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Freelance Backend Web Developer Jobs (NOW HIRING)

Nanobiosym

Software Engineer: Web Developer

Cambridge, MA · On-site

$110K/yr

... Web developer We are seeking a front-end web developer to build new web pages and improve our ... Integrate data from various back-end web services and databases * Work with stakeholders to gather ...

ValidaTek

Senior Web Developer

Tacoma, WA · On-site

Lead backend development efforts using server-side programming languages and frameworks such as ASP ... Develop, implement, and manage web applications using the Sitecore content management system ...

ValidaTek, Inc.

Senior Web Developer

Tacoma, WA · On-site

$100K - $159K/hr

Lead backend development efforts using server-side programming languages and frameworks such as ASP ... Develop, implement, and manage web applications using the Sitecore content management system ...

NuAxis Innovations

Web Developer II

Albuquerque, NM · On-site

The Web Developer II is responsible for front-end and back-end development, maintenance, and enhancement of secure, accessible, and user-centered web applications. This role supports Internet ...

Vets Hired

Full Stack Web Developer

Colorado Springs, CO · On-site

Job Summary The Full Stack Web Developer is responsible for designing, developing, and maintaining ... The role develops frontend and backend SaaS solutions, collaborates with stakeholders, participates ...

Smartz

Backend Web and App Developer

Champaign, IL · On-site

Backend Web and App Developer At Smartz Inc, we rely on our dynamic team of engineers to solve the many challenges and puzzles that come with our rapidly evolving technical stack. We're seeking a ...

Smartz

Backend Web and App Developer

Champaign, IL · On-site

Backend Web and App Developer At Smartz Inc, we rely on our dynamic team of engineers to solve the many challenges and puzzles that come with our rapidly evolving technical stack. We're seeking a ...

Chicago Tech Viewer

Web Developer

Chicago, IL · On-site

$80 - $100/hr

Web Developer Location : Remote / Chicago, IL Job Type : Full-time About Us At Chicago Tech Viewer ... You will also optimize websites for maximum performance and assist with back-end development as ...

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Freelance Backend Web Developer information

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How much do freelance backend web developer jobs pay per year?

As of Sep 9, 2026, the average yearly pay for freelance backend web developer in the United States is $100,678.00, according to ZipRecruiter salary data. Most workers in this role earn between $80,000.00 and $116,000.00 per year, depending on experience, location, and employer.

What is a freelance backend web developer?

A Freelance Backend Web Developer is a self-employed professional who specializes in building and maintaining the server-side logic, databases, and APIs that power web applications. Unlike front-end developers who focus on the visual and interactive aspects of a website, backend developers work behind the scenes to ensure websites and applications function correctly and efficiently. Freelance backend developers typically work on a project basis for various clients, managing their own schedules and business operations. They often use programming languages like Python, Java, Ruby, PHP, or Node.js, and are responsible for tasks such as database management, server configuration, and integrating third-party services.

What are the key skills and qualifications needed to thrive as a freelance backend web developer?

To thrive as a Freelance Backend Web Developer, you need strong proficiency in server-side programming languages (such as Python, Node.js, or PHP), database management, and a solid understanding of web architecture, often supported by a relevant degree or proven project experience. Familiarity with frameworks (like Django, Express, or Laravel), version control systems (such as Git), and cloud platforms (AWS, Azure) is typically required. Excellent problem-solving, time management, and client communication skills set successful freelancers apart in this competitive field. These skills ensure you can deliver robust, scalable solutions, meet client expectations, and efficiently manage independent projects.

What are some common challenges freelance backend web developers face when working with multiple clients simultaneously?

Freelance backend web developers often juggle projects for several clients at once, which can present challenges in managing deadlines, aligning with different technical stacks, and maintaining clear communication. Each client may use unique frameworks or have distinct workflow expectations, requiring adaptability and strong organizational skills. Effective time management and clear documentation help ensure smooth collaboration and prevent misunderstandings throughout the development process.

Can a freelance backend web developer work as a freelancer?

A freelance backend web developer works independently and can choose to take on projects from clients directly, making freelancing their primary mode of employment. They typically need skills in server-side programming, databases, and relevant tools, and may set their own schedules and rates. Freelancers often find work through online platforms, networking, or personal marketing efforts.

How much does a freelance backend web developer make?

Freelance backend web developers typically earn between $30 and $150 per hour, depending on experience, skills, and project complexity. Annual income varies widely, often ranging from $50,000 to over $150,000 for experienced professionals working on high-value projects or with specialized expertise in languages like Python, Java, or Node.js.

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Freelance Backend Web Developer jobs near you

Software Engineer: Web Developer

Cambridge, MA • On-site

Nanobiosym
Nanotechnology Research and Development • 11 - 50 employees
Learn more about Nanobiosymexternal

$110K/yr

Full-time

Re-posted 12 days ago

Job description

Nanobiosym is an innovative, high-tech company that is developing novel technologies at the nexus of physics, nanotechnology, and biomedicine. Founded by MIT/Harvard alum and located in Cambridge, Massachusetts, Nanobiosym was awarded the first X-Prize to be given for healthcare.
Web developer
Job Description
We are seeking a front-end web developer to build new web pages and improve our company website. The right person for this role will be proficient in HTML, CSS, JavaScript. You will be responsible for building and deploying front-end features to our website, and various web applications and performing routine maintenance of our site.
Responsibilities:
  • Write well-designed, testable, efficient code by using web development best practices
  • Create basic website layouts and user interfaces with HTML, CSS, JavaScript
  • Integrate data from various back-end web services and databases
  • Work with stakeholders to gather and refine specifications and requirements based on technical needs
  • Collaborate with designers to realize visual design intent
  • Create and maintain software documentation
  • Ensure cross-browser compatibility of new features
  • Be responsible for maintaining, expanding, and scaling our site
  • Familiar with emerging technologies and industry trends and apply them to operations and activities
  • Designing and developing an ADA compliant UI
  • Adhere to security protocols for web sites and web apps

Requirements:
  • Bachelor's degree in computer science, web development, software development, or related field
  • Web development fundamentals, including HTML, CSS, and JavaScript
  • Front-end JavaScript frameworks such as Vue, React, and Angular
  • Content management systems (CMSs) such as WordPress and Joomla
  • UI/UX design experience
  • Working knowledge of graphic design
  • REST API development
  • Agile and test-driven development best practices

Nice to have:
  • Experience with CI/CD pipelines and deploying web apps to web servers
  • Comfortable with version control tools, ideally git + GitHub/GitLab
  • Comfortable with continuous integration tools (like Jenkins or GitLab)

Apply