1

Freelance Senior C# Developer Jobs (NOW HIRING)

C / C++ / Java Software Developer

Reston, VA · On-site

$51 - $68.75/hr

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

C / C++ / Java Software Developer

Aurora, CO · On-site

$50 - $67.25/hr

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

C / C++ / Java Software Developer

Tysons, VA · On-site

$49.25 - $66.25/hr

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

C / C++ / Java Software Developer

San Antonio, TX · On-site

$44.50 - $60/hr

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

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 ...

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 ...

We are seeking a Sr. I&C Engineer to join our team in Bothell, WA. Our Engineering group in Bothell, WA USA is looking for a full-time experienced Senior Instrumentation and Controls (I&C) Engineer ...

Senior C/C++ Linux Engineer

Philadelphia, PA · On-site

$123K - $163K/yr

Design, develop, and maintain real-time, fault-tolerant C/C++ applications on Linux platforms ... Expertise in event-driven programming and development of Linux desktop applications * Experience ...

Sr Electrical/ I&C Engineer

$110K - $143K/yr

RCS Staffing has an immediate need for a Senior Electrical/I&C Engineer in Remote (with possible travel less than 10%). This is a full-time direct-hire Remote assignment with our client. This ...

Senior Designer

San Francisco, CA · On-site

$120K - $128K/yr

We are seeking an experienced Freelance Senior Designer to support one of the most globally ... Collaborate closely with UX designers, product managers, strategists, and engineers to ensure ...

Sr Engineer I&C

Charlotte, NC · On-site

$110 - $150/hr

What You'll Do As a Senior I&C Engineer, you will lead the design and delivery of safe, reliable, and efficient control systems while serving as a technical resource for project teams and clients. #J ...

Senior Designer

San Francisco, CA · On-site

$118.30 - $154.70/hr

We are seeking an experienced Freelance Senior Designer to support one of the most globally ... Collaborate closely with UX designers, product managers, strategists, and engineers to ensure ...

Showing results 41-60

Freelance Senior C Developer information

See salary details

$15

$61

$87

How much do freelance senior c# developer jobs pay per hour?

As of Aug 30, 2026, the average hourly pay for freelance senior c# developer in the United States is $61.73, according to ZipRecruiter salary data. Most workers in this role earn between $52.40 and $69.23 per hour, depending on experience, location, and employer.
More about Freelance Senior C Developer jobs

What cities are hiring for Freelance Senior C# Developer jobs?

Cities with the most Freelance Senior C# Developer job openings:

What are the most commonly searched types of Senior C# Developer jobs?

The most popular types of Senior C# Developer jobs are:

What job categories do people searching Freelance Senior C# Developer jobs look for?

The top searched job categories for Freelance Senior C# Developer jobs are:

Infographic showing various Freelance Senior C# Developer job openings in the United States as of August 2026, with employment types broken down into 84% Full Time, 2% Part Time, and 14% Contract. Highlights an 81% Physical, 5% Hybrid, and 14% Remote job distribution, with an average salary of $128,400 per year, or $61.7 per hour.

C / C++ / Java Software Developer

Cymertek Corporation

Aurora, CO • On-site

$90 - $130/hr

Other

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 25 days ago


Job description

C / C++ / Java Software DeveloperLOCATION

Aurora, CO 80014

CLEARANCE

TS/SCI Full Poly (Please note this position requires full U.S. Citizenship)

KEY SUMMARY

We are seeking a talented and versatile C / C++ / Java Software Developer to join our dynamic team. In this role, you will work on developing, testing, and optimizing high-performance software solutions across multiple platforms. The ideal candidate will be passionate about coding, problem-solving, and working in a collaborative environment to deliver innovative solutions. You will be responsible for writing clean, efficient code, debugging issues, and contributing to the design and architecture of applications. If you are a driven individual who enjoys tackling complex challenges and making a meaningful impact, we encourage you to apply and become part of our team.

