Programmatic Software Engineer

🏢 Summary: Senior TypeScript Engineer role focused on building and maintaining internal tools, web applications, and TypeScript libraries in a Deep Learning-powered AdTech environment. The position involves working with modern frameworks, shaping project tech stacks, and solving complex engineering challenges. Candidates will work with cloud technologies, testing practices, and scalable backend/frontend solutions. 🗂️ Requirements: Strong knowledge of TypeScript, Strong knowledge of Node.js, Experience with NestJS, Experience with React, Experience with Next.js, Experience with Google Cloud Platform, Experience with Docker, Minimum 5 years of professional experience, Knowledge of OOP principles, Knowledge of clean code and clean architecture, Familiarity with design patterns, Experience writing unit tests, Experience writing end-to-end tests, Very good knowledge of Git, Very good knowledge of Linux, Solid understanding of SQL, Communicative English 📃 Skills: TypeScript, Node.js, NestJS, React, Next.js, GCP, Docker, Git, Linux, SQL, OOP 🏢 Description: We Are: RTB House is a next-generation performance demand-side platform (DSP) that uses proprietary Deep Learning AI algorithms to help brands grow. The company is the market leader in driving performance using Deep Learning across the entire purchase funnel. Founded in 2012, and now operating in 90+ markets, RTB House has always been private-by-design. It embraces first-party advertising and a relentless approach to innovation. RTB House offers end-to-end Deep Learning-powered AdTech products and solutions to maximize conversion, drive new customer acquisition, create engagement, and fuel long-term demand for a global base of clients. As a Senior TypeScript Engineer, you will play a key role in designing, developing, and maintaining internal tools and libraries that support our teams across the organization. You will have the opportunity to work with the latest frameworks and libraries, shape the tech stack for each project, and tackle complex development challenges that require creativity and innovation. You Will: - Develop and maintain internal tools using a variety of technologies. - Build web applications (TypeScript) that support team workflows. - Design, develop, and maintain internal TypeScript libraries. - Select and adapt the most suitable libraries and frameworks for each project. - Solve complex development challenges with a creative, problem-solving approach. Desired Experience: - Strong knowledge of TypeScript and Node.js. - Experience with NestJS. - Hands-on experience with React / Next.js. - Experience with Google Cloud Platform (GCP). - Experience with Docker. - Minimum of 5 years of professional experience with the above technologies. - Knowledge of OOP principles, clean code, and clean architecture. - Familiarity with design patterns and the ability to apply them. - Experience in writing unit tests and end-to-end tests. - Very good knowledge of Git and Linux. - Solid understanding of SQL. - Communicative level of English. - Independence, proactivity, and eagerness to learn and grow. Nice to Have: - Knowledge of Google Analytics or Google Tag Manager. - Previous experience in the AdTech/Advertising industry. We Offer: - The opportunity to contribute to one of the most exciting online projects in Poland with global reach. - Hands-on experience in RTB, the fastest-growing and most innovative area of online advertising. - Development-focused tasks and a strong emphasis on continuous learning and skill improvement. Apply now! You don't need to tick every box to apply. If you are passionate about digital marketing, send us your CV, and we'll review it.

