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Senior Software Engineer Contract Jobs in Renton, WA

Senior Software Engineer

Redmond, WA · On-site

$140K - $190K/yr

Description Senior Software Engineer Who We Are Kymeta revolutionizes satellite communications through Intelligent Communications Platforms (ICPs). Our electronically steered flat panel antennas ...

Senior Software Engineer

Seattle, WA · On-site

$139K - $183K/yr

Senior Software Engineer Req ID: 10145074 Disney Entertainment and ESPN Product & Technology Technology is at the heart of Disney's past, present, and future. Disney Entertainment and ESPN Product ...

Senior Software Engineer

Seattle, WA · On-site

$139K - $183K/yr

Senior Software Engineer Req ID: 10145075 Disney Entertainment and ESPN Product & Technology Technology is at the heart of Disney's past, present, and future. Disney Entertainment and ESPN Product ...

Senior Software Engineer - Backend

Bellevue, WA · On-site

$138K - $182K/yr

Senior Software Engineer - Backend Bellevue, WA Long Term Contract What You Will Do: Primary Focus: Scalable API and service development, data storage, performance optimization, and integration with ...

Senior Software Engineer, Insurance

Seattle, WA · On-site +1

$139K - $183K/yr

Senior Software Engineer, Insurance Location: United States Workplace Type: Remote Job Summary Porch is reimagining what it means to be an insurance technology company, and we're building it from the ...

As a Senior Software Engineer, you will use your experience with microservices based architecture to build products that deliver high business impact for our customers. You will lead design and ...

Sr Software Engineer

Seattle, WA · On-site

$139K - $183K/yr

Job Posting Title: Sr Software Engineer Req ID: 10135205 Disney Entertainment and ESPN Product & Technology Technology is at the heart of Disney's past, present, and future. Disney Entertainment and ...

Senior Software Engineer

Redmond, WA · On-site

$160K - $261K/yr

Overview We are looking for an outstanding Senior Software Engineer to join the Microsoft Discovery team and work on an exciting new Artificial Intelligence (AI)-driven platform that will transform ...

Senior Software Engineer

Bellevue, WA · On-site

$196 - $230/hr

Senior Software Engineer, Load and Fault Environments Join us in building the future of finance. Our mission is to democratize finance for all. An estimated $124 trillion of assets will be inherited ...

Sr Software Engineer

Bellevue, WA · On-site

$137K - $181K/yr

Syntricate Technologies is seeking a Senior Software Engineer to join their team. The role involves designing, developing, and deploying adapters/platforms in a lab environment, as well as monitoring ...

Senior Software Engineer

Bellevue, WA · On-site

$149K - $216K/yr

Senior Software Engineer Location : 10900 NE 4th Street, Floor 8, Bellevue, WA 98004 Duties: Build and support GenAI Super Agent, Wibey, to help developers find information to build, deploy ...

Senior Software Engineer

Seattle, WA · On-site

$139K - $183K/yr

Responsibilities What you will own As a Senior Software Engineer, you will design and build the core systems that power AIM's autonomous machines and global fleet operations. Architect & Build ...

Senior Software Engineer

Redmond, WA · On-site

$137K - $180K/yr

We are seeking a Senior Software Engineer who is excited about building capabilities that help protect customers from cybersecurity threats. Do you enjoy designing and building full-stack products ...

Senior Software Engineer

Redmond, WA · On-site

$137K - $180K/yr

Strac is seeking a highly skilled Senior Software Engineer with a strong background in software development and cloud technologies. In this role, you will build full-stack technologies to transform ...

Senior Software Engineer

Seattle, WA · On-site

$139K - $183K/yr

Strac is seeking a highly skilled Senior Software Engineer with a strong background in software development and cloud technologies. In this role, you will build full-stack technologies to transform ...

Showing results 21-40

Senior Software Engineer Contract information

See Renton, WA salary details

$84.9K

$161.2K

$216K

How much do senior software engineer contract jobs pay per year?

As of Sep 3, 2026, the average yearly pay for senior software engineer contract in Renton, WA is $161,178.00, according to ZipRecruiter salary data. Most workers in this role earn between $137,800.00 and $181,700.00 per year, depending on experience, location, and employer.

What is a senior software engineer contract?

