About the role

Senior Backend Engineer designing scalable payment systems for commercetools. Collaborating with Product Management and leading architecture reviews in a hybrid work environment.

Responsibilities

Work closely with Product Management to understand the business needs and find appropriate technical solutions
Design, own and operate scalable, secure payment systems that handle financial transactions efficiently in a multi‑tenant Cloud/SaaS environment
Lead architecture reviews, make trade‑off decisions for scalability, security and maintainability, and coach other engineers on design and implementation
Design, implement and test in-store payment and payment device interactions including credit/debit, gift cards, digital wallets, and more
Contribute to the definition of the team roadmap
Lead end to end design, delivery, and reliability of our solutions
Define and drive platform patterns, CI/CD improvements, SLIs and SLOs, observability and testing strategy for our solutions' flows
Work with engineers from different teams to ensure technical excellence of the whole platform
Ensure that functional and non-functional requirements (performance, security) are met
Take part in on-call rotation (with the worldwide distributed team) for production systems

Proven experience as a TypeScript backend engineer building and operating large-scale production systems, including designing CI/CD pipelines, integrating observability tooling, and implementing structured logging, among other platform best practices
Solid understanding of parallel and asynchronous programming, as well as non-blocking I/O
Solid grasp of distributed systems fundamentals, including consistency models, replication, and asynchronous processing, with a clear understanding of their practical trade-offs
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 events
Ability to work in a hybrid environment
AI Aptitude: A genuine curiosity for using AI tools to work smarter and more effectively, paired with a drive to learn and put them into practice in your role.

Comprehensive health benefits for you and your dependents, including access to OpenUp for personalized mental health support
Learning and development opportunities including an annual learning budget, access to self-paced learning platforms and language training, personalized coaching, mentorship, and leadership programs
Family Leave Plus gives you additional fully paid weeks of parental leave on top of government-provided leave, so you can spend more time with your new addition
Our equity participation program allows you to share in our success