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Overnight Senior C# Developer Jobs (NOW HIRING)

Deep Systems

$126K - $166K/yr

Senior Software Engineer Requirements: * Capital Markets Experience - understanding of front ... Partner with Lead Developer and Executive Management on various projects. * Manage individual ...

Lockheed Martin

Software Engineer Sr C/C++

Manassas, VA · On-site

$122K - $161K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

The Work Lockheed Martin Rotary and Mission Systems is seeking a Software Engineer C/C++ Sr. in ... Azure DevOps) to automatically compile, run unit/integration tests, and deliver builds for C/C ...

Lockheed Martin

Software Engineer Sr C/C++

Manassas, VA

$122K - $161K/yr

The Work Lockheed Martin Rotary and Mission Systems is seeking a Software Engineer C/C++ Sr. in Manassas, VA. In this role you will have the responsibility of: Participate in a crossfunctional team ...

New

Cymertek

C / C++ / Java Software Developer

Chantilly, VA · On-site

$50.75 - $68.25/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

... Senior Software Developer, Software Architect, etc. DEGREE (Level Desired) Bachelor's Degree DEGREE (Focus) Computer Science, Software Engineering, Computer Engineering, Information Technology ...

Marriott

Overnight Sr. Maintenance

Nashville, TN · On-site

Display advanced knowledge of engineering computer programs related to preventative maintenance, energy management, and other systems, including devices that interact with such programs. Perform ...

Cymertek

C / C++ / Java Software Developer

Reston, VA · On-site

$51 - $68.75/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

... Senior Software Developer, Software Architect, etc. DEGREE (Level Desired) Bachelor's Degree DEGREE (Focus) Computer Science, Software Engineering, Computer Engineering, Information Technology ...

Cymertek

C / C++ / Java Software Developer

Honolulu, HI · On-site

$48.50 - $65.25/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

... Senior Software Developer, Software Architect, etc. DEGREE (Level Desired) Bachelor's Degree DEGREE (Focus) Computer Science, Software Engineering, Computer Engineering, Information Technology ...

Cymertek

C / C++ / Java Software Developer

Annapolis Junction, MD · On-site

$50 - $67.50/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

... Senior Software Developer, Software Architect, etc. DEGREE (Level Desired) Bachelor's Degree DEGREE (Focus) Computer Science, Software Engineering, Computer Engineering, Information Technology ...

Cymertek

C / C++ / Java Software Developer

Aurora, CO · On-site

$50 - $67.25/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

... Senior Software Developer, Software Architect, etc. DEGREE (Level Desired) Bachelor's Degree DEGREE (Focus) Computer Science, Software Engineering, Computer Engineering, Information Technology ...

Cymertek

C / C++ / Java Software Developer

Tysons, VA · On-site

$49.25 - $66.25/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

... Senior Software Developer, Software Architect, etc. DEGREE (Level Desired) Bachelor's Degree DEGREE (Focus) Computer Science, Software Engineering, Computer Engineering, Information Technology ...

Cymertek

C / C++ / Java Software Developer

San Antonio, TX · On-site

$44.50 - $60/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

... Senior Software Developer, Software Architect, etc. DEGREE (Level Desired) Bachelor's Degree DEGREE (Focus) Computer Science, Software Engineering, Computer Engineering, Information Technology ...

Mentor Technical Group

Sr. C&Q Specialist

Juncos, PR · On-site

MTG is recognized for its expertise in life sciences engineering, ensuring compliance with ... Support Commissioning and Qualification (C&Q) activities for plants and equipment. * Develop ...

Mentor Technical Group

Sr. C&Q Specialist

Juncos, PR · On-site

As a world leader in life science engineering and technical solutions, MTG has the knowledge and ... Collaborate with C&Q Engineers to develop and maintain commissioning and qualification procedures ...

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Infographic showing various Overnight Senior C# Developer job openings in the United States as of August 2026, with employment types broken down into 1% As Needed, 77% Full Time, 21% Part Time, and 1% Contract. Highlights an 89% Physical, and 11% Remote job distribution.

Senior C/C++ Software Engineer (Remote)

Deep Systems

Remote

$126K - $166K/yr

Full-time

Re-posted 12 days ago

Job description

Company Info
Deep Systems is a fast-growing Chicago based capital markets technology company whose mission is to deliver and manage cohesive, state-of-the-art, cost-effective, and scalable technology solutions. The solutions we deliver simplify operations, reduce key-person dependencies, and enable our customers to focus on the areas of their business where they derive the most value.


About the Position
We're looking for a highly skilled and adaptable senior C/C++ engineer to join our growing team of highly talented engineers. The ideal candidate will make an immediate impact in a fast-paced and agile environment.


Qualifications
Our team is not focused on degrees or years of experience, however for this senior role the candidate must have a real world and applied understanding of the requirements listed below: 


Senior Software Engineer Requirements:

  • Capital Markets Experience - understanding of front / middle office workflows and trading
  • Low level understanding of hardware and OS
  • Thorough understanding of network protocols (TCP/IP, UDP, etc.)
  • Low latency patterns (NUMA, Core Isolation, etc.)
  • Threading models
  • Developing and debugging on Linux (gdb, valgrind, etc)
  • Comfortable with understanding and implementing protocols (proprietary binary, JSON, etc.)
  • Knowledge of Python and Bash
  • High personal code/development standards (peer testing, unit testing, documentation, etc.
  • Experience w/ low level network card APIs (IB Verbs, SF EF_VI) a plus
  • Git source control experience a plus


Senior Software Engineer Responsibilities:

  • Architecting and developing new software platforms, including but not limited to high-speed trading systems.
  • Identify bottlenecks, troubleshoot bugs, and devise solutions to these problems
  • Help maintain code quality, organization, and automation
  • Partner with Lead Developer and Executive Management on various projects.
  • Manage individual project priorities, deadlines and deliverables.


Position Location

This position does not have any geographic requirements; however, collaboration and coordination with a remote team is required

Employment Type: FULL_TIME

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