About the Role We're a fast-growing B2B SaaS company in the customer communication space, helping businesses of all sizes automate and streamline interactions across channels like WhatsApp, Instagram, and SMS — all from a single, AI-powered inbox. With around 100 people on the team and Series A/B backing, we're building serious infrastructure and have strong traction across industries including insurance, e-commerce, automotive, and healthcare. We're looking for a Senior Backend Engineer to join our engineering team in Berlin (hybrid). You'll take full ownership of backend features end-to-end, influence long-term architecture decisions, and help shape the engineering culture as we scale. What You'll Do Design, build, and ship new backend features directly impacting customers Improve platform performance and reliability to enhance the user experience Participate in architectural discussions and contribute to long-term technical strategy Shape internal development processes and best practices Bring your own ideas to the product — ownership and initiative are genuinely valued here What We're Looking For Must-haves: Strong proficiency in Java and TypeScript Experience with Quarkus or Spring Boot (or comparable JVM frameworks) Hands-on experience with AWS and Terraform for cloud infrastructure Important to have: Strong PostgreSQL experience Experience with AI/LLM libraries such as LangGraph Background building scalable backend systems for communications or messaging platforms Solid computer science fundamentals Nice to have: Familiarity with technologies like Kotlin, OpenSearch, SQS/SNS/SES, Lambda, or CloudFront Experience with observability tooling (e.g. Datadog, Sentry) Prior work at companies like Intercom, Front, Kustomer, Trengo, Bird, or similar omnichannel/customer communication platforms Location & Work Arrangement Location: Berlin, Germany Work style: Hybrid (office + remote flexibility) Visa sponsorship: Available Compensation & Benefits Compensation is competitive and commensurate with experience. Details will be shared during the interview process.

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