Ensono delivers complete Hybrid IT solutions, from mainframe to cloud, tailored to each client’s journey.
Software Engineer
Location
United States
Posted
2 days ago
Salary
$130K - $188K / year
Seniority
Lead
Job Description
Software Engineer
Ensono
• Architect, develop, and maintain complex, high-performance applications in C++ (C++11/14/17/20 and beyond) • Take ownership of critical system components with a focus on reliability, scalability, and performance • Design and implement solutions involving advanced memory management and concurrent/multithreaded architecture • Lead code reviews and enforce coding standards and best practices across the team • Define and maintain CMake-based build systems and manage multi-platform build configurations • Design and maintain CI/CD pipelines and Docker-based containerisation workflows • Diagnose and resolve complex issues using tools such as GDB and Valgrind; lead performance profiling and tuning initiatives • Collaborate with cross-functional teams in a Linux-based development environment • Contribute to and maintain automation scripts using Python and shell scripting • Interact with relational data sources using SQL where required • Manage source code, branching strategies, and release workflows using Git • Mentor junior and mid-level engineers; drive technical growth across the team • Participate in system design discussions, technical planning, and effort estimation
Job Requirements
- 10+ years of experience in Mainframe Skills COBOL, CICS, JCL, DB2 and VSM
- Expert understanding of dynamic memory allocation, RAII, smart pointers (unique_ptr, shared_ptr, weak_ptr)
- Experience diagnosing and resolving memory leaks, dangling pointers, and buffer overflows
- Familiarity with custom allocators and memory pool strategies
- Strong command of the C++ threading model (std::thread, std::mutex, std::atomic, std::condition_variable)
- Experience with lock-free and wait-free programming patterns
- Ability to identify and resolve race conditions, deadlocks, and thread-safety issues
- Expert-level experience with CMake for cross-platform build configuration
- Proficiency with Docker for containerised development and deployment environments
- Hands-on experience designing and maintaining CI/CD pipelines (e.g., Jenkins, GitLab CI, GitHub Actions)
- Advanced use of GDB for low-level debugging and post-mortem analysis
- Proficiency with Valgrind (Memcheck, Helgrind, Callgrind) for memory and thread analysis
- Bachelor's or master’s degree in computer science, Software Engineering, or a related technical discipline
- Equivalent industry experience will be considered in lieu of formal education
- Soft Skills: Excellent problem-solving and analytical skills. Strong communication and interpersonal skills. Ability to work independently and as part of a team.
Benefits
- Unlimited Paid Days Off
- Three health plan options
- 401k with company match
- Eligibility for dental, vision, short and long-term disability, life and AD&D coverage, and flexible spending accounts
- Family Forming Benefit including fertility coverage and adoption/surrogacy reimbursement
- Paid childbearing and paternal leave
- Education Reimbursement, Student Loan Assistance or 529 College Funding
- Sabbatical leave
- Wellness program
- Flexible work schedule
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