Staff Frontend Engineer (TypeScript, React)

SentinelOne · Czech Republic · Engineering

Posted 2026-08-21

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As a Staff Frontend Engineer you'll be responsible for developing new functionalities for the Singularity Data-Lake products, which process several Petabytes of data daily. If you are a versatile engineer with a sharp product sensibility, you'll have remarkable opportunities to directly influence how our customers utilize our platform for threat hunting and building cutting-edge threat intelligence solutions. Our roadmap includes an array of exciting new functionalities, adding advanced AI capabilities, and ambitious cost and performance objectives to efficiently process vast amounts of data, all to the advantage of our customers. Our mission is to elevate our Singularity Data-Lake security applications portfolio by introducing leading-edge solutions and features.

What Will You Do?

Primary responsibilities include:

Software Development (70-80% of the time)

Formulate and review technical specifications

Work with the Product Manager to define specifications and refine work

Enhance the quality, stability, and security of the entire team's codebase

Conduct code reviews

Assist team members in problem-solving, offer constructive feedback, and participate in daily scrum standups

What Skills and Knowledge Will You Bring?

Ideal candidates will have:

Proficiency in development projects in TypeScript and React

Familiarity with AI tools

Experience with GraphQL and REST

Ability to swiftly delve into new products and comprehend their inner workings

Capacity to collaborate effectively with both local and remote teams across various time zones

Demonstrated technical leadership experience, shaping best practices and driving their adoption

Excellent communication skills, as you'll regularly liaise with product and other engineering teams

Why SentinelOne?

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:

Equity & Rewards

Restricted Stock Units (RSUs)

Employee Stock Purchase Plan (ESPP)

Performance-based bonus

Time Off & Wellbeing

Flexible time off, on top of the standard 5 weeks PTO

Paid company wellness days and fully paid short-term sick/nursing leave

Gender-neutral parental leave

Insurance & Financial Security

Private medical care benefit

Life and disability insurance

Pension Insurance contribution

Global business travel medical insurance

Employee Assistance Program (EAP)

Work Perks & Flexibility

Global home office allowance

Meal allowance

Hybrid work in Prague (Karlin), Brno (Clubco) or remote in CZ/SK. Only Prague-based employees are required to work from the office at least 2 days//week.

Wellness & Lifestyle

Wellbeing allowance

MultiSport benefit program

Wellness Coach app

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