Principal Software Engineer/Software Architect

Summary

Join SentinelOne as a Principal Software Engineer and lead the transformation of a core system into a scalable, modern microservices architecture. You will architect the future of the system, modernize the technology stack, write high-quality code, mentor other engineers, and collaborate with cross-functional teams. This high-visibility role offers the opportunity to make a significant impact on a flagship product used by Fortune 10 and Global 2000 companies.

Requirements

• Multiple years of extensive software engineering experience, including proven expertise in architecting large-scale distributed systems and microservices architecture, with a focus on performance, scalability and reliability
• Extensive experience with cloud platforms (AWS and/or GCP) and Kubernetes
• Excellent problem-solving skills
• Strong communication skills and ability to articulate technical concepts and influence engineering direction across teams, departments and stakeholders

Responsibilities

• Architect the Future: You’ll dive deep into our current monolithic architecture, identify pain points, and design innovative solutions to address them in an iterative way. You’ll lead the design and development of a new microservices architecture that supports scalability, maintainability, and operational excellence
• Modernize the Stack: You’ll collaborate with teams to evaluate and implement the right tools, frameworks, and methodologies for building a robust microservices ecosystem
• Hands-on Development: You’ll write high-quality, production-ready code
• Mentor and Lead: You’ll guide and mentor other engineers, contribute to their professional growth, share best practices and architectural insights, and foster a culture of engineering excellence
• Collaborate Across Teams and Orgs: You’ll partner with other engineering, product, design, quality, DevOps/Infra teams and leadership to align on objectives, design, timelines, and execution strategies

Preferred Qualifications

• Experience in leading the transition from monolith to microservices is highly desirable
• Proficiency in Java and/or Go, experience with Python is a plus

Benefits

• Flexible working hours, In Prague & nearby we're working in a hybrid model with offices in Karlin (brand new Missouri Park), remotely in the rest of CZ or SK, with optional Brno offices (Clubco Vlněna) for those who like to meet
• Generous employee stock plan in the form of RSUs (restricted stock units) grant not options; 4 years vesting with 1-year cliff and then quarterly
• Yearly bonus depending on the performance of the company, paid out in 2 installments
• Flexible Time Off (on top of the standard 5 weeks of vacation)
• Flexible Paid Sick Days
• Fully Paid Short Term Sick/Short Term Nursing Leave
• Global gender-neutral Parental Leave (16 weeks, beyond the leave provided by the local laws) & Grandparent Leave
• Volunteering paid day off & Additional paid Company holidays off
• Pension insurance contribution
• Premium Life Insurance covered by S1
• Monthly Meal & Wellbeing Allowance
• Private medical care membership (English speaking) for you and your +1
• Global Employee Assistance Program (confidential counseling related to both personal and work life matters), Wellness Coach:Mind Body Sleep app company access (sessions, audiobooks, classes, private coaching etc.)
• High-end MacBook or Windows laptop, Home-office-setup gear & on top of that additional WFH Allowance
• LinkedIn Learning platform for Hard/Soft skills Training, internal mentoring 'MentorOne' & Support for your further educational activities/trainings
• Above-standard referral bonus
• On top of RSUs, you can benefit also from our attractive ESPP (employee stock purchase plan)
• Refreshments and snacks at the offices
• Optional company events for those who like to meet outside of work too (sport, BBQ, charity etc.)