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60 Comsys Senior Software Engineer Jobs Hiring Near You

Comcast

$75 - $95/hr

Work with engineering team, product, and user experience to understand new requirements. * Refine ... Build re‑usable software components or libraries that can be used by multiple teams, where needed.

Comcast

Sr. Software Engineer-7980

Reston, VA · On-site +1

$127K - $168K/yr

Bachelor's degree, or foreign equivalent, in Computer Science, Engineering, or related technical field, and five (5) years of experience developing backend software using Go; of which three (3) years ...

Comcast

Sr. Software Engineer 7947

Reston, VA · Remote

$127K - $168K/yr

Bachelor's degree, or foreign equivalent, in Computer Science, Engineering, or related technical field, and five (5) years of experience developing back-end software using Golang, Python, Gin, Go ...

New

Comcast

Sr. Software Engineer - AI Agentic

Philadelphia, PA · On-site +1

$123K - $163K/yr

As an AI Agentic Software Engineer, you will help rewrite an existing production application into an end-to-end agentic platform, with a strong passion for customer experience and a commitment to ...

Comcast

Sr. Software Engineer - AI Agentic

Philadelphia, PA · On-site +1

$123K - $163K/yr

As an AI Agentic Software Engineer, you will help rewrite an existing production application into an end-to-end agentic platform, with a strong passion for customer experience and a commitment to ...

Comcast

Sr. Software Engineer (Data)-0336

Reston, VA · On-site +1

$119K - $143K/yr

... software update process for existing applications, and roll-outs of software releases; analyze ... Bachelor's degree, or foreign equivalent, in Computer Science, Engineering, or related technical ...

New

Comcast

Sr. Software Architect - Java Development

Plano, TX · On-site

$113K - $195K/yr

This role requires a strong understanding of software engineering best practices and the ability to ... Mentor junior and senior engineers, promoting a culture of continuous learning and technical ...

Comcast

Sr. Software Architect - Java Development

Plano, TX · On-site

$113K - $195K/yr

This role requires a strong understanding of software engineering best practices and the ability to ... Mentor junior and senior engineers, promoting a culture of continuous learning and technical ...

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Infographic showing various Senior Software Engineer job openings at Comsys in the United States as of July 2026, with employment types broken down into 97% Full Time, and 3% Part Time. Highlights an 95% Physical, and 5% Remote job distribution.
Sr. C++ Software Engineer- 2 Days Onsite - Reston, VA - FreeWheel

Sr. C++ Software Engineer- 2 Days Onsite - Reston, VA - FreeWheel

Comcast

Reston, VA

$127K - $168K/yr

Full-time

Posted 27 days ago

Job description

FreeWheel, a Comcast company, provides comprehensive ad platforms for publishers, advertisers, and media buyers. Powered by premium video content, robust data, and advanced technology, we're making it easier for buyers and sellers to transact across all screens, data types, and sales channels. As a global company, we have offices in nine countries and can insert advertisements around the world.

Job Summary

The Sr. Software Engineer is responsible for developing software solutions for the Ad Serving team at FreeWheel.
The Ad Serving system is the backbone of FreeWheel's demand side platform (DSP) advertising business. It listens to billions of ad auctions per day, decides which of our hundreds of customers should participate, and executes complex bidding strategies to provide optimal results -- in milliseconds.
The Sr. Software Engineer is expected to:
- Design, own, and deliver high-quality software
- Function effectively as a member of a team
- Mentor junior engineers
- Interact with management and other members of the development group
- Continually seek to improve themselves and the company

Job Description

Essential Functions:

The Sr Software Engineer must be able to:

  • Be effective members of their team,departmentand company

  • Demonstrate good analytical abilities, attention to detail, and strong verbal/written communication skills in English

  • Work on multiple projects simultaneously when asked

  • Work with a range of technologies, programming languages, and applications

  • Write quality software within reasonabletimeframesbased on thedesigns and specifications provided

Preferred Job Knowledge,SkillsandAbilities:

  • 4+ years of professional experience withcompiled languages (C++ preferred),databases, andnetworkprogramming.

  • Solid understanding of object-oriented programming concepts

  • Proficient understanding of code versioning tools such as Git

  • Ability to adapt quickly to an existing, complex environment

  • Excellent debugging and troubleshooting abilities

  • Excellent communication skills

  • Go Lang experience is a plus

  • Ad Tech experience is a plus

CoreResponsibilities:

  • Provide technical leadership in designing, developing,maintaining, troubleshooting, and owningservers and cloud-based systems

  • Write,maintain, and deploy cloud-based software and distributed computational systems using the Linux operating system

  • Develop software and software architecture using C++

  • Plan and execute the development, testing, and deployment of new software features and improvements to cloud-based software infrastructure; work with scalable design patterns

  • Use data warehouses including Snowflake, and distributed databases, includingAerospike

  • Analyze and optimize algorithm performance; document all development activity

  • Research, write, and edit documentation and technical requirements, including software designs, evaluation plans, test results, technical manuals, and formal recommendations and reports

  • Monitor and evaluate competitive applications and products; review literature, patents, and current practices relevant to the solution of assigned projects

  • Collaborate with project stakeholders toidentifyproduct and technical requirements; conduct analysis todetermineintegration needs

  • Work with the Quality Assurance team todetermineif applications fit specification and technical requirements

  • Review code

  • Disseminate software best practices.

  • Consistent exercise of independent judgment and discretion in matters of significance.

  • Regular,consistentand punctual attendance. Must be able to work nights and weekends, variable schedule(s)andovertimeas necessary.

  • Other duties and responsibilities as assigned.

Employees at all levels are expected to:

  • Understand our Operating Principles; make them the guidelines for how you do your job.
  • Own the customer experience think and act in ways that put our customers first, give them seamless digital options at every touchpoint, and make them promoters of our products and services.
  • Know your stuff be enthusiastic learners, users and advocates of our game-changing technology, products and services, especially our digital tools and experiences.
  • Win as a team make big things happen by working together and being open to new ideas.
  • Be an active part of the Net Promoter System a way of working that brings more employee and customer feedback into the company by joining huddles, making call backs and helping us elevate opportunities to do better for our customers.
  • Drive results and growth.
  • Support a culture of inclusion in how you work and lead.
  • Do what's right for each other, our customers, investors and our communities.


Disclaimer: This information has been designed to indicate the general nature and level of work performed by employees in this role. It is not designed to contain or be interpreted as a comprehensive inventory of all duties, responsibilities and qualifications.

Skills

Communication, Software Engineering, Systems Design

We believe that benefits should connect you to the support you need when it matters most, and should help you care for those who matter most. That's why we provide an array of options, expert guidance and always-on tools that are personalized to meet the needs of your reality-to help support you physically, financially and emotionally through the big milestones and in your everyday life.


Please visit the benefits summary on our careers site for more details.

Education

Bachelor's Degree: Information Technology (Required)While possessing the stated degree is preferred, Comcast also may consider applicants who hold some combination of coursework and experience, or who have extensive related professional experience.

Certifications (if applicable)

Relevant Work Experience

7-10 YearsComcast is an equal opportunity workplace. We will consider all qualified applicants for employment without regard to race, color, religion, age, sex, sexual orientation, gender identity, national origin, disability, veteran status, genetic information, or any other basis protected by applicable law.

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