What awaits you

As a Performance Engineer at Push-Based, you’ll go beyond just coding. You’ll play an integral role in identifying and solving complex performance bottlenecks in large-scale projects. You’ll work closely with our team and clients to audit, design, implement, and optimize the performance of web applications.

Be part of cross-functional teams: Collaborate with full-stack, backend, and frontend developers, and product managers to deliver meaningful impact

Take ownership: Got an idea? Drive the initiative, and own it from start to finish.

Foster growth: Mentor colleagues, share knowledge, and continuously learn new technologies.

Work end-to-end: Guide projects from setup to deployment pipeline

Be part of the community: Share knowledge with the community through workshops, talks, or blog posts

Challenging environments: We are experts, integrating and collaborating closely with our clients to design long-term, scalable strategies and roadmaps.

Variety: Work hands-on in projects as a driving force, create architecture audits or conduct workshops for our customers

🔗 Learn more about what it means to be a PushBased Expert.

What you bring

We're looking for a solution-minded Performance Engineer that aligns with our values and has the following skills:

Consultant Thinking:

• You care about delivering value to clients, not just writing code.

• You understand how your work impacts our and the customers goals.

• You are able to present complex topics in a concise way in front of stakeholders.

• You have strong communication and presentation skills in English.

Technical Expertise:

• Deep Expertise in Metrics: Expert level knowledge of Core Web Vitals (LCP, INP, CLS) and their relationship to other key metrics (TTFB, FCP, TBT).

• Real User Monitoring (RUM): Experience managing RUM solutions to capture and analyze field data. You can turn RUM data into actionable engineering tasks.

• Browser Internals: Expert-level understanding of the critical rendering path, browser parsing, rendering pipelines (Layout, Paint, Compositing), and resource prioritization.

• JavaScript Profiling: Mastery of Chrome DevTools (Performance, Network, and Memory tabs) to hunt down and fix long tasks, memory leaks, and inefficient rendering patterns in complex applications (e.g., change detection, forced reflows, 3rd party optmizations).

• Proficiency in JavaScript/TypeScript, especially knowledge about the JavaScript Event Loop.

Ownership Mentality:

You take initiative, drive efforts to completion, and thrive on responsibility.

Problem-Solver:

Challenges are opportunities for growth.

Collaborative Mindset:

You’re a team player who motivates, mentors and inspires your surrounding.

Region

You’ll be joining a collaborative team based across the Europe. To ensure smooth communication and teamwork, we’re looking for candidates located within the EU Region or able to work comfortably within European time zones.

Why Join Us

• Work with a team of international experts

• Exciting projects with well-known clients

• Remote-first culture with flexible working hours

• Opportunities to speak, write, and share knowledge in the community

• Competitive salary and growth opportunities