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Senior Software Engineer (Backend)

Berlin💼 Full-time🗓 2026-09-04 → 2026-09-26

Core

Design and develop robust, high-performance backend services and core services for a next-generation corporate expense management platform, powering global commerce, payments, issuing platforms, and payment/money ledgers.

Role type

Senior IC backend software engineer (fintech/payments)

Builds

Global commerce, payments, issuing platforms, payment/money ledgers, automated policy management, granular admin controls, accounting system integrations

Domain

Fintech, corporate travel, payments, expense management

Deliverable

production ML models | product features

Required skills

Java, Spring Boot, JVM performance optimization, distributed systems, microservices, API design, AWS, AI model integration, end-to-end feature ownership

Preferred skills

Fintech or payments processing experience, financial or workflow-heavy domain experience (expenses, payments, ERP, tax)

Technologies

Java, Spring Boot, AWS

Responsibilities

Design and develop robust, high-performance features and core services; address large-scale engineering challenges to improve reliability and performance; take end-to-end ownership of features from design to deployment; champion best practices in code quality, scalability, documentation, monitoring, and testing

Seniority

Senior, hands-on IC

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