Fullstack Engineer, Shopify

Reposted 2 Days Ago
Be an Early Applicant
Berlin, DEU
In-Office
Mid level
Information Technology • Marketing Tech • Software
Talon.One is the world’s most sophisticated, API-based Promotion Engine.
The Role
The Fullstack Engineer will build and maintain Shopify integrations, develop front-end applications, and collaborate with backend engineers to enhance Shopify merchant experiences.
Summary Generated by Built In

ABOUT THE TEAM:

Our development team consists of specialists in frontend, backend, QA, product, and visual design. We work in small cross-functional teams that give everybody insight and hands-on experience of what everyone else is doing. Each team is self-sustained, autonomous, and responsible for a specific feature or area in our platform. We believe in strong collaboration, open communication, and mentoring to allow bi-directional growth. We are working to make Talon.One an inclusive workplace because we believe it is the right thing to do and because we want to have a positive impact on the entire tech industry.

We are looking for a mid-level Shopify Developer with a strong front-end engineering focus to help build and maintain integrations between Shopify and the Talon.One promotion engine.

In this role, you will primarily work on Talon.One front-end application and embedded Shopify apps that are used by Shopify merchants to configure, manage, and monitor how Talon.One promotions are applied in their stores. You will collaborate closely with backend engineers, product managers, and solution teams to deliver reliable, intuitive, and high-quality integration experiences.

For this position, we need professionals who are already based in Berlin or are willing to move to Berlin.


ONCE YOU ARE HERE YOU WILL:

  • Build and maintain front-end applications using React and TypeScript for Shopify merchants.
  • Develop and improve embedded Shopify apps, including setup flows, configuration UIs, and diagnostics.
  • Integrate front-end applications with Shopify APIs (Admin API, Storefront API, Webhooks), primarily using Shopify’s GraphQL APIs.
  • Collaborate with backend engineers working in Rust and Go to define and consume APIs.
  • Implement clean, maintainable, and well-tested front-end code following modern best practices.
  • Work closely with the Product and Solutions teams to ensure a smooth merchant experience from installation through daily use.
  • Contribute to improving internal patterns, documentation, and developer experience around Shopify integrations.

WHAT WE NEED YOU TO BRING TO THE TABLE:

  • Professional experience building front-end applications with React and TypeScript.
  • Strong understanding of modern front-end fundamentals (component design, state management, forms, performance, accessibility).
  • Experience or hands-on exposure to Shopify app development or e-commerce integrations.
  • Familiarity with Shopify APIs, especially the Shopify Admin and Storefront GraphQL APIs.
  • Experience integrating front-end applications with REST and/or Shopify-specific GraphQL APIs.
  • Comfortable collaborating with backend engineers and working with existing backend services.
  • A pragmatic mindset with attention to quality, usability, and maintainability.

STRONG PLUS, IF YOU HAVE: 

  • Previous experience building embedded Shopify apps used by merchants in production.
  • Working knowledge of Rust and/or Go, or willingness to learn backend technologies.
  • Experience with webhooks, event-driven workflows, or async integrations.
  • Exposure to checkout, cart, pricing, or promotion flows in e-commerce systems.

ABOUT TECHNOLOGY: 

  • Kubernetes running on Google Cloud
  • PostgreSQL
  • We use Go for our API, core logic, and internal tooling
  • TypeScript, React, Redux, and CSS modules for our web application
  • Cypress for automated end-to-end testing
  • Other odds & ends in JavaScript and shell script

WHAT'S IN IT FOR YOU:
  • A Research and Development Department of 90+ of engineers, product managers and product designers in Berlin
  • Leaders with 8+ years of experience building our promotions engine 
  • €1,000 annual learning budget, full LinkedIn Learning access, and free German language courses to boost your skills
  • 30 days of annual leave, plus extra paid days for your birthday and moving day
  • Home office setup budget, a monthly home office allowance
  • Freedom to work from abroad for up to 90 days worldwide!
  • Mental health support with nilo.health and a discounted Urban Sports Club membership
  • 20% company subsidy on your pension contributions
  • Subsidised BVG public transport ticket and a dog-friendly Berlin office where your furry friend is welcome
  • Lease your ideal bike through BusinessBike

WHY YOU SHOULD WORK FOR US:

  • The right attitude: modern methods and a diverse, creative workspace with an open and international culture
  • Everyone for the product: Together we create a flexible, highly scalable product with state-of-the-art technologies. We can only succeed if everyone works as a team
  • Healthy Growth: Growing our company means growing everyone in the team. We love to share knowledge and learn
  • A great environment: Flexible and family-friendly environment, bright and easily accessible offices, modern software and hardware
  • High flexibility degree: Prefer to work early or late at night? Do you have to pick up your children from kindergarten? Do you prefer working abroad? We believe in results and motivated employees

Do you want this job?

We’d love to hear from you! Apply directly via the form below.

Talon.One is an Equal Employment Opportunity employer that proudly pursues and hires a diverse workforce. We do not make employment decisions on the basis of race, color, religious belief, ethnic origin, nationality, sex, gender identity, sexual orientation, disability, age, military or veteran status, or any other basis protected by applicable local, state, or federal laws or prohibited by company policy. As an employer we strive for a healthy and safe workplace and strictly prohibit harassment of any kind.

Find out more about our Candidate Privacy Policy.

Skills Required

  • Professional experience building front-end applications with React and TypeScript
  • Strong understanding of modern front-end fundamentals
  • Experience or hands-on exposure to Shopify app development or e-commerce integrations
  • Familiarity with Shopify APIs, especially the Shopify Admin and Storefront GraphQL APIs
  • Experience integrating front-end applications with REST and/or Shopify-specific GraphQL APIs
  • Comfortable collaborating with backend engineers
  • Attention to quality, usability, and maintainability
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The Company
HQ: Berlin
182 Employees
Year Founded: 2015

What We Do

Talon.One is building the world’s most sophisticated, API-based Promotion Engine. That means we provide the entire backend and user interface our clients need to build loyalty programs, generate coupons, track referrals, create bundles, and really any other promotion solution they can imagine — all using our rule-based engine. We believe that rewarding customers and creating incentives are an essential part of building meaningful relationships and we want to make rich, scalable promotion tools available to marketers in companies of all sizes. From our HQ in Berlin, to our offices in Boston, Birmingham and Singapore, Talon.One is made up of over 96 people from over 40 nationalities. Despite our different origins and our spread across the globe, we all have a few things in common — we love creative problem solving, we value independent thought and we want to give developers and marketers the tools they need to create promotions from scratch in a simpler, more intuitive way.

Why Work With Us

Talon.One is the first all-in-one Promotion Engine, and our technology is now the gold standard for promotion micro services. We’re strong advocates of flexibility in our product and the same is true in our working lives. We don’t believe that your job has to be the most important thing in your life. Everyone has unique reasons to feel inspired by

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