08/12/2026 updated
100 % available
Integration & Systems Engineer | EDI, APIs, SQL, Linux & Boomi
Coimbra, Portugal
Only remote
Computer ScienceAbout me
Integration & Systems Engineer with 10+ years in enterprise IT. EDI, Boomi, APIs, SQL, Linux, SFTP and automation. Specialized in troubleshooting complex integrations, WMS and enterprise applications.
Application Programming Interfaces (APIs)Data IntegrationLinuxSAP R/3SQL DatabasesSystems IntegratorSystems IntegrationEnterprise Application IntegrationBoomiSystem Administration
Systems Integration & Troubleshooting
Experienced in supporting and troubleshooting integrations across enterprise applications, WMS, ERP and operational systems. Skilled at tracing data flows across applications, interfaces, databases and infrastructure to identify where failures, missing/duplicate transactions, data discrepancies or processing delays occur.
Integration & Data Exchange
- EDI and data exchange
- REST APIs and system interfaces
- XML / JSON / CSV
- SFTP / FTP
- Integration troubleshooting and incident investigation
- Automated file-based and system-to-system processes
- Boomi integration platform
Linux & Systems
- Linux administration and troubleshooting
- Bash / shell scripting
- Command-line tools
- Application and backend environments
- Log and system-file analysis
- Process and service troubleshooting
- Production support
Databases & Data Analysis
- SQL-based investigation and troubleshooting
- Database record analysis
- Data validation and discrepancy investigation
- Using application and database information to identify root causes
Enterprise Applications & Platforms
- Warehouse Management Systems (WMS)
- SphereWMS
- ERP systems
- SAP / SAP R/3
- JD Edwards
- Enterprise application administration and support
- Application configuration and operational support
Production & Customer Support
Experienced in implementation and production environments, working directly with customers and technical teams to investigate incidents, identify root causes and resolve operational issues. Comfortable working independently on ambiguous technical problems and coordinating between functional and technical teams.
Additional technical experience
Unix environments, COBOL, JCL, Changeman, job scheduling and enterprise infrastructure support.
Experience
Professional experience10+ years
Freelancer since2018
Languages
GermanBasic knowledgeEnglishFluentPortugueseGoodSpanishNative speaker
Project history
Technical support, integration troubleshooting and production support for Siemens Train Planning System (TPS).
• Troubleshooting communication and integration issues between enterprise applications and external systems.
• Analyzing application logs, system behavior and database information to identify root causes.
• SQL-based investigation and data analysis for incident resolution.
• Technical investigation of application and system issues in Linux environments.
• Linux administration and Bash scripting for operational and troubleshooting tasks.
• Collaborating with customers and technical teams to diagnose and resolve production issues.
Functional and technical support for WMS implementations, integrations, production environments and customer operations.
• Troubleshooting system integrations and interfaces between WMS and external applications.
• Investigating integration failures, data discrepancies, missing/duplicate transactions and delayed processing.
• Analyzing SQL queries, database records, application logs and system files to identify the source of issues.
• Supporting data exchange and automated integration processes involving EDI, XML/CSV files, SFTP and system interfaces.
• Administration of backend environments, clients, users and application configurations.
• Troubleshooting Linux-based environments using Bash and command-line tools.
• Supporting WMS implementations and operational processes remotely and onsite.
• Working with customers and technical teams to diagnose and resolve production incidents.