A Senior Software Engineer Contract refers to a temporary employment agreement where an experienced software engineer is hired for a specific period or project rather than as a permanent employee. These professionals bring advanced technical skills and leadership to design, develop, and maintain complex software systems. Contract roles often focus on delivering specialized expertise, meeting project deadlines, and providing mentorship to junior team members. Compensation and benefits may differ from full-time positions, and contracts can range from a few months to a year or more depending on the project's scope.

What are senior software engineer contract jobs?

Senior software engineer contract jobs involve working on software engineering projects on a temporary contract basis. Your duties and responsibilities in this career vary depending on the needs of each client. In general, you utilize your coding skills and computer program knowledge to create software, applications, or operating systems. You typically work with a software company or information technology organization. As a contractor, you work with clients to assess their needs and create or update software or systems to meet the needs of each client.

What are the key skills and qualifications needed to thrive as a senior software engineer on a contract basis, and why are they important?

To thrive as a Senior Software Engineer on contract, you need advanced programming skills, a strong understanding of software architecture, and several years of experience, often supported by a relevant degree or certifications. Proficiency with development tools like Git, CI/CD systems, cloud platforms (AWS, Azure, or Google Cloud), and familiarity with Agile methodologies are typically expected. Outstanding problem-solving abilities, effective communication, and adaptability are crucial soft skills for collaborating with diverse teams and adjusting to new projects quickly. These skills and qualities enable contract engineers to deliver high-quality solutions efficiently, integrate smoothly into client environments, and meet project goals within tight timelines.

What are the typical challenges faced by senior software engineers working on contract assignments?

Senior Software Engineers on contract often navigate challenges such as quickly acclimating to new codebases and team cultures, managing time effectively across multiple projects, and balancing client expectations with technical feasibility. Since contracts are temporary, there may be less onboarding support and less time to build deep relationships with permanent team members, making communication skills especially important. However, this environment also allows for exposure to diverse technologies and problem-solving scenarios, which can significantly enhance your expertise and professional network.

What is the difference between Senior Software Engineer Contract vs Software Engineer?

AspectSenior Software Engineer ContractSoftware Engineer
CredentialsBachelor's degree in CS or related field, experience, possibly certificationsBachelor's degree in CS or related field, entry to mid-level experience
Work EnvironmentProject-based, temporary contracts, often freelance or consultingFull-time employment, ongoing projects within companies
Employer & Industry UsageTech firms, startups, consulting agenciesTech companies, software development firms, startups
Search & Comparison IntentLooking for contract roles, freelance opportunities, project-based workSeeking permanent positions, career growth, or full-time roles

The main difference between a Senior Software Engineer Contract and a Software Engineer lies in employment type and work setup. Contract roles are temporary, project-focused, and often freelance, while Software Engineers typically work full-time within a company. Both roles require similar technical skills and credentials, but their work arrangements and career paths differ.

What are popular job titles related to Senior Software Engineer Contract jobs in Renton, WA?

For Senior Software Engineer Contract jobs in Renton, WA, the most frequently searched job titles are:

What job categories do people searching Senior Software Engineer Contract jobs in Renton, WA look for?

The top searched job categories for Senior Software Engineer Contract jobs in Renton, WA are:

What cities near Renton, WA are hiring for Senior Software Engineer Contract jobs?

Cities near Renton, WA with the most Senior Software Engineer Contract job openings:

Infographic showing various Senior Software Engineer Contract job openings in Renton, WA as of August 2026, with employment types broken down into 83% Full Time, and 17% Contract. Highlights an 100% In-person job distribution, with an average salary of $161,835 per year, or $77.8 per hour.

