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 ...
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 ...
As a Backend Software Engineer, you will design and implement production GenAI systems to support advanced logistics algorithms and modern AI-enabled software for military applications.
As a Backend Software Engineer, you will design and implement production GenAI systems to support advanced logistics algorithms and modern AI-enabled software for military applications.
DAT.com/company Job Application Deadline: 08/31/2026 Candidate profile As a Staff Backend Software Engineer, you will be a key technical leader, responsible for the design, development, and delivery ...
DAT.com/company Job Application Deadline: 08/31/2026 Candidate profile As a Staff Backend Software Engineer, you will be a key technical leader, responsible for the design, development, and delivery ...
DAT.com/company Job Application Deadline: 08/31/2026 Candidate profile As a Staff Backend Software Engineer, you will be a key technical leader, responsible for the design, development, and delivery ...
DAT.com/company Job Application Deadline: 08/31/2026 Candidate profile As a Staff Backend Software Engineer, you will be a key technical leader, responsible for the design, development, and delivery ...
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Seattle, WA · On-site
$130 - $180/hr
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Seattle, WA · On-site
$130 - $180/hr
As a Backend Software Engineer at Rune, you will be part of a high-impact team working at the intersection of advanced logistics software, physical systems, and complex data integrations--all in ...
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ABOUT THIS ROLE As a Staff Backend Software Engineer at LVT, you will serve as a primary technical authority driving the design, performance, and scaling of our core backend architecture. Partnering ...
ABOUT THIS ROLE As a Staff Backend Software Engineer at LVT, you will serve as a primary technical authority driving the design, performance, and scaling of our core backend architecture. Partnering ...
ABOUT THIS ROLE As a Staff Backend Software Engineer at LVT, you will serve as a primary technical authority driving the design, performance, and scaling of our core backend architecture. Partnering ...
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ABOUT THIS ROLE As a Staff Backend Software Engineer at LVT, you will serve as a primary technical authority driving the design, performance, and scaling of our core backend architecture. Partnering ...
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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 ...
Senior Backend Software Engineer
$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 ...
Senior Backend Software Engineer
$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 ...
Junior Backend Software Engineer information
See Seattle, WA salary details
$52.9K - $62.8K
2% of jobs
$62.8K - $72.7K
3% of jobs
$72.7K - $82.6K
16% of jobs
$83.4K is the 25th percentile. Wages below this are outliers.
$82.6K - $92.4K
44% of jobs
$92.4K - $102.3K
10% of jobs
$103K is the 75th percentile. Wages above this are outliers.
$102.3K - $112.2K
7% of jobs
$112.2K - $122.1K
6% of jobs
$122.1K - $132K
5% of jobs
$132K - $141.8K
5% of jobs
$141.8K - $151.7K
1% of jobs
$151.7K - $161.6K
0% of jobs
$52.9K
$107.6K
$161.6K
How much do junior backend software engineer jobs pay per year?
As of Aug 24, 2026, the average yearly pay for junior backend software engineer in Seattle, WA is $107,592.00, according to ZipRecruiter salary data. Most workers in this role earn between $83,100.00 and $108,700.00 per year, depending on experience, location, and employer.
What does a junior backend software engineer do?
A Junior Backend Software Engineer is responsible for developing and maintaining the server-side logic and databases that power web applications. They typically work with programming languages like Python, Java, or Node.js, and collaborate closely with frontend developers, QA engineers, and product teams to ensure seamless data flow and application performance. Their tasks often include writing APIs, managing databases, debugging code, and learning best practices for code efficiency and security. As juniors, they are also expected to learn from senior engineers and gradually take on more complex responsibilities as they gain experience.
What are some common challenges faced by junior backend software engineers during their first year on the job?
Junior Backend Software Engineers often encounter challenges such as understanding and adapting to large, existing codebases, navigating code review processes, and learning to write efficient, maintainable code that meets team standards. Collaboration with frontend developers and DevOps teams can also be new, requiring effective communication to ensure seamless integration. Overcoming these challenges typically involves asking questions, seeking mentorship, and dedicating time to continuous learning and documentation review.
What are the key skills and qualifications needed to thrive as a junior backend software engineer, and why are they important?
A Junior Backend Software Engineer should have a solid understanding of programming languages like Java, Python, or Node.js, as well as knowledge of data structures, algorithms, and basic database management. Familiarity with frameworks (such as Spring or Django), RESTful APIs, version control systems like Git, and cloud platforms is often required. Strong problem-solving abilities, attention to detail, and effective communication help junior engineers collaborate and learn within development teams. These skills ensure code quality, system reliability, and growth in a fast-paced technical environment.
What are the most commonly searched types of Backend Software Engineer jobs in Seattle, WA?
The most popular types of Backend Software Engineer jobs in Seattle, WA are:
What are popular job titles related to Junior Backend Software Engineer jobs in Seattle, WA?
For Junior Backend Software Engineer jobs in Seattle, WA, the most frequently searched job titles are:
What job categories do people searching Junior Backend Software Engineer jobs in Seattle, WA look for?
The top searched job categories for Junior Backend Software Engineer jobs in Seattle, WA are:
What cities near Seattle, WA are hiring for Junior Backend Software Engineer jobs?
Cities near Seattle, WA with the most Junior Backend Software Engineer job openings:
Backend Software Engineer - Saga
Seattle, WA • On-site
Rune Technologies
Full-time
Re-posted 4 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.
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.