RTB House

Senior Python Software Engineer

RTB House

full-time

Posted on:

Location Type: Remote

Location: Poland

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Job Level

Senior

Tech Stack

BigQueryGraphQLPostgresPythonSQL

About the role

  • 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

Requirements

  • 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
Benefits
  • 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 Europe
Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools
PythonSQLPostgreSQLBigQueryasynchronous programmingAPI designRESTGraphQLsystem designunit testing
Soft Skills
problem-solvingstructured thinkingcommunicationtechnical guidanceindependent leadershipprioritizationcollaborationclarifying requirementsdecomposing problemstranslating complex concepts