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Offer summary
(Summary generated by AI based on the full job description)
The project focuses on building and maintaining a highly available, secure, and scalable cloud infrastructure in an agile environment, supporting applications and platforms including RESTful APIs, Docker containers, and cloud services (AWS, GCP, Azure). Key responsibilities include ensuring uptime, rapid root cause analysis, cloud migration, and automation using Generative AI. Required skills include Java, J2EE, Web Services (REST, SOAP) and experience in 24x7 environments with emphasis on security and operational efficiency.
from: 21 July 2026
to: 20 August 2026
salary not specifiedcontract of employment (full-time)
Offer parameters
level:senior
working mode:hybrid
location:Warszawa, Masovian
Warszawa, Masovian
Requirements
Expected technologies
Java
J2EE
REST
SOAP
Docker
AWS
GCP
Azure
Optional technologies
Generative AI
Operating system
Windows
macOS
Linux
Our requirements
- 4+ years of relevant work experience and a bachelor’s degree in computer science.
- 4+ years of relevant work experience and a bachelor’s degree incomputer science.
- 3+ years of experience with JAVA, J2EE applications, and a deep understanding of Web Services technologies: REST & SOAP.
- 2+ years of experience managing applications on Containers (Docker) and Cloud (AWS, GCP, Azure).
- Knowledge of Generative AI capabilities and use cases to enable such capabilities in the environment.
- Experience working in 24x7 environments.
- Exceptional analytical and problem-solving skills, along with strong oral and written communication abilities. Proven proficiency in troubleshooting, root-cause analysis, application design, and implementing major components for large projects.
- Experience building tools to automate production support activities, enhancing the efficiency and productivity of service desk and operations groups.
- Knowledge of monitoring tools.
Your responsibilities
- Ensure the security and safety of application services and platforms. Spearhead the enhancement of operational practices focusing on efficiency, security, and excellence.
- Maintain zero downtime by swiftly addressing any issues to ensure environments are always operational. Conduct rapid root cause analysis and implement remediation in production environments after thorough testing.
- Foster an inclusive, innovative, and collaborative team culture.
- Build strong partnerships with key stakeholders, including product management, engineering, design, and operations.
- Communicate effectively with both technical and business partners to create frameworks for discussing complex topics.
- Regularly analyze the environment and promote the adoption of automation and Generative AI to stay competitive.
- Lead cloud infrastructure adoption and migration, ensuring a seamless transition with minimal downtime.
- Run problem bridges by collaborating with different functional and technical teams, escalating issues as needed for timely resolution.
- By fulfilling these responsibilities, the Sr. Site Reliability Engineer will ensure the PRE team delivers a robust, secure, and efficient infrastructure that supports application services and platforms, meeting the organization's evolving needs.
- Visa requires at least 60% office presence. To be confirmed with your line manager.
About the project
As a Senior Site Reliability Engineer in Visa’s Operations and Infrastructure division, you will join our Global PRE team to enhance, and build a highly available, secure, scalable, and resilient infrastructure in an agile environment. You will collaborate with supportive and challenging colleagues daily. You will take lead roles on projects to ensure the reliability and performance of our services, platforms, RESTful APIs, container-based distributed systems, and cloud services.
Key skills for this role the ability to foster a culture of collaboration and continuous improvement. Strong communication skills are vital for effective collaboration with cross-functional teams.
The Senior Site Reliability Engineer should possess problem-solving abilities, drive innovation, and prioritize tasks efficiently. Experience in fast-paced 24x7 environments, demonstrating adaptability and confident decision-making to address the evolving needs of the team and the organization, is crucial. Experience in swiftly resolving live production issues is essential to maintain system reliability and performance.
What are responsibilities of Senior Site Reliability Engineer?
Visa Technology Europe sp. z o.o.
Visa is a world leader in payments technology, facilitating transactions between consumers, merchants, financial institutions and government entities across more than 200 countries and territories, dedicated to uplifting everyone, everywhere by being the best way to pay and be paid.
At Visa, you'll have the opportunity to create impact at scale — tackling meaningful challenges, growing your skills and seeing your contributions impact lives around the world.
Join Visa and do work that matters – to you, to your community, and to the world. Progress starts with you.
This is how we work
Senior Site Reliability Engineer (Java/J2EE)
I apply to:
Visa Technology Europe sp. z o.o.
Warszawa, Masovian
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