Senior L3 .NET/C# Support Engineer – Fintech Microservices

Akkodis; La Coruña; Presencial; EUR 50.000 - 70.000; Jornada completa

Descripción de la vacante

Akkodis is seeking a Senior L3 Application Support Engineer to join an international banking project, delivering high-availability support for distributed systems, microservices and event-driven architectures within a global fintech team.

You will act as escalation point, perform RCA, troubleshoot with REST APIs, MQ, Kafka, and MSSQL, and participate in Kubernetes deployments. English fluency and on-call availability are required.

Formación

• 3+ years of hands-on experience in L3 Application Support, Site Reliability Engineering or Software Engineering within high-availability environments.
• Strong backend troubleshooting experience with .NET and C#.
• Solid knowledge of distributed architectures, REST APIs, Microservices, MQ and Kafka.
• Strong experience with MSSQL and relational databases, including data analysis and troubleshooting.
• Hands-on experience with Kubernetes, Windows and Linux environments.
• Experience working with Dynatrace and Splunk. Knowledge of Grafana is a plus.
• Ability to participate in an on-call rotation, including evening and weekend coverage when required.
• Excellent written and spoken English, with the ability to collaborate effectively in an international environment.

Responsabilidades

• Act as the L3 escalation point for critical production incidents, driving resolution through log analysis, code debugging and telemetry.
• Perform Root Cause Analysis (RCA) for complex incidents and outages, working with development teams to implement long-term solutions.
• Coordinate incident resolution by assessing issues, involving the appropriate technical teams and ensuring timely service restoration.
• Participate in live incident calls and maintain technical ownership until services are fully restored.
• Monitor, troubleshoot and optimize distributed microservices and event streams across production environments.
• Analyse data and troubleshoot performance or integrity issues using complex SQL queries.
• Participate in release management, operational readiness reviews and deployments in Kubernetes environments.
• Work with REST APIs, Microservices, MQ and Kafka, including event handling and topic troubleshooting.
• Participate in a rotating 24/7 on-call schedule supporting mission-critical applications.

Conocimientos

Backend troubleshooting

REST APIs

Microservices

Kafka

Kubernetes

SQL queries

Windows/Linux

English communication

Herramientas

Dynatrace

Splunk

Grafana

Descripción del empleo

Akkodis is seeking a Senior L3 Application Support Engineer to join an international banking project, delivering high-availability support for distributed systems, microservices and event-driven architectures within a global fintech team.

You will act as escalation point, perform RCA, troubleshoot with REST APIs, MQ, Kafka, and MSSQL, and participate in Kubernetes deployments. English fluency and on-call availability are required.