Remote C++ Expert Engineer - Performance Systems Lead

Ensono; Trenton (NJ); Remote; USD 130,000 - 150,000; Full time

Benefits offered by this job

Unlimited Paid Days Off

Three health plan options

401k with company match

Education Reimbursement

Wellness program

Flexible work schedule

Job summary

Ensono seeks an Expert C++ Software Engineer to design, develop, and maintain high-performance C++ systems in a remote US setting. You will lead architectural decisions, mentor peers, and enforce best practices across the SDLC.

The role requires deep expertise in memory management, multithreading, CMake, Docker, CI/CD pipelines, and Linux development. Strong problem-solving and collaboration skills are essential for success in a distributed environment.

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

C++

Memory management

Multithreading

CMake

Docker

CI/CD

GDB

Valgrind

Linux

Python

SQL

Git

Education

CS degree or equiv

Bachelor's/Master's preferred

Tools

Docker

CMake

Git

Jenkins

GitHub Actions

Valgrind

GDB

Job description

Ensono seeks an Expert C++ Software Engineer to design, develop, and maintain high-performance C++ systems in a remote US setting. You will lead architectural decisions, mentor peers, and enforce best practices across the SDLC.

The role requires deep expertise in memory management, multithreading, CMake, Docker, CI/CD pipelines, and Linux development. Strong problem-solving and collaboration skills are essential for success in a distributed environment.