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# Senior Backend Engineer

- **Company:** Clera
- **Location:** Berlin, Germany
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), Artificial Intelligence, Amazon Web Services, Cloud Computing, Data Structures, Relational Databases, Distributed Systems, Elasticsearch, Java Virtual Machine (JVM), PostgreSQL, TypeScript, Large Language Models, Spring-boot, Backend, Event Driven Architecture, Amazon Simple Queue Service (SQS), Terraform
- **Published:** May 24, 2026
- **Apply:** https://de.indeed.com/viewjob?jk=8b75027937ca6a2d

## About the Role

Do you have experience in TypeScript?, Do you have a Master's degree?, * Must-have: Proficiency in both Java and TypeScript.

 * Experience with Quarkus or Spring Boot (or comparable JVM frameworks).
 * Solid hands-on experience with AWS and Terraform for cloud infrastructure.
 * Strong PostgreSQL skills and experience with relational data modeling at scale.
 * Familiarity with AI/LLM libraries such as LangGraph or similar.
 * Background building scalable backend systems for communications, messaging, or similar high-throughput platforms.
 * Strong computer science fundamentals (data structures, algorithms, distributed systems).
 * Senior-level experience with a proven track record of delivering complex features independently., * Experience with event-driven architectures using queues and pub/sub systems (e.g. SQS, SNS).
 * Familiarity with search infrastructure (e.g. OpenSearch/Elasticsearch).
 * Prior work at or with B2B SaaS companies in the messaging, CRM, or customer engagement space.

## Description

Join the engineering team of a Series A B2B SaaS company building an AI-powered omnichannel messaging and customer communication platform for SMEs. In this ownership-driven environment, you'll work end-to-end on backend systems that power real-time messaging, automation, and AI-driven workflows at scale. Your ideas will directly shape the product and architecture., * Design, build, and ship new backend features end-to-end for customers across multiple communication channels.

 * Improve platform performance and reliability to enhance the overall user experience.
 * Participate in architectural discussions and contribute to the long-term technical direction of the platform.
 * Help shape internal development processes, tooling, and engineering best practices.
 * Bring your own ideas to influence product direction and technical strategy.


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