Backend Engineer – Billing Platform (Go)

Jobgether; España; Presencial; EUR 55.000 - 90.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

High-impact role

Career growth

Paid time off - 30+ days

Unlimited sick leave

Health coverage

Office meals

Apple equipment

Courses and conferences

Sports and wellness benefits

Referral bonus

Descripción de la vacante

Jobgether is seeking a Backend Engineer (Billing) in Spain to build a new-generation billing platform. You will own foundational billing infrastructure, APIs, pricing engines, and revenue recovery systems, working in Go within a high-impact fintech engineering team.

You will collaborate with cross-functional teams to design scalable solutions for complex B2B pricing and high-volume payment workflows, prioritizing reliability, testing, and continuous delivery in a modern engineering culture.

Formación

• 2+ years backend engineering experience using Go, PHP, Kotlin, Java, Python, Node.js or 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.
• Experience working with PostgreSQL and queues or streaming technologies.
• Proactive, communicative, independent, and results-oriented approach to engineering.
• Experience with payment systems or previous work in fintech or financial services is a plus.
• Familiarity with Kafka, AWS services, and CI/CD pipelines is advantageous.
• Comfortable working in a collaborative engineering environment with code reviews, automated testing, observability, metrics, alerts, and continuous delivery.

Responsabilidades

• Design and ship foundational billing domain models and public APIs from the ground up.
• Build high-precision pricing engines and support multi-tier enterprise billing requirements.
• Design and implement resilient billing services minimizing dependencies and failure points.
• Lead automated payment retry engine across invoices to improve revenue recovery.
• Develop reliable, scalable backend services for high-load environments.
• Contribute to Billing 2.0 platform architecture, standards, and engineering practices.
• Write and maintain automated tests across unit, integration, functional, and end-to-end levels.
• Participate in code reviews, metrics and alerting practices, and continuous improvement of system reliability.
• Collaborate with product management, engineering, QA, and domain specialists to deliver end-to-end billing capabilities.

Conocimientos

Go

Backend engineering

Automated testing

High-load design

Herramientas

PostgreSQL

Kafka

AWS

CI/CD

Descripción del empleo

Jobgether is seeking a Backend Engineer (Billing) in Spain to build a new-generation billing platform. You will own foundational billing infrastructure, APIs, pricing engines, and revenue recovery systems, working in Go within a high-impact fintech engineering team.

You will collaborate with cross-functional teams to design scalable solutions for complex B2B pricing and high-volume payment workflows, prioritizing reliability, testing, and continuous delivery in a modern engineering culture.