Senior Software Engineer - TeraWave

Blue Origin LLC

Seattle, WA • On-site

$165 - $231/hr

Other

Medical, Dental, Vision, Life, Retirement, PTO

Posted 29 days ago


Blue Origin rating

8.7

Company rating: 8.7 out of 10

Based on 91 frontline employees who took The Breakroom Quiz

16th of 72 rated aerospace companies


Job description

## Senior Software Engineer - TeraWaveApplylocations: Greater Seattle Areatime type: Full timeposted on: Posted Todayjob requisition id: R69786Application close date:Applications will be accepted on an ongoing basis until the requisition is closed.At Blue Origin, we envision millions of people living and working in space for the benefit of Earth. We’re working to develop reusable, safe, and low-cost space vehicles and systems within a culture of safety, collaboration, and inclusion. Join our team of problem solvers as we add new chapters to the history of spaceflight! Blue Origin is pioneering the future of space-based communications with TeraWave, a revolutionary satellite communications network designed to deliver symmetrical data speeds of up to 6 Tbps anywhere on Earth. This multi-orbit constellation will consist of optically interconnected satellites in low Earth orbit (LEO) and medium Earth orbit (MEO), providing enterprise-grade connectivity for critical operations worldwide.**SENIOR****SOFTWARE****ENGINEER****- TeraWave**As a Senior Software Engineer, you will play a vital leadership role within a team of specialists, technicians, and engineers, significantly contributing to the control and data plane architecture of the constellation. Your role will involve utilizing your expertise in software development for constrained environments, real-time operating systems, high-speed handling of data, and encryption to develop and maintain complex software solutions. You will guide software development and optimization efforts, collaborating effectively with cross-functional teams to ensure optimal quality and performance of our systems.Your ability to innovate, provide architectural direction, and deliver efficient solutions is crucial to managing the entire development process. Successful senior engineers not only meet complex requirements but also propose and implement innovative, cutting-edge solutions.**Special Mentions*** This role will be onsite in one of these locations – Greater Seattle Area, WA; Bay Area, CA; San Diego, CA. It is approved for temporary remote work exception while our local site is developed* Relocation assistance available* Travel may be required up to 10% of the time**Responsibilities include but are not limited to:*** Design and develop multi-threaded embedded software in C/C++ to run on Linux/RTOS/Bare-metal platforms, hosted on multi-core SoCs,* Implement custom device drivers and management/control/data plane functions for Satellite RF transceivers, Antenna systems and Optical systems on TeraWave’s Satellite Payload, Customer terminals and Ground Gateway Terminals.* Single-threaded software owner of a designated given system area, responsible for leading feasibility studies, prototyping, defining extensible software architecture.* Define and develop strategies for scaling, fault-tolerance and recovery.* Define performance KPIs (processing latencies, throughput, algorithmic efficiency) and develop methods for measurements and optimization of resources (compute, memory, storage, network and I/O).* Collaborate with cross-functional teams to integrate software with hardware systems.* Contribute to technical documentation, code reviews, and system architecture decisions* Troubleshoot problems and debug issues using telemetry, logs/traces, code instrumentation, and software and hardware debugging tools.* Champion embedded software development, testing and troubleshooting best practices – including CI/CD, test and data analysis automation, TDD.* Lead the team from front in delivering with speed and quality, and mentor a team of highly skilled software engineers, fostering technical excellence and innovation**Minimum Qualifications*** Bachelor’s degree in Computer Engineering, Computer Science, Electrical Engineering, or related field* 5+ years of experience in embedded software development in C/C++ to run on Linux/RTOS/Bare-metal platforms.* Strong proficiency in C++ object-oriented design and implementation.* Hands-on expertise in embedded systems debugging using SW and HW tools (JTAG, SWD, CoreSight, Lauterbach/Trace32, J-Link, J-Trace etc.)* Experience with developing applications that use standard peripherals – SPI, I3C, I2C, PCIe, CAN etc.* Experience with Linux networking and inter-core/processor communications between applications that use high-speed data-plane interfaces – Ethernet, Interlaken, JESD etc.* Experience with with CI/CD pipelines, automated testing, and Test-Driven Development* Experience leading software development teams and mentoring junior engineers* Experience with Agile or Scaled Agile development methodologies* Excellent written and verbal communication skills* Must be a U.S. citizen or national, U.S. permanent resident (current Green Card holder), or lawfully admitted into the U.S. as a refugee or granted asylum.**Preferred Qualifications*** Master's degree or PhD in Computer Engineering, Computer Science, Electrical Engineering, or related field* 7+ years of experience in embedded software development for mission-critical systems* Experience in developing embedded software in or more of these areas - satellite communications systems, space-based networks, cellular wireless, terrestrial telecommunications systems.