Senior Python Cybersecurity Full Stack Engineer

Ignite cybersecurity innovation — build resilient systems that safeguard the future! Krakow-based opportunity with hybrid work model (up to 3 remote days per week).As a Senior Python Cybersecurity Full Stack Engineer, you will be working for our client, a global leader in the financial industry committed to designing secure digital banking solutions. In this role, you will contribute to advanced cybersecurity initiatives by developing scalable, state-of-the-art tools and integrations that protect critical banking infrastructure worldwide. Join us to help shape the future of secure financial technology and advance your career in a dynamic, innovative environment. Your main responsibilities: • Collaborate with cross-functional teams to design, develop, and deliver secure software solutions in an Agile/DevSecOps environment. • Develop and deploy REST API services, data pipelines, and automation processes using Python frameworks like FastAPI, Flask, or Django. • Build and maintain scalable microservice architectures, incorporating concepts such as CQRS, SAGA, and event sourcing. • Implement containerized services and manage deployments with Docker and Kubernetes; develop CI/CD pipelines using Jenkins, GitLab, or similar tools. • Integrate third-party vulnerability scanning tools, automate security assessments, and contribute to proactive threat detection solutions. • Write automated test cases for unit, integration, and system testing, and perform peer reviews to ensure high-quality code. • Support operational stability through troubleshooting, bug fixing, and technical documentation for existing services. • Engage with cybersecurity experts to refine security requirements and propose innovative technical solutions to strengthen the bank’s defenses. You're ideal for this role if you have: • 5+ years of experience in Python web development, with proficiency in FastAPI, Flask, or Django. • Extensive experience building data pipelines with Pandas, Numpy, and tools such as Airflow or Luigi. • Strong understanding of microservice architecture, including CQRS, event sourcing, and distributed systems concepts. • Hands-on experience with containerization (Docker, Kubernetes) and deploying services via CI/CD pipelines. • Robust Linux system administration skills and familiarity with networking protocols (TCP/IP, DNS, firewalls). • Proficiency in Git, including branching strategies like GitFlow or trunk-based development. • Frontend development experience using HTML, CSS, JavaScript, and preferably React. • Advanced SQL skills for constructing complex queries across multiple database systems. • Demonstrable experience in developing automated tests and working within Agile, DevSecOps environments in regulated settings. • Excellent verbal and written communication skills to collaborate with global teams effectively. It is a strong plus if you have: • Cybersecurity experience, such as working with SAST/DAST tools, penetration testing, or threat detection techniques. • Cloud platform expertise (AWS, GCP, Azure) with infrastructure management tools like Terraform. • Additional frontend experience in JavaScript frameworks like React or similar. • Database administration skills in MSSQL, Postgres, or MongoDB, with performance tuning expertise. • Experience working with message queue systems such as Kafka or RabbitMQ. Language Required for the role: Fluent English (spoken and written). Eligibility for the role: Only candidates with an existing legal right to work in the European Union will be considered for this role. #MAKEYourCareerBETTER Interested? Apply now and include your CV (preferably in English) along with a statement confirming your consent to the processing and storage of your personal data.