Staff Software Engineer (Java Go) Endpoint Protection Platform

At SentinelOne we are driven by a clear purpose: to give the advantage to those who secure our future. As AI reshapes how organizations build operate and innovate the responsibility to protect them becomes more critical than ever. When you join SentinelOne your work helps protect global enterprises critical infrastructure and the technologies shaping tomorrow. If you are motivated by meaningful challenges and want your impact to be real measurable and global you will find purpose here.

SentinelOne is a company at the intersection of AI and security pioneering a new operating model for cybersecurity. Our AI-native platform unifies protection across endpoint cloud identity data and AI systems to deliver autonomous detection and response with clarity and speed. By combining real-time analytics intelligent automation and a unified data foundation we reduce noise simplify complexity and empower security teams to focus on what truly matters.

Our teams are builders problem-solvers and innovators committed to shaping the future of security. If you are excited to solve hard problems alongside talented mission-driven people we invite you to help us build a safer future for humanity.

Were looking for people who are relentlessly curious and committed to continuous learning. AI is reshaping every function across our business and we enable every team member regardless of role or level to build fluency in AI tools and concepts. Those who thrive here actively seek out new solutions experiment thoughtfully and apply what they learn to drive better faster smarter outcomes.

As a Staff (techlead-level) Software Engineer for our Agent Platform (Endpoint Protection Platform) you will design develop and operate large-scale low-latency applications. You will own the end-to-end lifecycle of high-volume data pipelines ensuring mission-critical stability and data integrity through rigorous testing and proactive monitoring of key performance metrics. By continuously refining the codebase and optimizing for distributed scale you will build the resilient backbone that allows SentinelOnes platform to stay ahead of global cyber threats in real-time. We are seeking a seasoned colleague with the ability to lead epics architect features mentor and inspire others as a technical leader; and also to participate in the broader Agent Platform architecture and the new solutions were building.

Primary responsibilities include:

• Design develop implement test document and operate large-scale high-volume and low latency applications built to handle several millions of events per second.
• Translate business and functional requirements into robust scalable operable solutions that work well within the overall data architecture.
• Participate and collaborate with cross-functional teams in both your organization and other organizations at S1 to understand the business requirements and to deliver solutions that can scale.
• Maintain application stability and data integrity by monitoring key metrics and improving codebase accordingly.
• Understand & maintain existing codebase by regular re-factoring and applying requested fixes and features.
• Learn new technologies that can solve our huge volume of data and the challenges it poses.
• Our new components are primarily developed in Go and Java and we use Python in our current backend environment.
• Communication between microservices is facilitated using gRPC REST GraphQL APIs and Kafka depending on specific requirements.
• We use Redis PostgreSQL Cassandra ClickHouse and have our columnar time-series database for efficient event storage and retrieval at scale.
• Our services are deployed across multiple AWS/GCP regions with Kubernetes; among other tools youd also use Docker GitHub and ArgoCD.
• To enable you in your work we provide company access to various modern AI-powered tools for both R&D and non-R&D tasks.

Ideal candidates will have:

• Multiple years of professional backend development experience in Java (preferred) and/or Golang understanding of Python would be a plus
• Ability to quickly dive into new products and understand their inner workings
• Self-driven individual
• Experience with designing large-scale high-load distributed systems & their performance
• Experience with AWS GCP and/or other cloud platforms and with Docker Helm and Kubernetes
• Excellent communication skills - you will be regularly in touch with Product Technical Account Managers (who provide feedback from clients) and other cross-functional teams. You will also put into use your ability to influence technical direction and mentor others.
• Experience with Kafka PostgreSQL MongoDB Redis
• Highly Prefered - experience in an enterprise SaaS company or cybersecurity SW company

AI is redefining how the world operates and rewriting the rules of security in real time and SentinelOne was built for this moment. From day one we architected an AI-native platform designed to operate at machine speed not as an add-on to legacy systems but as the foundation itself. If you want to build where innovation and impact move together this is that place.

We invest in our Sentinels with comprehensive competitive benefits designed to support you and your family:

• 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.
• 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).