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Senior Backend Developer (f/m/d)
  • Warsaw
Senior Backend Developer (f/m/d)
Warszawa, Warsaw, Masovian Voivodeship, Polska
Axpo Polska sp. z o.o.
5. 9. 2025
Informacje o stanowisku

technologies-expected :


  • Airflow
  • Terraform
  • Kubernetes
  • Docker
  • GitLab
  • Jira
  • Python

responsibilities :


  • Design, develop, and maintain robust backend services using Python, focusing on performance and reliability.
  • Build and maintain backend systems that support trading workflows and data pipelines.
  • Ensure system performance, reliability, and scalability in a data-intensive environment.
  • Work with Google Cloud Platform (GCP) services, including BigQuery and Cloud Functions.
  • Participate in the design and implementation of data pipelines using Airflow.
  • Manage infrastructure as code using Terraform.
  • Collaborate closely with traders, analysts, and product owners to deliver business-critical features.
  • Translate trading requirements into technical solutions in cooperation with business stakeholders.
  • Conduct testing and validation of automated processes.
  • Write clean, maintainable, and well-documented code.
  • Actively participate in Scrum ceremonies such as sprint planning, retrospective, daily stand-up, and sprint review.
  • Assist in debugging, troubleshooting, and optimizing application performance.
  • Participate in code reviews and knowledge-sharing sessions.
  • Mentor and guide less experienced developers.
  • Contribute to the continuous improvement of development processes and tools.

requirements-expected :


  • Bachelor’s or Master’s degree in Computer Science, Mathematics, Data Science, or a related field.
  • Strong experience in backend development with Python.
  • Proficiency with GCP, BigQuery, and cloud-native development practices.
  • Experience with parallel processing and asynchronous data handling.
  • Experience with Airflow, Terraform, Docker, and Kubernetes.
  • Familiarity with Agile methodologies and tools such as Jira and GitLab.
  • Ability to design scalable, fault-tolerant systems for data-intensive applications.
  • Ability to translate high-level business requirements into technical solutions.
  • Experience in trading, finance, or real-time data processing is a strong plus.
  • Ability to read and write technical documentation in English.
  • High ethical standards and a commitment to empowering team members and promoting collaboration.
  • Openness to innovation and commitment to continuous improvement.
  • Ability to guide cross-functional teams and influence stakeholders without direct authority.
  • Strong organizational skills with attention to detail.
  • Proactive, self-starter who can work independently.
  • Excellent problem-solving and analytical skills, with the ability to foresee issues and propose solutions.
  • Strong communication skills: convey information clearly, listen actively, and foster open dialogue.
  • Emotional intelligence: understand and manage emotions effectively, empathize with team members.
  • Decision-making skills: make informed, effective decisions and align goals with broader organizational objectives.
  • Flexibility and adaptability in a fast-paced, dynamic environment.
  • Accountability: take responsibility for outcomes and drive initiatives from concept to implementation.
  • Committed to continuous learning and improvement.
  • Fluency in both Polish and English is mandatory.

offered :


  • Development in an international company that is shaping the face of the energy market.
  • A progressive medical care package that takes care of your health and well-being.
  • Co-financing of the Multisport card, enabling the use of various forms of physical activity.
  • Foreign language classes during working hours.
  • Flexible working hours and the possibility to work in hybrid mode.
  • An office with a beautiful view, located in the city center.
  • A motivated team, ready to guide you through your daily challenges

benefits :


  • sharing the costs of sports activities
  • private medical care
  • sharing the costs of foreign language classes
  • flexible working time
  • integration events
  • holiday funds
  • employee referral program
  • charity initiatives

  • Praca Warszawa
  • Warszawa - Oferty pracy w okolicznych lokalizacjach


    105 139
    18 619