Expert C++ Software Engineer

Ensono; Chicago (IL); Remote; USD 130,000 - 150,000; Full time

Benefits offered by this job

Unlimited Paid Days Off

Health plan options

401k with company match

Fertility/ Adoption reimbursement

Job summary

Ensono is seeking a highly skilled C++ expert to join our engineering team as a production-focused engineer. The role emphasizes design, development, and maintenance of high-performance C++ systems in a remote-capable environment across the United States.

You will mentor peers, drive architectural decisions, and lead best practices throughout the software lifecycle, while collaborating with cross-functional teams in a Linux-based development environment.

Qualifications

• Expert understanding of dynamic memory allocation and RAII.
• Experience diagnosing memory leaks and pointer issues.
• Familiarity with memory allocators and memory pools.
• Strong C++ threading model knowledge.
• Experience with lock-free/wait-free patterns.
• Identify race conditions, deadlocks, and thread-safety issues.
• Expert-level CMake for cross-platform builds.
• Proficiency with Docker for development and deployment.
• Design/maintain CI/CD pipelines (Jenkins, GitLab CI, GitHub Actions).
• Advanced GDB usage for debugging and post-mortem analysis.
• Valgrind tools for memory/thread analysis.
• Bachelor’s or Master’s in CS or related field; equivalent exp.
• Soft skills: problem-solving, communication, teamwork.

Responsibilities

• Architect, develop, and maintain high-performance C++ applications.
• Own critical system components with focus on reliability and performance.
• Lead code reviews and enforce coding standards across the team.
• Define and maintain CMake-based build systems for multi-platforms.
• Maintain Docker-based containerisation workflows for CI/CD.
• Diagnose issues with GDB/Valgrind; drive performance profiling.
• Collaborate with Linux-based development teams.
• Mentor junior engineers and drive technical growth.
• Participate in design discussions, planning, and estimation.

Skills

C++ expert

Memory management

Multithreading

CMake

Docker

CI/CD pipelines

GDB debugging

Valgrind tools

Linux development

Python scripting

Shell scripting

SQL

Education

Bachelor's or Master's in CS/Software Engineering

Equivalent industry experience

Tools

Docker

CMake

CI/CD (Jenkins/GitLab/GitHub Actions)

Git

GDB

Valgrind

Linux

Python

Job description

Expert C++ Software EngineerRemote - United StatesJR013946

At Ensono, our Purpose is to be a relentless ally, disrupting the status quo and unleashing our clients to Do Great Things ! We enable our clients to achieve key business outcomes that reshape how our world runs. As an expert technology adviser and managed service provider with cross-platform certifications, Ensono empowers our clients to keep up with continuous change and embrace innovation.

We can Do Great Things because we have great Associates. The Ensono Core Values unify our diverse talents and are woven into how we do business. These five traits are the key to achieving our purpose.

Honesty – Reliability – Curiosity – Collaboration – Passion

About the role and what you’ll be doing:

We are seeking a highly skilled and experiencedC++ Expert Engineerwith 10+ yearsyearsof hands-on, production-level experiencetojoin our engineering team. In this role,thecandidatewilldesign, develop, andmaintainhigh-performance, production-grade C++ systems.The candidatewill play a key technical leadership role — driving architectural decisions, mentoring peers, and championing best practices across the software development lifecycle.

• 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

We want all new Associates to succeed in their roles at Ensono. That’s why we’ve outlined the job requirements below. To be considered for this role, it’s important that you meet all Required Qualifications. If you do not meet all of the Preferred Qualifications, we still encourage you to apply.

Required 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.

Why Ensono?

Ensono is a place to make better happen – for our clients and for your career. You can do great things through innovation or collaboration, by learning or volunteering, or to promote diversity and inclusion. You can do great things for your own health or for a healthier planet. Whatever it means to you to do great things we want Ensono to be the place you can do it.

We are a client-facing business, but we do encourage clients to allow us to work remotely most of the time so if you are not required to be on a client site, you can choose to work from home or in our Ensono offices.

Some of our benefits include:

• 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

As of the date of this posting, a good faith estimate of the current pay scale for this role is $130,000 to 150,000 annually based on a full-time schedule. Please note that placement in the range may vary based on numerous factors including but not limited to skills, experience, internal equity, and business needs. In addition to base salary, other compensation programs, depending on eligibility, includean annual bonus plan based on company and individual performanceand an equity grant under our Associate Equity Appreciation Program.

Ensono is an Equal Opportunity/Affirmative Action employer. We are committed to providing equal employment to our Associates and building a diverse and inclusive workforce. All qualified applicants will be considered without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, protected veteran status, disability, or other legally protected basis, in accordance with applicable law.

Pay transparency nondiscrimination statement/posting OFCCP’s pay transparency policy can be found onOFCCP’s website (https://www.dol.gov/sites/dolgov/files/OFCCP/pdf/pay-transp_%20English_formattedESQA508c.pdf) .

If you need accommodation at any point during the application or interview process, please let your recruiter know or email [e-mail] .

JR013946