Senior Java Software Security Engineer – Cloud & Open Source

Unleash the Future of Software Security — Drive Innovation and Excellence at Scale!

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

As a Senior Java Software Security Engineer – Cloud & Open Source, you will be working for our client, a global leader in innovative security solutions within the financial industry. You will play a pivotal role in adopting engineering excellence across their Software Security platform, directly contributing to cutting-edge cloud-native solutions, open-source initiatives, and high-impact program deliveries. This is a unique chance to shape the security landscape while advancing your career in a dynamic, high-tech environment.

Your main responsibilities:

• Take ownership of code delivery, contributing hands-on to complex security solutions in production environments
• Develop and contribute to open source projects, blogs, or GitHub repositories showcasing expertise
• Leverage deep knowledge of Java 21+ (including Virtual Threads/Project Loom), Spring Boot 3.x, and modern JVM internals
• Design and implement scalable cloud-native architectures using GKE, Cloud Spanner, Postgres, and event-driven systems like Kafka or pub/sub
• Integrate Zero Trust Architecture and OAuth2/OpenID Connect at the code level to enhance security protocols
• Translate business requirements into robust technical solutions, driving automation from the outset
• Lead and influence teams by sharing knowledge, mentoring peers, and raising the bar on quality and efficiency
• Stay abreast of industry shifts, emerging trends, and innovative practices, guiding teams toward forward-thinking implementation
• Identify and mitigate software security risks, promoting best practices and continuous improvement

You're ideal for this role if you have:

• 7 or more years of experience in Java development, software security, or related fields
• Proven expertise with JVM internals, memory management, and the Spring Boot ecosystem
• Hands-on experience working with GCP (Google Cloud Platform) cloud services
• Strong understanding of cloud-native architectures, open source tools, and modern security protocols
• Ability to create impactful solutions that make banking better, faster, and safer
• Leadership skills to influence teams and foster a culture of continuous learning and high standards
• Experience identifying security risks and adopting innovative tech or processes to address them
• A holistic, generalist mindset capable of applying thinking across multiple domains

It is a strong plus if you have:

• Contributions to open source projects or technical blogs
• Certifications related to cloud platforms or security

Language required for the role:

• Fluent English, with excellent communication skills

Eligibility to work in Europe:

• 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.