* Experience with one or more of these areas - Software defined radios, RF transceivers and antenna systems control (preferably phased arrays, parabolic antennas), Optical transceivers (ACOs, DCOs)* Experience with developing drivers for proprietary and merchant silicon (DSPs, mixed signal processors, modems, etc.).* Experience with formal verification methods for safety-critical software* Knowledge of radiation-hardened computing environments and related software considerations### Base Pay Range for:WA applicants is $164,652.00 - $230,512.80**Other site ranges may differ** **Culture Statement**Don’t meet all desired requirements? Studies have shown that some people are less likely to apply to jobs unless they meet every single desired qualification. At Blue Origin, we are dedicated to building an authentic workplace, so if you’re excited about this role but your past experience doesn’t align perfectly with every desired qualification in the job description, we encourage you to apply anyway. You may be just the right candidate for this or other roles. **Export Control Regulations**Applicants for employment at Blue Origin must be a U.S. citizen or national, U.S. permanent resident (i.e. current Green Card holder), or lawfully admitted into the U.S. as a refugee or granted asylum. **Background Check*** Required for all positions: Blue’s Standard Background Check* Required for Certain Job Profiles: Defense Biometric Identification System (DBIDS) background check if at any time the role requires one to be on a military installation* Required for Certain Job Profiles: Drivers who operate Commercial Motor Vehicles with a Gross Vehicle Weight (GVW), Gross Vehicle Weight Rating (GVWR) or combination of power unit and trailer that meets or exceeds 10,001 lbs. and/or transports placardable amounts of hazardous materials by ground in any vehicle on a public road while in commerce, may be subject to additional Federal Motor Carrier Safety Regulations including: Driver Qualification Files, Medical Certification (obtained before onboarding), Road Test, Hours of Service, Drug and Alcohol Testing, vehicle inspection requirements, CDL requirements (if applicable) and hazardous materials transportation/shipping training.* Required for certain Job Profiles: Ability to obtain and maintain Merchant Mariner Credential, which includes pre-employment and random drug testing as well as DOT physical **Benefits*** Benefits include: Medical, dental, vision, basic and supplemental life insurance, paid parental leave, short and long-term disability, 401(k) with a company match of up to 5%, and an Education Support Program.* Stock Options for all regular employees (working at least 20 hours/week)* Paid Time Off: Up to four (4) weeks per year based on weekly scheduled hours, and up to 14 company-paid holidays.* Dependent on role type and job level, employees may be eligible for benefits and bonuses based on the company's intent to reward individual contributions and enable them to share in the company's results, or other factors at the company's sole discretion. Bonus amounts and eligibility are not guaranteed and subject to change and cancellation. Please check with your recruiter for more details. **Equal Employment Opportunity**Blue Origin is proud to be an Equal Opportunity/Affirmative Action Employer and is committed to attracting, retaining, and developing a highly qualified and dedicated work force. Blue Origin hires and promotes people on the basis of their qualifications, performance, and abilities. We support the establishment and maintenance of a workplace that fosters trust, equality, and teamwork. We provide all qualified applicants for employment and employees with equal opportunities for hire, promotion, and other terms and conditions of employment, regardless of their race, color, religion, sex, sexual orientation, gender identity, national origin/ethnicity, age, physical or mental disability, genetic factors, military/veteran status, or any other status or characteristic protected by federal, state, and/or local law. Blue Origin will consider for employment qualified applicants with criminal histories in a manner consistent with applicable federal, state, and local laws, including the Washington Fair Chance Act, the California Fair Chance Act, the Los Angeles Fair Chance in Hiring Ordinance, and other applicable laws. For more information on “Know Your Rights,” please see here. #J-18808-Ljbffr

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Blue Origin logo

About Blue Origin

Sourced by ZipRecruiter

Blue Origin is a private aerospace manufacturing and suborbital spaceflight services company based in Kent, Washington, USA. Established in 2000 by Amazon founder Jeff Bezos, the company operates in the cutting-edge aerospace industry aiming to build a future where millions of people can live and work in space. They develop a variety of technologies, with a focus on reusable rocket systems which significantly reduce the cost of space travel. Blue Origin's core mission is to make this vision come to life by incrementally building on its successes with an ultimate vision of dramatic cost reduction and increased reliance on reusable spacecraft.

Industry

Space research administration

Company size

1,001 - 5,000 Employees

Headquarters location

Kent, WA, US

Year founded

2000