🏢 Summary: Senior TypeScript Engineer role focused on developing and maintaining internal tools, web applications, and TypeScript libraries in a modern AdTech environment. The position involves working with TypeScript, Node.js, React, Next.js, NestJS, GCP, and Docker to solve complex engineering challenges and shape project tech stacks. The offer includes work on globally scaled advertising solutions with a strong focus on continuous development and innovation. 🗂️ Requirements: Strong knowledge of TypeScript, Strong knowledge of Node.js, Experience with NestJS, Experience with React, Experience with Next.js, Experience with Google Cloud Platform, Experience with Docker, Minimum 5 years of professional experience, Knowledge of OOP principles, Knowledge of clean code and clean architecture, Knowledge of design patterns, Experience with unit testing, Experience with end-to-end testing, Very good knowledge of Git, Very good knowledge of Linux, Solid understanding of SQL, Communicative English 📃 Skills: TypeScript, Node.js, NestJS, React, Next.js, GCP, Docker, OOP, SQL, Git, Linux 🏢 Description: We Are: RTB House is a next-generation performance demand-side platform (DSP) that uses proprietary Deep Learning AI algorithms to help brands grow. The company is the market leader in driving performance using Deep Learning across the entire purchase funnel. Founded in 2012, and now operating in 90+ markets, RTB House has always been private-by-design. It embraces first-party advertising and a relentless approach to innovation. RTB House offers end-to-end Deep Learning-powered AdTech products and solutions to maximize conversion, drive new customer acquisition, create engagement, and fuel long-term demand for a global base of clients. As a Senior TypeScript Engineer, you will play a key role in designing, developing, and maintaining internal tools and libraries that support our teams across the organization. You will have the opportunity to work with the latest frameworks and libraries, shape the tech stack for each project, and tackle complex development challenges that require creativity and innovation. You Will: - Develop and maintain internal tools using a variety of technologies. - Build web applications (TypeScript) that support team workflows. - Design, develop, and maintain internal TypeScript libraries. - Select and adapt the most suitable libraries and frameworks for each project. - Solve complex development challenges with a creative, problem-solving approach. Desired Experience: - Strong knowledge of TypeScript and Node.js. - Experience with NestJS. - Hands-on experience with React / Next.js. - Experience with Google Cloud Platform (GCP). - Experience with Docker. - Minimum of 5 years of professional experience with the above technologies. - Knowledge of OOP principles, clean code, and clean architecture. - Familiarity with design patterns and the ability to apply them. - Experience in writing unit tests and end-to-end tests. - Very good knowledge of Git and Linux. - Solid understanding of SQL. - Communicative level of English. - Independence, proactivity, and eagerness to learn and grow. Nice to Have: - Knowledge of Google Analytics or Google Tag Manager. - Previous experience in the AdTech/Advertising industry. We Offer: - The opportunity to contribute to one of the most exciting online projects in Poland with global reach. - Hands-on experience in RTB, the fastest-growing and most innovative area of online advertising. - Development-focused tasks and a strong emphasis on continuous learning and skill improvement. Apply now! You don't need to tick every box to apply. If you are passionate about digital marketing, send us your CV, and we'll review it.

🏢 Summary: Senior TypeScript Engineer role focused on designing, developing, and maintaining internal tools and libraries using modern TypeScript-based technologies. The position involves building web applications, shaping the tech stack, and solving complex engineering challenges in a Deep Learning-driven AdTech environment. The offer includes work on globally scaled projects with strong emphasis on innovation and continuous development. 🗂️ Requirements: Strong knowledge of TypeScript, Strong knowledge of Node.js, Experience with NestJS, Experience with React, Experience with Next.js, Experience with Google Cloud Platform (GCP), Experience with Docker, Minimum 5 years of professional experience with listed technologies, Knowledge of OOP principles, Knowledge of clean code and clean architecture, Familiarity with design patterns, Experience writing unit tests, Experience writing end-to-end tests, Very good knowledge of Git, Very good knowledge of Linux, Solid understanding of SQL, Communicative level of English 📃 Skills: TypeScript, Node.js, NestJS, React, Next.js, GCP, Docker, Git, Linux, SQL, OOP, TDD 🏢 Description: We Are: RTB House is a next-generation performance demand-side platform (DSP) that uses proprietary Deep Learning AI algorithms to help brands grow. The company drives performance using Deep Learning across the entire purchase funnel and offers end-to-end Deep Learning-powered AdTech products and solutions to maximize conversion, drive customer acquisition, create engagement, and fuel long-term demand for a global client base. Description: As a Senior TypeScript Engineer, you will design, develop, and maintain internal tools and libraries that support teams across the organization. You will work with modern frameworks and libraries, shape the tech stack for each project, and solve complex development challenges requiring creativity and innovation. Responsibilities: - Develop and maintain internal tools using various technologies. - Build web applications (TypeScript) that support team workflows. - Design, develop, and maintain internal TypeScript libraries. - Select and adapt suitable libraries and frameworks for each project. - Solve complex development challenges with a problem-solving approach. Desired Experience: - Strong knowledge of TypeScript and Node.js. - Experience with NestJS. - Hands-on experience with React / Next.js. - Experience with Google Cloud Platform (GCP). - Experience with Docker. - Minimum of 5 years of professional experience with the above technologies. - Knowledge of OOP principles, clean code, and clean architecture. - Familiarity with design patterns and ability to apply them. - Experience in writing unit tests and end-to-end tests. - Very good knowledge of Git and Linux. - Solid understanding of SQL. - Communicative level of English. - Independence, proactivity, and eagerness to learn and grow. Nice to Have: - Knowledge of Google Analytics or Google Tag Manager. - Previous experience in the AdTech/Advertising industry. Benefits: - Opportunity to contribute to a high-impact online project with global reach. - Hands-on experience in RTB and innovative online advertising solutions. - Development-focused tasks with strong emphasis on continuous learning and skill improvement.

