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Principal Software Engineer – Backend

Job in Kirkland, King County, Washington, 98034, USA
Listing for: Jobtailor
Full Time position
Listed on 2026-08-29
Job specializations:
  • Software Development
    Backend Developer, Cloud Engineer - Software, Software Architect, DevOps
Salary/Wage Range or Industry Benchmark: 180000 - 260000 USD Yearly USD 180000.00 260000.00 YEAR
Job Description & How to Apply Below
  • Design and deploy scalable, high-performance solutions across the stack (backend, frontend, and beyond), and establish the architectural standards for reliability, security, and performance the team builds against
  • Help build our AI-native platform - designing agentic workflows that plan, call tools, and run multi-step tasks in production, not just as prototypes
  • Stay close to customers - understand their real workflows, sit with their hardest problems, and carry that context back into the architecture and roadmap
  • Lead and mentor engineers across disciplines, promoting best practices in coding, testing, and deployment
  • Partner with product managers, engineers, and other stakeholders to define requirements and deliver integrated solutions that meet both business and technical needs
  • Own the lifecycle of complex, multi-area projects - ensuring timely, high-quality delivery, resolving hard technical issues, and managing technical debt with the judgment to keep momentum
  • Document key architectural designs and decisions, and share knowledge so the team can build, debug, and learn faster
Requirements
  • Bachelor's degree in Computer Science or a related field, with 14+ years of experience, including 4+ years in a principal or architect-level role
  • Deep expertise designing and implementing scalable, distributed systems, with strong command of software design patterns and architectural best practices
  • Expertise in modern programming languages and frameworks (e.g., Python, Node.js, Java)
  • Strong knowledge of database systems (e.g., SQL, No

    SQL), RESTful APIs, and microservices architecture
  • Hands-on experience building and shipping GenAI or AI-agent capabilities in production - connecting models to tools, APIs, and search to run real multi-step workflows
  • Experience with retrieval and semantic search to ground models in real data is a strong plus, along with good instincts for keeping AI output accurate and cost and latency in check
  • Fluency with cloud platforms (AWS, Azure, or GCP) and containers (Docker, Kubernetes), and comfort with modern Dev Ops and CI/CD practices
Core Competencies

Demonstrates deep expertise in designing and implementing scalable, distributed systems, with a strong command of software design patterns and architectural best practices. Proficient in building AI-native platforms and managing complex projects while ensuring high-quality delivery and effective collaboration with cross-functional teams.

Highest-signal resume keywords
  • Scalable Distributed Systems Design
  • AI-Agent Capabilities Development
  • Cloud Platforms (AWS, Azure, GCP)
  • Modern Programming Languages (Python, Node.js, Java)
  • Microservices Architecture
ATS Optimization Keywords Hard Skills
  • Software Design Patterns
  • Architectural Best Practices
  • Database Systems (SQL, No

    SQL)
  • RESTful APIs
  • Dev Ops Practices
  • CI/CD Practices
  • Containerization (Docker, Kubernetes)
  • Semantic Search
  • Retrieval Systems
  • Multi-Step Workflow Implementation
Soft Skills
  • Leadership
  • Mentoring
  • Collaboration
  • Problem-Solving
  • Customer Engagement
Industry Keywords
  • AI-Native Platform
  • Architect-Level Role
  • Technical Debt Management
  • Integrated Solutions
  • High-Performance Solutions
Tools & Technologies
  • AWS
  • Azure
  • GCP
  • Docker
  • Kubernetes
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