Software developer (.NET + SQL) - Hybrid Madrid (3-2)

UST; Madrid; Híbrido; EUR 42.000 - 65.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

23 days annual leave

Training platforms access

Career plans

Remote work policy

Descripción de la vacante

UST in Madrid seeks a skilled L3 Support Engineer with .NET and SQL experience to join a strategic banking project. The role is based in central Madrid with a hybrid work model (3 days at the office, 2 from home). English required; relocation possible.

You will tackle complex incidents and work with international teams. You will engage in incident management, RCA, and deployment support in Kubernetes, with on-call responsibilities.

Formación

• 3+ years in L3 application support or related roles in high-availability environments.
• Strong backend troubleshooting with .NET/C# and SQL.
• Experience with REST APIs, microservices, MQ/Kafka.
• Proficient in MSSQL and relational databases.
• Familiarity with Kubernetes, Windows/Linux, and on-call rotations.
• Experience with Dynatrace and Splunk is a plus; React exposure is advantageous.

Responsabilidades

• Act as L3 escalation point for critical production incidents.
• Perform root cause analysis with core development teams.
• Coordinate incident resolution and ensure timely service restoration.
• Participate in live incident calls and maintain situational awareness.
• Monitor and optimize distributed microservices and event streams.
• Maintain database integrity and debug performance using SQL.
• Participate in release management and deployment in Kubernetes.
• Join rotating 24/7 on-call schedule.

Conocimientos

.NET

C#

SQL

REST APIs

Microservices

Herramientas

Kubernetes

Dynatrace

Splunk

Grafana

GitLab CI/CD

Jenkins

Active Directory

Descripción del empleo

UST is looking for the very Top Talent…and we would be delighted if you were to join our family!

More in detail, UST is a multinational company based in North America, certified as a Top Employer and Great Place to Work company with over 35.000 employees all over the world and a presence in more than 35 countries. We are leaders on digital technology services, and we provide large-scale technologic solutions to big companies.

What are we looking for?

We are currently looking for a L3 Support Engineer with experience with .NET and SQL to join a strategic banking project based in Madrid, Spain.

Required to go to the client's offices in central Madrid 3 days a week.

High english level is required.

You will have the opportunity to work on challenging projects with talented colleagues in an international environment while developing your domain knowledge working for a top company.

Work model is hybrid in Madrid (3 days at the office, 2 WFH), feel free to apply if you are also open for relocation!

Your main tasks and accountabilities will be:

• 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 outages, working with core development teams to implement long-term fixes.
• Coordinate and drive incident resolution efforts by quickly assessing issues, engaging the appropriate technical teams, and ensuring timely restoration of service.
• Actively participate in live incident calls and maintain situational awareness until services are fully restored.
• Monitor, troubleshoot, and optimize distributed microservices and event streams across production environments.
• Maintain database integrity and debug performance issues using complex SQL queries.
• Participate in release management, operational readiness reviews, and deployment processes in Kubernetes clusters.
• Join the team's rotating 24/7 on-call duty schedule to support mission-critical applications.

What do we expect from you?

• 3+ years of hands-on experience in L3 Application Support, Site Reliability, or Software Engineering in high-availability environments.
• Strong backend troubleshooting skills with .NET and C# Solid experience with distributed architectures: REST APIs, Microservices, MQ and Kafka (event handling/topics debugging).
• Deep working knowledge of MSSQL and relational databases for data analysis and troubleshooting.
• Other databases technologies are a plus.
• Proficient with Kubernetes, Windows, and Linux environments.
• Proven ability to participate in an on-call rota (including evening/weekend coverage as scheduled).
• Hands on experience using Dynatrace and Splunk. Grafana is a nice to have.
• NICE TO HAVE Familiarity with frontend frameworks, specifically React, to assist in end-to-end user issue tracing. Prior experience in Fintech, Digital Banking, and investment product. Exposure to CI/CD pipelines (GitLab, Jenkins). Handling of Active Directory tasks.

Work mode: Hybrid (3 days at the office, 2 WFH)

What can we offer?

23 days of Annual Leave plus the 24th and 31st of December as discretionary days!

Numerous benefits (Heath Care Plan, Internet Connectivity, Life and Accident Insurances).

Free access to several training platforms

Professional stability and career plans

UST also, compensates referrals from which you could benefit when you refer professionals.

The option to pick between 12 or 14 payments along the year.

Real Work Life Balance measures (flexibility, WFH or remote work policy, compacted hours during summertime...)

UST Club Platform discounts and gym Access discounts

In UST we are committed to equal opportunities in our selection processes and do not discriminate based on race, gender, disability, age, religion, sexual orientation or nationality. We have a special commitment to Disability & Inclusion, so we are interested in hiring people with disability certificate.