🏢 Summary: Senior TypeScript Engineer role focused on designing, developing, and maintaining internal tools and libraries to support organizational workflows. The position involves building TypeScript-based web applications, shaping the tech stack, and solving complex development challenges using modern frameworks and cloud technologies. The role emphasizes clean architecture, testing, and scalable solutions in a cloud environment. 🗂️ Requirements: Minimum 5 years of professional experience with TypeScript and Node.js, Strong knowledge of TypeScript and Node.js, Experience with NestJS, Hands-on experience with React or Next.js, Experience with Google Cloud Platform, Experience with Docker, Knowledge of OOP principles and clean architecture, Ability to apply design patterns, Experience writing unit tests and end-to-end tests, Very good knowledge of Git, Very good knowledge of Linux, Solid understanding of SQL, Communicative level of English 📃 Skills: TypeScript, Node.js, NestJS, React, Next.js, GCP, Docker, SQL, Git, Linux, OOP 🏢 Description: Location: Poland We Are: RTB House is a next-generation performance demand-side platform (DSP) that uses proprietary Deep Learning AI algorithms to help brands grow. The company is the market leader in driving performance using Deep Learning across the entire purchase funnel. Founded in 2012, and now operating in 90+ markets, RTB House has always been private-by-design. It embraces first-party advertising and a relentless approach to innovation. RTB House offers end-to-end Deep Learning-powered AdTech products and solutions to maximize conversion, drive new customer acquisition, create engagement, and fuel long-term demand for a global base of clients. As a Senior TypeScript Engineer , you will play a key role in designing, developing, and maintaining internal tools and libraries that support our teams across the organization. You will have the opportunity to work with the latest frameworks and libraries, shape the tech stack for each project, and tackle complex development challenges that require creativity and innovation. You Will: Develop and maintain internal tools using a variety of technologies. Build web applications (TypeScript) that support team workflows. Design, develop, and maintain internal TypeScript libraries. Select and adapt the most suitable libraries and frameworks for each project. Solve complex development challenges with a creative, problem-solving approach. Desired Experience: Strong knowledge of TypeScript and Node.js . Experience with NestJS . Hands-on experience with React / Next.js . Experience with Google Cloud Platform (GCP) . Experience with Docker . Minimum of 5 years of professional experience with the above technologies. Knowledge of OOP principles, clean code, and clean architecture. Familiarity with design patterns and the ability to apply them. Experience in writing unit tests and end-to-end tests. Very good knowledge of Git and Linux . Solid understanding of SQL . Communicative level of English . Independence, proactivity, and eagerness to learn and grow. Nice to Have: Knowledge of Google Analytics or Google Tag Manager . Previous experience in the AdTech/Advertising industry . We Offer: The opportunity to contribute to one of the most exciting online projects in Poland with global reach. Hands-on experience in RTB , the fastest-growing and most innovative area of online advertising. Development-focused tasks and a strong emphasis on continuous learning and skill improvement. Apply now! You don't need to tick every box to apply. If you are passionate about digital marketing, send us your CV, and we'll review it.

