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Temporary Senior Css Html Developer Jobs (NOW HIRING)

Scout ET

Sr. .NET Developer

Wilmington, DE

$53 - $69.75/hr

Position title: Sr. .NET Developer Work Location : Wilmington, Delaware. Duration: 12 Months ... CSS, HTML, DHTML, Writing code that is cross browser compatible Writing code and running ...

Computech Corporation

Sr. Software Engineer

Boston, MA · On-site

$133K - $175K/yr

Contract (Right to Hire) Title: Sr. Software Engineer Location: Boston, MA : This multi-faceted ... Additional Information Front end developer with execellent Javascript, CSS, HTML skills.

Boston Technology

Senior Front End Developer

Atlanta, GA · On-site

$110K - $145K/yr

Senior Front End Developer Work Location : Atlanta, GA Duration : 6 Months Exp: 12+years Need ... ajax, CSS, HTML (or XHTML or HTML 5) , XML or XSL, css inheritance, business script styling ...

Jobsbridge

Java/HTML 5/CSS Developer

San Francisco, CA

$60 - $77.75/hr

It is a senior developer position that requires significant experience in Java development and an ... Qualifications Java/HTML 5/CSS applications; java architecture web based front end Additional ...

Paradigminfotech

Sr. Web Software Developer

Salem, OR · On-site

Title: Sr. Web Software Developer Job duration : 4.5 year Location: Salem, OR Required Skills ... Microsoft SQL Server ,HTML,CSS , JavaScript , Microsoft .NET Framework Consults with clients and ...

Sarian, Inc.

UI Developer (HTML/CSS)

Atlanta, GA · On-site

$48 - $62.50/hr

Role: UI Developer (HTML/CSS) Location: Charlotte, NC / Dallas, TX / Atlanta, GA / Waltham (near Boston), MA Fulltime position Onsite position JD: Skill: UI Developer (HTML/CSS) * 5 year of ...

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How much do temporary senior css html developer jobs pay per hour?

As of Aug 19, 2026, the average hourly pay for temporary senior css html developer in the United States is $61.73, according to ZipRecruiter salary data. Most workers in this role earn between $52.40 and $69.23 per hour, depending on experience, location, and employer.

What is the difference between Temporary Senior Css Html Developer vs Temporary Front-End Developer?

AspectTemporary Senior Css Html DeveloperTemporary Front-End Developer
Required SkillsAdvanced HTML, CSS, JavaScript, problem-solving, mentoringHTML, CSS, JavaScript, basic problem-solving
Experience LevelSenior-level, 5+ yearsMid-level, 2-4 years
Work EnvironmentProject leadership, code review, mentoringImplementing UI features, collaborating with designers
CertificationsRelevant certifications (e.g., CSS, HTML, JavaScript)Basic certifications or none

The main difference between a Temporary Senior Css Html Developer and a Temporary Front-End Developer lies in experience, responsibilities, and skill level. The senior role involves leadership, advanced problem-solving, and mentoring, while the front-end developer focuses on implementing UI features with less emphasis on leadership. Both roles require strong HTML and CSS skills, but the senior position demands more extensive experience and certifications.

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Temporary Senior Css Html Developer jobs near you
Infographic showing various Temporary Senior Css Html Developer job openings in the United States as of August 2026, with employment types broken down into 82% Full Time, 2% Part Time, and 16% Contract. Highlights an 80% Physical, 6% Hybrid, and 14% Remote job distribution, with an average salary of $128,400 per year, or $61.7 per hour.

HTML/CSS - Senior Developers - AI Training - Nashville, USA

Prolific

Remote

$55.75 - $73.75/hr

Full-time

Re-posted 27 days ago

Job description

Job Summary:
Prolific is a leading company in the AI sector, focused on building a vast pool of quality human data. They are seeking Senior HTML/CSS Developers to join their Expert Network to help train and evaluate advanced AI models by reviewing and validating AI-generated frontend code and design.
Responsibilities:
• Evaluate Code Accuracy: review AI-generated HTML/CSS for functional correctness, semantic structure, and adherence to best practices.
• Validate Logic & Reasoning: audit the step-by-step explanations provided by AI for layout solutions and styling approaches to ensure they are technically sound.
• Conduct Execution Testing: render model-generated markup and stylesheets in appropriate environments to verify visual output and cross-browser behaviour.
• Annotate Model Performance: identify areas where a model produces inaccessible markup, inefficient selectors, deprecated attributes, or hallucinated CSS properties.
• Refine Technical Logic: provide structured feedback on how models reason through responsive design, component architecture, or design system implementation.
Qualifications:
Required:
• Educational Background: a BSc or higher in Computer Science, Software Engineering, Web Development, or a closely related technical field.
• Professional Experience: real-world experience as a Senior Frontend Developer or UI Engineer specialising in HTML/CSS.
• Coding Proficiency: ability to independently build complex, responsive layouts and components without relying on frameworks or libraries.
• Deep Domain Knowledge: expert understanding of the CSS cascade, specificity, the box model, Flexbox, CSS Grid, accessibility standards (WCAG), and cross-browser compatibility.
• Code Quality: a high standard for clean, semantic markup and maintainable CSS, including adherence to BEM methodology, design tokens, and modern CSS standards.
• Core Languages: expert mastery of HTML5 and CSS3/4, including custom properties, animations, and modern layout systems.
• Frameworks & Methodologies: extensive experience with Tailwind CSS, SASS/SCSS, or CSS Modules, and familiarity with component-driven design systems.
• Testing & Tools: proficiency with browser DevTools, accessibility auditing tools (e.g., axe, Lighthouse), and cross-browser testing platforms.
Company:
Building the most advanced global infrastructure for People Science. Founded in 2014, the company is headquartered in London, GBR, with a team of 51-200 employees. The company is currently Growth Stage.

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