Clera is a talent-matching platform that replaces traditional job applications by connecting candidates and hiring teams through curated introductions.
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.