🏢 Summary: Technical role focused on supporting and investigating mobile app and mobile game retargeting campaigns globally, with emphasis on in-app attribution, tracking, and data analysis. The position involves diagnosing complex technical issues across internal systems, MMPs, and third-party integrations, and ensuring accurate campaign measurement and reporting. The role also contributes to improving tracking processes, integrations, and technical documentation. 🗂️ Requirements: Experience with in-app or web campaigns or in AdTech/digital marketing, Fluent English, Ability to analyze data using Excel or similar tools, Basic SQL knowledge, Basic JavaScript or other scripting language knowledge, Experience investigating attribution, tracking, and data discrepancies, Ability to perform root cause analysis using raw data, Experience with tagging and postback mapping, Ability to work with tracking systems or MMP integrations 📃 Skills: SQL, JavaScript, Excel, MMP, Appsflyer, Adjust, Branch, Firebase, GoogleAnalytics, Attribution, Tracking, Postbacks, Tagging, Redirection, AdTech 🏢 Description: RTB House is a next-generation performance demand-side platform (DSP) that uses proprietary Deep Learning AI algorithms to help brands grow. The company is the market leader in driving performance using Deep Learning across the entire purchase funnel. Founded in 2012, and now operating in 90+ markets, RTB House has always been private-by-design. It embraces first-party advertising and a relentless approach to innovation. RTB House offers end-to-end Deep Learning-powered AdTech products and solutions to maximize conversion, drive new customer acquisition, create engagement, and fuel long-term demand for a global base of clients. Our team in Poland consists of 5 people and is an integral part of our company’s global presence. We combine local expertise with our broader company vision. We are responsible for handling current technical issues in mobile apps/mobile games campaigns, run all over the globe. You Will: Handle technical tickets related to mobile app and mobile game retargeting campaigns run globally; Perform end-to-end technical investigations of in-app campaigns across RTB House systems, MMPs, and third-party integrations; Analyze and resolve complex attribution, tracking, redirection, and data consistency issues, including discrepancies between internal and external reports; Conduct root cause analysis using raw data (Excel, SQL, internal tools) and propose effective, long-term solutions; Review, validate, and support JavaScript-based tagging and postback mapping solutions; Collaborate closely with Technical Account Managers, Business Teams, and internal technical departments to diagnose and resolve issues; Participate in onboarding new advertisers and integrations from a technical perspective; Contribute to improving internal tools, monitoring, and processes related to in-app tracking and measurement; Act as a subject-matter expert for in-app attribution, tagging, and MMP integrations; Create and maintain clear technical documentation, tutorials, and best practices for internal teams. Desired Experience: Experience with in-app/web campaigns and/or experience in AdTech, digital marketing etc., Fluent English - the technical issues are discussed in this language on a daily basis; Ability to work with data and analyze data in Excel/different tools; Basic SQL knowledge; Basic JavaScript (or other scripting language) knowledge; Analytical approach to problem solving; Good communication skills, especially in terms of creating brief and precise descriptions of issues while being in touch with other departments; Good self-organizing skills. Nice to have: Knowledge what MMP platform stands for and how to use one (e.g. Appsflyer, Adjust, Branch); Experience with tracking systems/solutions (Google Analytics, MMP. Firebase, internal business intelligence system); Interest in new technologies, online advertising or e-commerce. We Offer: A flexible cooperation model — remote or hybrid — tailored to your preferences. Competitive salary and opportunities for growth. Form of cooperation: contract of mandate or B2B contract. Collaboration with an award-winning organization that shapes the future of online marketing globally and is, on top, one of the fastest-growing tech companies in Europe, Deloitte - Fast 50 CE and Financial Times 1000: Europe’s Fastest-Growing Companies. Opportunity to provide services in a truly international environment with the best people in one of the fastest-growing segments of online advertising with a proven history of customer satisfaction with our AI-powered retargeting technology. Opportunity to collaborate at the forefront of the ad-tech industry, shaping the future of digital advertising through data-driven insights.

