Software Engineer Jobs in Bellevue, WA

The Software Engineer II will develop optimization tools for advertising campaigns, enhance machine learning models, and improve bidding systems for real-time performance.

Design and implement identity and access management and AI security capabilities, build scalable authorization frameworks, integrate modern authentication protocols and IdPs, enable secure data sharing and external application access, lead large projects, and drive high-quality code and design reviews.

Own and sustain embedded software for in-service aircraft cabin systems across QNX/Linux/RTOS and bare-metal environments. Diagnose field issues on SoC platforms, perform root-cause analysis, lead hardware/software troubleshooting, manage obsolescence, maintain certification-ready processes, mentor junior engineers, and coordinate cross-functional releases and regression testing.

Maintain and improve embedded software for in-service aircraft cabin systems. Diagnose and resolve field defects across ARM/DSP SoCs and peripherals, lead HW/SW troubleshooting with lab tools, manage component obsolescence, mentor engineers, ensure certification-ready processes, and coordinate cross-functional fixes and releases.

Architect and build scalable, secure backend microservices for Payments, Disbursements, or GRC squads. Implement payment and disbursement workflows, KYC/compliance pipelines, and cloud infrastructure using Google Cloud and Kubernetes. Collaborate cross-functionally, mentor junior engineers, and optimize systems for high throughput, reliability, and regulatory compliance.

Design, build, and scale backend microservices for Payments, Disbursements, or GRC squads. Implement secure, high-performance payment and disbursement workflows, KYC/AML and compliance features, and infrastructure using Google Cloud, Kubernetes, and Terraform. Collaborate cross-functionally, mentor junior engineers, and iterate on platform capabilities using analytics and user feedback.

Architect, build, and scale backend microservices for Payments, Disbursements, or GRC squads; design high-performance, secure payment and disbursement workflows; integrate Google Cloud services and distributed systems; ensure compliance (KYC/AML); collaborate cross-functionally; mentor junior developers; and iterate on platform reliability and performance to support millions of daily requests.

The role involves developing a GUI application for Bluetooth Classic connections on Windows and possibly Linux/MacOS, enabling electronic board programming and testing.

The role involves developing mobile applications primarily on the Android platform, collaborating with a team, and writing maintainable code. Requires strong experience in various platforms and programming languages.

Design, build, and maintain cloud-native security data and infrastructure platforms. Implement ETL/ELT pipelines, automate security controls with Terraform and Python, integrate log sources, and support detection, response, and compliance for federal environments.

As a Senior Software Engineer, you will create and maintain service-oriented solutions, automate processes, and improve operational efficiency while participating in a 24/7 on-call rotation.

Design and implement the carrier-grade VoIP/SIP backbone, build Golang-based SIP services and control planes, configure HA SIP proxies and media servers, implement routing, security (TLS/SRTP), billing and provisioning integrations, define monitoring and capacity planning, and collaborate with product and ops to deliver resilient telephony features.

The Software Engineer will develop full-stack applications using Go, React, and Java, focusing on creating engaging user experiences and leveraging AI to enhance productivity.

Lead design and implementation of IAM and AI security capabilities, build scalable authorization frameworks, integrate identity providers and authentication protocols, enable secure data and application access, lead multi-engineer cross-team projects, and provide high-quality code and design guidance to shape product strategy.

As a Senior Postgres Engineer, you will build a multi-cloud Postgres service, orchestrate databases through Ruby, ensure data protection, and participate in database operations management.

The Principal Software Engineer will design, develop, and support distributed systems, mentor junior engineers, and solve complex scalability issues.

As a Staff Software Engineer focusing on backend, you'll design, implement, and operate micro-services, focusing on large-scale data and AI infrastructure.

As a Staff Software Engineer on the Money team, you'll manage billing systems, develop new pricing strategies, enhance data processing efficiency, and collaborate cross-functionally.

The role involves managing incident tools, automating incident processes, evaluating logging stacks, and enhancing internal developer tooling with observability concepts.

Design, implement, and operate core distributed storage infrastructure for Postgres, NoSQL, and caching at scale. Lead sharding, query routing, proxy services, connection pooling, multi-region failover, observability, and control-plane automation to improve availability, performance, and cost efficiency.

Lead design and implementation of scalable test automation frameworks and test strategies. Partner with cross-functional teams to plan, estimate, and execute front-end, back-end, API, and exploratory testing. Drive V&V activities, defect tracking, root cause analysis, and maintain test plans, suites, and quality documentation to ensure compliance and traceability.

Design, build, and scale backend microservices for Payments, Disbursements, or GRC squads. Implement secure, high-performance payment and disbursement workflows, KYC/compliance systems, and cloud-native infrastructure. Collaborate cross-functionally, mentor junior engineers, and iterate using analytics, feature flags, and gradual rollouts to support millions of daily requests.

The Backend Infrastructure Engineer at Sesame will develop secure, scalable infrastructure, focusing on voice interface, automation, and systems design for efficient service delivery.

Design and build core infrastructure for ML training, develop audio processing pipelines, and set technical direction for the team.

The Staff Software Engineer will lead performance improvements for the incremental view maintenance engine, define roadmaps, mentor engineers, and contribute to technical publications.