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Freelance Senior Software Developer Jobs (NOW HIRING)

ULINE

Sr. Software Developer

Waukegan, IL

$123K - $131K/yr

Uline, Inc. seeks a Sr. Software Developer in Waukegan, IL to design, develop, test, deploy, support, and maintain complex web applications based on business requirements. Perform design and code ...

VTG

Senior Software Engineer

Hanover, MD · On-site

$200K - $275K/yr

The Senior Software Developer will design, develop, integrate, test, and maintain enterprise software solutions that interface with embedded devices and vendor-provided Software Development Kits ...

TEKsystems

Senior Software Developer

Hanover, MD · Remote

$97K - $137K/yr

Sr Software Developer/ GCP ( Remote ) Think of TEKsystems Global Services (TGS) as the growth solution for enterprises today. We unleash growth through technology, strategy, design, execution and ...

ULINE

Sr. Software Developer

Waukegan, IL · On-site

$123K - $131K/yr

Uline, Inc. seeks a Sr. Software Developer in Waukegan, IL to design, develop, test, deploy, support, and maintain complex web applications based on business requirements. Perform design and code ...

Synertex LLC

Senior Software Developer

Herndon, VA · On-site +1

$56 - $74/hr

Senior Software Developer National Capital Region TS/SCI Polygraph | Hybrid (Remote with Occasional On-Site) | Immediate Hire Join Synertex and bring your expertise to a mission that matters. We're ...

TMS

Senior Software Developer

Mechanicsburg, PA · On-site

$51.75 - $68.25/hr

We are looking for an experienced Senior Software Developer to lead the design, development, and implementation of large-scale, complex software systems within the Integrated Eligibility (IE) domain.

IGNITE

SENIOR SOFTWARE DEVELOPER

Huntsville, AL · On-site

$53.75 - $71/hr

Job Title SENIOR SOFTWARE DEVELOPER Location Huntsville, AL US (Primary) Category Engineering Job Type Full-Time Career Level Experienced (Non-Manager) Education Bachelor's Degree Security Clearance ...

ULINE

Senior Software Developer

Waukegan, IL · On-site

$131K/yr

Senior Software Developer Job Duties: Uline, Inc. seeks a Senior Software Developer in Waukegan, Illinois to develop software. Craft, test, and deploy Java applications aligned with business needs ...

Samaritan's Purse

Senior Software Developer

Irving, TX · On-site

$52.25 - $69.25/hr

Samaritan's Purse is seeking a Senior Software Developer to join our Information Technology department, working in Irving, TX . As a Senior Software Developer, you will help the ministry deliver high ...

Ambonare

Senior Software Developer

Austin, TX

$54 - $71.25/hr

The Senior Software Developer will initially be supporting one of Red River's public sector clients in downtown Austin, TX. \n \n \n \n \n \n The Senior Software Developer will participate in a web ...

WITS, LLC

Senior Software Developer

Fort George G Meade, MD · On-site

$60.75 - $80.25/hr

Salary: 200-220k WITS is seeking a Senior Software Developer with mid-tier, backend, and some frontend experience. The candidate must be able to work with a small team of developers with similar ...

ULINE

Senior Software Developer

Waukegan, IL

$131K/yr

Senior Software Developer Job Duties: Uline, Inc. seeks a Senior Software Developer in Waukegan, Illinois to develop software. Craft, test, and deploy Java applications aligned with business needs ...

VivSoft Technologies

Senior Software Developer

Herndon, VA · Remote

$55.75 - $73.75/hr

Senior Software Developer Location: Remote, USA Position Type: Full-Time About the company: At VivSoft, we aim to solve complex federal problems using emerging and open technologies in a ...

VTG

Senior Software Engineer

Hanover, MD

$200K - $275K/yr

The Senior Software Developer will design, develop, integrate, test, and maintain enterprise software solutions that interface with embedded devices and vendor-provided Software Development Kits ...

