Position: DevOps Architect/Sr Engineer for high-volume payment processing
Company: Upstaff
Category: DevOps
Experience required: 5y
English level: upper

We are looking for DevOps Architect/Sr. Engineer strong in Kubernetes, high-load systems, security, private networks, on the cloud environment, preferably Google Cloud Platform (GCP) experience. 

**What needed to be done:**

- Analyze the payment processing system infrastructure requirements and the current state
- Propose a scalable, secure, and efficient architecture that meets the requirements.
- Discuss and defend the proposed architecture with stakeholders and other engineering team members.
- Lead the implementation of the proposed architecture.

**Non-Functional Acceptance Criteria:**

- Response time of less than 1s for 90% of API calls and less than 3s for 99% of calls during a sustained 15-minute window at 50 TPS
- Uptime availability SLA of 99.995% under a production load of 10 TPS, measured for 30 days post-production
- Less than 3min of scheduled downtime for upgrades/maintenance in production. preferably Zero downtime. 
- Prevent  processing duplicate transactions within 5 minutes
- PCI certification with data tokenization, encryption, access governance, and documentation.

**Requirements:**

- Proven experience as a DevOps Architect with a strong background in Kubernetes, high-load systems, security, and private networks/VPS.
- Experience with payment processing systems is a plus.
- Experience with the Google Cloud Platform is preferred but not required.
- Familiarity with other cloud platforms is a plus.
- Ability to lead and mentor other DevOps engineers and communicate with stakeholders