Top Software Engineer Jobs in Seattle, WA

The Senior Software Engineer will design and build scalable AI/ML backend systems, develop data pipelines, and collaborate with cross-functional teams to implement ML-driven features while ensuring system performance and documentation.

Own platform-wide reliability engineering for 99.9%+ uptime. Design failover, multi-region deployments, database replication, disaster recovery, observability, synthetic monitoring, SLO alerting, incident management, chaos engineering, and resilience patterns. Build dependency mirrors and automation while influencing architecture and establishing reliability standards across teams. The role requires expertise in distributed systems, AWS, databases, Datadog, JVM performance, Java or Scala, and production operations at scale.

As an AI Native Software Engineer, you'll build products using AI coding agents, translating customer needs into solutions, and ensuring quality delivery and documentation.

As a Forward Deployed Engineer at Remitly, you will leverage AI agents to build applications, translate customer needs, and evaluate outputs for quality and security, focusing on delivery speed and robustness.

As an Agentic Software Engineer, you'll build and deploy production-grade AI systems, reverse-engineer existing software, guide teams, and facilitate customer discovery.

Develop full-stack, data-centric applications using Python, TypeScript, React, AWS, APIs, data pipelines, and GenAI capabilities. Responsibilities include designing technical solutions, provisioning data for AI workflows, building ingestion and analytics systems, automating testing, supporting applications throughout their lifecycle, reducing technical debt, and collaborating with data scientists, product managers, and stakeholders in an agile environment.

Build and scale Go backend services for agent quoting, configuration, and application submission. Design APIs and distributed systems, write unit and integration tests, resolve partner-specific issues, contribute to architecture, support production debugging, improve CI/CD automation, and use AI coding tools in daily engineering workflows. Collaborate with adjacent teams and mentor teammates through pairing and documentation.

Design, build, and operate scalable software services supporting insurance shopping, booking, servicing, and claims. Lead complex technical initiatives, make architectural decisions, integrate AI/ML solutions, and ensure reliability, security, observability, and performance. Mentor engineers, collaborate across product and engineering teams, define metrics, and drive continuous improvement across distributed systems and customer-facing platforms.

The Software Engineer will enhance the structured data storage layer in Superhuman Docs, ensuring database reliability, performance, and correct data handling under varying workloads. Responsibilities include improving table management, server-side query planning, and collaborating on formula and sync processes.

Design, build, and maintain scalable backend payment services supporting global payment processing. Implement secure data handling, improve reliability via observability and automation, apply software design principles, collaborate with cross-functional teams, and contribute to architecture and GenAI-driven improvements for high-availability, production systems.

Design, build, and operate scalable Java backend services (microservices/REST) for Expedia's air supply platform. Own end-to-end lifecycle including design, testing, deployment, monitoring, incident response, and performance optimization. Collaborate with product, design, and partners and apply data-driven and AI/ML approaches to improve reliability and user outcomes.

Senior Software Engineer role at Atlassian with flexible work options across countries where the company has legal entities. The provided description contains no specific engineering responsibilities or qualifications. Compensation includes a U.S. base salary range of $149,400 to $235,000, varying by geographic zone, plus potential benefits, bonuses, commissions, and equity.

Leads complex software engineering initiatives from technical design through launch, provides architectural and technical leadership, drives engineering standards, mentors engineers, and collaborates across teams on company-wide projects. Requires deep experience building and operating scalable systems with strong testing, reliability, security, and observability practices, plus full-stack development expertise and familiarity with A/B testing.

Principal Software Engineer role at Atlassian with flexible remote, office, or hybrid work options. The provided description primarily details compensation, benefits, company culture, equal employment practices, and employment verification requirements; specific responsibilities and technical qualifications are not included.

Provides technical leadership on complex software projects from design through launch, addressing architecture, reliability, security, testing, and observability at scale. Leads company-wide engineering initiatives, establishes technical standards, mentors engineers, and promotes engineering excellence. Requires extensive full-stack development experience, strong communication, systems engineering expertise, customer-focused decision-making, and familiarity with A/B testing.

Senior Software Engineer role at Atlassian with flexible work-location options. The provided description contains compensation details, benefits, company information, and equal opportunity statements, but no specific responsibilities, technologies, or qualifications because the job description section is missing.

Leads delivery of software features and services for Walmart’s creative advertising platform. Responsibilities include designing, coding, testing, deploying, and maintaining scalable software; integrating AI/ML components and APIs; conducting code reviews; debugging; translating business requirements into technical solutions; and supporting CI/CD, monitoring, observability, and continuous improvement. The role requires strong collaboration, technical judgment, and a product-oriented mindset.

Design, prototype, implement, test, deploy, and improve scalable intelligent software systems using agentic coding tools. Build multi-agent workflows with coordination and dynamic task execution, establish observability and traceability, and improve systems through real-world feedback. Collaborate across business, product, and engineering teams, contribute to AI-native development practices, and train others on agentic application development.

Design, build, deploy, and maintain highly scalable workflow platform infrastructure supporting distributed fulfillment systems. Benchmark platforms, monitor reliability, manage capacity, maintain 99.995% uptime, and lead incident response. Analyze open-source platform components, resolve critical system issues, improve operational excellence, and collaborate across teams. The role also involves coaching engineers, gathering requirements, and developing technical designs for mission-critical, high-throughput backend services.

Design, develop, and maintain ground control and mission-planning software for the X-BAT platform. Build full-stack, low-latency, fault-tolerant systems for telemetry fusion, operator UIs (React/TypeScript), communication interfaces, and integrations with autonomy and flight teams. Lead feature development, write well-tested code, and collaborate across embedded, UX, and flight-test teams to deliver field-ready solutions.

Design, implement, and maintain scalable, secure cloud-native services for partner onboarding, account enrollment, identity, authorization, and Partner Center platform capabilities. Build APIs, improve availability and observability, enforce security controls (MFA, auth), and apply AI-enabled tools and automation to enhance platform operations and engineering productivity.

Design, implement, test, and maintain Windows update client features and tooling to improve reliability, security, and delivery. Collaborate across teams, monitor releases, resolve issues, and mentor junior engineers.

Develop backend software powering Microsoft Search, Bing, Copilot, and AI experiences. Responsibilities include gathering requirements, designing architectures, writing maintainable code, testing and automation, telemetry, reliability, observability, compliance, and large-scale operations. The role requires software engineering expertise and may involve AI/ML frameworks, big data systems, cloud services, and debugging across client and server layers.

Design, develop, deploy, and operate highly available Azure cloud services for sovereign and government environments. Solve distributed-systems and infrastructure problems, drive technical designs and projects end to end, improve reliability through automation and monitoring, collaborate across teams, and mentor engineers.

Design, implement, review, and ship Azure Functions platform and open-source components in C# and other languages. Build scalable, secure, diagnosable distributed systems for serverless and AI workloads, collaborate on architecture, automate deployment, and apply AI tools across the SDLC.