Hybrid Senior Backend Engineer – TypeScript

at commercetools

• Job title: Senior Backend Engineer – TypeScript
• Job type: Full Time
• Experience level: Senior
• Salary: Not specified
• Degree requirement: Bachelor's Degree
• Tech skills: Cloud, Distributed Systems, MongoDB, TypeScript
• Location requirements: Hybrid, Berlin, Germany

About the role

• Senior Backend Engineer building scalable TypeScript payment systems at commercetools. Collaborating with product management to innovate solutions 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

Requirements

• 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.

Benefits

• 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