Top Remote Software Engineer Jobs in Seattle, WA

Build and launch scalable fullstack web applications and APIs for Affirm’s Ads Platform. Collaborate with product, design, analytics, and engineering partners to break projects into deliverable phases, make technical trade-offs, write tested and extensible code, monitor service metrics, support on-call operations, review code, and participate in team development and interviews.

Develop backend tools and systems that improve batch development, testing, workflow efficiency, and reliability. Collaborate with product, infrastructure, design, and analytics teams; break projects into deliverable phases; build scalable, well-tested code; monitor metrics; support system availability and on-call operations; debug code; conduct reviews; and contribute to engineering growth and hiring activities.

Build and improve high-traffic consumer web experiences using React and TypeScript. Contribute to experimentation, client-side tagging, marketing integrations, attribution, measurement, performance, testing, observability, and privacy-aware development. Collaborate with Product, Design, Marketing, Analytics, Data Engineering, and senior engineers. Break down projects, write reliable and extensible code, support operations and on-call efforts, participate in code reviews, and contribute to team growth.

Lead the design and development of ETL solutions for regulatory risk compliance at PNC, requiring advanced programming skills and collaboration on data-intensive applications.

Design and implement backend APIs, microservices, and checkout platform components for Affirm’s financial products. Own system health, improve performance and reliability, collaborate across engineering teams, and contribute to technical standards, tooling, and processes. The role requires developing, testing, and shipping high-quality software at scale while making customer-centric technical decisions.

Develop and maintain backend services for OppFi’s financial technology platform. Responsibilities include building Java applications and services, collaborating in an Agile environment, conducting code reviews and testing, documenting best practices, and refining technical requirements into production-ready solutions. The role uses AWS, Docker, PostgreSQL, APIs, and related cloud-native technologies.

Develop and scale backend streaming and data infrastructure using Kafka, Flink, AWS, Kubernetes, and related technologies. Break down projects, deliver tested software, collaborate with product and engineering teams, monitor system availability, participate in on-call support, debug code, conduct code reviews, and contribute to team development.

Build, optimize, and maintain software systems using AI while collaborating across disciplines on healthcare technology. Develop distributed, event-driven systems, learn new languages and frameworks, and protect user privacy through data security and HIPAA-compliant practices. The role works with AWS, Kubernetes, and large-scale medical datasets in a fast-paced, mission-driven environment.

Design, deploy, and optimize Philo’s distributed video streaming infrastructure, including ingest, transcoding, packaging, delivery, RESTful services, analytics pipelines, DRM, and ad insertion. Improve platform reliability, performance, latency, security, video quality, and cost efficiency. Collaborate with content partners and internal video, advertising, client, and data teams while supporting streaming quality across new platforms. The role also involves architectural ownership, cloud operations, and mentoring.

Design, build, and maintain blockchain and payments infrastructure; develop scalable microservices and secure RESTful APIs to transfer value across blockchain and banking protocols; integrate with banks and fintech; own system design, testing, deployment, and troubleshooting; ensure reliability, code quality, and strong test coverage while collaborating with product and engineering teams.

Provides organization-wide technical leadership for Atlassian’s Trusted Data Platform and Data Exchange Platform. Defines architecture and multi-year strategy for cloud-agnostic distributed data infrastructure, streaming, compute, platform intelligence, reliability, and disaster recovery. Leads cross-team initiatives, resolves architectural ambiguity, establishes engineering standards, drives reusable platform capabilities, manages incident response, and mentors senior and principal engineers across distributed global teams.

Design, build, and own scalable microservices and secure APIs that transfer value across blockchain and banking protocols. Extend in-house blockchain infrastructure, integrate with banks and cloud services, troubleshoot production issues, document system and testing procedures, and collaborate with product and engineering teams to deliver reliable payment experiences.

Lead complex card payments acquiring projects from design through production, building and operating highly reliable systems. Apply deep ISO 8583 and card-network expertise to routing, authorization, capture, clearing, settlement, reconciliation, and processing costs. Write production code, develop certification tooling, debug payment messages, establish reusable standards, mentor engineers, use AI coding agents responsibly, and participate in on-call support for critical financial systems.

