ZipRecruiter

Log In

1

Freelance International Javascript Developer Jobs

Mindrift

Freelance Data Scraping Engineer (Python)

$37/hr

About the Role This is a freelance role for a Tendem project. As a Python Data Scraping Engineer ... JavaScript-rendered content and changing site behavior. * Enforce data quality standards through ...

Wegacha

We are looking for an experienced Shopify Developer who can translate designs into a fully ... You have strong skills with HTML, CSS, and Javascript * You know Adobe Photoshop and Illustrator to ...

Anagh Technologies, Inc.

Lead React Developer

Louisville, CO · On-site

$60.75 - $77.75/hr

... freelance / hobby experience) • Solid understanding of fundamental programming concepts • Solid understanding of fundamental JavaScript concepts • Solid understanding of testing concepts and ...

ATR International

Web Developer

Sterling, VA · On-site

... International has been providing our clients with IT consultants and enterprise wide staffing ... Must have experience with web development technologies such as PHP, MySQL, Javascript, jQuery, Dojo ...

ATR International

Web Developer

Sterling, VA · On-site

... International has been providing our clients with IT consultants and enterprise wide staffing ... Must have experience with web development technologies such as PHP, MySQL, Javascript, jQuery, Dojo ...

Ask IT consulting

Drupal Developer

Atlanta, GA · On-site +1

Georgia Tech Professional Education is looking to utilize freelance developers to assist our in ... CSS/SaSS, JavaScript/JQuery, etc. Problem-solving, troubleshooting, and bug fixing using web ...

next page

Showing results 1-20

All JobsInternational Javascript Developer JobsFreelance International Javascript Developer Jobs

Freelance International Javascript Developer information

See salary details

$29.5K

$106.6K

$169K

How much do freelance international javascript developer jobs pay per year?

As of Jul 12, 2026, the average yearly pay for freelance international javascript developer in the United States is $106,583.00, according to ZipRecruiter salary data. Most workers in this role earn between $66,000.00 and $128,000.00 per year, depending on experience, location, and employer.

Can I get a job only knowing JavaScript?

A Freelance International JavaScript Developer can find work primarily by demonstrating strong JavaScript skills, but knowledge of related technologies like HTML, CSS, and frameworks such as React or Node.js enhances employability. Clients often look for a combination of technical expertise, portfolio, and communication skills, so additional skills can improve job prospects. Certification or experience with version control and deployment tools can also be beneficial.

Can you make 10k a month freelancing?

A freelance international JavaScript developer can potentially earn $10,000 or more per month by securing high-paying clients, specializing in in-demand skills, and maintaining a strong portfolio. Earnings depend on experience, project complexity, and the number of clients, with top freelancers often working on multiple projects simultaneously. Building a reputation and continuously updating skills with modern frameworks can help increase earning potential.

How to find freelance developer jobs?

Freelance international JavaScript developers can find jobs through online platforms such as Upwork, Freelancer, and Toptal, which connect clients with remote developers. Building a strong portfolio, showcasing relevant skills, and obtaining certifications can improve visibility and credibility. Networking and participating in developer communities also help in discovering opportunities.

Is JavaScript in demand?

JavaScript remains a highly in-demand skill for freelance international developers, as it is widely used for web development, both on the client and server sides. Proficiency in JavaScript, along with frameworks like React or Node.js, increases job opportunities in the global market for freelance developers.
More about Freelance International Javascript Developer jobs
What cities are hiring for Freelance International Javascript Developer jobs? Cities with the most Freelance International Javascript Developer job openings:
What are the most commonly searched types of International Javascript Developer jobs? The most popular types of International Javascript Developer jobs are:
What states have the most Freelance International Javascript Developer jobs? States with the most job openings for Freelance International Javascript Developer jobs include:
What job categories do people searching Freelance International Javascript Developer jobs look for? The top searched job categories for Freelance International Javascript Developer jobs are:
Freelance International Javascript Developer jobs near you
Developer II (International Health)

Developer II (International Health)

Johns Hopkins University

Baltimore, MD • On-site

Full-time

Re-posted 3 days ago

Johns Hopkins Medicine rating

7.5

Company rating: 7.5 out of 10

Based on 205 frontline employees who took The Breakroom Quiz

232nd of 881 rated healthcare providers

Job description

The Department of International Health, at the Johns-Hopkins Bloomberg School of Public Health is seeking a Developer ll.
The Developer II participates in the creation, implementation, maintenance, performance, production support and documentation of various departmental and enterprise-wide application systems. This includes but is not limited to the installation, modification, and testing of new and/or upgraded applications (packages or homegrown), operating systems, file structures, hardware, communication devices, and productivity tools. Applies analysis techniques and procedures to gather and then translate business requirements into functional/technical specifications and designs. Using functional specifications and designs, produces all or part of the deliverables. Maintains databases and application system code.
Specific Duties & Responsibilities
Analysis & Requirements Gathering
  • Under guidance define business/clinical/education problems by meeting with clients to observe and understand current processes and the issues related to those processes. Provide written documentation of findings to share with the client and other IT colleagues.
  • Gather system requirements by meeting with clients and researching existing technology to understand the business requirements for new applications.

