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Full Time Union Software Engineer Jobs in Seattle, WA

Union.ai

Staff Software Engineer

Bellevue, WA · On-site

Union.ai is addressing significant challenges in AI infrastructure, particularly in enabling high-velocity iteration for AI workloads. The Staff Software Engineer will be responsible for driving the ...

Union.ai

Staff Software Engineer

Bellevue, WA · On-site

Union is a company focused on solving challenges in AI infrastructure, particularly in enabling high-velocity iteration for AI workloads. They are seeking a Staff Software Engineer to lead in ...

Union.ai

Staff Software Engineer

Bellevue, WA · On-site

$212K - $270K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

About Us At Union, we are solving one of the hardest challenges in AI infrastructure today ... Address the needs and challenges of data scientists and engineers, advocating for user- centric ...

Boeing

Senior Software Engineer

Seattle, WA · On-site

$139K - $183K/yr

  • Medical

  • Life

  • Retirement

Senior Software Engineer Company: The Boeing Company The Boeing Company is looking for a Senior ... This is a union-represented position. Drug Free Workplace: Boeing is a Drug Free Workplace (DFW ...

krg technology inc

Software Engineer

Redmond, WA · On-site

Software Engineer Location : Redmond, WA Duration: Full Time : C/C++/C# programming - ability to write/modify DLLs, test tools. Ability to write test cases, updates and generate test scripts. USB ...

Kiongroup

Software Engineer

Bellevue, WA · On-site

We are looking for a skilled Mid-Level Software Engineer to join our team in the material handling ... This is a full-time position with opportunities for professional growth and career advancement.

Kiongroup

Software Engineer

Bellevue, WA · On-site

We are looking for a skilled Mid-Level Software Engineer to join our team in the material handling ... This is a full-time position with opportunities for professional growth and career advancement.

AST

Software Engineer

Tacoma, WA · On-site

$125K - $140K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Software Engineer At AST, we enhance the efficiency, productivity, and safety of flexibleaseptic ... This is a full-time, on-site position based in Tacoma. AST is an equal opportunity employer.

AST

Software Engineer

Tacoma, WA · On-site

$125K - $140K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Software Engineer At AST, we enhance the efficiency, productivity, and safety of flexible aseptic ... This is a full-time, on-site position based in Tacoma. AST is an equal opportunity employer.

Energysavvy

Software Engineer

Seattle, WA · On-site

  • Medical

  • Dental

  • Vision

  • PTO

About EnergySavvy EnergySavvy is a rapidly growing software company with the mission of ... Work fulltime in Seattle * US or permanent citizenship * Fun to work with Thanks for your interest ...

Energysavvy

Software Engineer

Seattle, WA · On-site

  • Medical

  • Dental

  • Vision

  • PTO

About EnergySavvy EnergySavvy is a rapidly growing software company with the mission of ... fulltime in Seattle US or permanent citizenship Fun to work with Thanks for your interest in ...

SRI Tech solutions Inc

Software Engineer

Redmond, WA · On-site

Redmond, WA Duration; Full Time Develop software programs of a complex nature, including operating ... Web developers/designers that only write code that runs in the browser not in the server Experience ...

SRI Tech solutions Inc

Software Engineer

Redmond, WA · On-site

Redmond, WA Duration; Full Time Develop software programs of a complex nature, including operating ... Web developers/designers that only write code that runs in the browser not in the server Experience ...

Anduril Industries

Software Engineer, C++

Bellevue, WA · On-site

$166K - $220K/yr

ABOUT THE JOB At Anduril, our Software Engineers are at the forefront of defense technology ... Highly competitive equity grants are included in the majority of full time offers; and are ...

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All JobsUnion Software Engineer JobsFull Time Union Software Engineer JobsFull Time Union Software Engineer Jobs in Seattle, WA

Full Time Union Software Engineer information

See Seattle, WA salary details

$72.3K

$167.9K

$233.9K

How much do full time union software engineer jobs pay per year?

