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Software Developer Contractor Jobs in Seattle, WA

Zeno Power

Electrical Engineer (Contractor)

Seattle, WA · On-site

$65 - $75/hr

Company Overview Zeno Power is the leading developer of nuclear batteries - compact power systems ... Experience with PLC hardware and software environments is preferred. * Experience in the aerospace ...

Zeno Power

Electrical Engineer (Contractor)

Seattle, WA · On-site

$65 - $75/hr

Company Overview Zeno Power is the leading developer of nuclear batteries compact power systems ... Experience with PLC hardware and software environments is preferred. * Experience in the aerospace ...

Truveta

Software Engineer - Person Matching

Seattle, WA · On-site

$110K - $145K/yr

Software Engineer - Person Matching Truveta is the world's first health provider led data platform ... We believe that having employees, interns, and contractors with diverse backgrounds enables Truveta ...

Truveta

Software Engineer - Person Matching

Seattle, WA · On-site +1

$110K - $145K/yr

Software Engineer - Person Matching Truveta is the world's first health provider led data platform ... We believe that having employees, interns, and contractors with diverse backgrounds enables Truveta ...

Truveta

Software Engineer - Data Fulfillment

Seattle, WA · On-site +1

$110K - $145K/yr

Software Engineer - Data Fulfillment Truveta is the world's first health provider led data platform ... We believe that having employees, interns, and contractors with diverse backgrounds enables Truveta ...

Truveta

Software Engineer - Data Fulfillment

Seattle, WA · On-site

$110K - $145K/yr

Software Engineer - Data Fulfillment Truveta is the world's first health provider led data platform ... We believe that having employees, interns, and contractors with diverse backgrounds enables Truveta ...

JP Morgan Chase

Sr Lead Software Engineer

Seattle, WA · On-site

As a Senior Lead Software Engineer at JPMorganChase within the CDAO's AI/ML Data Platform's team ... contractors, and vendors * Develops secure and high-quality production code, and reviews and debugs ...

Truveta

Software Engineering Intern

Seattle, WA · Hybrid

$20/hr

Software Engineering Intern Truveta is the world's first health provider led data platform with a ... We believe that having employees, interns, and contractors with diverse backgrounds enables Truveta ...

Truveta

Software Engineering Intern

Seattle, WA · On-site

$20/hr

Software Engineering Intern Truveta is the world's first health provider led data platform with a ... We believe that having employees, interns, and contractors with diverse backgrounds enables Truveta ...

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Showing results 1-20

All JobsSoftware Developer Contractor JobsSoftware Developer Contractor Jobs in Seattle, WA

Software Developer Contractor information

See Seattle, WA salary details

$54.6K

$127.3K

$188.9K

How much do software developer contractor jobs pay per year?

As of Jun 18, 2026, the average yearly pay for software developer contractor in Seattle, WA is $127,281.00, according to ZipRecruiter salary data. Most workers in this role earn between $102,400.00 and $147,900.00 per year, depending on experience, location, and employer.

What are Software Developer Contractors?

Software Developer Contractors are professionals hired on a temporary or project basis to design, develop, and maintain software applications for clients or companies. Unlike full-time employees, contractors typically work under a contract for a specific period or for the duration of a project. They may work independently, through agencies, or as part of a consulting firm, and often have specialized skills to meet specific project needs. This arrangement offers flexibility for both the developer and the employer, allowing organizations to scale their technical resources as needed.

What is the difference between Software Developer Contractor vs Software Developer Employee?

AspectSoftware Developer ContractorSoftware Developer Employee
CredentialsTypically requires a relevant degree and technical skills; certifications optionalSame as contractor, often with additional company-specific training
Work EnvironmentContract-based, often remote or on-site for short-term projectsFull-time, usually on-site or hybrid
Employer & Industry UsageCommon in tech firms, startups, consulting agenciesStandard in large corporations, tech companies, and organizations

Software Developer Contractors work on short-term projects, often remotely, with flexible arrangements, while Software Developer Employees are full-time staff with ongoing responsibilities and benefits. Both roles require similar skills and credentials but differ mainly in employment status and work setup.

What are the key skills and qualifications needed to thrive as a Software Developer Contractor, and why are they important?

To excel as a Software Developer Contractor, you need strong programming abilities, problem-solving skills, and a solid understanding of software development methodologies, often backed by a relevant degree or equivalent experience. Familiarity with version control systems (like Git), cloud platforms, and proficiency in languages such as Python, Java, or JavaScript are commonly required, along with certifications like AWS Certified Developer or Microsoft Certified: Azure Developer. Excellent communication, time management, and adaptability set top contractors apart, enabling them to quickly integrate with diverse teams and projects. These skills are essential for delivering high-quality, timely solutions in dynamic and varied client environments.

What are some common challenges software developer contractors face when integrating with existing teams?

Software developer contractors often join projects mid-stream and must quickly adapt to unfamiliar codebases, workflows, and team dynamics. A common challenge is building rapport with full-time staff and understanding company-specific coding standards or tools. Contractors are expected to be proactive in communicating, asking questions, and clarifying requirements to ensure smooth collaboration. Being flexible and open to feedback helps contractors deliver quality work while navigating these initial hurdles.
What cities near Seattle, WA are hiring for Software Developer Contractor jobs? Cities near Seattle, WA with the most Software Developer Contractor job openings:
Software Developer Contractor jobs near you
Infographic showing various Software Developer Contractor job openings in Seattle, WA as of June 2026, with employment types broken down into 65% Full Time, 28% Part Time, and 7% Contract. Highlights an 89% Physical, 4% Hybrid, and 7% Remote job distribution, with an average salary of $127,281 per year, or $61.2 per hour.
Electrical Engineer (Contractor)

