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Freelance Integration Software Engineer Jobs in Portland, OR

The Greenbrier Companies

Sr. Integration Engineer

OR · On-site

$107K - $144K/yr

Collaborate with Business Stakeholders, Solution Architects, Software Engineers, and Infrastructure Teams to define integration requirements. * Troubleshoot and resolve complex Integration and ...

KLA

Software Engineer 3

Hillsboro, OR · On-site

$62.50 - $84.25/hr

... complex integrated systems. Responsibilities : • Design, develop, and maintain software ... Strong programming expertise in C++ and/or C# • Experience with multithreading and ...

Analogdevices

Integration Engineer

Beaverton, OR · On-site

$75K - $103K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

ADI combines analog, digital, AI, and software technologies into solutions that combat climate ... The Process Integration Team is seeking an Integration Engineer to join a collaborative and highly ...

Analog Devices, Inc.

Integration Engineer

Beaverton, OR · On-site

$75K - $103K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

ADI combines analog, digital, AI, and software technologies into solutions that combat climate ... The Process Integration Team is seeking an Integration Engineer to join a collaborative and highly ...

Analog Devices

Integration Engineer

Beaverton, OR · On-site

$75K - $103K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

ADI combines analog, digital, AI, and software technologies into solutions that combat climate ... The Process Integration Team is seeking an Integration Engineer to join a collaborative and highly ...

KLA Corporation

Software Engineer 3

Hillsboro, OR · On-site

$115K - $197K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

KLA invents systems and solutions for the manufacturing of wafers and reticles, integrated circuits ... software engineers, application development engineers, and senior product technology process ...

Orbotech

Software Engineer 3

Hillsboro, OR · On-site

$115K - $197K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

KLA invents systems and solutions for the manufacturing of wafers and reticles, integrated circuits ... software engineers, application development engineers, and senior product technology process ...

KLA Corporation

Software Engineer 3

Hillsboro, OR · On-site

$115K - $197K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

KLA invents systems and solutions for the manufacturing of wafers and reticles, integrated circuits ... software engineers, application development engineers, and senior product technology process ...

KLA

Software Engineer 3

Hillsboro, OR · On-site

$115K - $197K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

KLA invents systems and solutions for the manufacturing of wafers and reticles, integrated circuits ... software engineers, application development engineers, and senior product technology process ...

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All JobsIntegration Software Engineer JobsFreelance Integration Software Engineer JobsFreelance Integration Software Engineer Jobs in Portland, OR

Freelance Integration Software Engineer information

See Portland, OR salary details

$47.2K

$131.8K

$184K

How much do freelance integration software engineer jobs pay per year?

As of Aug 19, 2026, the average yearly pay for freelance integration software engineer in Portland, OR is $131,794.00, according to ZipRecruiter salary data. Most workers in this role earn between $110,300.00 and $148,500.00 per year, depending on experience, location, and employer.

What is a freelance integration software engineer?

A Freelance Integration Software Engineer is an independent professional who specializes in connecting and combining different software systems so they can work together seamlessly. They are typically hired on a project basis to develop, implement, and maintain integrations between applications, databases, APIs, and other digital services. These engineers ensure data flows smoothly across platforms, streamline business processes, and resolve compatibility issues. Freelancers in this role often work remotely and serve multiple clients across industries.

What are the key skills and qualifications needed to thrive as a freelance integration software engineer?

To thrive as a Freelance Integration Software Engineer, you need strong programming skills (often in languages like Java, Python, or JavaScript), experience with APIs, and a solid understanding of system integration concepts, typically backed by a degree in computer science or related field. Familiarity with integration platforms (such as MuleSoft, Dell Boomi, or Zapier), cloud services, and relevant certifications (like MuleSoft Certified Developer or AWS Certified Solutions Architect) is highly valuable. Excellent problem-solving, communication, and time-management skills help you collaborate with clients and efficiently deliver solutions in a freelance environment. These capabilities are essential to ensure seamless connectivity between systems, deliver high-quality client solutions, and manage projects independently.

What are some common challenges a freelance integration software engineer might face when working with multiple clients?

Freelance Integration Software Engineers often encounter challenges such as managing different client expectations, working with diverse technology stacks, and aligning integration standards across various systems. Since each client may use unique tools and workflows, adaptability and strong communication skills are essential to ensure seamless integration. Additionally, coordinating with remote development teams and adhering to project timelines can be demanding, but these experiences also help build a versatile skill set and professional reputation.

What is the difference between Freelance Integration Software Engineer vs Freelance Software Developer?

AspectFreelance Integration Software EngineerFreelance Software Developer
Primary FocusDesigning and implementing system integrations and APIsDeveloping standalone applications or features
Required SkillsAPI development, system architecture, integration toolsProgramming languages, application development, UI/UX
Work EnvironmentClient sites, remote, collaborative with IT teamsRemote, independent, project-based
Common CertificationsAPI certifications, cloud platform credentialsProgramming language certifications, software development courses

Freelance Integration Software Engineers focus on connecting different systems and APIs, often working closely with IT teams. Freelance Software Developers create standalone applications or features. While both roles require programming skills, integration engineers emphasize system interoperability, whereas developers focus on application creation.

What are popular job titles related to Freelance Integration Software Engineer jobs in Portland, OR?

For Freelance Integration Software Engineer jobs in Portland, OR, the most frequently searched job titles are:

What job categories do people searching Freelance Integration Software Engineer jobs in Portland, OR look for?

The top searched job categories for Freelance Integration Software Engineer jobs in Portland, OR are:

What cities near Portland, OR are hiring for Freelance Integration Software Engineer jobs?

Cities near Portland, OR with the most Freelance Integration Software Engineer job openings:

Freelance Integration Software Engineer jobs near you

Software Engineer

Noblesoft Technologies

Hillsboro, OR • On-site

Contractor

Re-posted 15 days ago

Job description

Position- Software Engineer- C#, Motion Control, Metrology

Type          : Day 1 onsite (5 days a week)

Location  : Hillsboro, Oregon (Preferred) or Milpitas, California ,USA

Job description:

About the Role:

Require an experienced Senior Software Engineer (C#) to support a Metrology Equipment Software Project. This project involves developing and enhancing advanced software solutions for motion control, stage calibration, and automation within semiconductor metrology systems. The ideal candidate will have a strong background in C# development, motion control systems, and hardware-software integration within a semiconductor or high-precision equipment environment.

Key Responsibilities:

  • Design, develop, and maintain C# applications for stage and motion control systems used in semiconductor metrology equipment.
  • Implement and optimize stage calibration, axis mapping, tip-tilt correction, and motion algorithms to achieve precision system performance.
  • Integrate software with motion controllers, cameras, encoders, and robotic subsystems.
  • Troubleshoot and resolve issues related to hardware communication, real-time control, and system synchronization.
  • Collaborate with cross-functional teams including hardware, mechanical, and systems engineers to ensure seamless equipment functionality.
  • Participate in data collection, system testing, and calibration activities for metrology hardware.
  • Document software design, test procedures, and integration workflows according to engineering best practices.