Senior Backend Engineer
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Description
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.