Billing Platform Backend Engineer (Go) – High-Impact FinTech

Jobgether; France; Sur place; EUR 60 000 - 90 000; Plein temps

Avantages offerts par ce poste

High-impact role

Career growth

CI/CD culture

Office meals

Health coverage

Apple equipment

Conferences support

Wellness benefits

Referral program

Résumé du poste

Jobgether is seeking a Backend Engineer (Billing) based in France to join a fintech engineering team building a new-generation billing platform from the ground up. You will own core modules for invoicing, payment retries, subscriptions, and monetization, and work primarily in Go within a Billing Stream that emphasizes reliability and automated testing.

You will design scalable pricing engines and public APIs, contribute to Billing 2.0 architecture, and collaborate with product, QA, and domain

Qualifications

• 2+ years of backend engineering experience using Go, PHP, Kotlin, Java, Python, Node.js, or a comparable backend technology.
• Strong willingness to work with Go; both experienced Go engineers and strong engineers transitioning from another backend language are encouraged to apply.
• Demonstrated experience writing and maintaining automated tests, including unit, integration, functional, and end-to-end tests.
• Strong understanding of high-load system design principles and scalable backend architecture.

Responsabilités

• Design and ship the foundational Products & Prices domain model and public APIs from the ground up.
• Build high-precision volume and graduated pricing engines capable of supporting complex, multi-tier enterprise billing requirements.
• Design and implement resilient billing services that minimize dependencies and eliminate critical single points of failure.
• Lead the automated payment retry engine across invoices to improve revenue recovery and reduce failed-payment impact.
• Develop reliable, scalable backend services capable of operating in high-load environments.
• Contribute to the evolution of the Billing 2.0 platform and help establish its architecture, standards, and engineering practices.
• Write and maintain comprehensive automated tests across unit, integration, functional, and end-to-end levels.
• Participate in code reviews, technical discussions, metrics and alerting practices, and continuous improvement of system reliability.
• Collaborate closely with product management, engineering, QA, and domain specialists to deliver billing capabilities end to end.
• Help build a modern, maintainable billing infrastructure with a strong focus on performance, reliability, and operational excellence.

Connaissances

Backend engineering

Go language

Automated testing

High-load design

Outils

PostgreSQL

Kafka

AWS

CI/CD

Description du poste

Jobgether is seeking a Backend Engineer (Billing) based in France to join a fintech engineering team building a new-generation billing platform from the ground up. You will own core modules for invoicing, payment retries, subscriptions, and monetization, and work primarily in Go within a Billing Stream that emphasizes reliability and automated testing.

You will design scalable pricing engines and public APIs, contribute to Billing 2.0 architecture, and collaborate with product, QA, and domain