Webservices Engineer

Description

The company is looking for a senior engineer to design, run and improve highly available web platforms in a 24/7 production environment shared by several customers.

The company is a digital services firm with 28,000 consultants and specialists, present in 19 countries, with sales of 2.5 billion euros in 2023.

The stack includes Apache, Tomcat, Java, PHP, IIS, F5 BIG-IP, reverse proxies, DNS and certificates, run under ITIL operations with monitoring, ticketing and CI/CD pipelines.

Responsibilities

• Build, deploy and maintain web platforms on Apache HTTP Server, Tomcat (Java), PHP and Microsoft IIS.
• Serve as the subject matter expert for web technologies and architectures.
• Lead production changes and deployments, including configurations, certificates and runtime updates.
• Handle advanced L3 issues that span web, application and infrastructure layers.
• Set up and tune reverse proxies, TLS/SSL, virtual hosts, application pools, JVMs and PHP runtimes.
• Improve performance, reliability and scalability through tuning and root cause analysis.
• Support high availability and disaster recovery using F5 BIG-IP, DNS failover, clustering and load balancing.
• Take part in the on-call rotation and resolve critical incidents.
• Work with application, system, network, security, DBA and middleware teams.

Requirements

• Hands-on experience with Apache HTTP Server, Tomcat/JVM, PHP and IIS.
• Deep knowledge of web architecture, reverse proxies, TLS and load balancing.
• Advanced troubleshooting across logs, JVM, HTTP, network and OS.
• Proven track record in performance tuning and root cause analysis.
• Understanding of HA/DR concepts and production operations.
• Skill in scripting, automation and deployment practices.
• Oracle WebLogic, ORDS and APEX experience.
• Experience with cloud platforms, for example Azure Web Apps.
• Familiarity with CI/CD, automation and monitoring tools.
• Strong analytical and troubleshooting skills.
• Comfort working in critical, high-availability environments.
• Clear communication and a team-oriented approach.
• Ability to handle incidents calmly under pressure.
• Fluent in Portuguese and English.
• Available for on-call duty.

Conditions

Work in a 24/7 production setting shared by several customers.

On-call duty is part of the role.