Senior Python Developer @

1 week ago

Warszawa, Mazovia, Czech Republic Link Group Full time
  • At least 6 years of professional software development experience, ideally with exposure to distributed, high-performance systems (experience in financial services is a plus).
  • Strong expertise in server-side Python, including object-oriented programming, algorithms, data structures, concurrency, and performance optimization.
  • Practical knowledge of NumPy and Pandas for data analysis and computation.
  • Demonstrated ability to design, implement, and deliver production-ready software solutions.
  • Degree in Computer Science, Engineering, or a related technical field (Bachelor's or higher).
Nice to have
  • Proficiency in additional programming languages such as C#, Java, or C++.
  • Familiarity with platforms and tools like Kafka, Redis, MongoDB, MS SQL, and AWS.
  • Experience in data analysis with SQL, REST APIs, and Python-based frameworks.
  • Knowledge of Kubernetes and cloud-native infrastructures.
  • Understanding of financial instruments, derivatives, valuation, or risk management concepts.
  • Background with Agile practices and DevOps toolchains (e.g., JIRA, Git, TeamCity, Octopus Deploy).

We are looking for a seasoned Python Developer to join our technology team and contribute to the design and delivery of innovative solutions for complex business challenges. This position involves creating and improving platforms that handle advanced data processing, large-scale information management, automated reporting, and analytics.

The successful candidate will work closely with stakeholders across the organization to understand business needs, translate them into technical designs, and implement scalable applications. Beyond development, this role emphasizes process optimization, automation, and continuous improvement. We are seeking someone who is proactive, adaptable to shifting priorities, and genuinely passionate about both software engineering and the financial domain.

,[Build and maintain scalable applications in Python, ensuring high reliability and performance., Partner with business users and internal teams to define requirements and deliver impactful solutions., Develop systems for efficient processing, storage, and analysis of large datasets., Enhance automation and streamline processes to improve productivity and reduce operational overhead.] Requirements: Python, Server-side Python, Object-oriented programming, Algorithms, Data structures, Performance optimization, NumPy, Pandas, C#, Java, C++, Kafka, Redis, MongoDB, MS SQL, AWS, SQL, REST API, Python-based frameworks, Kubernetes, cloud-native infrastructures, Jira, Git, TeamCity, Octopus Deploy

  • Python Developer Role

    6 days ago

    Warszawa, Mazovia, Czech Republic beBeePython Full time €90,000 - €110,000

    Senior Python Engineer OpportunityWe are seeking an experienced Senior Python Engineer to contribute to the development of our internal tools at Klarna.You will design, build, and maintain microservices using Python, focusing on seamless integration with internal APIs and third-party systems.You will monitor system performance and user experience using...

  • Senior Python Developer @

    1 week ago

    Warszawa, Mazovia, Czech Republic Link Group Full time

    4+ years of professional experience as a backend developer using Python.Bachelor's degree in Computer Science, Engineering, or a related field.Experience with AWSProven experience designing and implementing backend systems from architecture to production.Strong skills in code optimization, performance tuning, and relational database design (MSSQL...

  • Senior Python Developer @

    6 days ago

    Warszawa, Mazovia, Czech Republic Spyrosoft Full time

    Proven commercial experience as a Senior Developer in Python – essential for backend development, scripting, and automation tasksMastery of Python language features, data structures (lists, dictionaries), web frameworks (Django, Flask, FastAPI), and testing (pytest)Experience with AWS EC2, Terraform, CloudFormation, and KubernetesFamiliarity with...

  • Senior Python Developer @

    2 weeks ago

    Warszawa, Mazovia, Czech Republic Capco Poland Full time

    WHAT MAKES YOU AWESOME6-12 years of experience in software developmentPython 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...

  • Senior Software Developer Position

    2 weeks ago

    Warszawa, Mazovia, Czech Republic beBeeSeniorSoftwareEngineer Full time 2,400,000 - 3,000,000

    Unlock Your PotentialWe are seeking an experienced software engineer to join our team as a senior software developer. This role involves taking ownership of test development and automation, ensuring the highest quality products meet customer expectations.Key Responsibilities:Develop, revise and maintain comprehensive test plans that align with product...

  • Lead Python Developer @

    6 days ago

    Warszawa, Mazovia, Czech Republic Spyrosoft Full time

    Strong proficiency in Python, with hands-on experience building RESTful APIs using FastAPI, Flask, or Django.Solid understanding of the AWS cloud platform, including services like Lambda and ECS, and a working knowledge of microservices architecture.Passion for AI technologies, with exposure to large language models (LLMs), natural language processing...

  • Senior Backend Developer

    5 days ago

    Warszawa, Mazovia, Czech Republic Link Group Full time

    6+ years of experience in backend software development.Strong expertise in Java and Scala.Proven track record in designing and building systems with large data volumes and high scalability.Solid skills in SQL development and debugging relational databases.Hands-on experience with cloud platforms (preferably AWS) and containerized microservice...

  • Staff Python Engineer @

    1 week ago

    Warszawa, Mazovia, Czech Republic Box Inc. Full time

    Candidate ProfileEssential Skills: Strong proficiency in Python, including debugging and profiling. Broad software engineering expertise across multiple languages and paradigms. Experience with distributed systems, Kubernetes, and cloud environments. Ability to debug complex system-level issues (threading, networking, VM behavior). Strong architectural...

  • Senior Treasury Python Engineer @

    5 days ago

    Warszawa, Mazovia, Czech Republic Spyrosoft Full time

    Requirements:Practical experience with Quantum or similar treasury management systems. Strong background in software development with the ability to work across multiple programming languages. Hands-on experience with cloud platforms and CI/CD processes (Jenkins, Terraform). Familiarity with agile practices such as TDD, pair programming, mob programming,...

  • Senior Software Developer

    2 weeks ago

    Warszawa, Mazovia, Czech Republic beBeeSoftwareEngineer Full time €60,000 - €80,000

    Job Title:We are seeking a seasoned software engineer to join our team in a digital hub.Key Responsibilities:Design, develop, and optimize data pipelines and workflows using Python and API.Implement data processing and transformation logic using Pandas and SQLAlchemy, with PySpark and Databricks knowledge as a plus.Develop and maintain relational database...