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Senior Software Engineer Contract Jobs in Bothell, WA

Confiz Limited

Senior Software Engineer

Seattle, WA · On-site

$120 - $160/hr

Confiz is seeking a Sr. Software Engineer/ Technical Lead to join our Seattle, WA team. This role is ideal for an experienced engineer who can design and deliver scalable solutions, influence ...

New

Armada

Senior Software Engineer

Seattle, WA · On-site

$139K - $183K/yr

The Senior Software Engineer will architect and develop core services for the Armada Edge Platform, focusing on software, networking, and platform infrastructure. Responsibilities : • Architect and ...

Garuda Ventures

Senior Software Engineer

Everett, WA · On-site

$157.60 - $197/hr

About the Role We are seeking a Senior Software Engineer to join our Edge organization. This is a role for an engineer who lives at the intersection of software, networking, and platform ...

New

Microsoft

Senior Software Engineer

Redmond, WA · On-site

$160K - $261K/yr

The Power, Thermal, and Battery team is looking for a Senior Software Engineer to join our team and help build the next generation of platform software, diagnostics, telemetry, power and performance ...

Microsoft

Senior Software Engineer

Redmond, WA · On-site

$137K - $180K/yr

We are looking for a talented Senior Software Engineer to join us in pushing the boundaries of technology for the Copilot experience. In this role, you will work on building highly scalable ingestion ...

The Trade Desk

Senior Software Engineer

Bellevue, WA

$212K - $274K/yr

Senior Software Engineer Location: 10770 NE 8th St., Suite 700, Bellevue, WA 98004 *Telecommuting permitted: work may be performed within normal commuting distance from The Trade Desk, Inc. office in ...

Microsoft

Senior Software Engineer

Redmond, WA · On-site

$137K - $180K/yr

WCX is hiring a Senior Software Engineer for the Windows 365 and Azure Virtual Desktop (AVD) organization, which is recognized as a leader in the Gartner Magic Quadrant™ for Desktop as a Service ...

Deep Sync

Senior Software Engineer

Kirkland, WA · On-site

$160K - $180K/yr

Position Overview Deep Sync is seeking a Senior Software Engineer to be a core member of our US engineering team. This individual will make significant technical contributions to the design and ...

Anduril Industries

Senior Software Engineer

Seattle, WA · On-site

$139K - $183K/yr

ABOUT THE JOB We are looking for a Senior Software Engineer to join the LatticeOS team, where you will design and develop the core platform services, middleware, and operating system components ...

Docusign

Senior Software Engineer

Seattle, WA · On-site

$139K - $183K/yr

... contract lifecycle management (CLM). What you'll do Docusign is looking for a Senior Software ... You will work closely with product engineering, SRE, security, finance, and vendor partners to ...

DocuSign

Senior Software Engineer

Seattle, WA · On-site +1

$139K - $183K/yr

... contract lifecycle management (CLM). What you'll do Docusign is looking for a Senior Software ... You will work closely with product engineering, SRE, security, finance, and vendor partners to ...

DocuSign

Senior Software Engineer

Seattle, WA · On-site +1

$139K - $183K/yr

... contract lifecycle management (CLM). What you'll do Docusign is looking for a Senior Software ... You will work closely with product engineering, SRE, security, finance, and vendor partners to ...

Brighton Jones

Senior Software Engineer

Seattle, WA · On-site

$139K - $183K/yr

They are seeking a Senior Software Engineer to build integrations, automations, and applications that enhance operations and client service, while contributing to architecture decisions and ...

Microsoft

Senior Software Engineer

Redmond, WA · On-site

$158K - $258K/yr

As a Senior Software Engineer, you will play a key role in driving our data strategy, ensuring the integrity and accessibility of our data and leveraging data insights to support business decisions.

NexHealth

Senior Software Engineer, Fullstack

Seattle, WA · On-site

$139K - $183K/yr

The Senior Software Engineer, Fullstack will build scalable software that enhances patient experiences and improves the relationship between patients and doctors while tackling complex challenges in ...

Docusign

Senior Software Engineer

Seattle, WA · On-site

$139K - $183K/yr

... contract lifecycle management (CLM). What you'll do Docusign is looking for a Senior Software ... You will work closely with product engineering, SRE, security, finance, and vendor partners to ...

NetApp

Senior Software Engineer

Bellevue, WA · On-site

$137K - $181K/yr

We are hiring a Senior Software Engineer to design systems, write production code, and make the ... Make foundational design decisions for a new product: data models, API contracts, service ...

NetApp, Inc.

