Mid-Level Security Software Engineer – Web Application Firewall (WAF)

Security

Mid-Level Security Software Engineer – Web Application Firewall (WAF)

Security
Centrum, Krakow

ITDS

Full-time
B2B
Mid
Hybrid
6 999 - 8 166 USDNet per month - B2B

Job description

Unleash innovation in cybersecurity — develop cutting-edge web application firewall solutions!

Krakow-based opportunity with hybrid work model (up to 3 remote days per week).

As a Senior Software Developer in Transformation & Digital IT, you will be working for our client, a leading global financial services organization. You will contribute to designing and implementing a modsec-based Web Application Firewall (WAF) that secures internal services across the organization. This role offers an exciting chance to work on a state-of-the-art security project in a fast-paced, agile environment, fostering professional growth and technological innovation.

Your main responsibilities:

  • Take ownership of end-to-end delivery of development tasks, including requirements analysis, design, coding, testing, and deployment.
  • Collaborate with global teams in Europe and Asia to ensure seamless project execution.
  • Participate actively in agile ceremonies such as Sprint planning, Scrum meetings, and Backlog grooming.
  • Automate deployment, monitoring, and testing processes to enhance efficiency and cycle time.
  • Work closely with engineers, architects, and stakeholders to understand data flow, optimize application performance, and improve platform monitoring.
  • Resolve production issues during UK working hours, ensuring platform stability and swift resolution.

You're ideal for this role if you have:

  • At least 4 years of experience in a fast-paced, agile environment.
  • Proficiency in C and Linux/Unix systems.
  • Strong knowledge of HTTP APIs, such as RESTful services.
  • Experience designing scalable, secure, and resilient solutions on Cloud platforms (GCP/AWS) and on-premise environments.
  • Familiarity with software design best practices, unit and integration testing.
  • Excellent communication skills and ability to work collaboratively across teams.
  • Self-motivated, analytical mindset with decisive problem-solving skills.

It is a strong plus if you have: (optional)

  • Knowledge of Java JNI and modern system integration.
  • Experience with Node.js and related system architectures.
  • Familiarity with HSBC-cranker or similar enterprise security tools.

Language Required for the role:

  • Fluent English (required).

Eligibility to work in this role:

  • Only candidates with an existing legal right to work in Europe 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.

Tech stack

    English

    B2

    HTTP APIs/RESTful Services

    advanced

    C programming

    advanced

    Linux/Unix systems

    advanced

    Cloud Platforms (GCP/AWS)

    regular

    agile methodologies

    regular

    Unit and Integration testing

    regular

    Web Application Firewall (WAF)

    regular

    Software Design Best Practices

    regular

    Node.js

    nice to have

    Java JNI

    nice to have

Office location