Electrical Engineer (Contractor)

Zeno Power

Seattle, WA • On-site

$65 - $75/hr

Contractor

Posted 5 days ago

Job description

Company Overview
Zeno Power is the leading developer of nuclear batteries - compact power systems that provide reliable, clean energy in frontier environments. By harnessing the heat from radioisotopes, Zeno's batteries power critical missions on Earth, in space, and at sea. To bring this technology to market by 2027, Zeno is seeking out purpose-driven and innovative professionals who are comfortable working in a startup environment. Team members will have a direct impact in enabling commercial and national security missions from the depths of our oceans, to the surface of the moon, and in austere environments here on Earth. Zeno is proud to be an Equal Opportunity Employer and is committed to attracting, retaining, and developing a highly qualified, diverse, and dedicated work force. We do not discriminate in hiring on the basis of sex, gender identity, sexual orientation, race, color, religious creed, national origin, physical or mental disability, protected Veteran status, or any other characteristic protected by federal, state, or local law.
Electrical Engineer (Contractor)
Zeno is seeking a highly motivated Electrical Engineer to support the mission-oriented efforts of developing and bringing to market Radioisotope Power Systems (RPS) technologies. The Electrical Engineer will report to the Mechanical Engineering Manager.
In this role you will:
  • Work closely with a team of engineers to support the design, testing, and manufacturing of electrical components supporting each project.
  • Interface with the mechanical, structural, thermal, and nuclear teams to implement and optimize designs based on system requirements.
  • Lead the design, implementation, and optimization of complex control systems in both R&D and production settings.
  • Review designs for control systems, power distribution, power conversion, battery systems, and data communication.
  • Design test racks including data acquisition systems, power supply, communications, sensors, and grounding schemes.
  • Develop and review documentation relating to electrical subsystems including Specifications, Interface Control Documents (ICDs), Bill of Materials (BOMs), Test Plans & Procedures, and Test Reports.
  • Support Project Supplier work through SME review of supplier designs, fabrication activities, and testing.
  • Perform other relevant duties as assigned.

Key Qualifications and Skills
  • Bachelor's degree in Electrical Engineering or equivalent from an accredited university with 7+ years of relevant experience, or a Master's degree with 5+ years of relevant experience.
  • Proficient with controls, electrical diagram, and harness design programs (LTspice, Altium, Solidworks or similar).
  • Proficient in LabVIEW development, including modular VI architecture, state machines, and event-driven programming for real-time data acquisition and test system control.
  • Proficient in the use of standard electronic lab test equipment (oscilloscopes, DMMs, power meters, data acquisition cards, etc.).
  • Demonstrated ability to work with hardware, including tasks such as soldering, assembling wiring harnesses, and constructing test racks.
  • Familiarity with communication protocols common in aerospace applications and extreme environments.
  • Familiarity with environmental tests as they affect electrical components (EMI/EMC, vibration, thermal vacuum, etc.).
  • Experience performing activities under a quality standard (such as NQA-1, AS 9100, or similar).
  • Experience with PLC hardware and software environments is preferred.
  • Experience in the aerospace and/or nuclear industry is desired.
  • Candidate must be a self-starter and possess required skills to coordinate and contribute to design effort with minimal direction.
  • Can meet deadlines and perform under pressure in an uncertain environment.
  • Capable of working independently or as part of a team, with clear communication and collaboration skills
  • Must have excellent written and oral communication skills.

Job Functions
  • Position requires in-office presence in Seattle (South Lake Union)on Tuesdays, Wednesdays, and Thursdays, remote work is optional on Mondays and Fridays.
  • Travel: None
  • Motor Abilities: Sitting and/or standing for extended periods, bending/stooping, grasping/gripping, fine motor control (hands)
  • Physical exertion and/or requirements: Minimal, with ability to safely lift up to 15 pounds
  • Repetitive work: Prolonged
  • Special Senses: Visual and audio focused work
  • Work Conditions: Stairs, typing/keyboard, standard and/or sitting working environment of >8 hrs./day
  • Duration: 6 months

Compensation
The anticipated hourly rate for this position is $65-$75/hr. The final pay-rate will be determined by various factors such as a candidate's relevant work experience, years of relevant experience, skills, qualifications, certifications, and other business considerations.
Physical Demands and Work Environment
The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this position. Reasonable accommodations may be made to enable individuals with disabilities to perform the functions. While performing the duties of this position, the employee is regularly required to talk or hear. Specific vision abilities required by this position include close vision, distance vision, peripheral vision, and the ability to adjust focus. The noise level in the work environment is usually moderate.
Note
This job description in no way states or implies that these are the only duties to be performed by the employee(s) incumbent in this position. Employees will be required to follow any other job-related instructions and to perform any other job-related duties requested by any person authorized to give instructions or assignments. All duties and responsibilities are essential functions and requirements and are subject to possible modification to reasonably accommodate individuals with disabilities. To perform this job successfully, the incumbents will possess the skills, aptitudes, and abilities to perform each duty proficiently. Some requirements may exclude individuals who pose a direct threat or significant risk to the health or safety of themselves or others. The requirements listed in this document are the minimum levels of knowledge, skills, or abilities. This document does not create an employment contract, implied or otherwise, other than an "at will" relationship.
Export Control
Applicants for employment at Zeno Power must be a U.S. person. The term "U.S. Person" means (i) a U.S citizen or U.S. national; or (ii) any natural person who is a U.S. Lawful Permanent Resident (i.e., holds a Green Card), as defined by 8 U.S.C. 1101(a)(20) or as a "protected individual" defined by 8 U.S.C. 1324b(a)(3) (i.e., admitted as a refugee or is granted asylum).

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