Backend Engineer – FinTech

Andercore

full-time

Posted on: 4/12/2026

Location Type: Hybrid

Location: Berlin • Germany

✨ AI Apply

About the role

Design and implement backend services for payment processing, invoicing, reconciliation, and smart financial reporting.
Build robust, auditable data pipelines that ensure accuracy and traceability across all financial operations.
Develop and maintain integrations with payment gateways, banking APIs, and financial data providers.
Enforce data integrity standards and implement patterns for idempotency, retry logic, and failure handling in financial flows.
Collaborate with compliance and product teams to translate regulatory requirements into technical implementation.
Contribute to fraud detection logic, rate limiting, and access control mechanisms that protect financial operations.
Own incidents end-to-end — investigate, resolve, and drive post-mortems to improve system reliability.

5-7+ years of backend engineering experience, with meaningful exposure to FinTech, payments, or financial data systems.
Strong proficiency in Java (Spring Boot) with a deep understanding of transactional systems and data consistency.
Solid experience with PostgreSQL, including schema design, indexing, and query optimization for financial data.
Experience integrating with payment processors (Stripe, Adyen, or similar) or open banking APIs.
High ownership mindset — you care about correctness as much as you care about delivery speed.
Calm under pressure, structured in your thinking, and rigorous in your testing practices.

Benefits

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools

JavaSpring BootPostgreSQLpayment processingdata pipelinesdata integrity standardsfraud detectionrate limitingaccess controltransactional systems

Soft Skills

ownership mindsetcalm under pressurestructured thinkingrigorous testing practices