Babbel

Product Designer

• Lead design across discovery and delivery, owning key design decisions for AI-first language learning experiences
• Design AI-powered learning experiences involving conversation, voice, and clear, trustworthy feedback
• Use AI tools to accelerate research, exploration, prototyping, and delivery
• Build SwiftUI and HTML prototypes to test ideas and create handoff-ready vision prototypes
• Combine Claude Code and Figma in the design process
• Coach and mentor the experienced design team on AI-first design principles
• Collaborate with engineers, product managers, linguists, and language learning specialists
• Deliver prototypes that provide engineering and stakeholders with a clear vision
• Improve design quality and speed through AI tools and design systems

Lead Product Designer, AI Builder

AI Engineer

• Define and drive the long-term technical strategy for AI-powered content systems
• Shape architectural direction across teams and domains, including platforms, tooling, AI infrastructure, and build-versus-buy decisions
• Lead frameworks for AI evaluation, quality measurement, governance, observability, security, and operational reliability
• Partner with senior Engineering, Product, Content, and Data leaders on technical roadmaps and investment decisions
• Identify organisation-wide technical risks, dependencies, and opportunities
• Establish engineering standards, architectural principles, and operating practices
• Mentor Principal and Senior Engineers through coaching, design reviews, and technical leadership
• Lead and contribute to complex technical initiatives and unblock challenging technical problems
• Translate strategic requirements into technical direction, support work decomposition, guide implementation, and resolve delivery challenges
• Deliver with coding agents and improve their use across the team

Senior Principal Engineer – AI Content Systems

Backend Engineer

• Build and evolve services across Babbel Labs' learning platform
• Own services from API contract through production operation
• Take on and maintain services written by other engineers
• Design durable API and data contracts
• Implement type-safe transforms between API, domain, and persistence layers
• Instrument services and understand failure modes
• Safely change live data and investigate production incidents
• Deliver software using coding agents and verify their output
• Design, build, ship, and operate serverless-first services in TypeScript and Node on AWS

Freelance Senior Backend Engineer

Controller

• Lead annual budgeting, rolling forecasting and long-range planning for global marketing activities
• Build and maintain financial models, assumptions, drivers, risks and variance analyses
• Partner with business leaders on performance evaluation, investment decisions and improvement opportunities
• Support strategic analyses and business cases
• Translate financial and operational data into KPIs, insights and recommendations for senior stakeholders
• Collaborate globally to improve reporting quality, consistency and usefulness
• Simplify, standardise and automate planning, reporting and recurring finance processes
• Work across Finance, Revenue and Data
• Build trusted relationships with stakeholders in Berlin and New York

Senior Business Controller – Marketing

Performance Marketing

• Help run paid ad campaigns across search, app, social, and display
• Set up campaigns, verify functionality, and monitor budgets
• Build regular performance reports tracking spend, installs, subscriptions, and subscriber acquisition cost
• Analyze data to identify successful and unsuccessful approaches and suggest next steps
• Study Babbel and competitor ads to identify effective hooks, messages, and formats
• Help test ad copy, creative, landing pages, and audiences, and document learnings
• Collaborate with Creative, Analytics, Product, and Martech teams
• See campaigns through ideation, launch, and results

Performance Marketing Intern

Platform Engineer

• Build and operate the internal developer platform and its tooling and infrastructure
• Enable product teams to set up and run their own services independently
• Drive cloud migration by moving and consolidating services into a modern cloud-native setup
• Design system and infrastructure architecture
• Communicate architecture clearly through diagrams and other documentation
• Work directly with product engineers to resolve infrastructure problems and unblock delivery
• Deliver with coding agents and improve how the wider team uses them

Lead Product Designer, AI Builder

Senior Principal Engineer – AI Content Systems

Freelance Senior Backend Engineer

Senior Business Controller – Marketing

Performance Marketing Intern

Senior Infrastructure, DX Engineer – Platform