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Backend Software Engineer Jobs in Bellevue, WA (NOW HIRING)

Docugami

Back End Software Engineer

Kirkland, WA · On-site +1

... software product businesses. We're looking for Back End Engineers to join our team and help make these breakthroughs happen. Docugami values engineers from diverse backgrounds who are strong in ...

Docugami

Back End Software Engineer

Kirkland, WA · On-site

... software product businesses. We're looking for Back End Engineers to join our team and help make these breakthroughs happen. Docugami values engineers from diverse backgrounds who are strong in ...

OpenAI

Backend Software Engineer (Evals)

Seattle, WA · On-site

$230K - $385K/yr

About the Role We're looking for a Backend Software Engineer with experience working in ML/LLM-heavy domains to help to design and build an evals infrastructure that measures the quality of OpenAI ...

DAT

Senior Backend Software Engineer

Seattle, WA

$139K - $183K/yr

DAT.com Job Application Deadline: 08/31/2026 The Opportunity DAT is hiring a Senior Backend Software Engineer to join the Broker Tech team building the Convoy Platform, a digital freight marketplace ...

DAT

Senior Backend Software Engineer

Seattle, WA · On-site

$139K - $183K/yr

DAT.com Job Application Deadline: 08/31/2026 The Opportunity DAT is hiring a Senior Backend Software Engineer to join the Broker Tech team building the Convoy Platform, a digital freight marketplace ...

Otter

Senior Backend Software Engineer

Seattle, WA

$167K - $230K/yr

What you'll do As a Software Engineer on the Otter Marketing/Boost team, you'll build the AI ... Build backend services for campaign management, budgeting, and a multi-channel pipeline that ...

Otter

Senior Backend Software Engineer

Seattle, WA · On-site

$167K - $230K/yr

What you'll do As a Software Engineer on the Otter Marketing/Boost team, you'll build the AI ... Build backend services for campaign management, budgeting, and a multi-channel pipeline that ...

Coupang

Sr. Staff Backend Software Engineer

Seattle, WA · On-site

$174K - $299K/yr

... and operating backend services and web applications. * Experience building complex, high ... Knowledge of Agile software engineering practices & patterns for the full software development ...

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All JobsBackend Software Engineer JobsBackend Software Engineer Jobs in Bellevue, WA

Backend Software Engineer information

See Bellevue, WA salary details

$67.9K

$165.7K

$223.4K

How much do backend software engineer jobs pay per year?

As of Jul 31, 2026, the average yearly pay for backend software engineer in Bellevue, WA is $165,733.00, according to ZipRecruiter salary data. Most workers in this role earn between $139,200.00 and $193,000.00 per year, depending on experience, location, and employer.

What does a backend software engineer do?

A backend software engineer designs, develops, and maintains the server-side components of applications, including databases, APIs, and server logic. They work with programming languages like Java, Python, or Node.js and often use tools such as version control systems and cloud platforms to ensure scalable and secure systems.

What are some typical challenges a Backend Software Engineer faces when integrating new services into an existing system?

Backend Software Engineers often encounter challenges such as ensuring compatibility between new services and legacy systems, maintaining data integrity during migrations, and managing increased system complexity. Effective integration also requires thorough testing to prevent disruptions to existing functionalities and close collaboration with frontend engineers, DevOps, and QA teams. Proactively communicating across teams and adhering to clear documentation standards can help mitigate integration risks and ensure a smoother deployment process.

What engineer makes $500,000 a year?

A senior or specialized backend software engineer at large tech companies or in high-demand industries can earn $500,000 or more annually, often including base salary, bonuses, and stock options. Achieving this level typically requires extensive experience, advanced skills in programming and system architecture, and working in competitive markets or leadership roles.

What engineers make $300,000 a year?

Senior backend software engineers with extensive experience, specialized skills in areas like distributed systems or cloud computing, and often working at large tech companies or in high-demand industries can earn $300,000 or more annually. Compensation may include base salary, bonuses, and stock options, especially in competitive markets or executive-level roles.

Can you make $500,000 as a software engineer?

Backend software engineers can earn $500,000 or more annually, primarily through high-level positions, senior roles, or in high-cost-of-living areas, often supplemented by bonuses, stock options, or profit sharing. Achieving this level typically requires extensive experience, specialized skills, and working at large tech companies or startups with significant funding.

What is the difference between Backend Software Engineer vs Frontend Software Engineer?

