Senior Backend Engineer

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.

Responsibilities

• Build and deliver new backend features that reach customers directly.
• Improve platform performance and reliability to enhance the user experience at scale.
• Participate in long-term architecture discussions and help define technical direction.
• Shape internal development processes and establish best practices across the engineering team.
• Bring your own ideas to influence product and platform decisions.

Requirements

• Required: Proficiency in Java and TypeScript - both are essential for this role.
• Required: Experience with Quarkus or Spring Boot (or comparable JVM frameworks).
• Required: Hands-on experience with AWS and Terraform for cloud infrastructure.
• Strong PostgreSQL experience.
• Familiarity with AI libraries such as LangGraph .
• Background building scalable backend systems for communications or messaging platforms.
• Strong computer science fundamentals and a track record delivering features end-to-end at senior level.
• Tech Stack
• Backend: Java, Kotlin, Quarkus, Spring Boot, TypeScript
• Cloud & Infra: AWS (RDS/PostgreSQL, S3, SQS, SNS, SES, Lambda, CloudFront), Terraform
• AI/Search: LangGraph, OpenSearch
• 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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Company Intel

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