Senior Full Stack Engineer

• 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.

Do you have experience in Software development?, * Strong experience with component-based frontend frameworks and typed languages (React, TypeScript, 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 DevOps 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.

On Site Expectation:

Enjoy flexible hybrid work, with up to 2 remote days per week. You 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.

Why us?At bettermarks, you help build a product with real educational impact, empowering students in grades 4-12 to succeed at school. Our mission: to make individualized support easier for teachers and to provide students with an intuitive and effective learning experience. You can expect: * An international team of developers, educators, mathematicians, and digital experts. * A centrally located workplace in the heart of Kreuzberg with excellent public transport connections. * Home office days and flexible working hours. * Collaboration in an open team with flat hierarchies. * 28 vacation days with additional 2 days (Xmas Eve and NY Eve) off * Enjoy unlimited travels with our Employer-subsidized Germany Ticket (Deutschland Job Ticket) for nationwide public transport * Stay healthy with our subsidized Urban Sports Club membership for fitness and wellbeing * We offer a corporate pension schema * Get corporate discounts on hundreds of products of top brands Auf diese Stelle bewerbenAbout usbettermarks 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, bettermarks is currently used for mathematics by more than 20,000 teachers with around 500,000 students.