🏢 Summary: Technical role focused on supporting and troubleshooting global mobile app and mobile game retargeting campaigns within a Deep Learning-powered AdTech platform. The position involves end-to-end investigation of in-app tracking, attribution, and integration issues, working closely with internal teams and external partners. The role also includes onboarding integrations, improving tracking processes, and acting as an expert in in-app measurement and MMP integrations. 🗂️ Requirements: Experience with in-app or web campaigns, Experience in AdTech or digital marketing, Fluent English, Ability to analyze data in Excel or similar tools, Basic SQL knowledge, Basic JavaScript or scripting knowledge, Ability to investigate attribution and tracking issues, Experience with technical integrations and third-party systems 📃 Skills: SQL, JavaScript, Excel, Appsflyer, Adjust, Branch, GoogleAnalytics, Firebase, MMP, AdTech, Attribution, Tracking, Postbacks, DSP 🏢 Description: RTB House is a next-generation performance demand-side platform (DSP) that uses proprietary Deep Learning AI algorithms to help brands grow. The company is the market leader in driving performance using Deep Learning across the entire purchase funnel. Founded in 2012, and now operating in 90+ markets, RTB House has always been private-by-design. It embraces first-party advertising and a relentless approach to innovation. RTB House offers end-to-end Deep Learning-powered AdTech products and solutions to maximize conversion, drive new customer acquisition, create engagement, and fuel long-term demand for a global base of clients. Our team in Poland consists of 5 people and is an integral part of our company’s global presence. We combine local expertise with our broader company vision. We are responsible for handling current technical issues in mobile apps/mobile games campaigns, run all over the globe. You Will: Handle technical tickets related to mobile app and mobile game retargeting campaigns run globally; Perform end-to-end technical investigations of in-app campaigns across RTB House systems, MMPs, and third-party integrations; Analyze and resolve complex attribution, tracking, redirection, and data consistency issues, including discrepancies between internal and external reports; Conduct root cause analysis using raw data (Excel, SQL, internal tools) and propose effective, long-term solutions; Review, validate, and support JavaScript-based tagging and postback mapping solutions; Collaborate closely with Technical Account Managers, Business Teams, and internal technical departments to diagnose and resolve issues; Participate in onboarding new advertisers and integrations from a technical perspective; Contribute to improving internal tools, monitoring, and processes related to in-app tracking and measurement; Act as a subject-matter expert for in-app attribution, tagging, and MMP integrations; Create and maintain clear technical documentation, tutorials, and best practices for internal teams. Desired Experience: Experience with in-app/web campaigns and/or experience in AdTech, digital marketing etc., Fluent English - the technical issues are discussed in this language on a daily basis; Ability to work with data and analyze data in Excel/different tools; Basic SQL knowledge; Basic JavaScript (or other scripting language) knowledge; Analytical approach to problem solving; Good communication skills, especially in terms of creating brief and precise descriptions of issues while being in touch with other departments; Good self-organizing skills. Nice to have: Knowledge what MMP platform stands for and how to use one (e.g. Appsflyer, Adjust, Branch); Experience with tracking systems/solutions (Google Analytics, MMP. Firebase, internal business intelligence system); Interest in new technologies, online advertising or e-commerce. We Offer: A flexible cooperation model — remote or hybrid — tailored to your preferences. Competitive salary and opportunities for growth. Form of cooperation: contract of mandate or B2B contract. Collaboration with an award-winning organization that shapes the future of online marketing globally and is, on top, one of the fastest-growing tech companies in Europe, Deloitte - Fast 50 CE and Financial Times 1000: Europe’s Fastest-Growing Companies. Opportunity to provide services in a truly international environment with the best people in one of the fastest-growing segments of online advertising with a proven history of customer satisfaction with our AI-powered retargeting technology. Opportunity to collaborate at the forefront of the ad-tech industry, shaping the future of digital advertising through data-driven insights.

