Fullstack Engineer

4 days ago

Kraków Warszawa, Czech Republic Antal Full time
  • Python (FastAPI, Flask, Django)
  • Data Processing – Pandas, Numpy, Airflow, Luigi
  • CI/CD – GitLab, Jenkins
  • Containerization – Docker, Kubernetes
  • Databases – SQL (PostgreSQL, MSSQL), complex queries
  • Frontend – HTML, CSS, JavaScript (React is a plus)
  • Operating Systems / Networking – Linux, TCP/IP, DNS, firewalls
  • Version Control – Git (GitFlow, trunk-based)
  • Agile / DevSecOps – Jira, Confluence
  • Testing – Test-Driven Development, automation frameworks
Nice to Have:
  • Experience with SAST/DAST tools, penetration testing, fuzzing
  • Exposure to cloud platforms (AWS, GCP, Azure), Terraform, Prometheus, Anthos
  • Strong frontend development skills using React, Matomo, UI/UX background
  • Advanced database knowledge (relational and NoSQL – e.g., MongoDB)
  • Experience with message brokers (Kafka, RabbitMQ)
Role Overview:

Join a global financial services organization and contribute to the development of innovative cybersecurity solutions. As part of the Cybersecurity Assessment & Testing team, you'll work in a modern DevSecOps environment, building secure, scalable systems that automate vulnerability detection and improve the security posture of critical infrastructure. This is a hands-on engineering role, combining backend, frontend, and infrastructure work.

Who We're Looking For:

Engineers with hands-on experience building secure, scalable applications in cloud or containerized environments. If you're proficient in Python, understand microservice architecture, and have a passion for cybersecurity and automation, this role is for you.

,[Design and develop Python-based microservices using FastAPI, Flask, or Django, Build and maintain RESTful APIs and integrate third-party security tools, Develop data pipelines (ETL) using Pandas, Numpy, Airflow, or Luigi, Create and manage CI/CD pipelines with GitLab, Jenkins, Contribute to internal frontend tooling using HTML, CSS, JavaScript, and ideally React, Deploy and manage services in containerized environments (Docker, Kubernetes), Write automated test suites (unit, integration, functional), Provide L2/L3 support and troubleshoot production issues, Participate in code reviews and mentor junior developers, Improve engineering processes and contribute to technical documentation] Requirements: Python, FastAPI, Flask, Django, pandas, NumPy, Airflow, Jenkins, Docker, Kubernetes, SQL, PostgreSQL, MSSQL, HTML, CSS, TCP, DNS, Git, Gitflow, Jira, Confluence, Testing, Test-driven development, JavaScript, React, Operating system, Linux, SAST, DAST, Cloud platform, GCP, Azure, Terraform, Prometheus, UI, UX, NoSQL, MongoDB, Kafka, RabbitMQ

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