# Front-End Developer Remote from[Europe](https://jobicy.com/job-region/europe.md), [Ukraine](https://jobicy.com/job-region/ukraine.md)Annual salary Undisclosed Salary information is not provided for this position. Check our [Salary Directory](https://jobicy.com/salaries.md) to estimate the average compensation for similar roles.Department [Programming](https://jobicy.com/categories/dev.md) Employment type Full Time, Job posted16 Jun 2026Apply before16 Jul 2026Experience level Midweight Views / Applies 1803 / 80 [About company](https://jobicy.com/company/skylum.md) * Share About [Skylum](https://jobicy.com/company/skylum.md) Great Photography Differently. [Computer Software](https://jobicy.com/company-category/software.md) * 2008 Actively Hiring Verified job posting This job post has been [manually reviewed](https://jobicy.com/tools/help-center/employee/how-does-jobicy-verify-the-legitimacy-of-remote-job-listings.md) for authenticity and compliance. ### AI Summary Skylum is seeking a Front-End Developer to build and optimize a high-performance, web-based photo editor. The role involves developing responsive interfaces for intelligent editing features that run heavy image processing directly in the browser. Candidates should have 2+ years of professional experience with React, TypeScript, Next.js, and state management, along with strong performance optimization skills. The company offers a flexible, collaborative environment with opportunities for growth, including educational allowances and medical insurance. This position is ideal for developers passionate about pushing the boundaries of browser-based performance and image processing. ### Role DNA Job Complexity Easy Hard Pace & Pressure Relaxed Fast-paced Autonomy Level Guided Full Ownership Communication Load Independent Highly Collaborative AI Insight The role requires advanced technical skills (React, TypeScript, Next.js, performance optimization) and experience with complex browser-based applications, which is challenging but achievable for experienced mid-level developers. ### Salary Analysis Median Market Rate $105,000US Market $70k – 150k 0 $165k AI Insight No salary was provided in the job listing. Based on market data for Front-End Developers with 2+ years experience, typical salaries range from $70,000 to $150,000, with a median around $105,000. The actual offer may vary based on location, experience, and company budget. ### Core Skills Required [React](https://jobicy.com/jobs?search_keywords=React.md) [TypeScript](https://jobicy.com/jobs?search_keywords=TypeScript.md) [Next.js](https://jobicy.com/jobs?search_keywords=Nextjs.md) [State Management](https://jobicy.com/jobs?search_keywords=State+Management.md) [Tailwind CSS](https://jobicy.com/jobs?search_keywords=Tailwind+CSS.md) [Performance Optimization](https://jobicy.com/jobs?search_keywords=Performance+Optimization.md) [Canvas/WebGL](https://jobicy.com/jobs?search_keywords=CanvasWebGL.md) [WebAssembly](https://jobicy.com/jobs?search_keywords=WebAssembly.md) [Git](https://jobicy.com/jobs?search_keywords=Git.md) [Image Processing](https://jobicy.com/jobs?search_keywords=Image+Processing.md) ### Cover Letter Sample Dear Hiring Manager, I am excited to apply for the Front-End Developer position at Skylum. With over three years of professional experience in building high-performance web applications, I have developed a strong proficiency in React, TypeScript, and Next.js, which align perfectly with the requirements for this role. In my previous projects, I focused on optimizing rendering performance and implementing complex state management solutions, which I believe will be valuable for developing your web-based photo editor. I am particularly drawn to Skylum's mission to make photo editing accessible and enjoyable. My experience with Canvas and WebAssembly, combined with my passion for image processing, makes me confident in contributing to the innovative features you offer. I thrive in collaborative environments where code quality and performance are prioritized, and I am eager to bring my expertise to your talented team. Thank you for considering my application. I look forward to the opportunity to discuss how my skills and experiences align with Skylum's goals. Sincerely, [Your Name] Copy ### Sample Interview Questions Can you explain how React's reconciliation algorithm works and how you can optimize it with useMemo and memo?React's reconciliation algorithm compares the virtual DOM with the previous one to determine what changes need to be applied to the real DOM. It uses heuristics like key props and element type to minimize re-renders. useMemo memoizes expensive calculations, and React.memo prevents re-renders of child components if props haven't changed. These tools can optimize performance by reducing unnecessary rendering.Describe a situation where you had to improve the performance of a complex web application. What steps did you take?In a dashboard app, I used Chrome DevTools Performance profiler to identify bottlenecks. I found that large data lists were causing re-renders. I implemented virtualization with react-window, used React.memo on pure components, and moved data fetching to a service worker. This reduced load times by 40% and improved frame rates.How would you handle state management for a photo editor with undo/redo functionality?I would