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Urgent! Senior Python Engineer Job Opening In Warsaw – Now Hiring Devire

Senior Python Engineer



Job description

Your future company

Devire IT Outsourcing is a form of cooperation dedicated to IT professionals, based on the principles of own business - B2B, implementing projects for clients running innovative and modern projects.

Together with our client, a global leader in AI-driven financial solutions, we are expanding their tech hub in Poland and seeking highly skilled Senior Python Engineers.

Requirements


  • Bachelor’s or Master’s degree in Computer Science, Information Technology, or a related field.

  • Minimum of 5 years of experience in software development, with a strong emphasis on Python for backend development and integrations.

  • Expertise in Python frameworks and libraries such as FastAPI, Flask, and Pydantic for building and validating robust APIs.

  • Being able to build user interfaces using Django or Streamlit is a plus

  • Hands-on experience with asynchronous programming using tools like AsyncIO and libraries such as Aiohttp.

  • Proficiency in serverless architectures and AWS services, including Lambda, API Gateway, S3, DynamoDB, Step Functions, and CloudWatch.

  • Familiarity with database technologies, including both SQL (PostgreSQL, MySQL) and NoSQL (MongoDB, Redis).

  • Strong knowledge of messaging and event-driven architectures using tools like Kafka, RabbitMQ, or AWS SQS/SNS.

  • Proficiency in containerization technologies like Docker and orchestration platforms such as Kubernetes.

  • Experience with CI/CD pipelines using tools like GitHub Actions, Jenkins, GitLab CI/CD, or AWS CodePipeline.

  • Familiarity with infrastructure-as-code tools like Terraform, CloudFormation, or Pulumi.

  • Solid understanding of data serialization formats like JSON, YAML, and Protocol Buffers (Protobuf).

  • Experience with testing frameworks and libraries, such as Pytest, Unittest, or Mock, to ensure code reliability.

  • Knowledge of logging and monitoring tools such as ELK Stack, Prometheus, Grafana, or Datadog.

  • Familiarity with modern authentication and authorization methods, including OAuth2, JWT, and SSO integrations (LDAP or Active Directory).

  • Experience working with APIs and SDKs for third-party integrations.

  • Knowledge of data engineering tools like Pandas, NumPy, Apache Spark, or Airflow for ETL processes and data pipelines.

  • Excellent problem-solving skills and ability to debug and troubleshoot complex systems effectively.

  • Outstanding organizational and time management skills.

  • Fluent in English with effective communication skills.

  • DevOps skills, including the ability to design and manage cloud-native architectures and microservices, are a significant advantage.

  • Responsibilities


  • Lead the development and ongoing enhancement of Python-based tools and integrations into AWS services, including

  • Lambda, and internal systems like Wiki-like platform and chatbots.

  • Design, develop, and maintain efficient, reusable, and reliable code for backend systems and integrations.

  • Ensure the performance, quality, and responsiveness of tools and applications.

  • Collaborate with a team of DevOps, Data Engineers and product managers to ideate and implement software solutions.

  • Develop and integrate server-side logic and functionality with user-facing elements as needed.

  • Implement security and data protection measures.

  • Enable user authentication and access control, including SSO and LDAP integration.

  • Analyze and improve the efficiency, scalability, and stability of various system resources.

  • Test software to ensure responsiveness, reliability, and efficiency.

  • Troubleshoot, debug, and upgrade software systems.

  • Write and maintain clear technical documentation.

  • The offer


  • Rate: 165 - 195 zł/h net + VAT (B2B)

  • Benefits: Multisport card, life insurance, and private medical care

  • Work Setup: Flexible hybrid work model from a modern office in Warsaw

  • Engagement: Long-term cooperation

  • Opportunity: Chance to contribute to the development of cutting-edge AI tools

  • Required Skill Profession

    Computer Occupations



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