As of Aug 13, 2026, the average yearly pay for full time union software engineer in Seattle, WA is $167,886.00, according to ZipRecruiter salary data. Most workers in this role earn between $136,600.00 and $196,900.00 per year, depending on experience, location, and employer.

What is the difference between Full Time Union Software Engineer vs Contract Software Engineer?

AspectFull Time Union Software EngineerContract Software Engineer
CredentialsBachelor's degree in CS or related field; union membership often requiredBachelor's degree in CS or related field; no union requirement
Work EnvironmentPermanent employment with union protections, benefits, and job securityTemporary or project-based, often freelance or agency work
Employer & Industry UsageTypically employed by large companies or government agencies with unionized workforceHired by companies or agencies for specific projects or durations

Full Time Union Software Engineers enjoy job stability, union benefits, and protections, whereas Contract Software Engineers have flexible, short-term roles without union benefits. The choice depends on desired job security versus project-based work flexibility.

What are popular job titles related to Full Time Union Software Engineer jobs in Seattle, WA?

For Full Time Union Software Engineer jobs in Seattle, WA, the most frequently searched job titles are:

What job categories do people searching Full Time Union Software Engineer jobs in Seattle, WA look for?

The top searched job categories for Full Time Union Software Engineer jobs in Seattle, WA are:

What cities near Seattle, WA are hiring for Full Time Union Software Engineer jobs?

Cities near Seattle, WA with the most Full Time Union Software Engineer job openings:

Full Time Union Software Engineer jobs near you
Infographic showing various Full Time Union Software Engineer job openings in Seattle, WA as of August 2026, with employment types broken down into 1% Internship, 86% Full Time, 9% Part Time, and 4% Contract. Highlights an 88% Physical, 4% Hybrid, and 8% Remote job distribution, with an average salary of $167,886 per year, or $80.7 per hour.

Staff Software Engineer

Union.ai

Bellevue, WA • On-site

Full-time

Re-posted 15 days ago

Job description

Job Summary:
Union.ai is addressing significant challenges in AI infrastructure, particularly in enabling high-velocity iteration for AI workloads. The Staff Software Engineer will be responsible for driving the technical direction, solving large-scale problems, and developing high-quality, user-centric ML tooling and APIs.
Responsibilities:
• Forge the future of Machine Learning (ML) tooling, infusing unique insights into feature development and enhancing usability.
• Solve complex, large-scale problems.
• Steer our technical direction, making strategic decisions on architecture, technologies, and processes.
• Code, design, and architect, establishing the benchmark for quality and innovation within the team.
• Utilize comprehensive expertise in both front-end and back-end development to engineer high-quality, scalable, and maintainable solutions.
• Craft robust APIs and deliver seamless user experience across our platform.
• Champion the creation of user-centric features by leveraging deep understanding of developer tools and frameworks.
• Address the needs and challenges of data scientists and engineers, advocating for user-centric design and functionality at every development phase.
• Act as a technical liaison across teams, enriching collaborative efforts with insights and expertise.
• Participate actively in code and design reviews, ensuring adherence to the highest standards of code quality and performance.
• Exhibit a proactive mindset with a focus on impactful work, addressing urgent needs within the team.
• Navigate and solve complex problems independently, driving projects to completion.
Qualifications:
Required:
• Bachelor's degree or equivalent in Engineering (any), Computer Science, or related
• 6 years of progressively responsible experience in the job offered or a related IT occupation
• 6 years of experience in full-stack development with hands-on experience in React, TypeScript, JavaScript and backend technologies including Python, Go and Java
• 6 years of experience working with Machine Learning concepts and frameworks, including TensorFlow, PyTorch, and Spark
• 6 years of experience bridging traditional software development with cutting-edge ML applications
• 6 years of experience utilizing Python Internals
• 6 years of experience utilizing Flyte or contributing to open source technologies
• 6 years of experience utilizing data processing frameworks, including Spark, Flink, and Beam
• 6 years of experience working with Rust and PyO3
Company:
Union.ai is a Kubernetes-native workflow orchestration platform for data and machine learning at scale. Founded in 2020, the company is headquartered in Bellevue, USA, with a team of 11-50 employees. The company is currently Early Stage.

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