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Senior Software Engineer Jobs in Renton, WA (NOW HIRING)

ApTask Global Workforce

Senior Software Engineer

Seatac, WA · On-site

$100/hr

  • Medical

  • Dental

  • Vision

  • Life

Aptask Global Workforce (AGW) is seeking a Senior Software Engineer for a contract position with a Major US Airline located in SeaTac, WA. This is a 12+ month contract opportunity. As a subject ...

Microsoft

Senior Software Engineer

Redmond, WA · On-site

$137K - $180K/yr

As a Senior Software Engineer, you will * Lead the cross-team engineering efforts to build business critical products for publishers and buyers on the Monetize platform. * You will collaborate with a ...

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 ...

YO AI Labs

Senior Software Engineer - Remote

Seattle, WA · Remote

$139K - $183K/yr

Senior Software Engineer Job Type: Contract Location: Remote Job Summary: In this role, you'll apply your expertise to help train next-generation AI systems. Your work will shape how models learn ...

Deep Sync

Senior Software Engineer

Kirkland, WA · On-site

$160K - $180K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

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 ...

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 ...

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 ...

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.

Snowflake Inc.

Senior Software Engineer

Bellevue, WA · On-site

$138K - $182K/yr

We are looking for a talented and passionate Senior Software Engineer for our Snowpark Container Service , part of our Snowflake Compute Platform - to build our elastic, high-scale, high-performance ...

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 ...

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 operational efficiency and client service. This role involves working with a modern tech ...

Microsoft

Senior Software Engineer

Redmond, WA · On-site

$137K - $180K/yr

Overview We are hiring a Senior Software Engineer for the "Windows in the Cloud" engineering team, where we build beautiful client applications and delightful experiences used by more than millions ...

Ai2

Senior Software Engineer, Fullstack

Seattle, WA · On-site

$139K - $183K/yr

The Senior Software Engineer, Fullstack will work closely with UX designers and research scientists to develop AI-powered applications, engaging in the entire software development lifecycle and ...

Symetra

Sr. Software Engineer I

Bellevue, WA · On-site

$106K - $177K/yr

  • Retirement

  • PTO

About the role As a Senior Software Engineer I , you'll be joining the team to help build the next generation of our Stop Loss platform. This is a hands-on engineering role where you will develop ...

Infoblox

Senior Software Engineer

Tacoma, WA · On-site

$131K - $173K/yr

Infoblox is a leading provider of cloud-first networking and security solutions, and they are seeking a Senior Software Engineer to join their Universal Asset Insights team in Tacoma, WA. In this ...

Gradial

Senior Software Engineer

Seattle, WA

$130K - $220K/yr

The Role Gradial is looking for a Senior Software Engineer to lead the development of AI-native systems that redefine how creative teams build and update websites. As an early engineer, you'll be ...

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All JobsSoftware Engineer JobsSenior Software Engineer JobsSenior Software Engineer Jobs in Renton, WA

Senior Software Engineer information

See Renton, WA salary details

$84.9K

$161.2K

$216K

How much do senior software engineer jobs pay per year?

As of Aug 19, 2026, the average yearly pay for senior software engineer in Renton, WA is $161,191.00, 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?

A senior software engineer designs, codes, tests, and maintains computer software. While these are your primary responsibilities as a senior software engineer, you may also have supervisory duties. These include overseeing a team of junior software engineers or developers. The senior software engineer title is sometimes used interchangeably with senior developer, and positions for both may share similar job duties and responsibilities. In general, software engineers are distinguished from developers in that software engineers apply engineering principles to software development.

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

To thrive as a Senior Software Engineer, you need advanced programming skills, deep understanding of software architecture, and several years of experience in software development, often supported by a relevant degree. Familiarity with tools like Git, CI/CD pipelines, cloud platforms, and expertise in technologies such as Java, Python, or JavaScript are typically required. Leadership, problem-solving, and effective communication are crucial soft skills for mentoring teams and collaborating across departments. These skills ensure the delivery of robust, scalable solutions and drive successful project outcomes in complex technical environments.

What are some common challenges senior software engineers face when mentoring junior team members?

Senior Software Engineers often mentor junior colleagues, which can be incredibly rewarding but also presents challenges. Balancing mentorship with project deadlines can be demanding, as it requires strong time management and communication skills. Additionally, adapting explanations to different learning styles and levels of experience can be tricky. However, effective mentorship helps build a stronger team and can lead to enhanced leadership opportunities for the senior engineer.

