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Freelance Senior Software Developer Jobs (NOW HIRING)

Saalex

Senior Software Developer

Lexington Park, MD · On-site

$145K - $190K/yr

Salary: $145k-$190k (depending on experience) We are seeking an experienced Senior Software Developer to design, develop, and enhance software solutions that support mission-critical systems. This ...

Ra

Senior Software Developer

New York, NY

$59.50 - $78.75/hr

Senior Software Engineer Job Level : Senior Level Job Location: New York, NY Industry: Start Up THIS IS WHAT YOU WILL DO... You will collabrate with design and product members to define customer ...

Apex Informatics

Senior Software Developer

$55.75 - $73.75/hr

Senior Software Developer (Python +JavaScript) LinkedIn recommendation is a must. * 15800 Northup Way Bellevue Washington 98008 United States * 100% Remote * 12 months assignment Must have : • 5+ ...

Verdant

Senior Software Developer

Brackettville, TX · On-site +1

$50 - $66/hr

We are looking for a full stack Senior Software Developer to join this team. Verdant is a fast-paced business that provides numerous opportunity to grow and evolve. Our team members need to be ...

Saalex

Senior Software Developer

Lexington Park, MD · On-site

$145K - $190K/yr

Salary: $145k-$190k (depending on experience) We are seeking an experienced Senior Software Developer to design, develop, and enhance software solutions that support mission-critical systems. This ...

Saalex

Senior Software Developer

Lexington Park, MD · On-site

$145K - $190K/yr

Salary: $145k-$190k (depending on experience) We are seeking an experienced Senior Software Developer to design, develop, and enhance software solutions that support mission-critical systems. This ...

Ra

Senior Software Developer

New York, NY · On-site

$59.50 - $78.75/hr

Senior Software Engineer Job Level : Senior Level Job Location: New York, NY Industry: Start Up THIS IS WHAT YOU WILL DO... You will collabrate with design and product members to define customer ...

Prescient Edge

Senior Software Developer

Doral, FL · On-site

$52.25 - $68.75/hr

Job Title Senior Software Developer Location Doral, FL 33122 US (Primary) Category Intelligence Job Type Full-Time Career Level Staff Education Bachelor's Degree Travel Security Clearance Required TS ...

Lanvera

Senior Software Developer

Coppell, TX · On-site

$50.75 - $67/hr

Senior Software Developer Green Card or U.S Citizen POSITION As a Senior Software Developer, you will play a crucial role in developing enterprise-level software applications in the Microsoft .NET ...

Lanvera

Senior Software Developer

Coppell, TX · On-site +1

$50.75 - $67/hr

Senior Software Developer Green Card or U.S Citizen POSITION As a Senior Software Developer, you will play a crucial role in developing enterprise-level software applications in the Microsoft .NET ...

Beyond SOF

Senior Software Developer

Linthicum Heights, MD

$53.50 - $70.50/hr

The Senior Software Developer will join a multi-disciplinary team of subject matter experts supporting the U.S. Air Force Cyber Capabilities Support Office and U.S. Cyber Command Cyber Mission Forces.

Henpen Corporation

Sr Software Developer -

Tucson, AZ · On-site

$160K - $260K/yr

Senior Software Developer - Mission-Critical R&D (TS/SCI Required) Tucson, AZ (Onsite) $160,000 - $260,000 Base + Stock + Full Benefits + Paid Relocation U.S. Citizenship + Active TS/SCI Clearance ...

Beyond SOF

Senior Software Developer

Linthicum, MD · On-site

$53.50 - $70.50/hr

The Senior Software Developer will join a multi-disciplinary team of subject matter experts supporting the U.S. Air Force Cyber Capabilities Support Office and U.S. Cyber Command Cyber Mission Forces.

Amat

Senior Software Developer

Benicia, CA

$112K - $154K/yr

Senior Software Engineer - Sigray Connect Location: Benicia, CA (Onsite) Department: Software Engineering About the Role We are seeking a highly experienced Senior Software Engineer to lead ...

VTG

Senior Software Developer

Hanover, MD · On-site

$54.25 - $71.75/hr

Overview Triaplex, Inc. (A wholly owned subsidiary of VTG) is looking for an Senior Software Developer to join our team. This position will support a mission-focused customer developing, deploying ...

Applied Materials

Senior Software Developer

Benicia, CA · On-site

$112K - $154K/yr

Senior Software Engineer - Sigray Connect Location: Benicia, CA (Onsite) Department: Software Engineering About the Role We are seeking a highly experienced Senior Software Engineer to lead ...

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Freelance Senior Software Developer information

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How much do freelance senior software developer jobs pay per hour?

As of Jun 7, 2026, the average hourly pay for freelance senior software 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.

What are the key skills and qualifications needed to thrive as a Freelance Senior Software Developer, and why are they important?

