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Software Engineer Contractor Jobs (NOW HIRING)

Apex Informatics

Software Engineer III

Mountain View, CA · On-site

$67.75 - $91.25/hr

Mountain View , CA, US, 2 days a week hybrid SDG Tuesday/Wed Top Skill Software Engineer Contractor, Python Qualifications: - A minimum of 5 years of professional experience specifically in Python ...

Donan

Forensic Engineer Contractor

Chicago, IL · On-site

We are currently seeking a 1099 Independent Contractor professional Civil or Structural Engineer in ... Must have or obtain a laptop with Microsoft Word and PDF editing software for report completion.

Donan

Forensic Engineer Contractor

Bixby, OK · On-site

We are currently seeking a 1099 Independent Contractor professional Civil or Structural Engineer ... Must have or obtain a laptop with Microsoft Word and PDF editing software for report completion.

Donan

Forensic Engineer Contractor

Pittsburgh, PA · On-site

We are currently seeking a 1099 Independent Contractor professional Civil or Structural Engineer ... Must have or obtain a laptop with Microsoft Word and PDF editing software for report completion.

Donan

Forensic Engineer Contractor

Milwaukee, WI · On-site

We are currently seeking a 1099 Independent Contractor professional Civil or Structural Engineer in ... Must have or obtain a laptop with Microsoft Word and PDF editing software for report completion.

Donan

Forensic Engineer Contractor

We are currently seeking a 1099 Independent Contractor professional Civil or Structural Engineer ... Must have or obtain a laptop with Microsoft Word and PDF editing software for report completion.

Donan

Forensic Engineer Contractor

Atlanta, GA · On-site

We are currently seeking a 1099 Independent Contractor professional Civil or Structural Engineer ... Must have or obtain a laptop with Microsoft Word and PDF editing software for report completion.

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Software Engineer Contractor information

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$63.5K

$147.5K

$205.5K

How much do software engineer contractor jobs pay per year?

As of Sep 14, 2026, the average yearly pay for software engineer contractor in the United States is $147,524.00, according to ZipRecruiter salary data. Most workers in this role earn between $120,000.00 and $173,000.00 per year, depending on experience, location, and employer.

What is a software engineer contractor?

Software Engineer Contractors are professionals hired on a temporary or project basis to design, develop, and maintain software applications. Unlike full-time employees, they typically work for a predetermined period or on specific projects for a company. Contractors may work independently or through contracting agencies and often have flexibility regarding work hours and location. Their expertise is sought after for specialized tasks, scaling development teams, or covering skill gaps within organizations.

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

To thrive as a Software Engineer Contractor, you need advanced programming skills, problem-solving abilities, and a solid understanding of software development lifecycles, often backed by a relevant degree or equivalent experience. Familiarity with source control systems (like Git), cloud platforms, and project management tools, as well as proficiency in key programming languages, is typically required. Strong communication, adaptability, and self-motivation are essential soft skills for collaborating with diverse teams and managing project-based workloads. These skills ensure high-quality deliverables, effective client communication, and successful navigation of varied contract environments.

How does the work structure and team integration typically differ for software engineer contractors compared to full-time employees?

As a Software Engineer Contractor, you will often work on specific projects or deliverables within a defined contract period, which may mean less involvement in long-term planning or company-wide initiatives. Contractors are usually integrated into existing development teams, collaborating closely with full-time engineers, project managers, and QA staff, but may have less access to certain internal resources or benefits. While you can expect to contribute to daily stand-ups, code reviews, and agile sprints, the onboarding process and access to proprietary tools or systems may be streamlined for contractors. This role offers valuable exposure to diverse tech stacks and industries, and successful contracts can lead to extended engagements or full-time offers.

What is the difference between Software Engineer Contractor vs Software Engineer Full-Time Employee?

AspectSoftware Engineer ContractorSoftware Engineer Full-Time Employee
CredentialsTypically requires a relevant degree and technical skills; certifications optionalSame as contractor; often prefers ongoing professional development
Work EnvironmentProject-based, flexible hours, often remote or on-siteSteady, long-term employment, usually on-site or hybrid
Employer & Industry UsageCommon in tech, startups, consulting firmsStandard in large corporations, tech companies, and enterprises
Search & Comparison IntentLooking for short-term or project-based rolesSeeking stable, long-term employment

In summary, Software Engineer Contractors typically work on short-term projects with flexible schedules, while full-time employees enjoy ongoing employment and benefits. Both roles require similar skills and credentials but differ mainly in work arrangement and job stability.

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What are the most commonly searched types of Software Engineer Contractor jobs?

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Software Engineer Contractor jobs near you
Infographic showing various Software Engineer Contractor job openings in the United States as of September 2026, with employment types broken down into 1% Internship, 1% As Needed, 86% Full Time, 9% Part Time, and 3% Contract. Highlights an 85% Physical, 3% Hybrid, and 12% Remote job distribution, with an average salary of $147,524 per year, or $70.9 per hour.

Software Engineer (Contractor)

Millbrae, CA • On-site

Eikon Therapeutics
Biotechnology Research and Development • 51 - 200 employees
Learn more about Eikon Therapeuticsexternal

$56 - $68/hr

Part-time, Contractor

Posted 4 days ago

Job description

Position

The SW Engineer I contractor will support research and development initiatives focused on interpretability techniques for machine learning systems used to improve internal scientific and analytical tools. In this role, you will gain exposure to applied machine learning workflows, including model development, evaluation, interpretability research, and data pipeline optimization. This role will be responsible for building out standardized, general-purpose interpretability tooling that contributes to research-driven software solutions supporting scientific discovery.

This is a contract role, expected to last approximately 3 months, with an anticipated workload of 20 hours per week. 

About You

You are passionate about machine learning, computer vision, and solving complex data-driven challenges. You enjoy designing experiments, analyzing results, and building models that generate meaningful insights. You are analytical, curious, and comfortable working with image data, machine learning frameworks, and real-world datasets. You enjoy collaborating with engineers and scientists and are motivated to translate research ideas into practical tools and prototype solutions.

What You'll Do

  • Lead or substantially contribute to a research-focused project related to model interpretability and machine learning.
  • Develop and evaluate machine learning approaches to improve model performance, robustness, and usability of internal tools.
  • Support development and testing of model interpretability techniques to better understand and evaluate machine learning systems.
  • Design and execute targeted experiments to evaluate model performance, training strategies, and data pipeline improvements.
  • Prepare, clean, and analyze image-based and structured datasets to support machine learning model development.
  • Evaluate model outputs using quantitative performance metrics and visualization techniques.
  • Collaborate with cross-functional teams to translate research concepts into prototype solutions and internal tools.
  • Document technical approaches, experimental results, and research findings.
  • Present project outcomes and key learnings.

Qualifications

  • Bachelor's or graduate-level degree (completed or in progress) in Computer Science, Machine Learning, Artificial Intelligence, Data Science, Electrical Engineering, or a related quantitative discipline.
  • Coursework or hands-on experience in machine learning, statistics, and computer vision.
  • Proficiency in Python and familiarity with machine learning frameworks such as PyTorch or TensorFlow.
  • Experience with data analysis, experimental design, and machine learning model evaluation.
  • Strong analytical and problem-solving skills with the ability to interpret and communicate technical findings.
  • Ability to work collaboratively in a team environment while managing independent research or development tasks.
  • Must be available to work part-time (20 hours per week) during core business hours for the duration of the 3-month contract term.
  • Exposure to model interpretability, explainability, or visualization techniques is preferred.

The expected hourly rate for this role is $56 to $68 depending on skills, competency, and the market demand for your expertise.

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