Senior Full Stack Engineer

Permanent employee,Full or part-time
· Berlin Your mission

Responsibilities:

Design, develop, and maintain scalable web applications using modern frontend and backend frameworks.

Implement micro-frontend architectures and integrate with distributed backend services.

Build and consume RESTful APIs; ensure robust automated testing across the stack.

Contribute to CI/CD pipelines and cloud-native deployments.

Participate in code reviews, architectural discussions, and continuous improvement.

Requirements:

Strong experience with component-based frontend frameworks and typed languages (React, Type Script, and modern frontend tooling)

Proficiency in backend development with Python or similar languages; familiarity with both synchronous and asynchronous patterns.

Experience with containerization, orchestration, and cloud infrastructure.

Solid understanding of micro-frontend and microservice architectures.

Familiarity with automated testing, code quality tools, and collaborative workflows.

Ability to work with both legacy and modern systems, and automate repetitive tasks.

You can’t imagine working without agile methods

You care deeply about software craftsmanship, including clean code, TDD, and continuous delivery

You actively practice the Dev Ops mindset

English with at least B2 level, German is a big plus

Nice to Have:

Proficiency in other languages (Kotlin, Go, Rust)

Knowledge about CQRS/event sourcing pattern

Experience with infrastructure automation and cloud platforms, and Infrastructure as Code

Knowledge of educational technology or large scale SaaS platforms.

Enjoy flexible hybrid work, with up to 2 remote days per week. Y ou need a working permission in Germany by EU-Nationality or any other means and have to be willing to relocate if you don't live already in the Berlin area.

better marks was founded in 2008 and has since become a leading developer and provider of adaptive learning systems. The edtech company offers unique and effective adaptive learning solutions, setting new standards in the field of digital learning. The interdisciplinary team of mathematicians, educators, software developers, and computer scientists is supported and accompanied by renowned institutions and partner companies from science, technology, and education.

In Germany, better marks is currently used for mathematics by more than 20,000 teachers with around 500,000 students.