About the Role
Join the engineering team of a Series A B2B SaaS company building an AI-powered omnichannel customer communication platform for SMEs. You'll work on core backend technologies that power messaging, automation, and AI-driven workflows — shipping features end-to-end in a high-ownership environment and contributing to long-term architecture decisions.
What You'll Do
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Build and deliver new backend features that reach customers directly.
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Improve platform performance and reliability to enhance the user experience at scale.
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Participate in long-term architecture discussions and help define technical direction.
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Shape internal development processes and establish best practices across the engineering team.
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Bring your own ideas to influence product and platform decisions.
What We're Looking For
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Required: Proficiency in Java and TypeScript — both are essential for this role.
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Required: Experience with Quarkus or Spring Boot (or comparable JVM frameworks).
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Required: Hands-on experience with AWS and Terraform for cloud infrastructure.
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Strong PostgreSQL experience.
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Familiarity with AI libraries such as LangGraph.
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Background building scalable backend systems for communications or messaging platforms.
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Strong computer science fundamentals and a track record delivering features end-to-end at senior level.
Tech Stack
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Backend: Java, Kotlin, Quarkus, Spring Boot, TypeScript
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Cloud & Infra: AWS (RDS/PostgreSQL, S3, SQS, SNS, SES, Lambda, CloudFront), Terraform
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AI/Search: LangGraph, OpenSearch
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Observability & tooling: DataDog, Sentry, GitHub Actions, LaunchDarkly
Location & Work Arrangement
This is a hybrid role based in Berlin, Germany. Visa sponsorship is available for qualified candidates.
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