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Freelance Senior Software Engineer Jobs (NOW HIRING)

Breaking Ground

Senior Software Engineer

New York, NY · On-site

$134K - $176K/yr

Senior Software Engineer Reporting to the Assistant Vice President, Software Engineering, the Senior Software Engineer builds software to optimize workflows and increase system accuracy. They create ...

Hypertherm

Senior Software Engineer

Kent, WA · On-site

$103K - $172K/yr

Senior Software Engineer Hypertherm Associates is looking for a Senior Software Engineer to join our dynamic team in Kent, Washington! The Senior Software Engineer will play a critical hands-on role ...

cxb

Senior Software Engineer

Manhattan, NY

$134K - $177K/yr

Senior Software Engineer Reporting to the Assistant Vice President, Software Engineering, the Senior Software Engineer builds software to optimize workflows and increase system accuracy. They create ...

CGI Inc.

Senior Software Engineer

Aberdeen, MD · On-site

$131K - $173K/yr

Senior Software Engineer Category: Software Development/ Engineering Main location: United States, Maryland, Aberdeen Position ID:J0726-0842 Employment Type: Full Time Position Description: CGI ...

Allegion

Sr. Software Engineer

Colorado Springs, CO · On-site

$120K - $159K/yr

The Sr. Software Engineer will approach business problems with a mindset balancing delivery of objectives with the non-functional requirements of the overall platform. Primarily the Sr. Software ...

Allegion

Sr. Software Engineer

Colorado Springs, CO · On-site

$120K - $159K/yr

The Sr. Software Engineer will approach business problems with a mindset balancing delivery of objectives with the non-functional requirements of the overall platform. Primarily the Sr. Software ...

Wrenchio LLC

Senior Software Engineer

Annapolis Junction, MD · On-site

$134K - $177K/yr

The role of Sr. Software Engineer includes developing, maintaining, and enhancing software systems in accordance with project requirements. Works effectively both independently and collaboratively ...

Key Choice Group

Senior Software Engineer

Richmond, VA · On-site

$90K - $110K/yr

Senior Software Engineer Our client, in the specialty transportation industry, is seeking a Senior Software Engineer to join their team, hit the ground running, and help drive to success.This is a ...

Xometry

Senior Software Engineer

Boston, MA

$133K - $175K/yr

We are looking for a Staff Software Engineer to join our Xometry Partner Experience Technology Organization. In this role as a senior individual contributor, you will guide software implementation ...

Everblue

Senior Software Engineer

Huntersville, NC · On-site

$115K - $151K/yr

The Senior Software Engineer collaborates closely with product management, UX/UI design, quality assurance, and engineering leadership to deliver innovative, scalable, and maintainable solutions ...

EPS Corporation

Senior Software Engineer

Panama City, FL · On-site

$109K - $144K/yr

EPS Corporation Company is seeking a highly skilled Senior Software Engineer The Senior Software Engineer provides technical leadership in the design, development, integration, and sustainment of ...

Oscar Technology

Senior Software Engineer

San Jose, CA · On-site

$250K - $300K/yr

Senior Software Engineer Location: San Jose, CA Salary: $250k - $300K An AI startup is hiring a Senior Software Engineer to join its early engineering team and help build the next generation of AI ...

Harvard University

Senior Software Engineer

Boston, MA · On-site

$133K - $175K/yr

The Senior Software Engineer role focuses on developing secure new applications and functionality, enhancing and supporting existing applications, providing system redundancy, and collaborating ...

Everblue

Senior Software Engineer

Huntersville, NC · On-site

$115K - $151K/yr

The Senior Software Engineer collaborates closely with product management, UX/UI design, quality assurance, and engineering leadership to deliver innovative, scalable, and maintainable solutions ...

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Freelance Senior Software Engineer information

See salary details

$75.5K

$143.3K

$192K

How much do freelance senior software engineer jobs pay per year?

As of Jul 14, 2026, the average yearly pay for freelance senior software engineer in the United States is $143,292.00, according to ZipRecruiter salary data. Most workers in this role earn between $122,500.00 and $161,500.00 per year, depending on experience, location, and employer.