To thrive as a Freelance Senior Software Developer, you need advanced programming expertise, a robust portfolio, and significant experience with full software development lifecycles. Strong command of frameworks, version control (like Git), cloud platforms, and potentially certifications such as AWS Certified Developer or Microsoft Certified: Azure Developer are highly valuable. Exceptional communication, time management, and problem-solving abilities help you effectively collaborate with clients and manage multiple projects independently. These skills ensure you deliver high-quality, timely solutions while building a strong professional reputation in a competitive freelance market.

How do Freelance Senior Software Developers typically manage client expectations and project timelines?

Freelance Senior Software Developers often juggle multiple clients and projects, which requires clear communication and proactive expectation management. They usually begin by setting detailed project scopes, timelines, and deliverables with clients, then provide regular updates and adjust schedules as needed to accommodate changes or unforeseen challenges. Strong time management skills and transparent reporting help ensure that projects stay on track and that clients remain informed and satisfied throughout the development process.

What is the difference between Freelance Senior Software Developer vs Freelance Software Engineer?

AspectFreelance Senior Software DeveloperFreelance Software Engineer
CredentialsTypically requires extensive experience, advanced coding skills, and sometimes certifications like Microsoft or AWSRequires solid coding skills and experience, often with relevant certifications but generally less senior-level expertise
Work EnvironmentWorks independently or with clients directly, often on complex projects requiring leadershipWorks independently or with teams, focusing on software development tasks across various projects
Industry UsageCommonly used in consulting, freelance platforms, and project-based work requiring senior expertiseWidely used in freelance and contract roles across tech industries for development tasks

The main difference lies in experience level and project complexity. Freelance Senior Software Developers typically handle more complex projects and provide technical leadership, while Freelance Software Engineers focus on coding and development tasks across a range of project types.

What does a Freelance Senior Software Developer do?

A Freelance Senior Software Developer designs, develops, and maintains complex software systems for clients or companies on a contract basis. They often work independently, managing multiple projects, collaborating with stakeholders, and ensuring the delivery of high-quality code. Their role may include mentoring junior developers, making architectural decisions, and troubleshooting technical issues. Freelancers have the flexibility to choose their clients and projects, and they are responsible for managing their own workload, deadlines, and business operations.
What cities are hiring for Freelance Senior Software Developer jobs? Cities with the most Freelance Senior Software Developer job openings:
What are the most commonly searched types of Senior Software Developer jobs? The most popular types of Senior Software Developer jobs are:
What states have the most Freelance Senior Software Developer jobs? States with the most job openings for Freelance Senior Software Developer jobs include:
Freelance Senior Software Developer jobs near you
Senior Software Developer

Senior Software Developer

Saalex

Lexington Park, MD • On-site

$145K - $190K/yr

Other

Medical, Dental, Vision, Life, Retirement, PTO

Posted 4 days ago

Job description

Saalex Corporation is seeking a Senior Sostware Developer in Lexington Park, MD. Saalex Corp., is an Engineering and Information Technology Services company with a focus on Test Range Operations and Management, Engineering and Logistics Services, Data Analytics and Business Intelligence Services and Information Technology Services. Founded in 1999 by Travis Mack, Saalex Solutions is a Service Disabled Veteran-Owned and Operated business with prime and subcontract expertise serving the Navy, Army, Air Force, NASA, corporate clients, and local governments. Saalex offers competitive compensation, career development, flexible work schedules and excellent benefits.

Position Type: Contingent on Contract Award.

Salary: $145k-$190k (depending on experience)

We are seeking an experienced Senior Software Developer to design, develop, and enhance software solutions that support mission-critical systems. This role involves researching, analyzing user needs, and applying advanced principles of computer science, engineering, and mathematical analysis to deliver robust and efficient applications. The position may also include integrating hardware and software systems, developing specifications, and maintaining databases within application areas.

Essential Functions:

  • Research, design, and develop computer and network software or specialized utility programs.
  • Analyze user requirements and translate them into effective software solutions.
  • Update and enhance existing software capabilities to improve performance and functionality.
  • Collaborate with hardware engineers to integrate systems and define specifications and performance requirements.
  • Other duties as assigned or required.

Requirements

Required:

  • Minimum 7 years of software development experience, including at least 5 years working with DoD systems.
  • Strong knowledge of software engineering principles, programming languages, and system integration.
  • Ability to work independently and in collaborative team environments.

Desired:

  • Familiarity with secure coding practices and DoD cybersecurity standards.
  • Experience with database development and maintenance.
  • Excellent problem-solving and analytical skills.

Education:

Master's degree in Engineering, Technical, Business, or Computer Science/IT discipline.

Security Clearance:

Active Top Secret clearance required. Requirements to obtain a clearance include US Citizenship, security investigation, etc.

Benefits

  • Health Care Plan (Medical, Dental & Vision)
  • Retirement Plan (401k, IRA)
  • Life Insurance (Basic, Voluntary & AD&D)
  • Paid Time Off (Vacation, Sick & Public Holidays)
  • Short Term & Long Term Disability
  • Training & Development
  • Wellness Resources
  • Stock Option Plan

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