Principal Software Engineer – Backend
Job in
Kirkland, King County, Washington, 98034, USA
Listed on 2026-08-29
Listing for:
Jobtailor
Full Time
position Listed on 2026-08-29
Job specializations:
-
Software Development
Backend Developer, Cloud Engineer - Software, Software Architect, DevOps
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
- 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
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
- 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
- Leadership
- Mentoring
- Collaboration
- Problem-Solving
- Customer Engagement
- AI-Native Platform
- Architect-Level Role
- Technical Debt Management
- Integrated Solutions
- High-Performance Solutions
- AWS
- Azure
- GCP
- Docker
- Kubernetes
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