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Senior Software Engineer; Squad

Job in London, Greater London, England, UK
Listing for: Epsilon
Full Time position
Listed on 2025-10-08
Job specializations:
  • Software Development
    Software Engineer, Full Stack Developer
Job Description & How to Apply Below
Position: Senior Software Engineer (Experiences Squad)
Overview

We are hiring a Full-stack Software Engineer to join our London team as part of the Experiences Squad. We’re looking for someone who thrives in a fast-paced environment, wants to make a positive impact, and embraces self-growth and continuous learning.

What You’ll Do

As an engineer in the Experiences Squad, you will bring a first-class UX to our Accelerate Conversion Platform, increasing its reach. The squad owns features such as platform authentication, Accelerate Experience Builder and Renderer. Your code will be used by thousands of large ecommerce brands to configure and analyse personalized website experiences. To date, over 180,000 experiences have been created and rendered via the Accelerate Conversion Platform, reaching 400 million+ shoppers across the web.

You will help extend Epsilon’s reach even further.

Who You Are / Qualifications
  • 5+ years of commercial software engineering experience.
  • Experience with Node.js & Type Script.
  • Experience building REST APIs.
  • Past exposure to scrum/agile software development processes.
  • Able to thrive in agile environments.
  • Team spirited and eager to contribute to product, processes and share knowledge with others.
Nice to Have
  • End-to-end experience working on product features.
  • Previous exposure to ecommerce or personalization.
  • Willingness to work across multiple layers on full-stack services.
  • Love variety and enjoy rotating teams to learn from others.
  • Excellent Type Script skills (front-end and back-end with Node.js).
  • Experience with Angular and/or React with Tailwind.
What We Offer

Hybrid working opportunities with the London office in the Iconic Television Centre, White City. We offer competitive compensation, a comprehensive benefits package and opportunities to advance your career.

About Epsilon

Epsilon is a global data, technology and services company powering the marketing and advertising ecosystem. We process 400+ billion consumer actions each day using advanced AI. We hold patents in real-time modeling languages and consumer privacy technologies. Epsilon is a global company with more than 9,000 employees worldwide.

Values
  • Act with integrity.
  • Work together to win together.
  • Innovate with purpose.
  • Respect all voices.
  • Empower with accountability.
Equal Opportunity

As part of our commitment to an inclusive and diverse workforce, Epsilon is an equal opportunity employer. We provide equal access to opportunity regardless of race, age, sex, disability, neurodiversity, sexual orientation, gender identity, pregnancy and maternity, marriage and civil partnership, religion or belief. We are committed to providing reasonable adjustments for candidates in our application process.

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Position Requirements
10+ Years work experience
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