Senior Frontend Engineer - Freelance
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Before you apply
LocationHungary, Budapest
Work moderemote
Typecontract
SenioritySenior
DepartmentBeyond Sports
Company size51–200 people
PostedSep 24, 2026 · 1mo ago
Verified live1d ago
At a glanceSummarised by Seekless from the posting.
Expert-level knowledge of HTML, CSS, and responsive design principles
Expert-level knowledge of JavaScript (vanilla)
Expert-level knowledge of React
Expert-level knowledge of SASS development
Expert-level knowledge of JSON and RESTful APIs
Expert-level knowledge of Gulp workflows
Expert-level knowledge of Git and version control best practices
Expert-level knowledge of cross-browser/device testing and debugging
Expert-level knowledge of working with design files and translating them into code (e.g. Figma, Sketch)
Expert-level knowledge of frontend performance tuning and optimization
Expert-level knowledge of writing clean, readable documentation for frontend solutions
Comfortable with ES6/ES7 features
Comfortable with integrating third-party tools and SDKs (e.g. video providers)
Comfortable with NPM and Bower for dependency management
Comfortable with Web accessibility (a11y) best practices
Comfortable with SEO best practices for frontend builds
Comfortable with JIRA or similar tools for task tracking
Familiarity with CI/CD processes for frontend deployment
Understanding of frontend architecture patterns and modular development
Skills
HTML
CSS
SASS
JavaScript
React
JSON
RESTful APIs
Gulp
Git
ES6
ES7
NPM
Bower
CI/CD
Senior Frontend Engineer (Contractor/Freelance) - Hungary
Duration: 3 months plus
Rate: 120,000 - 160,000 per day HUF
Start Date: ASAP
Location: Must be based in Hungary, Remote Working
About the Role:
As a Senior Frontend Engineer (Contractor/Freelancer) at Beyond Sports, you will play a key role in delivering high-quality, performant, and engaging frontend solutions to sports fans and partners worldwide. Working alongside a cross-functional team, you’ll be responsible for building and maintaining responsive web applications using modern frontend technologies and best practices.
This role is delivery-focused, suited for a self-driven contractor who thrives on writing clean, scalable code, solving complex problems, and delivering against clearly defined requirements. You’ll work closely with designers, backend developers, and project managers to ensure that deliverables meet expectations and deadlines.
Key Responsibilities
•
Translate project requirements and designs into functional, maintainable frontend code
•
Scope, estimate, and manage your own tasks to meet agreed timelines
•
Integrate with backend APIs and third-party services
•
Produce high-quality, reusable code with attention to maintainability and performance
•
Ensure cross-browser and cross-device compatibility through rigorous testing and debugging
•
Implement responsive UI/UX using HTML, CSS/SASS, and JavaScript (vanilla)
•
Use Gulp workflows and Git version control effectively within a collaborative codebase
•
Collaborate with the wider delivery team to ensure alignment on goals and timelines
•
Proactively identify and resolve frontend issues or technical blockers
•
Document frontend solutions to support ongoing maintenance and handovers
Required Skills & Experience
Expert-level knowledge of:
•
HTML, CSS, and responsive design principles
•
JavaScript (vanilla)
•
React
•
SASS development
•
JSON and RESTful APIs
•
Gulp workflows
•
Git and version control best practices
•
Cross-browser/device testing and debugging
•
Working with design files and translating them into code (e.g. Figma, Sketch)
•
Frontend performance tuning and optimization
•
Writing clean, readable documentation for frontend solutions
Comfortable with:
•
ES6/ES7 features
•
Integrating third-party tools and SDKs (e.g. video providers)
•
NPM and Bower for dependency management
•
Web accessibility (a11y) best practices
•
SEO best practices for frontend builds
•
JIRA or similar tools for task tracking
Nice to Have
•
Familiarity with CI/CD processes for frontend deployment
•
Understanding of frontend architecture patterns and modular development
Hiring process
Please apply and a member of our TA team will be in touch