Senior Software Engineer

TLDR

As a Senior Software Engineer, you will build low-latency applications capable of processing millions of events per second, ensuring stability and data integrity in high-volume data pipelines.

Our Purpose

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.

About Us

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.

As a Senior Software Engineer - Agent Platform, you will design, develop, and operate large-scale, low-latency applications engineered to process several millions of events per second. 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 SentinelOne’s platform to stay ahead of global cyber threats in real-time.

What will you do?

  • 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 the organization 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.

Your Toolkit:

  • 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, you'd 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.

What skills and knowledge should you need to bring?

  • Multiple years of professional backend development experience in one or more of the following: Golang, Java, Python
  • Ability to quickly dive into new products and understand their inner workings
  • Self-driven individual
  • Experience with large-scale high-load distributed systems & 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

  It’d be great if you have:

  • Experience with Kafka, PostgreSQL, MongoDB, Redis
  • Experience in an enterprise SaaS company or cybersecurity SaaS company

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!

SentinelOne is proud to be an Equal Employment Opportunity and Affirmative Action employer. We do not discriminate based upon race, religion, color, national origin, gender (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, gender expression, age, status as a protected veteran, status as an individual with a disability, or other applicable legally protected characteristics.

SentinelOne participates in the E-Verify Program for all U.S. based roles. 

Benefits

Health Insurance

Pension Insurance Contribution, Premium life insurance, Private medical care (for you and +1), and a Global Employee Assistance Program.

Growth & Community Support

LinkedIn Learning, internal mentoring, educational support, generous referral bonuses, and optional company events (sports, BBQs, charity).

Paid Time Off

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.

SentinelOne provides autonomous security solutions built on AI to protect organizations across endpoint, cloud, and identity environments. Our platform unifies threat prevention, detection, response, and forensics in a single, user-friendly system, enabling businesses to safeguard their assets against evolving cyber threats. Recognized as a leader in the industry, we cater to enterprises in various sectors, ensuring fast, effective defense against advanced attacks.

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