*** Please note that our job openings are dynamic and can open or close quickly (much faster than we can publish). If you do not see an opening you are looking for, know that we see almost all types of positons. We strive to keep our listings up to date, but please consider submitting your current resume. Our team will work with you to identify the most recent opportunities that align with your skillset and career goals. We look forward to you joining our family. ***

SIMILAR CAREER TITLES

Software Engineer, Backend Developer, Full Stack Developer, Systems Developer, Application Developer, Embedded Software Developer, Java Developer, C++ Developer, C Developer, Senior Software Developer, Software Architect, etc.

DEGREE (Level Desired)

Bachelor's Degree

DEGREE (Focus)

Computer Science, Software Engineering, Computer Engineering, Information Technology, Applied Mathematics, Electrical Engineering, Data Science, Software Architecture, Information Systems, Artificial Intelligence, Cybersecurity, etc.

ALTERNATE EXPERIENCE

General comment on degrees: Most contracts allow additional experience (4-5 years) in lieu of a Bachelor's Degree. Some contracts give 4-5 years experience credit for a Bachelor's Degree. Some contracts give 2 years experience credit for a Master's Degree. We will work with you to find the right fit.

POSITION RESPONSIBILITIES
  • Develop and maintain software applications
  • Write clean, efficient, and reusable code
  • Collaborate with cross-functional teams
  • Debug and resolve software defects
  • Participate in code reviews
  • Ensure software is scalable and maintainable
REQUIRED SKILLS
  • Proficiency in C, C++, or Java
  • Strong knowledge of algorithms and data structures
  • Familiarity with object-oriented design
  • Experience with version control systems
  • Understanding of multi-threading
  • Knowledge of software development lifecycle
DESIRED SKILLS
  • Experience with cloud-based development
  • Familiarity with containerization tools
  • Knowledge of microservices architecture
  • Experience with databases (SQL/NoSQL)
  • Understanding of performance optimization techniques
  • Experience with automated testing frameworks
PLUG IN to CYMERTEK - And design your future...YOUR FOREVER CAREER STARTS HERE

Are you looking for more than just a job? Join a company where employees are treated like family, and your career is built to last. We are a growing small business and a trusted federal contractor offering full scope consulting services in information technology, cybersecurity, and analyst workforce development.

At our company, you come first. We’re committed to creating an environment where you’ll thrive professionally and personally. We provide meaningful, challenging work using cutting-edge technologies while investing in your growth and success. With direct access to company leadership, a laid-back and inclusive atmosphere, and exceptional work-life balance, you’ll feel valued every day.

We also believe in taking care of our family - both yours and ours. Our benefits are phenomenal, family-friendly, and designed with your well-being in mind. From employee and family events to career-long support, we create a community you’ll never want to leave.

Ready to make your next move the best one? Join us and experience the difference.

BENEFITS
  • Excellent Salaries
  • Flexible Work Schedule
  • Cafeteria Style Benefits
  • 10% - 401k Matching (Vested Immediately)
  • Additional 401k Profit Sharing
  • 30 days Paid Leave/Holiday (No Use or Lose!)
  • The day off for your birthday
  • Medical/Dental/Vision - 100% employee coverage.($1200 allowance - or a bonus)
  • HSA/FSA
  • AFLAC
  • Long Term/Short Term Disability - 100% employee coverage. No cost to you.
  • Life Insurance - 100% employee coverage. No cost to you.
  • Additional Discretionary Life Insurance
  • Paid Training
  • No long, wordy reviews with tons of paperwork!!!
  • Referral bonus program with recurring annual payments
EQUAL OPPORTUNITY EMPLOYER STATEMENT

Cymertek is proud to be an Equal Opportunity Employer committed to fostering an inclusive and diverse workplace. We embrace and celebrate differences in our employees, recognizing that a diverse workforce enhances our creativity, innovation, and overall success. At Cymertek, employment decisions are made based on merit, qualifications, and business needs without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, veteran status, or any other characteristic protected by applicable laws. We believe in creating an environment where all individuals are treated with respect and dignity, and where opportunities for professional growth and advancement are accessible to everyone, regardless of background or identity.

#J-18808-Ljbffr