Senior Software Engineer

Bellevue, WA · On-site

$137K - $181K/yr

We are hiring a Senior Software Engineer to design systems, write production code, and make the ... Make foundational design decisions for a new product: data models, API contracts, service ...

Docusign

Senior Software Engineer

Seattle, WA · On-site

$164K - $266K/yr

... contract lifecycle management (CLM). What you'll do As a Senior Software Engineer on the ... Observability team, you will design, build, and operate the telemetry platforms that power how ...

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All JobsSoftware Engineer Contract JobsSenior Software Engineer Contract JobsSenior Software Engineer Contract Jobs in Bothell, WA

Senior Software Engineer Contract information

See Bothell, WA salary details

$84.4K

$160.2K

$214.6K

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

As of Aug 8, 2026, the average yearly pay for senior software engineer contract in Bothell, WA is $160,184.00, according to ZipRecruiter salary data. Most workers in this role earn between $136,900.00 and $180,500.00 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 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 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 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.

More about Senior Software Engineer Contract jobs
What are the most commonly searched types of Senior Software Engineer jobs in Bothell, WA? The most popular types of Senior Software Engineer jobs in Bothell, WA are:
What job categories do people searching Senior Software Engineer Contract jobs in Bothell, WA look for? The top searched job categories for Senior Software Engineer Contract jobs in Bothell, WA are:
What cities near Bothell, WA are hiring for Senior Software Engineer Contract jobs? Cities near Bothell, WA with the most Senior Software Engineer Contract job openings:
Senior Software Engineer Contract jobs near you
Infographic showing various Senior Software Engineer Contract job openings in Bothell, WA as of August 2026, with employment types broken down into 82% Full Time, 14% Part Time, and 4% Contract. Highlights an 87% Physical, 4% Hybrid, and 9% Remote job distribution, with an average salary of $160,184 per year, or $77 per hour.

Senior Software Engineer

Confiz Limited

Seattle, WA • On-site

$120 - $160/hr

Other

Posted 3 days ago

New

Job description

Confiz is seeking a Sr. Software Engineer/ Technical Lead to join our Seattle, WA team. This role is ideal for an experienced engineer who can design and deliver scalable solutions, influence technical direction, and lead complex initiatives that span multiple teams and systems.

The ideal candidate will have deep expertise in MS SQL development and backend systems, along with strong experience in Java, AWS, Kafka, Kubernetes, and modern software engineering practices. This individual will play a key role in driving architecture decisions, mentoring engineers, and ensuring successful delivery of business‑critical solutions.

Responsibilities
  • Design and architect solutions at the organizational level, considering upstream and downstream system integrations.
  • Lead the design and implementation of large-scale initiatives that span multiple weeks or months and involve a full engineering team.
  • Make technical decisions and influence priorities, balancing short‑term business needs with long‑term scalability and maintainability.
  • Own systems and solutions that span multiple engineers' workstreams, breaking down complex projects into manageable tasks.
  • Drive engineering excellence through architecture reviews, design reviews, and best practices.
  • Identify technical risks, future gaps, and emerging challenges, proactively proposing scalable solutions.
  • Collaborate closely with business and technical stakeholders to align technology solutions with organizational objectives.
  • Guide and mentor junior engineers while fostering a culture of continuous improvement and accountability.
  • Ensure work is tracked, measured, and delivered using established industry‑standard engineering processes.
  • Contribute to backend development with a strong focus on MS SQL database design, optimization, performance tuning, and data integration.
Qualifications
  • Minimum - 10 years of professional experience in delivering quality software, ideally across the full stack
  • Excellent proficiency in an Object‑Oriented language, such as Java
  • Proficient with Java, Java Spring Boot Framework, Containerization (K8s/Docker)
  • Test automation experience at all levels (Unit, Integration, Regression, Load)
  • Familiarity with modern infrastructure tools and pipelines (Gitlab CI/CD, Terraform)
  • Experience with RESTful architecture and micro services
  • Experience with system design, architecture, scaling, and performance testing.
  • Experience building services a plus
  • Experience with Cloud technologies specially AWS
  • Experience with databases likepostgres.
  • Experience with Cache based low latency system design
  • Familiarity with CI/CD and testing tools.
  • Strong understanding of computer science fundamentals
  • Familiarity with ops tools, logging, and metrics (New Relic, Splunk)
  • Experience with messaging technologies and patterns (Kafka/SQS)
  • Must have strong communication skills
  • Must beSelf sufficient, able to work with the details,execute cross functional communication, if design changes are requested, they would be able to own and help others
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