API Developer
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Job Summary
- Design develop and maintain RESTful APIs and integrations to support HR recruitment and manpower management platforms
- Collaborate with frontend developers system architects and business stakeholders to define API requirements and data contracts
- Ensure API security performance versioning and documentation standards are maintained
- Troubleshoot and resolve API-related issues; support third-party system integrations including ATS HRMS and payroll platforms
- Bachelors Degree in Computer Science Software Engineering or related discipline
- 46 years of hands-on experience in API development
- Proficient in REST/GraphQL API design; experience with Python or Java
- Familiarity with OAuth JWT API gateways and cloud platforms (AWS/Azure/GCP)
- Experience integrating HR or manpower management systems is an advantage
Required Skills:
5 years of hands-on Siemens S7 experience specifically S7-300 programming diagnostics and data block structure via Step 7 Classic or TIA Portal Profibus DP fluency able to diagnose bus faults read GSD device profiles identify slave addresses and recover from MP Bus Blackout-class faults without vendor support WinCC Flexible proficiency able to navigate and extract tag configuration alarm classes and screen logic from an existing compiled WinCC Flexible project OPC UA implementation experience via any of: Siemens Industrial PC OPC Server KEPServerEX open62541 or a Snap7-based Linux gateway solution Industrial networking OT/IT convergence unmanaged Profibus topology vs. managed Ethernet VLAN design and understanding of where IT security policy collides with OT real-time requirements Ability to independently read and produce electrical schematics PLC I/O mapping sheets drive parameter tables and field device wiring diagrams Comfortable working on an active high-visibility public-facing site in Qatar able to obtain Qatar SafePass site-specific HSE inductions and work under the relevant site access protocols Fluent English can write clear technical documentation and communicate directly with European OEM contractors a remote software development team and the clients facilities management team
About Company
601 employees
Being an active member of the United Nations Global Compact since March 2013, Madre Integrated Engineering w.l.l supports the principles of the Global Compact with respect to human rights, labor, environment, and anti-corruption.
