Senior Backend Engineer - Core Ledger & Reconciliation

Hercle; Italia; Hybrid; EUR 70,000 - 90,000; Full time

Benefits offered by this job

Flexible remote/hybrid working

Ownership in squad

Job summary

Hercle is seeking a Senior Back-End Developer to own core ledger, balances and reporting systems within a Foundations & Reporting squad. You will design and scale our double-entry ledger, build adapters to banking and custody providers, and ensure reliable data feeds for Finance and regulators.

You'll work across two C# code bases, tackle complex domain problems, and drive CI/CD, testing and performance. English fluency required; a curious, autonomous mindset is valued.

Qualifications

• Bachelor's degree in Computer Science, Engineering or a related technical field.
• 5+ years building back-end systems in a strongly typed language (C#/.NET, Java, Kotlin, Go).
• Strong grasp of OOP, design patterns, distributed systems, concurrency, multithreading and performance optimisation.
• Experience with SQL and NoSQL databases, CI/CD, Git and testing frameworks.
• Fluent written and spoken English; daily AI coding agents usage in production.

Responsibilities

• Design, build and maintain the double-entry ledger and balance services.
• Scale the reconciliation engine to match books against banks and venues.
• Build resilient adapters to banking, custody and payment providers.
• Own the Reporting API and data feeds used by Finance, Data, auditors and regulators.
• Drive platform reliability: uptime, monitoring, logging, tracing and alerting.
• Write clean, documented code, review peers' work and improve CI/CD.

Skills

OO Design

Distributed systems

Concurrency

CI/CD

Education

Bachelor's degree in Computer Science, Engineering or a related technical field

Tools

C#/.NET

Java

Kotlin

Go

SQL

NoSQL

Job description

Hercle is seeking a Senior Back-End Developer to own core ledger, balances and reporting systems within a Foundations & Reporting squad. You will design and scale our double-entry ledger, build adapters to banking and custody providers, and ensure reliable data feeds for Finance and regulators.

You'll work across two C# code bases, tackle complex domain problems, and drive CI/CD, testing and performance. English fluency required; a curious, autonomous mindset is valued.