Performance Engineer – Rendering

This is a fully remote position, open to applicants in Spain.

📋 Description

• Engage with Rust on Penpot's rendering engine, developed using WASM, Rust, and Skia.

• Contribute to the text editor and ongoing enhancements in performance.

• Address bugs, enhance performance, and create new features for the rendering engine.

• Optimize the smoothness and response times of Penpot's browser.

• Collaborate with frontend development, particularly in data transfer between Clojure and the engine.

• Operate independently within a horizontal team structure without a managerial figure.

• Take part in collective decision-making processes.

• Work alongside software developers and Penpot creators within the product team.

• Join regular cross-team meetings to discuss business and product developments.

• Contribute to an open-source design platform that bridges the gap between designers and developers.

⛳️ Requirements

• Senior-level, robust experience in rendering engines.

• Previous experience with WASM, Rust, and Skia; adeptness in enhancing these technologies.

• Familiarity with game engines, graphics libraries, rasterization, GPU pipelines, or related fields is a plus.

• Practical frontend experience with JavaScript, browser APIs, HTML, and CSS.

• Regular use of language models such as Claude, Cursor, ChatGPT, or OpenCode.

• Comfortable navigating Linux environments.

• Proficient in spoken and written English.

• Proficient in spoken and written Spanish.

• Capable of reading and writing technical documentation and communicating functionally in English.

• Familiarity with Clojure or other functional programming languages is advantageous.

• Knowledge of JavaScript testing frameworks, including Jest and Cypress, is beneficial.

• Understanding of end-to-end testing with Playwright is a plus.

• Interest in accessibility and responsible development practices is a plus.

• Enthusiasm for design systems and product integration is advantageous.

• Previous experience or keen interest in open-source projects is a plus.

• Experience with agile methodologies is advantageous.

• Collaboration experience within diverse teams is beneficial.

• Ability to pose effective product-development inquiries.

• Careful testing of personal code through unit, integration, and end-to-end tests.

🏝️ Benefits

• Flexible work schedule, with core hours from 10am to 2pm CET.

• 37.5 hours per week as part of a work-life balance initiative.

• Fully remote position; optional attendance at the Madrid office.

• 23 days of paid vacation, in addition to December 24 and 31.

• Option to request 10 additional days of unpaid leave.

• Choice of holiday calendar based on your residence or Madrid headquarters.

• Opportunities for continuous learning through internal and external training, conferences, and events, usually with full cost coverage.

• Company-sponsored English and Spanish language classes during working hours.

• Two PIWEEKs annually.

• Budget for workspace and equipment renewal every three years; employees retain old equipment after three years.

• Culture of consensus-based decision-making.

• Open-source company with support for the open-source ecosystem.

• Self-organized teams with autonomy and independence.

• Alan health insurance through flexible compensation (coverage limited to Spain).