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

AspectFreelance Senior Software EngineerFreelance Software Developer
Experience LevelTypically 5+ years, with leadership and architecture skillsVaries from entry-level to mid-level, focused on coding and implementation
ResponsibilitiesDesigning systems, leading projects, mentoringWriting code, developing features, fixing bugs
CredentialsStrong portfolio, possibly certifications like AWS, ScrumPortfolio, coding skills, possibly certifications
Work EnvironmentRemote or client-site, often in tech companies or startupsRemote or client-site, in various industries

Freelance Senior Software Engineers typically have more experience, leadership responsibilities, and focus on system design, while Freelance Software Developers concentrate on coding and feature development. Both roles are in high demand in the freelance market, but the senior role often commands higher rates due to expertise and project scope.

What are some common challenges faced by Freelance Senior Software Engineers when managing multiple client projects simultaneously?

Freelance Senior Software Engineers often juggle multiple projects for different clients, which can present challenges such as balancing competing deadlines, adapting to varying coding standards, and maintaining clear communication across diverse teams. Time management and setting realistic expectations are crucial to ensure high-quality deliverables. Additionally, staying up to date with new technologies and industry best practices helps maintain a competitive edge and satisfy client requirements.

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

To thrive as a Freelance Senior Software Engineer, you need advanced programming expertise, strong problem-solving skills, and a proven track record in software development, often backed by a relevant degree and years of experience. Familiarity with version control systems like Git, cloud platforms such as AWS or Azure, and mastery of frameworks and languages (e.g., JavaScript, Python, Java) are crucial, along with certifications like AWS Certified Solutions Architect or Microsoft Certified: Azure Developer Associate. Outstanding communication, time management, and self-motivation are vital soft skills for independently managing projects and collaborating with diverse clients. These competencies ensure you can deliver high-quality, scalable solutions while building strong client relationships and managing multiple projects efficiently.

What are Freelance Senior Software Engineers?

Freelance Senior Software Engineers are highly experienced software professionals who work independently rather than as full-time employees of a single company. They take on contract-based projects for various clients, often leading development teams, architecting systems, and solving complex technical problems. Their responsibilities typically include coding, reviewing code, mentoring junior engineers, and ensuring that software solutions meet client requirements. Freelance senior engineers offer flexibility and specialized expertise, making them a valuable asset for businesses needing advanced software solutions without long-term commitments.
More about Freelance Senior Software Engineer jobs
What cities are hiring for Freelance Senior Software Engineer jobs? Cities with the most Freelance Senior Software Engineer job openings:
What are the most commonly searched types of Senior Software Engineer jobs? The most popular types of Senior Software Engineer jobs are:
What states have the most Freelance Senior Software Engineer jobs? States with the most job openings for Freelance Senior Software Engineer jobs include:
What job categories do people searching Freelance Senior Software Engineer jobs look for? The top searched job categories for Freelance Senior Software Engineer jobs are:
Freelance Senior Software Engineer jobs near you
Infographic showing various Freelance Senior Software Engineer job openings in the United States as of July 2026, with employment types broken down into 50% Full Time, and 50% Part Time. Highlights an 100% Remote job distribution, with an average salary of $143,292 per year, or $68.9 per hour.
Senior Software Engineer

Senior Software Engineer

Breaking Ground

New York, NY • On-site

$134K - $176K/yr

Full-time

Posted 7 days ago

Job description

Senior Software Engineer
Reporting to the Assistant Vice President, Software Engineering, the Senior Software Engineer builds software to optimize workflows and increase system accuracy. They create software tools to optimize the technical direction for the organization and provide support for seamless integrations with external software.
 
ESSENTIAL DUTIES AND RESPONSIBILITIES:

Write scalable, documented, and tested code that aligns with best practices in security, performance, and maintainability
Build software and run regular reports for ongoing review of the quality of data collection 
Run regular reports to check for data quality
Collaborate with teams to understand business needs and integrate them into software design and architecture
Optimize and enhance existing software to maintain compliance and improve performance
Provide support to junior engineers through code reviews, pair programming, and technical expertise
Identify opportunities to improve development processes and advocate for best practices in coding, testing, and deployment
Troubleshoot and resolve complex technical issues across the stack
Stay current with emerging technologies and industry trends to drive innovation
Perform other duties as assigned

MINIMUM QUALIFICATIONS:

Bachelor’s in Computer Science or equivalent experience
Minimum 5 years of software development experience
Experience building and maintaining web applications
Proficiency in C#, JavaScript, Python, SQL, SQL Server, ASP.NET, Microsoft Azure suite or similar cloud infrastructure and CI/CD pipelines
Strong organizational skills with the ability to manage multiple significant priorities, including complex and time sensitive projects, and the ability to work under pressure and to meet deadlines
Highly analytical and a strategic problem solver

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