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Linux Systems Developer (C++ / PostgreSQL / Mainframe Integration)
Linux Systems Developer (C++ / PostgreSQL / Mainframe Integration)Maarut • Toronto, ON, ca
Linux Systems Developer (C++ / PostgreSQL / Mainframe Integration)

Linux Systems Developer (C++ / PostgreSQL / Mainframe Integration)

Maarut • Toronto, ON, ca
Il y a 24 jours
Type de contrat
  • Temps plein
Description de poste

We are looking for a highly skilled Linux Systems Developer with expertise in software compilation, C++ development, and PostgreSQL. This role involves building and optimizing custom software for Linux environments, integrating with mainframe systems, and supporting application deployments. The ideal candidate will also collaborate with vendors, manage SOPs, and participate in both non-production and production releases.

Roles & Responsibilities

Development & Compilation

  • Design and develop Linux applications using C++ and POSIX APIs.
  • Customize and maintain build systems (Makefiles, CMake) for complex software compilation.
  • Perform cross-compilation for hybrid environments (Linux  ↔  mainframe).
  • Optimize binaries for performance, memory usage, and reliability.
  • Implement database logic and optimize queries in PostgreSQL (PL / pgSQL, indexing, query tuning).

Mainframe Integration

  • Work with z / OS UNIX System Services (USS) for POSIX-compliant code execution.
  • Integrate Linux applications with CICS, IMS, and TableBase for transaction and data flows.
  • Handle EBCDIC  ↔  ASCII  conversions and ensure data integrity across platforms.

    • Application Support & Operations

  • Provide application support for production and non-production environments.
  • Collaborate with vendors for issue resolution, patches, and upgrades.
  • Maintain and update Standard Operating Procedures (SOPs) for operational tasks.
  • Participate in deployment activities, including validation and rollback planning.
  • Monitor application health and troubleshoot performance issues.

    • DevOps & Automation

  • Work with CI / CD pipelines for Linux and mainframe integration.
  • Automate build, deployment, and monitoring processes using Shell / Python scripting.

    • Ensure compliance with security standards and operational best practices

    Requirements

    Required Skills

  • Strong proficiency in C++ (modern standards), STL, multi-threading, and memory management.
  • Expertise in Linux system programming (POSIX APIs, IPC, signals).
  • Hands-on experience with GNU toolchain (gcc, g++, ld, make, CMake).
  • Knowledge of PostgreSQL (schema design, query optimization, PL / pgSQL).
  • Familiarity with cross-compilation and hybrid architecture builds.
  • Experience with mainframe integration (CICS, IMS, TableBase).
  • Debugging and profiling tools :  gdb, strace, perf, valgrind.
  • Strong scripting skills in Shell and Python.

    • Nice-to-Have

  • Experience with z / Linux (Linux on IBM Z).
  • Familiarity with containerization (Docker / Kubernetes).
  • Understanding of RACF / ACF2 security models.

    • Soft Skills

  • Strong problem-solving and troubleshooting abilities.
  • Excellent communication and vendor management skills.
  • Ability to document processes and maintain SOPs.
    • Créer une alerte emploi pour cette recherche

    Linux Systems Developer C PostgreSQL Mainframe Integration • Toronto, ON, ca

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