Senior Developer (Freelance) in New York at Jobgether

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Developer (Freelance) based in United States.

The Senior Developer will join an established client engagement and help strengthen, maintain, and evolve an existing digital application.
This freelance opportunity is focused on reducing technical debt and improving the overall health, accessibility, and maintainability of a production experience.
You will work within an established team and sprint cadence, taking ownership of assigned technical work from investigation through completion.
The role requires strong troubleshooting abilities and the confidence to identify and resolve issues independently with minimal oversight.
You will collaborate closely with backend engineering, QA, and Production teams to manage dependencies and maintain consistent delivery.
The ideal candidate brings senior-level frontend or full-stack development experience and can quickly become productive within an unfamiliar codebase.
This is a focused short-term engagement offering the opportunity to make a meaningful technical impact within an active digital product environment.

• Work through prioritized technical debt within an established production web application, improving its reliability, quality, and maintainability.
• Independently investigate, troubleshoot, diagnose, and resolve technical issues while escalating or collaborating when additional expertise is required.
• Identify and address web accessibility issues and contribute to improving the overall accessibility and quality of the digital experience.
• Operate effectively within an established Agile or sprint-based development process and take ownership of assigned work from definition through completion.
• Collaborate closely with backend engineers, QA, and Production teams to align priorities, manage dependencies, and support successful delivery.
• Produce clean, well-scoped pull requests with appropriate documentation and respond constructively to code review feedback.
• Proactively identify and communicate technical risks, blockers, dependencies, and other issues that could affect project timelines or delivery.
• Contribute to the ongoing improvement of development practices and the long-term health of the application.

• Senior-level experience as a Frontend or Full Stack Developer building, maintaining, and improving production digital experiences.
• Strong troubleshooting, debugging, analytical, and problem-solving skills, with the ability to make sound technical decisions independently.
• Demonstrated experience working within established codebases and identifying, prioritizing, and resolving technical debt.
• Hands-on experience identifying and resolving web accessibility issues.
• Strong software development practices, including clean pull requests, appropriate technical scoping, clear documentation, and responsiveness to code review.
• Experience working within an established Agile or sprint-based development environment.
• Strong communication and collaboration skills, particularly when working across engineering, QA, and Production teams.
• Ability to quickly understand unfamiliar applications, development processes, and technical environments and begin delivering meaningful work with minimal guidance.
• Ability to manage assigned work independently while recognizing when collaboration or escalation is necessary.
• Strong attention to code quality, maintainability, and the overall user experience.

• Freelance contract running from September 14 through October 30.
• Approximately 20 hours per week of commitment.
• Expected contract compensation of $60–$89 per hour.
• Contract compensation varies based on location, experience, and skillset.
• Regional U.S. pay ranges are adjusted according to cost of living.
• Potential benefits may be available in accordance with applicable law and company policy, depending on hours worked and assignment duration.
• Opportunity to contribute to an established digital application while working alongside experienced engineering, QA, and Production professionals.
• Short-term engagement providing focused technical ownership and meaningful impact on application quality and maintainability.