Senior Full-Stack Engineer (Go, ReactTypeScript) macOS Endpoint Security

What are we looking for

Join SentinelOnes Endpoint (macOS Agent) organization as the fullstack engineer who represents the agent team across our backend services and customer console. Your primary charter is to build and evolve the control plane policy and visibility experiences that power our macOS agent at scale; then surface them clearly in the UI. Youll partner daily with macOS/Windows/Linux endpoint specialists while collaborating with cloud/platform engineers to ship reliable low-latency agent-cloud interactions. Youll be embedded in the Endpoint (macOS Agent) group and act as our full-stack lead for agent to cloud workflows. Prioritizing agent first while partnering with cloud teams to deliver reliable services and intuitive console experiences.

What will you Do

• Own agentcloud workflows end-to-end. Design implement test and ship features that configure observe and interact with macOS agents (policy management live response threat remediation device posture fleet operations). In this role around 80% of your work would be focused on Backend (our primary language for new development is Golang but you may also come across Python in our existing codebase) and 20% on Frontend (React TypeScript for all new development).
• Craft clear customer insights. Turn raw endpoint telemetry and detections into actionable explainable views and workflows in the console enabling security teams to investigate and respond quickly.
• Contribute to the architecture. Get involved in designs for new modules spanning agent services and UI; choose patterns/technologies for scale reliability and performance; represent the endpoint perspective in reviews.
• Raise the bar on quality. Add robust automation unit/component tests and resiliency checks; drive safe rollouts versioning and backward compatibility for agent-facing APIs.
• Partner across disciplines. Work closely with product customer support and endpoint/kernel engineers; help triage production issues and translate field feedback into product improvements.

Your work will directly improve how some of the worlds largest organizations (including multiple Fortune 10 hundreds of Global 2000 and government customers) configure and control their endpoints understand risk and respond to threats- across millions of macOS devices.

What experience or knowledge should you bring

• 4 years of full-stack experience with several years hands-on in Go and/or Python (or similar).
• Proven track record building microservices and cloud-native systems that run at scale with low latency.
• Experience with streaming/ingest and data pipelines; comfort with both SQL and NoSQL stores.
• Proficiency in a modern front-end framework (React/Angular TypeScript).
• Hands-on with Docker and Kubernetes and AWS and/or GCP.
• Strong product sense and the ability to translate requirements into resilient designs.
• Excellent communication; effective in hybrid/remote teams; experience leading cross-functional projects.

Nice to have

• Kafka ecosystem (Kafka Pub/Sub Connect) gRPC/Protobuf.
• Security/EDR domain knowledge (threat modeling detection/response hardening)

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