Weekend Frontend Developer Jobs in Des Plaines, IL

Overview
As a Creative Technologist, you will bridge the gap between technical execution and creative vision, automating workflows and building data-driven digital experiences that connect brands with consumers. Reporting to the Senior Director, Creative Technology, you will collaborate daily with Art Directors, Digital Producers, and Engineers to turn innovative ideas into high-performance reality.
This is an outstanding opportunity for a tinker at heart. Join a team of over 100 specialists leading a transformative wave in digital media. You will work on Creative Innovation Projects, applying AI models, timely engineering techniques, and new technologies to address challenges and elevate our proprietary tools. By blending your curiosity with technical insight, you will directly influence Epsilon's overall direction and ensure we deliver outstanding, impactful work from day one.
Responsibilities

• Mastery of Emerging Tech: Advance your skills in GSAP, AI frameworks, and prompt engineering to stay at the forefront of the creative technologist field.
• Proprietary Innovation: Prototype Epsilon's next generation of advanced creative tools, keeping our agency ahead of the digital media revolution.
• Operational Excellence: Automate workflows to increase team capacity and scale high-volume, data-driven experiences for global clients without sacrificing quality.
• Cross-Functional Leadership: Act as a vital bridge between 100+ designers and engineering partners, translating technical constraints into creative wins.
• Strategic Influence: Provide direct input into the company's strategic direction and navigate "uncharted waters" to avoid technical pitfalls.
• Global Career Growth: Access specialized training and certifications with a clear advancement path within the Publicis Groupe network.

Qualifications
What you'll bring with you

• 3-5 years of experience with HTML5, CSS3, JavaScript (ES6+), and version control (Git).
• Proficiency in prototyping and experimentation using Cursor, Figma, Adobe Creative Suite, or Canva.
• A proven understanding of visual design, typography, and responsive, cross-platform development.
• Strong debugging skills and the ability to autonomously troubleshoot complex environments.
• A Bachelor's degree or equivalent experience in Computer Science, Design, Digital Media, or completion of a relevant coding bootcamp.

Why you might stand out from other talent

• You don't just use AI; you know how to apply prompt and context engineering to tackle unique design challenges.
• You are naturally curious and take action-whether building custom Python/Bash scripts or exploring new SDD frameworks.
• You navigate fluently between creative brainstorming and engineering logic, acting as the "connective tissue" for the team.
• You value speed-to-feedback, prototyping ideas quickly to gather data, and iterating until the solution is best-in-class.
• Familiarity with Snowflake or similar data analytics software and experience in vertical markets like finance, healthcare, CPG, or retail.

Click here to view how Epsilon transforms marketing with 1 View, 1 Vision, 1 Voice.
Additional Information
When You Join Us, We'll Create Something EPIC Together
Epsilon is a global data, technology and services company that powers the marketing and advertising ecosystem. For decades, we've provided marketers from the world's leading brands the data, technology and services they need to engage consumers with 1 View, 1 Vision and 1 Voice. 1 View of their universe of potential buyers. 1 Vision for engaging each individual. And 1 Voice to harmonize engagement across paid, owned and earned channels.
Epsilon's comprehensive portfolio of capabilities across our suite of digital media, messaging and loyalty solutions bridge the divide between marketing and advertising technology. We process 400+ billion consumer actions each day using advanced AI and hold many patents of proprietary technology, including real-time modeling languages and consumer privacy advancements. Thanks to the work of every employee, Epsilon has been consistently recognized as industry-leading by Forrester, Adweek and the MRC. Epsilon is a global company with more than 9,000 employees around the world.
Our pillars aren't just words. They're how we show up every day.

• People centricity: We focus on employee well-being in an environment where colleagues truly care about each other.
• Collaboration: We work together, support one another, and collectively achieve goals.
• Growth: There are endless opportunities for growth through learning, development and career advancement.
• Innovation: We drive progress through cutting-edge solutions and forward-thinking approaches.
• Flexibility: We've created a balance between work and personal life, and we encourage adaptability to solve problems creatively.

Our values guide us to create value for our clients, our people and consumers.

• Act with integrity
• Work together to win together
• Innovate with purpose
• Respect all voices
• Empower with accountability

These pillars and values are our foundation-shaping our culture, guiding our decisions, and uniting us in common purpose.
Because You Matter
As an Epsilon employee, you deserve perks and benefits that put you, your family and your finances first. Our benefits encompass a wide range of offerings, including but not limited to the following:

• Time to Recharge: Flexible time off (FTO), 15 paid holidays
• Time to Recover: Paid sick time
• Family Well-Being: Parental/new child leave, childcare & elder care assistance, adoption assistance
• Extra Perks: Comprehensive health coverage, 401(k), tuition assistance, commuter benefits, professional development, employee recognition, charitable donation matching, health coaching and counseling

Epsilon benefits are subject to eligibility requirements and other terms.
Epsilon is an Equal Opportunity Employer. Epsilon's policy is not to discriminate against any applicant or employee based on actual or perceived race, age, sex or gender (including pregnancy), marital status, national origin, ancestry, citizenship status, mental or physical disability, religion, creed, color, sexual orientation, gender identity or expression (including transgender status), veteran status, genetic information, or any other characteristic protected by applicable federal, state or local law. Epsilon also prohibits harassment of applicants and employees based on any of these protected categories. Epsilon will provide accommodations to applicants needing accommodations to complete the application process. Please reach out to LeaveofAbsence@epsilon.com to request an accommodation.
For San Francisco Bay and Los Angeles Areas: Epsilon will consider for employment qualified applicants with criminal histories in a manner consistent with the City of Los Angeles' Fair Chance Initiative for Hiring Ordinance and San Francisco Police Code Sections 4901-4919, commonly referred to as the San Francisco Fair Chance Ordinance. Applicants with criminal histories are welcome to apply.
#LI-VO1
Compensation Range: USD $55,400.00 - USD $102,800.00/Annually. This is the pay range the Company believes it will pay for this position at the time of this posting. Consistent with applicable law, compensation will be determined based on the skills, qualifications, and experience of the applicant along with the requirements of the position, and the Company reserves the right to modify this pay range at any time. Temporary roles may be eligible to participate in our freelancer/temporary employee medical plan through a third-party benefits administration system once certain criteria have been met. Temporary roles may also qualify for participation in our 401(k) plan after eligibility criteria have been met. For regular roles, the Company will offer medical coverage, dental, vision, disability, 401k, and paid time off. The Company anticipates the application deadline for this job posting will be 9/30/2026.