We are looking for a Backend Engineer to join our MarTech team!

Your mission is to work closely with the Engineering Manager and your teammates to help evolve our ecosystem of services that support our marketing stakeholders in driving company revenue. This is a great opportunity to be part of a cross-functional team, collaborating with engineers, product managers, and other team members, while building your technical (but also analytical and marketing) skills and contributing to impactful projects.

You will:

• Deliver value iteratively by building and improving high-quality applications and features.
• Contribute to the development and maintenance of our ecosystem of applications and services, including legacy Rails/Ruby apps, TypeScript/JavaScript libraries, and Node.js microservices (AWS Lambdas, etc.) built on an event-driven and API-driven architecture.
• Participate in architectural discussions and suggest improvements to existing features.
• Help ensure our systems are healthy, resilient, and perform well, including contributing to configuration changes (e.g., in Terraform) and collaborating with the Infrastructure team.
• Work cross-functionally on feature design, technical decisions, and assessing technical debt.
• Follow and help improve our coding guidelines and quality standards.
• Respond to, troubleshoot, and help solve operational events (bugs and incidents) as part of the team.
• Focus on continuous learning and improvement, and actively participate in the evolution of our engineering practices.
• Collaborate with the team in building and refining our agile processes to best fit our responsibilities and business needs.

You are:

• A proactive team player, ready to build MVPs and iterate on them in short cycles.
• Able to find the right balance between time-to-delivery and quality.
• Comfortable working in lean and agile environments.
• Enthusiastic about collaborating with product and business stakeholders, especially learning around the marketing/analytics domain.
• Effective in time management, with good communication and interpersonal skills.

You have:

• 2+ years experience with Node.js, building scalable systems and applications, some of which are hosted on AWS.
• Experience working on projects involving serverless and event-driven architectures, ideally using AWS Lambda and related AWS services.
• Good understanding of HTTP and API design principles, covering requests/responses, status codes, caching, session management, redirects, and interactions with CDNs
• Experience with both SQL and NoSQL systems, including design and optimization (e.g DynamoDB, MySQL )
• Experience with monitoring and analyzing system health and performance metrics using CI/CD and observability tools (e.g., Github Actions, DataDog, CloudWatch, PagerDuty, Rollbar).
• Knowledge of testing at different levels (unit, integration, E2E).

Nice to have:

• Experience with Ruby on Rails
• Interest or experience in Marketing, AdTech, or MarTech.
• Experience with data collection and reporting projects.
• Startup or product mindset.
• Experience or interest in JavaScript, HTML, CSS, and component-based frontend frameworks (e.g., React, Redux).
• Experience with infrastructure-as-code and automation tools, ideally Terraform.
• Experience with TypeScript
• Willingness to participate in on-call rotations (during working hours or 24/7).
• Familiarity with AI-assisted development tools such as Cursor or GitHub Copilot.

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.

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