Morgan McKinley
Senior Software Engineer (Java / C / C++ / Linux)
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Role Title: Senior Systems Engineer (Java / C / C++ / Linux)
Contract Type: Initial Contract (Outside IR35)
Location: Fully Remote (UK-based)
Day Rate: Competitive Market Rate
Contract Length: 6/12 months
About the Opportunity
A senior, multi-faceted Systems Engineer is required to join a critical project stream focused on maintaining, updating, and stabilizing an established enterprise platform. Operating across multi-language components (desktop, server, web, and embedded), you will be tasked with executing precise, high-impact deliverables against scheduled release roadmaps.
This engagement is ideal for a contractor who excels at diving deep into mature, multi-language codebases, diagnosing intricate system bugs, and applying safe, methodical code changes within a Linux-heavy production environment.
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Key Responsibilities & Deliverables
- Execute defined maintenance packages and compatibility upgrades across Java and C/C++ services.
- Perform root-cause analysis and resolve complex defects within a large-scale, multi-language system.
- Maintain and enhance build automation, release packaging, and deployment scripts.
- Implement targeted updates to Linux native applications, network protocols, and persistence layers.
- Work alongside wider technical teams to ensure reliable, high-performing software updates that hit key release targets.
Core Technical Requirements
- Polyglot Engineering: Strong hands-on background in both Java (including Java 8 environments) and C/C++.
- Operating Systems: Deep Linux-based development, environment configuration, and native debugging expertise.
- Legacy Systems: Proven track record of safely refactoring, maintaining, and improving mature enterprise codebases.
- Build Tools & Versioning: Native build automation tools (GNU Make, Autotools, Ant) and classic VCS (SVN/Git).
- Database & Web: PostgreSQL experience along with web tier familiarity (Apache, PHP, JavaScript, or Python).
- Architectures: Solid background in distributed, networked application architectures.
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Bonus / Advantageous Skills
- Experience working with high-performance messaging platforms or serialisation tools (e.g., AMQP, ZeroMQ, Protocol Buffers).
- Interoperability expertise using JNI (Java Native Interface) to bridge Java and native code.
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