Senior Front-End Developer, Creative and Marketing

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Company Description

For 25 years, Level has developed marketing solutions for some of the world’s most innovative brands. We believe the best solutions come from collaborative working partnerships with our clients. Whether an established brand, or a start-up, we believe in the power of creative strategy, design, and technology to solve business challenges.

Level Studios is seeking a freelance Sr. Front-End Developer to support the creation, enhancement, and updating of innovative and unique product/marketing pages and web applications for our consumer electronics client.

Are you a passionate front-end developer with exceptional HTML, CSS, and JavaScript skills? Do you have experience working directly with cross‑functional teams, clients, and stakeholders to deliver, defend, and iterate on the solutions you build? Do you want to collaborate with a world‑class team to create and deliver high‑quality, pixel‑perfect interactive digital experiences seen by millions? If so, let’s talk about the exciting opportunities at Level Studios as we tackle increasingly complex digital client engagements!

The primary technical toolkit for this role will be HTML, CSS, Java script, Handlebars, SASS, and GIT; experience with the Greensock animation library is preferred. Other modern development tools such as Three.

JS, React, and Node may also be leveraged.

• This is a 40hr/week freelance role expected to start in mid‑June and run for a period of 3‑4 months. Conversion into a full‑time role following the completion of the freelance period is possible but not anticipated.
• This role is based out of our San Francisco office and candidates should expect to work Pacific Time hours.
• The majority of the work can be completed remotely but some occasional onsite collaboration may be required. Therefore, candidates local to the Bay Area (including San Jose, Santa Clara, Sunnyvale, and similar surrounding locations) will be prioritized but highly qualified candidates in other markets may also be considered.
• We are not able to support any form of current or future visa sponsorship needs for this role. No 3rd party‑staffing agencies, please.

• Develop and maintain custom frameworks and design systems that power some of the world’s most visible website experiences.
• Build custom tools to support development processes.
• Contribute to existing SASS and JavaScript libraries used at scale.
• Maintain and expand documentation for custom frameworks.
• Collaborate and ideate on new features for existing systems.
• Work with the creative team to enhance application design across multiple platforms.
• Build detailed and performant JavaScript interactions using vanilla JavaScript.
• Work closely and collaboratively with team members across multiple disciplines.
• Develop and deliver high‑quality code to create new features and resolve bugs in clients’ custom frameworks, including both the Core library and the Editor GUI.
• Review requirements with the client’s framework DRI, partners, and clients as needed to ensure proper understanding and execution.
• Partner with the QE team to ensure high‑quality test plans and proper coverage of framework features.
• Create a device/performance catalog for real‑time WebGL experiences based on parameters defined by the team.
• Revise onboarding documentation, with a focus on framework developers.
• Partner with various teams and stakeholders to share information, manage project status, and drive success for potential and existing collaborative business opportunities both within the pillar and across Publicis Groupe.

• There is no specific educational requirement for this role
• 5-7 years of prior front‑end development experience is required; prior experience working alongside a marketing or creative team in a consultancy, advertising agency, or large, complex corporate environment is strongly preferred.
• Deep experience working on .com projects including innovative and unique product/marketing pages and web applications.
• Expert‑level proficiency in writing custom vanilla JavaScript from scratch without the need for libraries and experience…