Top Software Engineer Jobs in Seattle, WA

Build backend services and web interfaces for Qualtrics XM Directory. Implement features, fix bugs, write and review tested code, collaborate with senior engineers, product, and design, and contribute to agile delivery. The role involves learning scalable SaaS development, distributed systems, databases, frontend development, developer tools, operational tooling, containerization, and AI-assisted engineering practices while supporting data infrastructure for AI-powered customer experiences.

Build scalable backend services and web interfaces for Qualtrics XM Directory. Responsibilities include implementing features, optimizing performance, owning components through delivery, contributing to technical designs, writing tested code, participating in code reviews, and collaborating with product, design, and engineering teams on distributed data infrastructure.

Develop and support C++ features for Lens Engine and Lens Studio, enabling augmented reality experiences across Snapchat and Specs. Contribute to agentic development tooling, architecture, technical roadmaps, code reviews, and cross-functional engineering efforts. Improve code quality, reliability, performance, testing, maintainability, and developer productivity while integrating AI-assisted workflows and systems.

Build and operate scalable backend services and Kafka/Flink stream-processing pipelines for telemetry from hundreds of thousands of IoT devices. Develop APIs, process geofencing and asset-location data, collaborate with embedded and IoT teams, improve reliability and code quality, manage AWS infrastructure, and mentor engineers.

Develops secure, scalable software solutions within an agile team. Responsibilities include application design, coding, testing, troubleshooting, architecture documentation, data analysis, visualization, and operational stability. The role also uses enterprise-authorized AI-assisted development tools responsibly, validates generated outputs, improves coding practices, and supports CI/CD, resiliency, and security standards.

Design, implement, test, debug, and operate scalable backend services such as identity, friend graph, and persistence systems. Collaborate across teams to deliver product solutions while maintaining availability, scalability, security, operational excellence, and cost efficiency. Investigate incidents and hotfixes, apply distributed-systems best practices, and use AI-assisted development tools while auditing output for quality and security.

Develop, test, and deploy scalable full-stack software for a billing platform and high-availability environments. Build backend and frontend components using Java, Spring Boot, Node.js, Angular, databases, microservices, and event-driven technologies. Apply DevOps tools, cloud platforms, AI tools, and current frameworks; analyze requirements, design solutions, document code and systems, collaborate with technical teams, and mentor colleagues.

Designs and builds production backend systems and APIs in a TypeScript monorepo. Responsibilities include developing AI infrastructure, orchestrating agents, modeling PostgreSQL data, integrating HRIS and third-party APIs, and ensuring observability, monitoring, testability, and scalability. The engineer collaborates with product and design, participates in technical decisions and code reviews, and owns architecture, correctness, customer impact, and delivery quality.

Builds large-scale, cross-platform development infrastructure for CrowdStrike’s Falcon sensor. Responsibilities include architecting test frameworks, release and dependency-management systems, CI pipelines, developer APIs, and tools across Windows, Linux, and macOS. The role focuses on improving build reliability, developer feedback, deployment processes, and productivity while collaborating with distributed sensor teams. Python expertise is central, with C/C++ integration and AI-assisted development experience beneficial.

Develop and scale full-stack web applications for Toast’s digital storefront, including online ordering and website products. Design solutions, improve performance and usability, collaborate with Product and Design, run experiments, resolve critical issues, and contribute to API design, testing, and cross-team product integration.

Develop and scale full-stack software that calculates and delivers restaurant employee pay, including tip pooling, wage calculations, earnings retrieval, and payroll delivery. Responsibilities include designing reliable services, participating in code reviews and architecture discussions, influencing technical roadmaps, and collaborating with product, design, and engineering teams. The role requires backend development, modern web technologies, databases, distributed systems, messaging, microservices, and a strong focus on precision and production reliability.

Build and maintain developer tooling, internal platforms, testing frameworks, and core libraries used by Toast engineers. Improve development workflows, diagnose bottlenecks, integrate AI-assisted tools, measure developer productivity, operate production services, participate in on-call support, and collaborate with engineering teams on platform improvements.

