Contentful Lead Developer
Confirmed on the employer's own hiring board on Nov 9, 2026. First seen by Alion on Nov 6, 2026. Publicis Groupe scores A on the Alion truth index.
Overview
About Business Unit:
As part of the Digital Integration Services team, you’ll be at the forefront of modernizing marketing and delivering ground-breaking solutions. From crafting data-driven, personalized experiences that customers truly value to turning marketing visions into reality - we empower brands to achieve their goals.
Our team of 1,200 experts in strategy, analytics, creative, and digital experience uses innovative technology and data-driven insights to craft relevant, customer-centric strategies for the world’s leading brands.
Role Summary
We are seeking a Contentful CMS Technical Lead to spearhead our modern, headless content architecture. In this role, you will bridge the gap between business strategy and technical execution, designing highly scalable content models, building custom Contentful apps, and leading frontend engineering teams. You will ensure our digital platform remains fast, secure, and intuitive for both developers and non-technical content editors.
Why we are looking for you
- Analyzing user requirements.
- Ensures delivery of assigned coding tasks to follow the design.
- Ensure the code deliverable meets the coding standard.
- Ensures that the code meets the quality requirements.
- Works closely with the leads to ensure that project timelines and deliverables are met.
- Ability to move seamlessly across multiple projects to ensure priority deliverables are met.
What you will enjoy in this role:
Enhances organization reputation by accepting ownership for accomplishing new and different requests; exploring opportunities to add value to job accomplishments.
You will work on enterprise-scale digital experiences where structured content, headless delivery, API-first implementation, editorial governance, localization, CI/CD, and modern front-end engineering come together to support global clients. Contentful’s enterprise positioning emphasizes API-first, cloud-native architecture, multi-channel content operations, localization/personalization, custom roles and permissions, SSO/SCIM, audit logs, and enterprise security/compliance capabilities.
Click here to view how Epsilon transforms marketing with 1 View, 1 Vision, 1 Voice.
Responsibilities
What you will do:
Technical Core (Contentful Expertise)
- Advanced Content Modeling: Proven ability to architecture complex, reusable content schemas and relationships.
- API Proficiency: Deep hands-on experience with Contentful Delivery, Management, Preview, and GraphQL APIs.
- App Framework: Experience building custom UI extensions and apps using the Contentful App Framework.
- Environment Management: Mastery of space topologies, environment aliases, and migration CLI tools.
- Must have certification: Contentful Certified Professional.
Architecture & Frontend Integration
- Modern JavaScript: Expert knowledge of Node.js and frontend frameworks like Next.js.
- MACH Architecture: Strong understanding of Microservices, API-first, Cloud-native, and Headless architectures.
- CI/CD Automation: Experience automating content migrations and code deployments via tools like GitHub Actions.
- Caching & CDN: Deep understanding of Edge caching, webhooks, and optimizing API response payloads.
Leadership & Collaboration
- Engineering Mentorship: Track record of leading developer teams and establishing strict code review standards.
- Cross-Functional Communication: Ability to translate complex technical architectures into simple concepts for content authors.
- Agile Governance: Experience setting up custom workflow permissions, roles, and content release lifecycles.
Qualifications
- At least 8+ years of experience in Contentful CMS. 6+ years in web development, with at least 2+ years specifically leading enterprise Contentful implementations.
- Excellent written and verbal communications skills with an emphasis on confidentiality, tact, and diplomacy.
- Familiarity with agile ceremonies (preferably Scrum).
- Minimum qualifications - 4-year Computer Science degree or comparable education.
Additional Information
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.
Epsilon is an Equal Opportunity Employer. Epsilon is committed to promoting diversity, inclusion, and equal employment opportunities by using reasonable efforts to attract, recruit, engage and retain qualified individuals of all ethnicities and backgrounds, including, but not limited to, women, people of color, LGBTQ individuals, people with disabilities and any other underrepresented groups, traits or characteristics.