Senior Fullstack Engineer - Monetization

@ Babbel

Overview

We are looking for a Senior Fullstack Engineer - Monetization to join our Berlin office! Your mission will be to change the future of language learning by ideating and validating a new space for Babbel.

What You Will Do

You will work in a small team with subject matter experts and researchers to bring our mission to reality. Your responsibilities include:

• Deliver value iteratively by building high-quality applications and features
• Build, maintain, and take ownership of a rich ecosystem of applications and services
• Develop end-to-end payment features as part of the Monetization team
• Own architectural design and propose improvements of existing services
• Ensure systems are reliable, efficient, and well-maintained
• Collaborate cross-functionally on feature design and technical decisions
• Shape coding guidelines and quality standards
• Address and resolve operational incidents
• Focus on continuous learning and evolution of engineering practices
• Drive all phases of development from prototypes to scalable solutions
• Maintain understanding of the overall technology stack and infrastructure

Who You Are

You are a good communicator, comfortable in a backend heavy role with AWS and infrastructure experience, and interested in solving problems for our learners.

What You Have

• Experience in fast Build-Measure-Learn cycles
• Solid understanding of API design and third-party API integrations
• Proficient in JavaScript and TypeScript
• Experience with AWS, NoSQL databases and component-based frontend frameworks (React/NextJS)
• Strong skills in HTML, CSS, preprocessors, CSS-in-JS, and multi-level testing
• Ability to collaborate with product and business stakeholders
• Proactive in building MVPs and iterating in short cycles with lean/agile practices
• Excellent communication skills in written and spoken English

Nice to Have

• Experience in fintech/payments domain, ideally Stripe
• Knowledge of Monitoring and Observability (DataDog, CloudWatch, PagerDuty, Rollbar)
• Experience with CICD pipelines using Github actions
• Familiarity with infrastructure-as-code, ideally Terraform

Perks

Enjoy 30 vacation days plus counseling, flexible working hours, Jobbatical option, fully equipped office, internal learning, mobility benefits, discounted Urban Sports Club membership, and DE&I community networks.

Key skills/competency

Senior Fullstack Engineer - Monetization, JavaScript, TypeScript, AWS, NoSQL, React, NextJS, API design, payment integration, agile