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Javascript Developer Contract Jobs in Portland, OR

Varsity Tutors

JavaScript Tutor

Portland, OR · Remote

$40/hr

Deep knowledge of JavaScript syntax, DOM manipulation, event handling, asynchronous programming ... Varsity Tutors does not contract in: Alaska, California, Colorado, Delaware, Hawaii, Maine, New ...

Right Skale, Inc.

Software Developer

Beaverton, OR · On-site

Software Developer (React JS / JavaScript) - Contract - Hybrid (Beaverton, OR) We are seeking a skilled React JS and JavaScript & TypeScript Developer to join our development team. You will be ...

Procom Consultants Group

.Net Developer

Hillsboro, OR

$52.50 - $69.50/hr

... Contract Staffing (Staff Augmentation) Permanent Placement (Staff Augmentation) ICAP (Contractor ... and JavaScript. Unit testing experience is recommended. .NET Developer Start Date ASAP .NET ...

AditiStaffing

Java Developer

Beaverton, OR · On-site

$53 - $68.75/hr

Beaverton, OR Type: 12+ months Contract Senior Software Engineer As a member of the Cloud Platform ... Bootstrap and JavaScript. Experience building and deploying solutions on public cloud ...

Procom Consultants Group

Sharepoint Developer

Hillsboro, OR

$53.25 - $69.75/hr

... Contract Staffing (Staff Augmentation) Permanent Placement (Staff Augmentation) ICAP (Contractor ... CSS/HTML/JavaScript Good customer facing skills SharePoint 2013 and complex workflows expert ...

Procom Services

Software Developer

Hillsboro, OR

... Contract Staffing (Staff Augmentation) Permanent Placement (Staff Augmentation) ICAP (Contractor ... Basic JavaScript and HTML Experience * Experience working with a multi-service, multi-module, cross ...

Procom Services

Web Developer

Hillsboro, OR

... Contract Staffing (Staff Augmentation) Permanent Placement (Staff Augmentation) ICAP (Contractor ... Experience in Angular JS, JavaScript, UIKit, or Google Web Toolkit * Knowledge and development ...

Accolite Inc.

DevOps (Remote Position)

Portland, OR · Remote

$56 - $76.50/hr

Portland, OR Long Term Contract Note: Can be done remotely with some client site travel BASIC ... HTML, JavaScript, CSS, and AJAX). Additional Information All your information will be kept ...

Accolite Inc.

DevOps (Remote Position)

Portland, OR · On-site +1

$56 - $76.50/hr

Portland, OR Long Term Contract Note: Can be done remotely with some client site travel BASIC ... HTML, JavaScript, CSS, and AJAX). Qualifications Additional Information All your information will ...

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See Portland, OR salary details

$31.3K

$113K

$179.2K

How much do javascript developer contract jobs pay per year?

As of May 29, 2026, the average yearly pay for javascript developer contract in Portland, OR is $113,032.00, according to ZipRecruiter salary data. Most workers in this role earn between $70,000.00 and $135,700.00 per year, depending on experience, location, and employer.

What is a Javascript Developer Contract job?

A JavaScript Developer Contract job is a temporary or project-based role where a developer is hired to build or maintain JavaScript applications. Contract developers typically work for a fixed period, often for a company or as freelancers, on web development, front-end, or full-stack projects. These roles offer flexibility and can be remote or on-site, depending on the employer's needs. Contractors are usually paid hourly or per project rather than receiving a full-time salary and benefits.

What are the key skills and qualifications needed to thrive in the Javascript Developer Contract position, and why are they important?

To thrive as a Javascript Developer Contractor, you need strong proficiency in JavaScript, HTML, and CSS, along with a solid understanding of frameworks such as React, Angular, or Vue.js, and a track record of delivering software projects. Experience with version control systems like Git, cloud platforms, and using build tools or package managers is often required, while relevant certifications in web development are a plus. Excellent problem-solving skills, adaptability, and effective communication with clients and team members help you excel in a contract setting. These skills ensure you can deliver quality code on time while collaborating efficiently in diverse or rapidly changing project environments.

What are the typical daily responsibilities of a Javascript Developer on a contract basis?

A Javascript Developer working on contract typically spends their days writing and testing code, implementing new features, fixing bugs, and collaborating with designers and back-end developers to ensure seamless integration of web applications. They may also be responsible for attending virtual stand-up meetings, updating project stakeholders, and managing tasks through project management tools like Jira or Trello. Since contract roles are often project-based, the ability to quickly understand requirements and start contributing is crucial. Flexibility and clear communication help contractors align with the client’s expectations and deliver results within tight deadlines.
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Javascript Developer Contract jobs near you
AI Agent Developer (Contract, Remote)

AI Agent Developer (Contract, Remote)

Outlier AI

Portland, OR • Remote

Full-time

This job post has expired today. Applications are no longer accepted.

Job description

About the Project

Outlier helps the world’s most innovative companies improve their AI agents by providing human feedback. Do you want to shape the future of autonomous agents like OpenClaw?

We collaborate with leading AI organizations to train Large Language Models (LLMs) to function as proactive, multi-step agents. Our projects focus on teaching these systems how to design, coordinate, and optimize complex, real-world architectural workflows.

Whether you are a passionate orchestration guru or experienced software developer — we want you to help us train the world's most advanced generative systems.

Ideal Qualifications

  • 2+ years of experience in backend engineering, AI automation, or complex systems integration.
  • Proven ability to build and maintain production-grade software with modular separation (e.g., distinct services for data parsing, logic processing, and reporting).
  • Strong command of at least two major languages (e.g., Python, JavaScript, Go, or Java) and experience working with SQL databases.
  • Practical experience building for live, non-mocked environments and handling multi-turn system interactions.
  • Outstanding attention to detail and the ability to provide clear, high-density technical feedback on complex system behaviors.

Nice to have

  • Expertise building multi-stage coordination tasks where data acquisition leads to reasoned output.
  • Hands-on experience integrating agents with live tools such as Supabase, Gmail, and various APIs to solve real-world problems.
  • High level of comfort implementing persistent state and session discovery using MEMORY.md to track agent progress.
  • Experience identifying subtle failures like privacy leaks, authority escalation, or indirect prompt injections.

Apply