Design & Development
  • Develop detailed tasks by analyzing project scope and milestones for projects to ensure product is delivered quickly according to software lifecycle standards.
  • Write functional/technical specifications by taking the provided system requirements, putting them into functional and technical descriptions for use by programmers and business analysts to develop technical solutions.
  • Develop/change data input, files/database structures, data transformation, algorithms, and data output by using appropriate computer language/tools to provide technical solution for application development tasks. (Verify if this statement means programming)
  • Document code and associated processes by adhering to development methodologies, adding code comments and appropriate documentation to various knowledge-based system(s) to simplify code maintenance and to improve the support.

Testing & Documentation
  • Create and document test scenarios using the appropriate testing tools to validate and verify application functionality.
  • Test all changes by using the appropriate test scenarios to ensure all delivered solutions work as expected and errors are handled in a meaningful way.
  • Author and maintain documentation by writing audience-appropriate materials to serve as technical and/or end-user references.

Implementation & Maintenance
  • Implement changes by adhering to the change management policies and procedures for any given project to communicate to all parties the nature, significance, and risk factors of the solution.
  • Monitor changes and resolve problems by responding to problems as they occur, by reviewing all processing and output of the newly implemented solution, and by proactively ensuring the solution works successfully to satisfy the customer requirements and to provide a smooth transition to the new solution.
  • Provide support by triaging and resolving issues to ensure prompt, effective service.
  • Other duties as assigned.

In addition to the duties described above
  • Training: Train various team members including field supervisors and data-collectors. This includes preparation and refinement of training materials.
  • Capacity Building: Provide technical oversight and direction for programming in partner organizations. Technical sustainability is a high priority for long-term projects.
  • Innovation: Provide novel solutions to improve data systems, data quality and timeliness. Work with the team and other staff and partners to identify new approaches for collecting data and monitoring implementation. This includes evaluating and testing candidate applications and systems.
  • Technical: Fluency in relational database architecture and full-stack development.
  • Travel: Position requires international travel (10-20% time) to research sites in Africa and Asia.

Minimum Qualifications
  • Bachelor's Degree.
  • One year of related experience with computer systems and applications.
  • Additional education may substitute for required experience and additional related experience may substitute for required education beyond a high school diploma/graduation equivalent, to the extent permitted by the JHU equivalency formula.

Preferred Qualifications
  • Python programming frameworks [Django, DjangoORM, Django Ninja API, FastAPI ]
  • SQL: PostGresQL, MySQL, MS SQL
  • API development
  • Front-end technologies, such as React, JavaScript, HTML, and CSS
  • Cloud Integration - DigitalOcean, AWS, Azure
  • Experience with offline data collection systems--Open Data Kit (ODK) or similar
  • Experience working with data systems in low and middle-income countries
  • Experience working with scientific research data
  • Statistical programming experience, R, Stata, or other statistical software packages.

Technical Skills & Expected Skills Proficiency Level
  • Agile Methodology Developing
  • Code Review Developing
  • Debugging Developing
  • JIRA Developing
  • Microservices Developing
  • Model View Controller Developing
  • Product Life Cycle Management Developing
  • Restful API Developing
  • Secure Coding Developing
  • Software Design Patterns Developing
  • Software Development Life Cycle Developing
  • Unit Testing Developing

The core technical skills listed are most essential; additional technical skills may be required based on specific division or department needs.
Classified Title: Developer II
Role/Level/Range: ATP/03/PC
Starting Salary Range: $53,800 - $94,400 Annually (Commensurate w/exp.)
Employee group: Full Time
Schedule: Monday to Friday: 8:30am - 5:00pm
FLSA Status: Exempt
Location: Hybrid/School of Public Health
Department name: Institute for International Prgms IIP
Personnel area: School of Public Health

What Johns Hopkins Medicine employees say

Pay

Benefits

Hours and flexibility

Workplace

Get the full story on Breakroom

Apply