Senior Platform Engineer (Developer Experience)

What Are We Looking For

We are seeking an experienced Senior Infrastructure Engineer / Platform Engineer who will serve as a technical leader with dozens of engineering teams. You are someone who enjoys bridging the gap between software engineering and systems architecture and not just managing infra but building Internal Developer Platforms (IDP) and APIs that enable scalability efficiency productivity and developer joy. You are a doer who can pivot from writing high-quality production code to influencing the architectural direction of our CI/CD pipelines and service catalogs (e.g. Backstage).

About the Team

The Developer Experience (DevEx) organizations mission is to partner with SentinelOne engineering teams to accelerate the velocity of software delivery through continuous innovation and standardization. We are building the platform that serves nearly 1000 engineers to release services and features to our customers making it easy to move from POC to production safely and quickly.

You will deal with global scale: our security SW products protect 15000 enterprise and government clients across the globe incl. 4 of Fortune 10 and process 9 Petabytes of data daily and 3 Trillion security events across multiple AWS/GCP regions and GovCloud supported by a large Kubernetes control plane with 80clusters and tens of thousands of nodes.

What Will You Do

• Partner to Engineers: The engineering teams are our primary customers. You will be working with them to understand their pain points and find long term solutions. You will be building tools that improve the quality of life and streamlining the development process for the teams so that they can build without having to worry about the underlying infrastructure.
• Build & Automate: You will be building tools that improve the quality of life and streamlining the development process for the teams so that they can build without having to worry about the underlying infrastructure. Building scalable solutions in collaboration with other infrastructure teams
• Modernize the Stack: Collaborate with architects to evaluate and implement modern tools (e.g. ArgoCD GitHub Actions) and deployment strategies (Canary Blue/Green).
• Operational Ownership: Identify causes of toil across engineering orgs and eliminate them through automation enhancing overall system reliability and developer satisfaction.
• Cross-Functional Influence: Partner with Product Security and Finance teams to align technical roadmaps with business value and customer needs.
• Impact: You will participate in the full software development lifecycle including requirements analysis architecture design coding testing and deployment.

Our stack: Go Python; Kubernetes Docker AWS GCP FedRAMP; GitHub Actions ArgoCD; GitHub Enterprise; depending on the requirements of the service for communication we use Kafka REST API GraphQL gRPC etc.; Postgres MongoDB Redis ClickHouse; Prometheus/Thanos Grafana

What skills and experience you should bring:

• Demonstrated proficiency in Go or Python. Experience in the full SDLC from requirements to production-ready code.
• Experience with AWS and/or GCP. Knowledge of Kubernetes or similar orchestration systems.
• Experience with CI/CD tooling at scale (e.g. GitHub Actions ArgoCD Jenkins etc.) and GitOps approach.
• Strong experience with Terraform Pulumi or similar IaC frameworks.
• Familiarity with DevEx fundamentals including Service Catalogs (Backstage) REST APIs or gRPC.
• Familiarity with both SQL (Postgres) and NoSQL (MongoDB ClickHouse or Redis).
• Excellent problem-solving skills
• Strong ownership and accountability
• Strong communication skills and ability to articulate technical concepts and influence engineering direction across teams departments and stakeholders in multiple time zones

Why Us

Join a cutting-edge company tackling extraordinary challenges alongside top industry talent. Enjoy flexible hybrid work in Prague (Karlin) Brno (Clubco) or remotely across CZ/SK. Only Prague-based employees are required to work from the office at least two days per week.

Competitive Benefits Package:

• Stock & Bonuses: Grant of Restricted Stock Units with a 4-year vesting plan annual performance-based bonuses and an employee stock purchase plan.
• Time Off & Well-being: Flexible Time Off on top of the standard 5 weeks vacation flexible paid sick days fully paid Short Term Sick/Nursing Leave 16-week parental leave grandparent leave and additional company holidays.
• Insurance & Health: Pension Insurance Contribution Premium life insurance Private medical care (for you and 1) and a Global Employee Assistance Program.
• Work Perks: Monthly meal and well-being allowance high-end MacBook/Windows laptop work-from-home support and in-office refreshments.
• Growth & Community: LinkedIn Learning internal mentoring educational support generous referral bonuses and optional company events (sports BBQs charity).

Be part of an inclusive innovative workplace that values belonging flexibility and growth!

Required Experience:

Senior IC