Can You Solve Problems with Python?

SENIOR PYTHON DEVELOPER

HYBRID WORK. WARSAW PREFERRED.

You will be:

• Building important parts of the MRP system that is strong, fast, and ready for the future.

• Working on exciting, high-impact projects.

• Creating smart solutions that we can test quickly and improve as we go.

• Collaborating with awesome teammates from around the world—techies, analysts, project managers, and more.

• Build and maintain a strong, efficient framework for data transformation and reporting that supports business needs.

• Lead and mentor a team of local data engineers—set the tone, share your knowledge, and help the team grow.

• Design smart and scalable application architecture that follows best practices and meets both technical and business goals.

• Collaborate closely with business users to understand their needs and deliver practical, high-quality solutions.

• Be a key part of an Agile Scrum team, working together to deliver great results, sprint by sprint.

• Make sure your team writes clean, maintainable, and well-designed code that’s easy to understand and build on.

• Support production systems by identifying and fixing issues related to data, performance, or setup quickly and efficiently.

• Help test and maintain core software and databases to ensure everything runs smoothly and performs well.

• Contribute to every stage of the development process, from idea to release and beyond

• 6-12 years of experience in software development

• Python Expert – Deep hands-on experience with Python and its core libraries like pandas, numpy, json, requests, pyarrow, openpyxl, xlsxwriter, and testing tools like pytest and unittest. I follow solid principles of clean architecture, modular design, and design patterns.

• Data-Driven Development – Skilled in building and managing data-centric applications, from backend processing to reporting and integration with business logic.

• ETL & Data Integration – Comfortable working with diverse data formats (CSV, JSON, XML, Parquet, Avro, OLAP Cube, etc.) and designing ETL pipelines that clean, enrich, and transform data for downstream use.

• Modern Data Architecture – Experience with Lambda architecture, building unified pipelines that handle both batch and real-time data processing.

• API Development – Proficient in designing and integrating RESTful APIs to connect services and share data effectively.

• DevOps & Automation – Familiar with CI/CD practices using tools like Jenkins, streamlining deployment and testing processes.

• Agile Development 

• Database Knowledge – Strong understanding of relational databases like PostgreSQL and Oracle, with additional exposure to OLAP and MDX queries—great for analytical reporting.

• Problem-Solver – You enjoy building smart algorithms that turn raw data into meaningful insights, helping drive decision-making and business value.

• Java, AWS/Azure, Kafka/RabbitMQ

• Employment contract and/or Business to Business as you prefer
• Hybrid work
• Speaking English on daily basis, mainly in contact with foreign stakeholders and peers
• Multiple employee benefits packages (MyBenefit Cafeteria, private medical care, insurance)
• Access to 3.000+ Business Courses Platform (Udemy)
• Access to required IT equipment
• Ongoing learning opportunities to help you acquire new skills or deepen existing expertise
• Being part of the core squad focused on the growth of the Polish business unit
• A flat, non-hierarchical structure that will enable you to work with senior partners and directly with clients
• A work culture focused on innovation and creating lasting value for our clients and employees

• Screening call with the Recruiter
• Take home assignment
• Client interview
• Feedback/Offer

Any questions? Reach out: [email protected]

Joining Capco means joining an organisation that is committed to an inclusive working environment where you’re encouraged to #BeYourselfAtWork. We celebrate individuality and recognize that diversity and inclusion, in all forms, is critical to success. It’s important to us that we recruit and develop as diverse a range of talent as we can and we believe that everyone brings something different to the table – so we’d love to know what makes you different. Such differences may mean we need to make changes to our process to allow you the best possible platform to succeed, and we are happy to cater to any reasonable adjustments you may require. You will find the section to let us know of these at the bottom of your application form or you can mention it directly to your recruiter at any stage and they will be happy to help.