Senior Software Engineer (C, C++, Linux, Rest API)

About the role

It's fun to work in a company where people truly BELIEVE in what they're doing! Job Description Summary: Senior C/C++ Software Engineer (P4) with deep expertise in system‑level architecture, high‑performance development, and cross‑platform engineering across Windows and Linux. Skilled in abstracting OS‑specific functionality using Qt to deliver portable, reliable, and scalable system components. Strong SQL expertise across major databases (SQL Server, Oracle, PostgreSQL). Experienced in modernizing legacy systems, including porting Windows applications to Linux. Hands‑on proficiency with AI code assistants and containerization, enabling increased developer efficiency and modern delivery workflows. Experience with IBM i and IBM z platforms is desirable. Essential Duties and Responsibilities: Lead collaboration with product, architecture, and cross‑functional teams to translate complex business and end‑user requirements into robust technical designs and long‑term platform strategies. Design, architect, and deliver large‑scale, enterprise‑grade software systems, ensuring performance, scalability, reliability, and maintainability. Drive architectural discussions, define technical direction, and influence product roadmaps through informed recommendations on new features, system enhancements, and modernization initiatives. Identify systemic code quality, performance, and architectural issues, and lead remediation through refactoring, redesign, or standardization activities. Produce high‑quality technical documentation, design specifications, and architectural artifacts; communicate complex technical topics clearly to engineering and leadership stakeholders. Serve as an escalation point for the most challenging debugging, production, and customer‑reported issues, providing guidance to other engineers and driving root‑cause resolution. Operate with full autonomy to deliver complex enhancements, resolve critical defects, and implement major new product capabilities, often spanning multiple components or services. Develop deep expertise in hardware-software interactions and system‑level integration, and provide architectural input on cross‑platform and cross‑component behaviors. Demonstrate technical leadership in collaborative engineering practices, including leading code reviews, mentoring peers, setting coding standards, and improving development workflows. Model a strong team‑oriented culture, driving accountability, ownership, and engineering excellence across the organization. Champion continuous learning and domain mastery, proactively identifying opportunities to modernize tools, improve architecture, and elevate team capabilities. Exhibit strategic curiosity and an innovation mindset, challenging assumptions, proposing new approaches, and influencing long‑term technical evolution. Required Qualifications: 8+ years of professional software engineering experience, with a proven record of delivering complex, high‑impact systems in production environments. Demonstrated history of leading large‑scale, real‑world software development initiatives, including cross‑component or cross‑platform projects. Expert‑level proficiency in C++, with deep understanding of object‑oriented design, advanced language features, and architectural trade‑offs. Strong understanding of REST APIs, distributed system patterns, RDBMS concepts, and SQL, including query tuning and performance diagnostics on SQL Server, Oracle, PostgreSQL. Extensive experience designing and developing enterprise‑grade applications, frameworks, or platform components. Familiarity with parser and compiler‑adjacent tooling, such as ANTLR, JavaCC, yacc/bison, or custom parser frameworks-ability to analyze, modify, or extend grammar‑based systems. Strong proficiency in both Windows and Linux environments, including command‑line tooling, system‑level troubleshooting, and cross‑platform development workflows. Ability to mentor engineers, influence architectural decisions, and drive engineering best practices across teams. Strong communication skills, capable of articulating complex technical topics to technical and non‑technical stakeholders. Advanced expertise in Qt Core and other low-level modules Skilled at reducing platform‑specific code and increasing portability across Windows and Linux Expert-level experience in both Windows and Linux development Strong command of OS internals, filesystems, threading models, debugging tools Highly desirable: leading major efforts to port Windows applications to Linux Exposure to IBM i (AS/400) and/or IBM z architectures desirable AI & Developer Productivity Tools Hands-on experience using AI code assistants such as: GitHub Copilot Microsoft Copilot Ability to leverage AI tools for: Code generation Refactoring Unit test creation Documentation Development acceleration Strong understanding of validating and responsibly integrating AI-generated code into production-quality systems Containeriza

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