Senior Backend Engineer - eCommerce & Retail (m/f/x)

Our Guiding Stars are the values at the heart of our organization that drive everything we do. We are committed to creating meaningful change not only in our industry but also in the communities we engage with. If our Guiding Stars resonate with you, we encourage you to consider joining our team.

• Drive Results: We think big, work smart, and execute fast to transform the future of commerce
• Cultivate Belonging: We welcome diverse backgrounds and experiences, driving positive change through inclusion and teamwork
• Champion Customers: We go the extra mile for our customers to help them unlock their full potential
• Adapt Boldly: We're curious and innovative, we take risks and grow from our failures

The Opportunity:

As our Senior Backend Engineer, you'll work closely with our Product Manager and Omnichannel Leader to enable retailers to use commercetools' solutions across channels. You'll work closely with enthusiastic and experienced retail specialists in an agile and international environment with a modern, evolving tech-stack. If you work with passion, love clean code, and like to understand the big picture, this role is a great match!

This role offers a hybrid work environment with three days a week in our local office.

Your Mission:

• Design and develop scalable and secure payment systems to handle financial transactions securely and efficiently in a multi-tenant Cloud/SaaS environment
• Design, implement and test in-store payment and payment device interactions including credit/debit, gift cards, digital wallets, and more
• Work closely with Product Management to understand the business needs and find appropriate technical solutions
• Contribute to the definition of the team roadmap
• Ensure that functional and non-functional requirements (performance, security) are met
• Work with engineers from different teams to ensure technical excellence of the whole platform
• Take part in on-call rotation (with the worldwide distributed team) for production systems

What you need to succeed:

• 5+ years of experience as a Backend developing server-side systems
• Experience with Typescript or Javascript
• Solid understanding of parallel and asynchronous programming, as well as non-blocking I/O
• Experience in developing REST API's and knowledge of scalable architectures
• Knowledge of document databases (MongoDB) and API interaction tools (such as Postman, or similar)
• Fluent written and verbal English language skills for work in international teams
• The aspiration to constantly improve yourself and learn new technologies and concepts
• A good understanding of Agile methodologies and participation in sprint rituals
• Ability to work in a hybrid environment - remotely for development but commuting to a London lab for physical device work

Nice to have:

• Engineering experience supporting a physical setting including payment processing and PED devices
• Experience integrating, implementing, and supporting at least one major PSP provider/gift card processor such as Adyen, Stripe, Paypal Braintree, Worldpay, GlobalPay, GiveX, Clutch, Elavon, or Savvy
• Knowledge of cash accounting principles, payments localisation considerations such as currency and cash rounding, and change for charity
• Experience with PCI DSS
• Experience with MACH principles and solutions composed in MACH environments
• Experience with customer-centric payments such as corporate debtor account, purchase orders, loyalty points payments, or coupon tender

We care about your growth and well-being

💰 Competitive Compensation Package: Generous compensation structure consisting of salary, a competitive stock option package, and various benefits and perks

☀️ Workation: Work up to 60 days per year in a country different from your home country, with 20 working days per trip

💻 Learning & Development Budget

📚 Academy: Regular training sessions, access to Coursera and Babbel training courses

🙌 Our Benefits: Check them out by office here

⌚️ Flexibility: Morning person or night owl? We believe in outcome and motivated employees

🚀 Mindset & Growth: A diverse workplace with an open, international culture, and learning environment

Come grow with us!

We are all different and that is what makes us stronger! We hire great people from a wide variety of backgrounds, not just because it's the right thing to do, but because it makes our company better.

At commercetools, we are proud to be an equal opportunity workplace. We are committed to fair hiring practices regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity or Veteran status. We also consider qualified applicants regardless of criminal histories, consistent with legal requirements.