CareerPlanSign in

Senior Backend Software Engineer - Core Domain

Milan, Italy💼 Full-time💰 $51,000–$51,000🗓 2026-05-06 → 2026-09-25

Core

Engineering the backbone of a payment platform, ensuring high-performant and scalable core systems for 6 million users.

Role type

Senior Backend Software Engineer (Core Domain)

Builds

Transaction Ledger, Identity & Access Management (IAM), Payment Orchestration, risk & financial engines

Domain

FinTech / Payments

Deliverable

production ML models | product features

Required skills

Java, Spring Boot, distributed systems, microservices, cloud environments (AWS), technical documentation, testing strategies, mentoring

Preferred skills

FinTech domain knowledge, English fluency

Technologies

Java, Spring Boot, AWS

Responsibilities

Design and evolve core platform domains (Transaction Ledger, IAM, Payment Orchestration); Optimize and implement services for bank integrations, credit risk, and real-time fraud detection; Drive technical analysis for cross-service projects and produce documentation; Ensure technical quality through rigorous testing and safe rollouts; Provide technical guidance to junior and mid-level engineers

Seniority

Senior, hands-on IC with mentorship

Sourced via ashby · Listed on CareerPlan, which tracks 70,000+ jobs from 20+ sources.