Senior C++ Backend Engineer - Low-Latency Systems

Comcast Corporation; Reston (VA); Remote; USD 142,000 - 213,000; Full time

Job summary

FreeWheel, a Comcast company, is seeking passionate Software Engineers to design, build, and support a high-quality video advertising platform. This virtual-based role offers opportunities to work on scalable backend services, performance optimization, and collaboration with a global engineering hub in New York.

You will contribute to feature roll-outs, system optimization, and mentorship while aligning with the company’s operating principles and focus on customer outcomes.

Qualifications

• Bachelor's Degree or above, 3 years or above relevant work experience.
• Strong proficiency in modern C++ with solid knowledge of multithreading, concurrency, asynchronous programming, and memory management.
• Experience designing and developing high-performance, low-latency, and highly concurrent backend services.
• Experience with Linux performance profiling, benchmarking, debugging, and system-level optimization.

Responsibilities

• Designing new software applications, analyzing system requirements and customizing applications to maximize functionality and user experience.
• Assisting in the software update and release process, ensuring seamless roll-outs of new features.
• Collaborating with stakeholders and cross-functional teams to identify requirements and integrate tailored software solutions.
• Providing mentorship to junior engineers, nurturing a culture of technical excellence and collaborative knowledge sharing.
• Managing the documentation process for all development activities, ensuring clear and accessible information for both technical and non-technical stakeholders.
• Tracking and evaluating software performance metrics, using data to inform decisions and enhance system reliability and user satisfaction.
• Partnering with Quality Assurance to confirm that software complies with technical specifications, ensuring the delivery of reliable applications.
• Leveraging market research and industry trends to drive project strategies and improve software products.
• Participating in or leading peer programming sessions, design sprints, or prototyping sessions.

Skills

C++

multithreading

concurrency

asynchronous programming

memory management

high-performance backend

low-latency

Linux profiling

RPC frameworks

HTTP/gRPC

distributed systems

machine learning inference

NVIDIA Triton

ONNX Runtime

CPU/GPU optimization

problem solving

learning mindset

Education

Bachelor's Degree

Job description

FreeWheel, a Comcast company, is seeking passionate Software Engineers to design, build, and support a high-quality video advertising platform. This virtual-based role offers opportunities to work on scalable backend services, performance optimization, and collaboration with a global engineering hub in New York.

You will contribute to feature roll-outs, system optimization, and mentorship while aligning with the company’s operating principles and focus on customer outcomes.