Architect and build a high-performance trading platform for active traders. Develop responsive web interfaces integrating real-time market data, low-latency execution workflows, and advanced trading tools. Collaborate with cross-functional engineering teams on large-scale initiatives, emphasizing scalability, performance, API quality, maintainability, developer experience, and end-user usability.

Develop and maintain native iOS applications using Swift and SwiftUI for DraftKings’ financial platform. Responsibilities include building user-facing features, integrating APIs, managing data and state, optimizing performance, monitoring crash analytics, participating in code reviews and testing, and troubleshooting reliability issues. The role collaborates with product, design, analytics, and engineering teams to deliver scalable, compliant mobile experiences.

Lead technically complex card payments projects from design through production while writing and operating highly reliable financial systems. Analyze ISO 8583 messages, network mandates, routing, authorization, clearing, settlement, and processing costs. Build production code, testing and certification tooling, shared frameworks, and operational capabilities. Provide technical direction, mentor engineers, participate in design reviews and incident response, and establish safe patterns for AI-assisted engineering on critical payment systems.

Build and launch backend identity decisioning systems that validate consumer identity and satisfy KYC regulations. Collaborate with Product, Compliance, Auth, Fraud, Analytics, and engineering teams; decompose projects, write tested and extensible code, monitor system metrics, support availability and on-call operations, debug code, participate in reviews, and contribute to technical decisions and team development.

Build and deploy full-stack healthcare financial products used by millions of patients. Develop AI- and ML-powered features, integrate LLMs, enhance an AI billing assistant, and create patient payment solutions. Collaborate with product, design, and partner engineering teams to deliver production-ready software. Contribute to technical planning, coordinate complex development efforts, mentor peers, and maintain high standards for testing, code quality, efficiency, and technical debt management.

Develops, tests, deploys, and operates Azure Data product features in highly secured, air-gapped environments. Responsibilities include coding, architecture collaboration, automated testing, incident response, deployment automation, security hardening, telemetry, reliability improvements, and on-call support. The engineer works with partner teams to meet performance, scalability, privacy, compliance, and government customer requirements while using AI tools throughout the software development lifecycle.

Build and maintain full-stack web applications, backend services, and APIs supporting autonomous vehicle remote-assistance operations. Develop operator interfaces, integrate vehicle data and platform services, write tested and reliable code, improve performance, establish monitoring, troubleshoot production issues, and participate in design reviews, documentation, on-call rotations, and team collaboration.

Design, implement, test, and maintain cloud-scale services for security-critical and regulated environments. Build reliable platform components, apply secure-by-design practices, troubleshoot live-site issues, and participate in 24x7 on-call rotations. Collaborate with security, operations, compliance, program management, and engineering teams while developing well-tested code and improving service reliability, monitoring, and operational excellence.

Develops and maintains backend services, internal tools, and agentic workflows for Microsoft 365 air-gapped government clouds. Responsibilities include writing maintainable code, supporting scalable distributed systems, monitoring live services, participating in on-call incident response, improving reliability and automation, collaborating across teams, and incorporating customer requirements. The role requires an active U.S. Government TS/SCI clearance with polygraph and U.S. citizenship verification.

Build and maintain native Windows client components for secure, high-performance remote desktop and device experiences. Develop modern C++ systems software integrating Win32, COM, Windows services, system APIs, devices, and hardware. Diagnose and optimize performance, memory, concurrency, IPC, and reliability issues across user and kernel boundaries. Own features through design, implementation, testing, deployment, telemetry, and production support.

Design, develop, test, deploy, and operate secure Teams Phone services in sovereign and air-gapped cloud environments. Build scalable distributed systems, improve reliability and observability, participate in on-call support, troubleshoot production incidents, and contribute to automation, CI/CD, documentation, and operational excellence. Collaborate with engineering, product, security, privacy, and SRE teams while using AI tools responsibly throughout the software development lifecycle.

Leads complex, multi-month infrastructure projects supporting AI research systems. Designs, builds, and operates reliable, scalable distributed infrastructure; partners with research teams; resolves performance bottlenecks; mentors engineers; drives cross-team technical alignment; and improves incident response, postmortems, and on-call processes. The role requires strong software engineering, cloud infrastructure, architectural decision-making, and technical leadership experience.