Senior Backend Engineer (Go) — Billing & Data Integrations

i3D.net; Capelle aan den IJssel; Hybrid; EUR 70,000 - 110,000; Full time

Benefits offered by this job

Annual bonus

25 vacation days

Travel allowance

Pension plan

Education reimbursement

Ubisoft game library access

In-house gym

Job summary

i3D.net is seeking a backend engineer to own data migrations, billing data flows, and end-to-end integrations across ERP, CRM, and inventory platforms. You’ll design data models, define transformation rules, and build scalable services in Go while ensuring data quality and auditable processes.

The role collaborates with Finance, Product, and Business Analysts, with hybrid work required at the Rotterdam office. You’ll contribute to billing architecture and drive secure, reliable data exchange.

Qualifications

• 5+ years building production backend systems
• Experience with SQL databases (MariaDB, Postgres)
• Designed and maintained ETL/migration pipelines
• Built REST/gRPC APIs with authentication
• Integrated ERP/CRM or payment/inventory platforms
• Automated migrations and runbooks
• Ensured data validation, auditing and rollback

Responsibilities

• Own data migrations and pipelines with rollback
• Model and transform complex data structures
• Build scalable backend services in Go/.NET/PHP
• Standardize product and pricing models across systems
• Integrate external systems into billing flows
• Develop robust APIs and integrations
• Automate migrations and operational processes
• Improve observability and incident response
• Collaborate with Finance, Product, Analysts
• Mentor architecture decisions

Skills

Backend engineering

SQL/MariaDB/Postgres

Migrations & ETL

APIs & integrations

3rd party integrations

Automation & CI/CD

Testing & quality

Ownership & comms

Tools

Docker

Kubernetes

Ansible

GitHub Actions

Terraform

Job description

i3D.net is seeking a backend engineer to own data migrations, billing data flows, and end-to-end integrations across ERP, CRM, and inventory platforms. You’ll design data models, define transformation rules, and build scalable services in Go while ensuring data quality and auditable processes.

The role collaborates with Finance, Product, and Business Analysts, with hybrid work required at the Rotterdam office. You’ll contribute to billing architecture and drive secure, reliable data exchange.