Senior L3 Application Support Engineer – FinTech/Banking

Akkodis; Madrid; Presencial; EUR 65.000 - 90.000; Jornada completa

Descripción de la vacante

AKKODIS in Madrid seeks a Senior L3 Application Support Engineer to join an international banking project, supporting mission-critical applications in a distributed, highly available environment.

You will troubleshoot complex incidents, perform root-cause analysis, and drive performance optimization across microservices, REST APIs, Kafka, and SQL databases, collaborating with Software Engineers, Service Owners, and Product Owners in an Agile setting.

Formación

• 3+ years in L3 App Support or SRE within high-availability environments.
• Strong backend troubleshooting with .NET/C#.
• Experience with distributed architectures, REST APIs, microservices and messaging (Kafka/MQ).
• Proficient with MSSQL and data analysis, plus monitoring tools (Dynatrace, Splunk).

Responsabilidades

• Act as the L3 escalation point for critical production incidents and drive resolution.
• Perform root cause analysis and implement long-term solutions with dev teams.
• Coordinate incident response and on-call coverage, including after-hours.
• Analyze performance and integrity issues across distributed microservices and event streams.

Conocimientos

L3 Application Support

Backend troubleshooting .NET/C#

Distributed architectures

REST APIs & Microservices

SQL / MSSQL data analysis

Kubernetes

Windows & Linux

On-call rotation

English communication

Fintech/Banking domain

Herramientas

Dynatrace

Splunk

Grafana

Kafka

RabbitMQ/MQ

GitLab/Jenkins CI/CD

Descripción del empleo

AKKODIS in Madrid seeks a Senior L3 Application Support Engineer to join an international banking project, supporting mission-critical applications in a distributed, highly available environment.

You will troubleshoot complex incidents, perform root-cause analysis, and drive performance optimization across microservices, REST APIs, Kafka, and SQL databases, collaborating with Software Engineers, Service Owners, and Product Owners in an Agile setting.