Senior Backend Engineer: Scalable Systems & Fraud

Incode; España; Presencial; EUR 60.000 - 90.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Flexible Working Hours

Open Vacation Policy

Descripción de la vacante

Incode is seeking a backend engineer to design and implement scalable backend services powering millions of users. You will work across API design, data migrations, and fraud-detection‑oriented features, ensuring performance and reliability.

You'll collaborate with DevOps, ML engineers, and product teams, applying robust engineering practices, code quality, and observability to deliver high-quality, maintainable systems.

Formación

• 5+ years of professional software development experience.
• Proficiency in Java/Kotlin and the Spring framework ecosystem.
• Experience with observability tools (logging, monitoring, tracing).
• Solid understanding of PostgreSQL, MongoDB, and Redis.
• Hands-on experience in domain modeling and REST API design.
• Track record of delivering scalable and maintainable systems.

Responsabilidades

• Architect and implement backend systems that are robust, scalable, and capable of supporting millions of active users.
• Build and maintain services from initial model design to production support across prototyping, implementation, testing, deployment, and monitoring.
• Write clean, maintainable, and well-tested code and participate in code reviews.
• Tackle complex problems such as large-scale graph-based systems and massive data migrations.
• Implement logging, monitoring, and tracing to ensure system health and performance.
• Collaborate with DevOps, ML engineers, product managers, and other engineers to ensure smooth integrations and high-quality deliverables.

Conocimientos

Java/Kotlin

Spring framework

Observability tools

PostgreSQL

MongoDB

Redis

REST APIs

Graph databases

Kubernetes

Kafka

AWS

Herramientas

Kubernetes

Kafka

Neo4j

Memgraph

Amazon Neptune

ClickHouse

Apache Cassandra

Descripción del empleo

Incode is seeking a backend engineer to design and implement scalable backend services powering millions of users. You will work across API design, data migrations, and fraud-detection‑oriented features, ensuring performance and reliability.

You'll collaborate with DevOps, ML engineers, and product teams, applying robust engineering practices, code quality, and observability to deliver high-quality, maintainable systems.