use a state management library like Zustand or Redux with a history stack. Each action would produce a new state snapshot, and undo/redo would traverse the stack. For large images, I'd keep raw pixel data in a separate memory store to avoid serialization overhead. Canvas states could be saved as offscreen canvases for quick restoration.Explain the event loop and how it affects rendering in the browser. How can you leverage requestAnimationFrame?The event loop processes tasks in order: microtasks, then macrotasks (like setTimeout, I/O). Rendering occurs after paint steps. requestAnimationFrame schedules a callback before the next paint, making it ideal for smooth animations. By batching DOM updates and using rAF, you avoid layout thrashing and dropped frames.Walk me through the process of integrating a WebAssembly module into a React application.First, I would compile the C/C++ code to .wasm using Emscripten, generating a JavaScript loader. In React, I'd fetch the wasm file and instantiate it using WebAssembly.instantiateStreaming. The module exports functions that can be called directly. I'd wrap the wasm interactions in custom hooks and manage memory via the module's exports. For image processing, I'd pass typed arrays (e.g., Uint8ClampedArray) to the wasm function and receive results. Skylum allows millions of photographers to make incredible images. Our award-winning software automates photo editing with the power of AI yet leaves all the creative control in the hands of the artist. Join us on our mission to make photo editing enjoyable, easy, and accessible to anyone. You’ll be developing products with innovative technologies, providing value and inspiration for customers, and getting inspired in return. Thanks to our incredible team of experts, we’ve built a collaborative space where you can constantly develop and grow in a supportive way. At the same time, we believe in the freedom to be creative. Our work schedule is flexible, and we trust you to give your best while we provide you with everything you need to make work hassle-free. Skylum is proud to be a Ukrainian company, and we stand with Ukraine not only with words but with actions. We regularly donate to various organizations to help speed up the Ukrainian victory. Responsibilities: You will develop and optimize a high-performance, web-based photo editor — building responsive interfaces for intelligent editing features that run heavy image processing directly in the browser, and contributing to the architecture of the web frontend (WebAssembly engine, Canvas rendering, multithreaded execution) with a strong focus on performance and code quality. Requirements (Must-have): * 2+ years of professional frontend development experience * Confident React (hooks, composition, render optimization — memo, useMemo, reconciliation) * Strong TypeScript (generics, discriminated unions, typed API contracts — not any-driven development) * Practical Next.js experience (App Router, Server vs Client Components, routing) * Experience with a state management library (Zustand / Redux / Jotai / MobX — principles transfer) * Working with asynchronous data and caching (React Query / SWR / RTK Query) * Confident CSS with utility-first experience (Tailwind, or readiness to ramp up quickly) * Understanding of browser performance: render cycle, event loop, DevTools Performance profiling * Confident use of AI-assisted development tools (Claude Code, Cursor) * Git, PR-based workflow and code review Nice to have: * Experience with complex SPAs: editors, dashboards, or graphics-heavy applications * Canvas / OffscreenCanvas / WebGL, working with ImageData and typed arrays * Web Workers, SharedArrayBuffer, and browser multithreading * WebAssembly * Understanding of image processing: color spaces, RAW/DNG, LUTs * Feature-Sliced Design or another well-defined architectural methodology What we offer: For personal growth: * A chance to work with a strong team and a unique opportunity to make substantial contributions to our award-winning photo editing tools; * An educational allowance to ensure that your skills stay sharp; * English and German classes to strengthen your capabilities and widen your knowledge. For comfort: * A great environment where you’ll work with true professionals and amazing colleagues whom you’ll call friends quickly; * The choice of working remotely or in our office space located on Podil, equipped with everything you might need for productive and comfortable work. For health: * Medical insurance; * Twenty-one days of paid sick leave per year; * Healthy fruit snacks full of vitamins to keep you energized. For leisure: * Twenty-one days of paid vacation per year; * Fun times at our frequent team-building activities. What to expect when you apply * An interview with our Talent Acquisition Specialist * Professional interview * Management interview Show more [Apply now >](https://jobicy.com/jobs/146795-front-end-developer-2.md) > Annual salary information is not provided for this position. Explore salary ranges for similar roles in our [Salary Directory ›](https://jobicy.com/salaries.md) * ![Upload CV](data:image/svg+xml;base64,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) ### Upload your resume now To unlock remote work opportunities and be discovered by global employers. 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