🏢 Summary: Mid+/Senior Software Engineer role focused on building and maintaining internal automation and monitoring platforms that support real-time bidding systems. The position involves developing reusable components, internal Python libraries, and scalable APIs within a microservices architecture. The engineer will collaborate with cross-functional teams to deliver reliable, extensible backend solutions. 🗂️ Requirements: Solid backend development experience with Python, Experience building platforms, frameworks, or developer tools, Experience with relational databases and writing efficient SQL queries, Experience designing RESTful or GraphQL APIs, Experience with asynchronous programming, Understanding of microservices architecture and system design, Experience writing and maintaining unit and integration tests, Ability to design scalable and extensible systems 📃 Skills: Python, FastAPI, PostgreSQL, BigQuery, GraphQL, Ariadne, SQL, Pub/Sub, Pydantic, dataclasses, Pytest, Sentry, Prometheus, Grafana, GitHub, GCP, Kubernetes, REST, Microservices 🏢 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 Mid+/Senior Software Engineer to join our internal team at RTB House. You will work on applications and tools that directly support our real-time bidding business, collaborating with experienced engineers and product teams. This position is ideal for developers who want to grow their skills, solve real-world problems, and build reliable software that makes a visible difference. You Will: Design, develop, and maintain our internal Automation and Monitoring platforms. Design and build new, reusable components and 'steps' for our low-code automation platform, enabling teams across the company to build their own workflows. Contribute to the development of internal Python libraries and shared frameworks that are the foundation for other services. Write and maintain unit/integration tests to ensure platform reliability and code quality. Identify issues and propose improvements to enhance platform architecture, API design, and framework usability. Collaborate with other engineering teams to understand their needs and deliver new platform capabilities. Apply best practices in API design, microservices architecture, and building extensible systems. Desired Experience: Solid experience in backend development, ideally in building platforms, frameworks, or developer tools with Python. Familiarity with relational databases and ability to write efficient SQL queries. Deep understanding and hands-on experience in designing clean, extensible APIs (RESTful, GraphQL). Experience in asynchronous programming. Good understanding of system design concepts related to microservices architecture, scalability, and multi-tenant platforms. Experience with writing and maintaining tests. Problem-solving skills and the ability to work methodically through complex architectural challenges. Good communication skills and ability to work in a team. 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 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

🏢 Summary: The offer is for a Mid+/Senior Software Engineer to build and enhance internal automation and monitoring platforms supporting a real-time bidding business. The role focuses on backend development, reusable components, internal frameworks, and scalable microservices-based systems. It involves close collaboration with engineering teams to deliver reliable, extensible, and high-quality platform solutions. 🗂️ Requirements: Solid backend development experience with Python, Experience building platforms, frameworks, or developer tools, Ability to design clean, extensible APIs (RESTful or GraphQL), Experience with relational databases and writing efficient SQL queries, Experience in asynchronous programming, Understanding of microservices architecture and system design, Experience writing and maintaining unit and integration tests, Knowledge of scalability and multi-tenant architectures 📃 Skills: Python, FastAPI, PostgreSQL, BigQuery, GraphQL, Ariadne, SQL, Pub/Sub, Pydantic, dataclasses, Pytest, Sentry, Prometheus, Grafana, GitHub, GCP, Kubernetes 🏢 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 Mid+/Senior Software Engineer to join our internal team at RTB House. You will work on applications and tools that directly support our real-time bidding business, collaborating with experienced engineers and product teams. This position is ideal for developers who want to grow their skills, solve real-world problems, and build reliable software that makes a visible difference. You Will: Design, develop, and maintain our internal Automation and Monitoring platforms. Design and build new, reusable components and 'steps' for our low-code automation platform, enabling teams across the company to build their own workflows. Contribute to the development of internal Python libraries and shared frameworks that are the foundation for other services. Write and maintain unit/integration tests to ensure platform reliability and code quality. Identify issues and propose improvements to enhance platform architecture, API design, and framework usability. Collaborate with other engineering teams to understand their needs and deliver new platform capabilities. Apply best practices in API design, microservices architecture, and building extensible systems. Desired Experience: Solid experience in backend development, ideally in building platforms, frameworks, or developer tools with Python. Familiarity with relational databases and ability to write efficient SQL queries. Deep understanding and hands-on experience in designing clean, extensible APIs (RESTful, GraphQL). Experience in asynchronous programming. Good understanding of system design concepts related to microservices architecture, scalability, and multi-tenant platforms. Experience with writing and maintaining tests. Problem-solving skills and the ability to work methodically through complex architectural challenges. Good communication skills and ability to work in a team. 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 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

