Nexi Group

Backend Technical Lead

Nexi Group

full-time

Posted on:

Location Type: Hybrid

Location: Milano • 🇮🇹 Italy

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Job Level

Senior

Tech Stack

AWSAzureCloudDistributed SystemsGoJavaKotlinKubernetes

About the role

  • Design and lead the implementation of a scalable backend architecture based on Self-Contained Systems (SCS)
  • Define and enforce backend design principles including domain-driven design, API standards, and database strategies
  • Decompose platform functionality into independent vertical services (e.g. Merchant Onboarding, Partner Management, Terminal Management)
  • Guide the development team in delivering secure, performant services that handle onboarding flows, merchant creation, and third-party system integration
  • Oversee service-to-service communication, data propagation to downstream systems, and connectivity with legacy platforms (e.g. TMO, CRM)
  • Collaborate with frontend and DevOps leads to align APIs with frontend needs and to define robust, cloud-native infrastructure setups
  • Ensure high availability, reliability, and observability of backend services to support real-time partner operations and reduce support burden

Requirements

  • Proven experience as a backend architect or tech lead in distributed systems or microservice-based platforms
  • Strong expertise in designing and deploying Self-Contained Systems or similar decoupled backend architectures
  • Solid understanding of API-first development, domain-driven design, and secure handling of sensitive data
  • Experience with integration of backend services to third-party systems and legacy infrastructure
  • Fluency in at least one modern backend language (Java, Kotlin, Go, etc.) and familiarity with cloud-native stacks (AWS, Azure, Kubernetes)
Benefits
  • Attractive salary and a competitive benefits package to reward your expertise and contributions
  • Tech equipment: Get the tools you need to succeed, including the latest technology to support your work
  • Join an international team: Collaborate with experts from across Europe and bring your ideas to life in a dynamic, global environment
  • Grow and develop: Gain hands-on experience and structured training through our PayTech University, designed to accelerate your career and help you reach your full potential

Applicant Tracking System Keywords

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

Hard skills
backend architectureSelf-Contained SystemsAPI standardsdomain-driven designsecure data handlingmicroservicesJavaKotlinGocloud-native stacks
Soft skills
leadershipcollaborationguidancecommunication