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

AspectSenior Software EngineerSoftware Developer
CredentialsBachelor's or higher in CS or related field; experience often 5+ yearsBachelor's in CS or related field; entry to mid-level experience
Work EnvironmentDesigning complex systems, leading projects, mentoringWriting code, developing features, debugging
Industry UsageUsed across tech companies, startups, enterpriseCommon in software firms, startups, freelance work
Search & ComparisonOften compared for experience level, responsibilitiesCompared for entry-level to mid-level roles

The main difference between a Senior Software Engineer and a Software Developer lies in experience, responsibilities, and scope. Senior Software Engineers typically have more experience, lead projects, and mentor others, while Software Developers focus on coding and feature development. Both roles are essential in tech companies, but the Senior Software Engineer position involves higher-level planning and leadership.

What does a senior software engineer do?

A senior software engineer designs, develops, and maintains software applications, often leading projects and mentoring junior team members. They analyze requirements, write code, perform testing, and collaborate with cross-functional teams to ensure quality and efficiency. Proficiency in programming languages, problem-solving skills, and experience with development tools are essential for this role.
More about Senior Software Engineer jobs

What are the most commonly searched types of Software Engineer jobs in Renton, WA?

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

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

Senior Software Engineer jobs near you
Infographic showing various Senior Software Engineer job openings in Renton, WA as of August 2026, with employment types broken down into 1% As Needed, 85% Full Time, 9% Part Time, and 5% Contract. Highlights an 88% Physical, 4% Hybrid, and 8% Remote job distribution, with an average salary of $161,191 per year, or $77.5 per hour.

Senior Software Engineer

ApTask Global Workforce

Seatac, WA • On-site

$100/hr

Other

Medical, Dental, Vision, Life

Re-posted 24 days ago

Job description

Aptask Global Workforce (AGW) is seeking a Senior Software Engineer for a contract position with a Major US Airline located in SeaTac, WA. This is a 12+ month contract opportunity.
As a subject matter expert in full-stack software engineering, this role involves exercising considerable judgment to support products top-to-bottom and shipping software on a regular basis. The ideal candidate will work in an agile environment, collaborating with product owners, designers, and other engineers to deliver business value iteratively while architecting, testing, and deploying highly scalable applications.
Responsibilities:
  • Act as a subject matter expert in full-stack engineering on a scrum delivery team
  • Coach and influence team-members on best practices and emerging technologies
  • Solve complex technology and business problems with new and creative methods
  • Architect, engineer, test, deploy, and support highly scalable and maintainable complex, end-to-end custom software applications
  • Ensure delivery of high-quality software by writing clean code and utilizing pair programming, test-driven development (TDD), and continuous integration
  • Actively engage in the technology industry to understand how evolving technologies can benefit the organization
  • Influence cross-functionality and partner with other disciplines to develop strategy

Requirements:
  • 4 years of experience in software engineering or a related area
  • Bachelor's degree with a focus in Computer Science or a related field, or an additional two years of relevant experience
  • Experience with Test Automation and utilizing cloud computing
  • Experience building custom, high scale, n-tier applications using object-orientated languages
  • Experience developing web or mobile applications using modern technologies
  • Experience utilizing appropriate design patterns to create clean, maintainable, and performant code
  • Experience with Git version control
  • Experience performing TDD, unit testing, pair programming, and other XP techniques
  • Strong interpersonal skills and proven ability introducing new ideas and technologies
  • Must be authorized to work in the U.S

Desired skills:
  • Experience building high-scaled distributed systems running in cloud environments
  • Experience building and deploying to Kubernetes environments
  • Experience with DevOps practices and supporting tools
  • Experience in agile/lean development methodologies
  • Experience with .Net WebAPI and .Net Core
  • Experience with design patterns and/or SOLID principles

Pay range: up to $100.00 per hour
Only candidates available and ready to work directly as Aptask Global Workforce (AGW) employees will be considered for this position.
If you have the described qualifications and are interested in this exciting opportunity, apply today!
Aptask Global Workforce (AGW)
ApTask Global Workforce (AGW) is a certified Minority and Veteran workforce solutions company. AGW delivers operational, clinical, lab and professional talent with a strong focus on healthcare and life sciences. The company supports clients with reliable staffing, program expertise and a commitment to quality, speed and consistent delivery.
Benefits of working with ApTask Global Workforce include:
  • Medical
  • Dental
  • Vision
  • Sick Pay (for applicable states/municipalities)

Our team stays close to the process and is here to guide you every step of the way. To learn more, please visit our website
ApTask Global Workforce is an Equal Opportunity Employer. Candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability or status as a protected veteran.
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