Full-Stack Web Developer Job at Epsilon Strategy & Insights in Chicago

As a Full Stack Developer on the Automation & Infrastructure team, you’ll design and develop innovative, custom tools that streamline workflows and solve real business challenges. You’ll collaborate closely with project managers, operations teams, and internal partners to understand requirements and translate them into practical, data-driven solutions. You will contribute to all stages of the development lifecycle, from design and implementation to deployment and support. The ideal candidate will be committed to delivering scalable solutions, collaborative problem solving, and delivering high-quality, impactful applications that support internal teams.

What You’ll Achieve

• Build and maintain modern, responsive applications using TypeScript and leading web frameworks.

• Develop secure, well-structured RESTful APIs with Node.js and frameworks such as Express and NestJS.

• Deliver end-to-end solutions that are reliable, maintainable, and aligned with business priorities.

• Write clean, performant, and maintainable code that adheres to standard processes.

• Contribute to deployment processes, system monitoring, and ongoing application support.

• Explore opportunities to integrate AI/ML services where they can improve efficiency or user experience

Who You Are

• What you’ll bring with you:

o Bachelor’s degree in Computer Science or related field, or equivalent experience.

o 2+ years of experience in full-stack web development.

o Strong proficiency in TypeScript and a modern frontend framework (e.g., Angular, React, Vue).

o Experience with Node.js and backend JavaScript frameworks (e.g., Express, NestJS).

o Solid background in building data-driven web applications and integrating APIs.

o Skilled in UI/UX design with experience developing intuitive interfaces using modern libraries and custom components.

o Proficient with Git and collaborative development workflows.

o Working knowledge of relational databases and SQL (PostgreSQL, MySQL, etc.).

o Comfortable developing and deploying in Linux-based environments.

o Strong troubleshooting skills with a creative problem-solving approach.

o Ability to manage multiple competing priorities across diverse products and environments.

o Excellent verbal and written communication skills

o Detail-oriented, self-motivated, and an effective collaborator across teams.

• Why you might stand out from other talent:

o Experience with Docker, scripting languages (e.g., Bash, Python, PHP), or containerized deployments.

o Exposure to AI/ML concepts and hands-on experience integrating AI services or APIs (e.g., OpenAI, Hugging Face, Azure Cognitive Services, AWS AI tools).

o Familiarity with modern DevOps practices, including CI/CD

o Demonstrated ability to design scalable, maintainable solutions with a focus on performance and sustainability.

o A passion for building creative, impactful tools and a track record of delivering solutions that improve workflows or user experience.

Base Salary: $62,250 – $103,750 

Actual compensation within the range will be dependent upon, but not limited to the individual’s skills, experience, qualifications, location and application employment laws. The salary pay range is subject to change and may be modified at any time.

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.

Epsilon has a core set of 5 values that define our culture and guide us to create value for our clients, our people and consumers. We are seeking candidates that align with our company values, demonstrate them and make them meaningful in their day-to-day work: 

• Act with integrity. We are transparent and have the courage to do the right thing.

• Work together to win together. We believe collaboration is the catalyst that unlocks our full potential.

• Innovate with purpose. We shape the market with big ideas that drive big outcomes.

• Respect all voices. We embrace differences and foster a culture of connection and belonging.

• Empower with accountability. We trust each other to own and deliver on common goals.