AspectBackend Software EngineerFrontend Software Engineer
Primary FocusServer-side development, databases, APIsClient-side development, UI/UX, visual elements
Required SkillsProgramming languages like Java, Python, SQL; server managementHTML, CSS, JavaScript, frameworks like React or Angular
Work EnvironmentBackend teams, server infrastructure, cloud servicesDesign teams, user interface, web browsers
Common UsageBuilding and maintaining server logic and databasesCreating interactive and visually appealing web pages

While both roles involve web development, Backend Software Engineers focus on server-side logic and data management, whereas Frontend Software Engineers specialize in creating the visual and interactive aspects of websites. Both roles are essential in full-stack development and often collaborate closely.

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

To thrive as a Backend Software Engineer, you need strong programming skills in languages like Java, Python, or Node.js, a solid understanding of data structures, algorithms, and experience with database management, usually supported by a degree in computer science or related fields. Familiarity with tools such as Git, RESTful APIs, cloud platforms (AWS, Azure), and frameworks like Spring or Django is highly valued, and relevant certifications can be advantageous. Problem-solving ability, attention to detail, and effective teamwork are standout soft skills for this position. These skills and qualities are essential to build, maintain, and optimize robust, scalable server-side applications that meet user and business needs.
What are the most commonly searched types of Backend Software Engineer jobs in Bellevue, WA? The most popular types of Backend Software Engineer jobs in Bellevue, WA are:
What are popular job titles related to Backend Software Engineer jobs in Bellevue, WA? For Backend Software Engineer jobs in Bellevue, WA, the most frequently searched job titles are:
What job categories do people searching Backend Software Engineer jobs in Bellevue, WA look for? The top searched job categories for Backend Software Engineer jobs in Bellevue, WA are:
What cities near Bellevue, WA are hiring for Backend Software Engineer jobs? Cities near Bellevue, WA with the most Backend Software Engineer job openings:
Backend Software Engineer jobs near you
Infographic showing various Backend Software Engineer job openings in Bellevue, WA as of July 2026, with employment types broken down into 2% Locum Tenens, 89% Full Time, 4% Part Time, and 5% Contract. Highlights an 82% Physical, 4% Hybrid, and 14% Remote job distribution, with an average salary of $165,733 per year, or $79.7 per hour.

Backend Software Engineer - Saga

Rune Technologies

Seattle, WA • On-site

Full-time

Re-posted 10 days ago

Job description

Job Summary:
Rune Technologies builds mission-critical software for military logistics and sustainment. As a Backend Software Engineer at Rune, you will design and implement production-grade GenAI systems to support logistics technology for the U.S. and allied militaries, working closely with a team of engineers and operational experts.
Responsibilities:
• Design, build, and deploy production-grade GenAI systems -- including RAG architectures, vector databases, LLM integrations, and tool-call frameworks -- in support of Saga, Rune's AI agentic product layer.
• Build and maintain evaluation and testing harnesses to validate LLM output quality and catch regressions in production.
• Collaborate with the broader platform and product teams to integrate AI capabilities into TyrOS workflows.
• Participate in technical design discussions and code reviews, contributing to a culture of engineering rigor and mission focus.
• Triage and debug issues in production, ensuring reliability and rapid iteration in support of operational needs.
• Work closely with engineers, product managers, and military stakeholders to ensure AI systems meet real-world sustainment requirements.
Qualifications:
Required:
• 4+ years of experience in software engineering, with a strong backend foundation -- distributed systems, APIs, production-grade software.
• Hands-on experience building GenAI systems: vector databases, LLM integration, RAG architectures, and evaluation harnesses for LLM output.
• Familiarity with tool routing, tool-call validation, and common LLM failure modes.
• Understanding of the science underlying the systems you build -- not just how to wire them together, but why they work and where they break.
• Background at an AI-native company, or a clear transition from backend engineering into AI specialization.
• Strong sense of ownership and a bias for action.
Preferred:
• Experience with fine-tuning or model evaluation workflows.
• Familiarity with AI infrastructure: embedding pipelines and inference optimization.
• Experience working on software in defense, aerospace, or other complex operational domains.
• Experience deploying software to production environments, including cloud (AWS, Kubernetes) and edge infrastructure.
Company:
Rune Technologies develops AI-enabled predictive logistics solutions for military operations. Founded in 2024, the company is headquartered in Arlington, USA, with a team of 51-200 employees. The company is currently Growth Stage.

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