WITS, LLC

Senior Software Developer

Fort George G Meade, MD

$60.75 - $80.25/hr

Salary: 200-220k WITS is seeking a Senior Software Developer with mid-tier, backend, and some frontend experience. The candidate must be able to work with a small team of developers with similar ...

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Freelance Senior Software Developer information

See salary details

$15

$61

$87

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

As of Jul 18, 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
Sr. Software Developer

Sr. Software Developer

ULINE

Waukegan, IL

$123K - $131K/yr

Full-time

Posted 29 days ago

Uline rating

8.3

Company rating: 8.3 out of 10

Uline

Based on 110 frontline employees who took The Breakroom Quiz

7.1

Company rating compared to similar companies: 7.1 out of 10

Retail wholesalers average

Based on 12,425 frontline employees who took The Breakroom Quiz

The best things about working at Uline

  • 100%

    100% say they get paid time off

    say they get paid time off

  • 97%

    97% say their health insurance is affordable

    say their health insurance is affordable

  • 83%

    83% say they get enough training

    say they get enough training

Featured by Uline, based on 110 Breakroom Quiz responses from their frontline employees

Job description

Uline, Inc.

Job Location: 2105 S. Lakeside Dr., Waukegan, IL 60085

Job Title: Sr. Software Developer

Job Duties: Uline, Inc. seeks a Sr. Software Developer in Waukegan, IL to design, develop, test, deploy, support, and maintain complex web applications based on business requirements. Perform design and code reviews and help maintain code quality, performance and application responsiveness. Assist in project planning and architectural design reviews. Utilize Elastic and Dynatrace. Mentor other developers on programming issues and exhibit leadership in cross development practices. Enhance and support world class e-commerce and mobile sites as well as sales, intranet, and internal web applications using object-oriented design, web application architecture, and relational database design. Collaborate with development team to ensure process consistency and timely completion of deliverables. Deliver web solutions using ASP.NET MVC, C#, JavaScript, jQuery, and Typescript. Code versioning and CI/CD tools. Create software models and diagrams showing programmers application code needed. Write SQL queries and stored procedures using T-SQL. Maintain normal software functionality through software maintenance and testing. Document applications for future maintenance and upgrades. Annual salary: $123,092 - $131,124.

Minimum Requirements: Master's degree in Computer Science or a related field plus 3 years (or a Bachelor's degree plus 5 progressive years) of web development experience including: (1) Object-Oriented design, web application architecture, and relational database design; (2) Delivering web solutions using ASP.NET, MVC, C#, and JavaScript; (3) Writing SQL queries; (4) code versioning; (5) debugging Typescript and jQuery code; (6) developing single page web applications; (7) utilizing Angular; and (8) Agile methodology. Will accept any suitable combination of education, training or experience.

To apply, please apply at https://www.uline.jobs/

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Our employees make the difference and we are committed to offering exceptional benefits and perks! Explore Uline.jobs to learn more!

Working at Uline

Perks for frontline workers

From Uline, via Breakroom

  • Complete health insurance coverage and 401(k) with 6% employer match that starts day one!

  • Multiple bonus programs.

  • Paid holidays and generous paid time off.

  • Tuition Assistance Program that covers professional continuing education.

  • Fitness center and walking trails at select locations.

  • In-house speakers, workshops and seminars.

What to expect from working at Uline

From Uline

About Uline, in their own words

From Uline

Uline, a family-owned business headquartered in Kenosha County, Wisconsin, is the leading distributor of shipping, industrial and packaging materials to businesses throughout North America.

What Uline employees say

Pay

Benefits

Hours and flexibility

Workplace

Get the full story on Breakroom

Uline logo

About Uline

Sourced by ZipRecruiter

Uline is North America's leading distributor of shipping, industrial and packaging materials. We're a family-owned company known for incredible service, quality products and same-day shipping of our huge in-stock inventory. With over 9,000 employees across 13 locations, it's time you joined Uline.

Industry

Paper product wholesalers, trucking and wholesale

Company size

5,001 - 10,000 Employees

Headquarters location

Pleasant Prairie, WI, US

Social media

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