Develop end-to-end frontend and backend software solutions for the Anti-Money Laundering function. Build secure APIs, scalable applications, databases, data models, and data pipelines. Collaborate with cross-functional and senior engineering teams to translate business needs into software, metrics, dashboards, and data visualizations. Participate in architecture decisions, testing, performance optimization, and application stability efforts while following development best practices.

Develop, deploy, and maintain full-stack internal software tools for Shield AI teams. Collaborate with stakeholders to refine requirements, architect robust solutions, and deliver tools that improve team workflows. The role involves supporting a varied suite of applications, from aircraft physics analysis tools to ticket-tracking systems.

Develop and deploy data solutions using Palantir Foundry and AIP for client engagements. Lead technical teams, coach team members, analyze system interactions, build applications with large datasets, and apply data engineering and analytics to deliver client outcomes. The role also includes managing client relationships, planning and executing projects, encouraging technology adoption, resolving stakeholder conflicts, and driving continuous improvement.

Leads the development and deployment of data solutions using Palantir Foundry and AIP. Manages engineering teams, coaches team members, oversees project planning and execution, analyzes system interactions, manages client relationships, and drives innovation. The role applies software engineering, data engineering, analytics, and AI/ML techniques to deliver scalable client solutions while maintaining technical and professional standards.

Leads the development and deployment of software and data solutions using Palantir Foundry and AI/ML technologies. Responsibilities include data engineering, analytics, system improvement, client account management, project ownership, team leadership, coaching, stakeholder engagement, and continuous improvement. The role requires building scalable applications with large datasets and delivering customer-focused solutions.

Build and maintain scalable full-stack web applications for Snap’s user-facing products. Develop interfaces and services, optimize performance, contribute to shared libraries, analyze operational and engagement metrics, and use AI-assisted workflows while maintaining code quality, security, scalability, and production readiness.

Provides technical leadership on complex, high-impact engineering projects from design through launch. The role involves architecture, company-wide initiatives, engineering excellence, mentoring technical leaders, and establishing standards for scalable, reliable, secure, observable systems. The engineer will collaborate across teams, communicate complex technical topics, and apply customer-focused decision-making and A/B testing techniques.

Paid 12-week software engineering internship involving coding and shipping product features, full-lifecycle development, technical training, mentorship, and collaboration on Atlassian cloud and core products. Interns will apply programming, data structures, algorithms, and software design fundamentals while working with senior engineers. Preferred experience includes prior software engineering projects or internships, AI/ML exposure, and familiarity with design patterns.

Build and operate high-throughput backend services for AI agents, calendar, scheduling, integrations, real-time data pipelines, and APIs. Design platform infrastructure, event-driven systems, and client-server protocols using Go, PostgreSQL, Kubernetes, and cloud platforms. Collaborate with AI, product, and frontend teams, improve reliability through testing and infrastructure as code, and mentor junior engineers.

Develop and maintain scalable Python software, integrations, and web applications. Collaborate with QA, IT operations, analysts, and stakeholders in an Agile/Scrum environment. Design technical solutions, translate workflows into requirements, participate in code reviews and Scrum ceremonies, optimize relational and non-relational database queries, troubleshoot production issues, and improve application performance and security.

Develop scalable, resilient full-stack software for Redfin’s high-traffic rental search experiences. Build consumer-facing ReactJS interfaces, Java services, data ingestion pipelines, and supporting infrastructure on AWS. Apply AI to improve development efficiency, balance infrastructure and business trade-offs, collaborate with product and engineering stakeholders, lead features, and participate in on-call support for production reliability.

Develop, test, support, and troubleshoot production software for a TLD registry platform. Collaborate with experienced engineers to build scalable, reliable solutions using cloud technologies, databases, web applications, services, and background systems. Participate throughout the software development lifecycle, provide on-call support, identify root causes, and improve system performance and maintainability while supporting global business operations.

The Founding Engineer will lead the development of Sailor Health's AI-powered platform, building systems for patient care and mentor the engineering team.