Staff Frontend Engineer (TypeScript, React)

sentinellabs; Deutschland; Hybrid; EUR 90.000 - 140.000; Vollzeit

Benefits dieser Stelle

RSU equity

ESPP

Bonus

PTO + wellness

Parental leave

Private medical care

Pension plan

Employee assistance

Zusammenfassung

sentinellabs is seeking a Staff Frontend Engineer to build new functionality for a data-lake security product line handling massive data streams. The role blends hands-on development with technical leadership, shaping threat intelligence features on the platform.

You will spend most of your time coding in TypeScript and React, collaborate with product and engineering teams across time zones, and influence architecture for AI-driven capabilities and cost/performance targets.

Qualifikationen

• Strong proficiency building production applications in TypeScript and React.
• Working knowledge of GraphQL and REST APIs.
• Demonstrated technical leadership, including shaping engineering best practices and driving adoption.
• Excellent communication skills with frequent cross-team interaction between product and engineering.
• Ability to quickly learn new products and understand their internals.
• Familiarity with AI-assisted development tools and workflows.

Aufgaben

• Spend roughly 70-80% of the time on hands-on software development in TypeScript and React.
• Draft and review technical specifications, partnering with product management to refine scope and priorities.
• Improve quality, stability, and security across the team's full codebase.
• Conduct code reviews and mentor teammates through pairing, problem-solving, and constructive feedback.
• Participate in daily standups and collaborate with distributed teams across multiple time zones.
• Contribute to architectural decisions for new AI-driven capabilities and large-scale performance/cost objectives.

Kenntnisse

TypeScript

React

GraphQL

REST APIs

Technical leadership

Cross-team collaboration

Communication

Learning agility

Jobbeschreibung

Role overview

Staff Frontend Engineer position focused on building new functionality for a data-lake security product line that processes several petabytes of data daily. The role blends hands-on software development with technical leadership, shaping how security teams hunt threats and build threat intelligence solutions on the platform. It is a senior, product-oriented engineering seat with significant influence over roadmap and architectural direction.

Responsibilities

• Spend roughly 70-80% of the time on hands-on software development in TypeScript and React
• Draft and review technical specifications, partnering with product management to refine scope and priorities
• Improve quality, stability, and security across the team's full codebase
• Conduct code reviews and mentor teammates through pairing, problem-solving, and constructive feedback
• Participate in daily standups and collaborate with distributed teams across multiple time zones
• Contribute to architectural decisions for new AI-driven capabilities and large-scale performance/cost objectives

Requirements

• Strong proficiency building production applications in TypeScript and React
• Working knowledge of GraphQL and REST APIs
• Demonstrated technical leadership, including shaping engineering best practices and driving adoption
• Excellent communication skills with frequent cross-team interaction between product and engineering
• Ability to quickly learn new products and understand their internals
• Familiarity with AI-assisted development tools and workflows

Nice to have

• Experience working on data-intensive or analytics-heavy products
• Background building security, threat intelligence, or developer-facing tooling
• Comfort collaborating across hybrid and remote team setups

Benefits and work setup

• Equity participation through restricted stock units, an employee stock purchase plan, and performance-based bonus
• Generous paid time off plus wellness days, sick/nursing leave, and gender-neutral parental leave
• Private medical care, life and disability insurance, pension contribution, and an employee assistance program
• Hybrid working arrangements in Prague (Karlin) or Brno offices, with fully remote options in the local market