Python Developer

SBC Performance drives scalable growth for brands ready to expand globally. Working across eCommerce, health & wellness, education, and entertainment, our team helps brands acquire customers faster and scale across 26+ global markets. We combine data-driven paid media, performance creative, and advanced analytics to turn marketing into a predictable revenue engine. Trusted by 200+ companies, managing $150M+ in ad spend. Scale faster. Grow smarter. Right now, we're looking for a Python Developer to join our Product & Engineering Team and help build a scalable AdTech and AI-powered platform. Key Responsibilities: Implement server-side (backend) logic according to technical requirements and product specifications Develop and maintain backend services using Python (FastAPI) and asynchronous architectures Design, implement, and optimize REST and GraphQL APIs, including integrations with external systems Work with relational and NoSQL databases, including data modeling, query optimization, and migrations Integrate external services and APIs (AI services, advertising platforms, cloud storage, media processing) Participate in architectural discussions and contribute to technology and design decisions Ensure technical documentation remains up to date (README files, diagrams, API specifications) Collaborate with product, data, QA, and DevOps teams to deliver reliable, scalable solutions Requirements: 3+ years of experience with Python in production Hands-on experience with PostgreSQL (asyncpg, SQLAlchemy async, Alembic) and MongoDB (Motor); ability to design schemas and optimize queries Experience implementing authentication and security (JWT, bcrypt, passlib) Background processing and messaging using Celery, Redis, and/or Pub/Sub–style queues Experience integrating external APIs and services, including AI services (OpenAI), advertising platforms, and cloud storage Familiarity with Google Cloud Platform, containerization (Docker, Docker Compose), and basic Nginx configuration Understanding of scalable system design, async error handling, and performance optimization Ability to participate in architectural discussions, make technical decisions, and maintain clear technical documentation (README, API specs) English level of B2 or higher What We Offer Hybrid job in Prague/Warsaw or remote Competitive compensation Flexible working hours: we start our operation day between 9:00 — 11:00 CET All necessary equipment Paid vacation and sick leaves Educational support: reimbursement of certification, training, and a knowledge-sharing atmosphere Company events and multiple internal activities Open feedback and transparent direct communication