Cygnus Professionals Inc.
Front-End Development (HTML, CSS, JavaScript) - 3-5years - W2 ONLY
⭐ - Featured Role | Apply direct with Data Freelance Hub
This role is for a Front-End Developer with 3-5 years of experience, offering a W2 contract. Key skills include HTML, CSS, JavaScript, React.js/Vue.js/Angular, Python (FastAPI/Flask), SQL, and API design. Location is unspecified.
🌎 - Country
United States
💱 - Currency
$ USD
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💰 - Day rate
Unknown
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🗓️ - Date
February 11, 2026
🕒 - Duration
Unknown
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🏝️ - Location
Unknown
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📄 - Contract
W2 Contractor
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🔒 - Security
Unknown
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📍 - Location detailed
Denver, CO
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🧠 - Skills detailed
#Linux #Database Design #Python #Logging #JavaScript #IP (Internet Protocol) #GIT #Debugging #API (Application Programming Interface) #Flask #Angular #GitHub #HTML (Hypertext Markup Language) #Automation #React #REST (Representational State Transfer) #iOS #Monitoring #Code Reviews #POSTMAN #SQL (Structured Query Language) #SQL Queries #PostgreSQL #REST API
Role description
• Strong experience in Front-End Development (HTML, CSS, JavaScript)
• Hands-on experience with React.js / Vue.js / Angular (any one is fine)
• Good knowledge of UI/UX principles and building clean, user-friendly screens
• Experience with modern UI frameworks like Tailwind CSS / Bootstrap / Material UI
• Strong experience in Back-End Development using Python (Fast API / Flask )
• Ability to design and build REST APIs (request/response handling, validation, error handling)
• Strong understanding of database design and SQL queries
• Experience working with SQLite and PostgreSQL
• Good knowledge of API integration and debugging using tools like Postman
• Comfortable working in Linux / macOS environment (terminal, basic commands)
• Basic understanding of networking fundamentals (IP, ports, HTTP/HTTPS)
• Experience with Git/GitHub (branching, pull requests, code reviews)
• Good understanding of performance optimization for both UI and APIs
• Ability to write clean, maintainable, and reusable code
• Experience with authentication/authorization is a plus
• Knowledge of logging, monitoring, and troubleshooting is a plus
• Experience with CI/CD pipelines is a plus
• Android/iOS device automation knowledge is a plus
• Strong communication skills and ability to work independently
• Strong experience in Front-End Development (HTML, CSS, JavaScript)
• Hands-on experience with React.js / Vue.js / Angular (any one is fine)
• Good knowledge of UI/UX principles and building clean, user-friendly screens
• Experience with modern UI frameworks like Tailwind CSS / Bootstrap / Material UI
• Strong experience in Back-End Development using Python (Fast API / Flask )
• Ability to design and build REST APIs (request/response handling, validation, error handling)
• Strong understanding of database design and SQL queries
• Experience working with SQLite and PostgreSQL
• Good knowledge of API integration and debugging using tools like Postman
• Comfortable working in Linux / macOS environment (terminal, basic commands)
• Basic understanding of networking fundamentals (IP, ports, HTTP/HTTPS)
• Experience with Git/GitHub (branching, pull requests, code reviews)
• Good understanding of performance optimization for both UI and APIs
• Ability to write clean, maintainable, and reusable code
• Experience with authentication/authorization is a plus
• Knowledge of logging, monitoring, and troubleshooting is a plus
• Experience with CI/CD pipelines is a plus
• Android/iOS device automation knowledge is a plus
• Strong communication skills and ability to work independently
