and API development.
DevOps Basics: Practical knowledge of Docker and containerization.
Software Craftsmanship: Strong grasp of clean code, design patterns, and distributed task queues (Celery).
AI/ML Interest & Foundations: Good understanding of machine learning concepts, LLMs, and GenAI APIs (e.g., OpenAI, Anthropic).
Willingness to learn: Openness to work with RAG architectures, vector databases (Pinecone, pgvector), and frameworks like LangChain or LangGraph.
Communication: English at B2+ level (direct contact with international clients).
Nice to Have
Hands-on experience with LangChain, LangGraph, or vector databases.
Experience with Cloud platforms (AWS, Azure, or GCP).
Basic understanding of CI/CD pipelines (GitLab CI, GitHub Actions) and Frontend (React).
Degree in Computer Science or related field.
What We Offer
Hybrid work - 2 days in the office / 3 days remote
Competitive salary based on experience
Paid holidays for B2B contracts (employment option available)
English lessons with a native speaker (twice a week)
Access to training courses, workshops, and an online learning base
Training budget + ability to request courses or books
A workplace tailored to your needs - ergonomic setup, adjustable desk, and top-quality hardware
Sponsored trips to conferences and tech meetups (Poland & abroad)
Gym & personal trainer in the office
Relaxation zone - meditation area & fun room (billiard, ping-pong, XBOX)
Friendly, engaging atmosphere with competitions, board game evenings, and charity initiatives
Monthly team lunches & integration meetings
Co-funding for Medicover and MultiSport cards
Startup atmosphere focused on collaboration, innovation, and growth
Recruitment Process
We believe in transparency - here's what you can expect:
1⃣ First stage - HR interview (remote):
You'll meet Weronika, our HR Specialist, who will tell you more about the role and learn about your experience and expectations.
2⃣ Second stage - onsite meeting in Gdynia:
You'll visit our office in Gdynia to meet your potential Team Leader, see the workspace, and complete a short technical task related to the position.
3⃣ Final stage - cooperation discussion (remote):
An online meeting focused on potential collaboration and final details.
Ready to build something great with us?
Send your CV or GitHub/portfolio to [email protected]

