We are looking for a Senior Fullstack Engineer to join our B2B Live Team in Berlin. 

B2B Live offers online tutoring classes, taught live online, with a certified language teacher and a small group of students. In your role as a Fullstack Engineer, your mission will be to change the future of language learning while working in a flexible and stimulating environment. Working in a diverse team together with motivated colleagues, you will be collaborating and diving into different disciplines to broaden your knowledge in other fields of expertise as well as share your own. You will contribute to great architecture and build the base of an easily extendable and well-maintained application.

As part of the B2B Live team, you will help shape the architecture of our scheduling and booking systems and enhance their capabilities while keeping a close focus on maintainability and scalability. You will work in a diverse and fast-paced environment with an up-to-date tech stack based on serverless principles and event-driven architecture.

You will:

• Collaborate cross-functionally on feature design, architectural decisions, and assessing technical debt
• Shape our coding guidelines and quality standards
• Create user interfaces for a smooth user journey between booking and the virtual classroom
• Build APIs to integrate B2B Live with frontend SPAs, as well as with third-party tools

You have:

• 5+ years of experience building scalable systems and applications using Node.js and TypeScript, ideally hosted on AWS
• At least 2+ years of experience with AWS
• Profound experience building serverless architectures (e.g. AWS Lambda and AWS API Gateway)  and event-driven architecture
• Knowledge of NoSQL databases, ideally DynamoDB
• 3+ years of experience with a component-based frontend framework like React
• Strong sense for good API design and knowledge of third-party API integrations
• Knowledge of analysing metrics about system health and performance (CloudWatch, PagerDuty, Rollbar)
• Can-do attitude to build MVPs and iterate on them in short cycles
• Testing experience on different levels: unit, integration, contract, and E2E

Nice to have:

• Experience with Ruby on Rails
• Experience with 
• AWS Step Functions
• Monorepo 
• cross-browser development 
• building scheduling systems
• On-call rotation 

• Experience with infrastructure-as-code and infrastructure automation, ideally with Terraform
• Hands-on experience with virtual classroom systems

Please note that our company’s operating language is English, so you will need to be able to work in English.

Some perks of becoming a Babbelonian:

• Enjoy 30 vacation days. Plus family and life situation counseling.
• Set up the right schedule for you with flexible working hours and enjoy Jobbatical (up to 3 months working inside the EU and the UK), plus work from our fully equipped office with nap, faith and family rooms.
• Learn and grow with the internal learning opportunities, and use a yearly learning & development budget for external training. Learn languages with Babbel for free with your full access to Babbel.
• Take advantage of your mobility benefits options and a discounted Urban Sports Club membership.
• Be part of our DE&I Community Networks (such as FLINTA in Tech, and Queer Collective), attend cultural and regular social events.

Diversity at Babbel

As part of our ongoing journey towards building a diverse, equitable and inclusive company, we welcome everyone to apply, especially those individuals who are underrepresented in tech. We are a learning company, inside and out, and we encourage you to apply even if you do not fit all the technical requirements - all candidates are assessed based on skills, qualifications and on our business needs. Please state your pronouns in your application, and let us know if you’d like to be addressed by a name other than the one appearing on your official documents. If you have a disability or special need, feel welcome to inform us, so that we can provide you with the proper assistance in the application process.