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Senior Backend Software Engineer - Core Domain

Italy, Milan · Job Posted March 22, 2026
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Job Description

You will be joining the Core Team focused on critical systems. This includes managing interactions with external banks, orchestrating payments, and providing the foundational infrastructure for Identity and Access Management (IAM). Additionally, the team is responsible for risk-related services, specifically credit risk management and fraud detection. You’ll play a critical role in engineering the backbone of our payment platform. You will be responsible for the technical quality and delivery of complex systems that impact multiple services and product teams across the company.

Job Responsibility

  • Engineer core platform domains such as the Transaction Ledger, Identity & Access Management (IAM), or Payment Orchestration
  • Ensure these engines remain high-performant, scalable, and functional for product teams to integrate with
  • Scale risk & financial engines
  • Optimize and implement services dedicated to bank integrations, credit risk, and real-time fraud detection
  • Build the robust logic that protects our source of truth and secures Satispay’s financial ecosystem
  • Drive technical analysis for projects that span across multiple services
  • Lead technical discussions and produce high-quality documentation (Smart Papers)
  • Ensure technical quality by implementing rigorous testing strategies and overseeing safe rollouts
  • Proactively identify and resolve technical blockers, promoting a culture of simplicity and maintainability in the codebase
  • Provide technical guidance to junior and mid-level engineers, fostering a culture of operational excellence
  • Help the team adopt the best tools and methodologies to accelerate development cycles without compromising on security or reliability

Requirements

  • At least 5 years of related experience in back-end software engineering
  • Proven track record of working with microservices and cloud environments (AWS is a plus) in high-paced, mission-critical contexts
  • Deep experience with Java and Spring Boot
  • Strong understanding of distributed systems and how to manage external dependencies (like banking protocols) effectively
  • Able to communicate complex technical concepts clearly and convincingly
  • Excel at coordinating implementations with other teams and building trust with various stakeholders
  • Focused on delivering software that meets evolving user needs
  • Adaptable, avoid analysis paralysis, and go the extra mile to optimize systems beyond the initial requirements
  • Passionate about FinTech
  • Fluent in English

What we offer

  • Unlimited paid time off
  • Psychological support & mental health webinars with Serenis
  • Flexible hybrid working system
  • Extended parental leave
  • Childcare leave
  • Professional development programmes
  • Internal mobility program
  • Language classes with Preply
  • Internal workshops & training
  • Stock Option Plan (with additional grants often provided based on performance)
  • International relocation support
  • Competitive salary
  • Flexible Benefit budget
  • Meal vouchers

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