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A1A11

Backend Engineer - FinTech(m/w/x)

Berlin
Full-timeOn-siteSenior
AI/ML

Designing and implementing backend services for AI-driven supply chain financing. Experience with payment gateway integrations and transactional systems required. Learn from senior operators, performance bonus.

Requirements

  • 5-7+ years backend engineering experience
  • Meaningful exposure to FinTech, payments, or financial data systems
  • Strong proficiency in Java (Spring Boot)
  • Deep understanding of transactional systems
  • Deep understanding of data consistency
  • Solid experience with PostgreSQL
  • Schema design experience
  • Indexing experience
  • Query optimization experience for financial data
  • Experience integrating with payment processors (Stripe, Adyen, or similar)
  • Experience integrating with open banking APIs
  • High ownership mindset
  • Care for correctness and delivery speed
  • Calm under pressure
  • Structured thinking
  • Rigorous testing practices

Tasks

  • Design and implement backend services
  • Build robust, auditable data pipelines
  • Develop and maintain payment gateway integrations
  • Ensure data integrity and traceability
  • Implement idempotency and retry logic
  • Collaborate with compliance and product teams
  • Translate regulatory requirements into technical solutions
  • Contribute to fraud detection and access control
  • Investigate and resolve incidents
  • Drive post-mortem improvements

Work Experience

  • 5 - 7 years

Education

  • Vocational certificationOR
  • Bachelor's degreeOR
  • Master's degree

Languages

  • EnglishBusiness Fluent

Tools & Technologies

  • Java
  • Spring Boot
  • PostgreSQL
  • Stripe
  • Adyen

Benefits

Mentorship & Coaching

  • Learn from senior operators

Competitive Pay

  • Attractive base salary

Bonuses & Incentives

  • Performance-based bonus program

Learning & Development

  • Rapid learning opportunities

Diverse Work

  • Cross-functional exposure

Career Advancement

  • Early leadership potential

Modern Office

  • Modern Berlin office

Team Events

  • Monthly All-Hands
  • Team events
  • Regular offsites
Find the original job posting in its most current version here. Nejo automatically captured this job from the website of A11 and processed the information on Nejo with the help of AI for you. Despite careful analysis, some information may be incomplete or inaccurate. Please always verify all details in the original posting! Content and copyrights of the original posting belong to the advertising company.

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