Frontend Engineer (Remote | $65-$120/Hr)

Synthires

Crémenes, Spain

1 day ago

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Role details

Contract type

Permanent contract

Employment type

Full-time (> 32 hours)

Compensation

€135,200.0

Working hours

Regular working hours

Job source

www.buscojobs.com.es

Tech stack

Web Interfaces HTML JavaScript (Programming Language) Application Programming Interfaces (APIs) Artificial Intelligence Component-Based Software Engineering Browser Compatibility Cascading Style Sheets (CSS) Code Review Collaborative Software Computer Programming Software Debugging

+16 more

Web Development Github Design of User Interfaces Performance Tuning Responsive Web Design Software Engineering TypeScript Web Applications Web Application Frameworks Web Usability Vue.js AngularJS Material UI Information Technology Front End Software Development React Redux

Job description

Frontend EngineerPosition:Frontend EngineerType:ContractCompensation:(Remote

$65-$120/hr)Location:RemoteAbout the OpportunityThis opportunity is for experiencedFrontend Engineerswith expertise infrontend development, JavaScript, TypeScript, modern web frameworks, UI implementation, responsive design, and web performanceto contribute to advancedAI research and evaluation projects.In this role, you’ll apply your engineering expertise to evaluateAI-generated frontend code, user interfaces, web applications, and technical implementations.Your work will help improve thecoding accuracy, reasoning, UI quality, and software engineering capabilitiesof next-generation AI systems.No priorAI experienceis required.Yourfrontend engineering expertise, programming skills, and experience building high-quality web interfacesare the primary qualifications for success in this role.ResponsibilitiesEvaluateAI-generated frontend code, web applications, and UI implementationsforcorrectness, quality, maintainability, and performance.Build, review, and improveresponsive, accessible, and user-friendly web interfaces.Apply expertise inJavaScript, TypeScript, HTML, CSS, and modern frontend frameworks.Review AI-generated implementations forbugs, edge cases, rendering issues, accessibility concerns, and performance bottlenecks.Implement and evaluatecomponents, design systems, user interfaces, and interactive web features.Ensurepixel-accurate UI implementationwhile maintaining responsiveness across different devices and screen sizes.Debug and refactor existingfrontend codebasesto improveperformance, scalability, and maintainability.Apply best practices inweb accessibility, browser compatibility, frontend architecture, and user experience.Provide structured technical feedback to improveAI coding accuracy, reasoning, and frontend development capabilities.Required QualificationsBachelor’s degree or equivalent professional experienceinComputer Science, Software Engineering, Information Technology, or a related technical field.Professional experience infrontend engineering, frontend development, web development, or UI engineering.Strong proficiency inJavaScript and/or TypeScript.Experience with modern frontend frameworks such asReact, Angular, Vue.js, or similar technologies.Strong understanding ofHTML, CSS, responsive design, and component-based architecture.Experience implementingpixel-accurate user interfaces and component style guides.Strong skills indebugging, code review, performance optimization, and frontend problem-solving.Excellentanalytical thinking, written communication, and attention to detail.Ability to work independently in afully remote environment.Preferred QualificationsExperience buildinglarge-scale web applications or production frontend systems.Familiarity withNext.js, state management libraries, frontend testing frameworks, and API integration.Experience withdesign systems, UI component libraries, and accessibility standards.Familiarity withGit, GitHub, CI/CD pipelines, and modern frontend development workflows.Experience optimizingweb performance, Core Web Vitals, and browser rendering performance.Familiarity withAI coding tools, AI-assisted development, or AI model evaluation.Experience contributing toopen-source projects or collaborative software development environments.CompensationCompetitive compensation of up to $90/hour.Weekly payments.Independent contractor engagement.Application ProcessEasy Apply on LinkedInCheck Email for Next StepsParticipate in Resume Evaluation & Interview Stage

Requirements

Bachelor’s degree or equivalent professional experienceinComputer Science, Software Engineering, Information Technology, or a related technical field. Professional experience infrontend engineering, frontend development, web development, or UI engineering. Strong proficiency inJavaScript and/or TypeScript. Experience with modern frontend frameworks such asReact, Angular, Vue.js, or similar technologies. Strong understanding ofHTML, CSS, responsive design, and component-based architecture. Experience implementingpixel-accurate user interfaces and component style guides. Strong skills indebugging, code review, performance optimization, and frontend problem-solving. Excellentanalytical thinking, written communication, and attention to detail. Ability to work independently in afully remote environment. Preferred Qualifications Experience buildinglarge-scale web applications or production frontend systems. Familiarity withNext.js, state management libraries, frontend testing frameworks, and API integration. Experience withdesign systems, UI component libraries, and accessibility standards. Familiarity withGit, GitHub, CI/CD pipelines, and modern frontend development workflows. Experience optimizingweb performance, Core Web Vitals, and browser rendering performance. Familiarity withAI coding tools, AI-assisted development, or AI model evaluation. Experience contributing toopen-source projects or collaborative software development environments.