Remote Senior C++ Architect: High-Performance Systems Lead

Ensono; Madison (WI); Remote; USD 130,000 - 150,000; Full time

Benefits offered by this job

Unlimited Paid Days Off

Health plan options

401k with company match

Educational reimbursement

Job summary

Ensono is seeking a highly skilled C++ Expert Engineer with 10+ years of hands-on, production-level experience to design, develop, and maintain high-performance C++ systems. You will lead architecture decisions, mentor peers, and ensure best practices across the software lifecycle in a Linux environment.

The role emphasizes ownership of critical components, advanced memory management, and concurrent architectures, with collaboration across cross-functional teams and a push to deliver scalable,

Qualifications

• 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.

Responsibilities

• 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

Skills

Memory management

Multithreading

C++11/14/17/20

CMake

Docker

CI/CD

GDB

Valgrind

Linux

Python

Shell scripting

SQL

Git

Mentoring

System design

Education

Bachelor's or Master’s degree in Computer Science / Software Engineering

Tools

CMake

Docker

Jenkins

GitLab CI

GitHub Actions

GDB

Valgrind

Job description

Ensono is seeking a highly skilled C++ Expert Engineer with 10+ years of hands-on, production-level experience to design, develop, and maintain high-performance C++ systems. You will lead architecture decisions, mentor peers, and ensure best practices across the software lifecycle in a Linux environment.

The role emphasizes ownership of critical components, advanced memory management, and concurrent architectures, with collaboration across cross-functional teams and a push to deliver scalable,