Senior Frontend Developer

Sleek is unlike any other cybersecurity company.

We work hand in hand with Israel's security institutions to deliver products that make a unique impact -things that simply cannot happen anywhere else.

To tackle the most complex challenges, we employ the brightest minds in low- & high level R&D, vulnerability research and full-stack development.

If you're curious, intelligent and eager to make a strategic impact on Israel's national security, your place might be with us.

About the Job

We are seeking a highly skilled and experienced Frontend Developer to join our team and play a key role in building innovative, cutting-edge products.

As a Frontend Developer, you will take ownership of the UI architecture, drive frontend excellence, and collaborate closely with backend engineers and product teams to deliver seamless end-to-end solutions.

What you’ll do:

• Design and build high-quality web applications with a strong focus on the frontend (Angular).
• Take ownership of complex technical challenges, including Angular upgrades and infrastructure-level improvements.
• Lead frontend architecture decisions with a focus on performance and maintainability.
• Collaborate closely with backend engineers and product managers.
• Define and maintain development processes, coding standards, and quality practices.

Your Knowledge, Skills & Qualities

• Technical Ownership - Strong ownership mindset with the ability to lead and execute complex technical challenges.
• Angular Expertise – Deep understanding of Angular internals.
• CSS - Solid understanding of CSS.
• Backend Knowledge - Good understanding of backend concepts and experience with server-side technology (Node.js/NestJS – advantage).

Experience

• 5+ years of experience with Angular.
• 3+ years of experience with Node.js (preferably with NestJS).
• Collaboration - Strong communication and teamwork skills.
• Self-Learning - Ability to independently learn and adopt new technologies and tools.

Why join us?

If you're looking to take real ownership, influence architecture decisions, and build high-impact products with modern technologies - this is the place for you.