Senior Python Software Engineer
Senior Python Software Engineer
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Job Description
Location: Poland
We Are:
RTB House is a global company that provides state-of-the-art marketing technologies for top brands and agencies worldwide. Its proprietary ad-buying engine is the first in the world to be powered entirely by Deep Learning algorithms enabling advertisers to generate outstanding results and reach their goals at every stage of the funnel.
We are looking for a Senior Python Software Engineer to join our internal team at RTB this role you will own complex technical challenges design and scale backend systems and deliver solutions that directly support our core business in real-time bidding. This position is ideal for engineers who thrive on problem-solving system design and building reliable software that has immediate the same time we combine local expertise with our broader company vision giving you both autonomy and the opportunity to contribute to a truly global product.
You Will:
- Design develop and maintain internal web applications responsible for ad campaigns management e.g. configuration monitoring automation
- Drive the design and implementation of jobs and processes integrating internal services at scale
- Take ownership of complex technical topics end-to-end: explore new domains clarify requirements decompose problems and deliver robust solutions
- Identify and eliminate bottlenecks implement performance optimizations to maximize efficiency scalability and reliability
- Write and maintain unit/integration tests to ensure code quality and long-term stability
- Shape and evolve internal Python libraries and frameworks used across teams
- Collaborate with cross-functional teams providing clear technical guidance and translating complex concepts into simple explanations
Desired Experience:
- Proven experience in backend development with Python writing reliable maintainable and testable code
- Strong knowledge of SQL relational/analytical databases indexing query optimization and performance tuning (PostgreSQL BigQuery)
- Experience in asynchronous programming and building distributed or event-driven systems
- Practical experience in designing APIs (REST GraphQL) and understanding of HTTP/web internals
- Solid understanding of system design fundamentals: scalability availability vs. consistency trade-offs caching data modeling
- Ability to independently lead technical initiatives: from exploring requirements evaluating alternatives making design trade-offs to implementation
- Experience in writing high-quality well-tested maintainable code
- Excellent problem-solving skills: structured thinking decomposition of complex issues prioritization
- Strong communication skills: ability to explain technical matters clearly to both engineers and non-technical stakeholders
- Fluency in English
- Comfort working in a fast-paced environment balancing multiple priorities effectively
Selected Technologies:
Backend: Python FastAPI
Databases: PostgreSQL BigQuery
GraphQL: Ariadne
Messaging: Google Pub/Sub
Data Handling & Validation: Pydantic dataclasses
Testing: Pytest
Monitoring: Sentry Prometheus Grafana
CI/CD: GitHub Actions
Cloud: GCP Kubernetes
We Offer:
- Being part of a small team with a high degree of autonomy and decision-making
- Attractive compensation
- Access to the latest technology in the developed solution
- Opportunity to build and improve our own products where long-term quality and reliability truly matter
- Participation in one of the most interesting projects of the online industry in Poland and one of the fastest growing technology companies in Europ
Apply now!
You dont need to tick every box to apply. If you are passionate about digital marketing send us your CV and well review it.
Required Experience:
Senior IC
Employment Type
Full Time