🏢 Summary: Mid+/Senior Software Engineer role focused on building and enhancing internal automation and monitoring platforms supporting a real-time bidding system. The position involves developing reusable components, internal Python libraries, and scalable APIs within a microservices architecture. The role emphasizes reliability, extensibility, and close collaboration with engineering teams to deliver robust platform capabilities. 🗂️ Requirements: Solid backend development experience with Python, Experience building platforms, frameworks, or developer tools, Knowledge of relational databases and writing efficient SQL queries, Experience designing RESTful or GraphQL APIs, Experience in asynchronous programming, Understanding of microservices architecture and scalability, Experience writing and maintaining unit and integration tests, Knowledge of system design for multi-tenant platforms 📃 Skills: Python, FastAPI, PostgreSQL, BigQuery, GraphQL, Ariadne, SQL, Pub/Sub, Pydantic, dataclasses, Pytest, Sentry, Prometheus, Grafana, GitHub, GCP, Kubernetes, REST, Microservices 🏢 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 Mid+/Senior Software Engineer to join our internal team at RTB House. You will work on applications and tools that directly support our real-time bidding business, collaborating with experienced engineers and product teams. This position is ideal for developers who want to grow their skills, solve real-world problems, and build reliable software that makes a visible difference. You Will: Design, develop, and maintain our internal Automation and Monitoring platforms. Design and build new, reusable components and 'steps' for our low-code automation platform, enabling teams across the company to build their own workflows. Contribute to the development of internal Python libraries and shared frameworks that are the foundation for other services. Write and maintain unit/integration tests to ensure platform reliability and code quality. Identify issues and propose improvements to enhance platform architecture, API design, and framework usability. Collaborate with other engineering teams to understand their needs and deliver new platform capabilities. Apply best practices in API design, microservices architecture, and building extensible systems. Desired Experience: Solid experience in backend development, ideally in building platforms, frameworks, or developer tools with Python. Familiarity with relational databases and ability to write efficient SQL queries. Deep understanding and hands-on experience in designing clean, extensible APIs (RESTful, GraphQL). Experience in asynchronous programming. Good understanding of system design concepts related to microservices architecture, scalability, and multi-tenant platforms. Experience with writing and maintaining tests. Problem-solving skills and the ability to work methodically through complex architectural challenges. Good communication skills and ability to work in a team. 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 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

🏢 Summary: Mid+/Senior Software Engineer role focused on designing and developing internal automation and monitoring platforms supporting a real-time bidding system. The position involves building reusable components, internal Python libraries, and scalable microservices-based solutions with strong emphasis on API design and reliability. It offers hands-on work with modern backend technologies and cloud infrastructure in a high-impact environment. 🗂️ Requirements: Solid experience in backend development with Python, Experience building platforms, frameworks, or developer tools, Experience with relational databases and writing efficient SQL queries, Hands-on experience designing RESTful or GraphQL APIs, Experience with asynchronous programming, Understanding of microservices architecture and system design, Experience writing and maintaining unit and integration tests, Ability to design scalable and extensible systems 📃 Skills: Python, FastAPI, PostgreSQL, BigQuery, GraphQL, Ariadne, SQL, Pub/Sub, Pydantic, dataclasses, Pytest, Sentry, Prometheus, Grafana, GitHub, GCP, Kubernetes, REST 🏢 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 Mid+/Senior Software Engineer to join our internal team at RTB House. You will work on applications and tools that directly support our real-time bidding business, collaborating with experienced engineers and product teams. This position is ideal for developers who want to grow their skills, solve real-world problems, and build reliable software that makes a visible difference. You Will: Design, develop, and maintain our internal Automation and Monitoring platforms. Design and build new, reusable components and 'steps' for our low-code automation platform, enabling teams across the company to build their own workflows. Contribute to the development of internal Python libraries and shared frameworks that are the foundation for other services. Write and maintain unit/integration tests to ensure platform reliability and code quality. Identify issues and propose improvements to enhance platform architecture, API design, and framework usability. Collaborate with other engineering teams to understand their needs and deliver new platform capabilities. Apply best practices in API design, microservices architecture, and building extensible systems. Desired Experience: Solid experience in backend development, ideally in building platforms, frameworks, or developer tools with Python. Familiarity with relational databases and ability to write efficient SQL queries. Deep understanding and hands-on experience in designing clean, extensible APIs (RESTful, GraphQL). Experience in asynchronous programming. Good understanding of system design concepts related to microservices architecture, scalability, and multi-tenant platforms. Experience with writing and maintaining tests. Problem-solving skills and the ability to work methodically through complex architectural challenges. Good communication skills and ability to work in a team. 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 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