Top Software Engineer Jobs in Seattle, WA

Design, build, and maintain backend services and APIs in Go; optimize PostgreSQL schemas and queries; create reliable integrations and orchestration layers; implement observability and security best practices; collaborate across engineering and product to improve developer experience and operate a SaaS platform.

Build and maintain Go-based backend services and REST APIs, design and optimize PostgreSQL schemas/queries, implement observability and security best practices, integrate with third-party systems, and improve developer experience for a SaaS cybersecurity platform.

Build, maintain, and enhance backend systems and APIs for high-traffic products. Collaborate with product and engineering, design REST APIs, work with cloud infrastructure (AWS/GCP), databases, testing, and Serverless/IaC to support cross-platform media experiences.

Design, build, and maintain scalable Java Spring Boot microservices and REST APIs. Deploy and operate cloud-native applications on GCP, implement CI/CD, optimize performance and databases, ensure security and reliability, collaborate with cross-functional teams, and troubleshoot production issues.

Build and maintain Java Spring Boot microservices and serverless functions. Design RESTful APIs, integrate with Vue.js front-end, write unit tests (JUnit/Mockito), deploy containerized apps to AWS EKS and Lambda, and maintain CI/CD pipelines for reliable releases.

Design, build, and scale high-performance Java/Spring Boot microservices and event-driven systems using Apache Kafka. Develop secure REST APIs, deploy containerized apps on AWS EKS, integrate with AWS services, and ensure quality via testing, performance tuning, and CI/CD.

Design, build, and maintain scalable backend services using Java (Spring) and Python (FastAPI/Django). Implement REST/GraphQL APIs, manage SQL and NoSQL databases, develop microservices, ensure security (OAuth2/JWT), write tests (JUnit/pytest), optimize performance, and collaborate with frontend and DevOps teams in Agile.

Design and build backend solutions in the NAV domain using Java/J2EE and Spring. Develop APIs, web services, database schemas, PL/SQL and transactional SQL in DB2/Oracle. Collaborate with tech leads, architects, and DevOps to deliver quality features, participate in code reviews, testing, and CI/CD pipelines.

Design, build, and maintain scalable backend services in Java and Python. Implement RESTful/GraphQL APIs, optimize SQL/NoSQL databases, develop microservices, enforce security (OAuth2/JWT), write unit/integration tests, optimize performance, and collaborate with frontend and DevOps teams in Agile processes.

Design, build, and maintain scalable backend services in Java (Spring) and Python (Django/FastAPI). Implement REST/GraphQL APIs, optimize SQL and NoSQL databases, develop microservices, ensure security (OAuth2/JWT), write tests, improve performance, and collaborate with frontend and DevOps teams in Agile processes.

Design, build, and lead backend Java/J2EE and microservices solutions. Drive API design, cloud containerization (Docker/Kubernetes), CI/CD, database schema and PL/SQL development (DB2/Oracle), code quality, technical mentoring, and cross-team delivery for asset management initiatives.

Design and implement backend services using Java and Spring Boot, deploy to GCP/GKE, work with distributed systems (Spanner, Kafka), optimize complex SQL/PLSQL, build CI/CD pipelines (GitHub Actions, Argo CD), ensure reliability, and provide technical leadership and mentoring.

Design and build backend solutions following architecture and best practices. Develop APIs, web services, database schemas, PL/SQL/stored procedures (DB2/Oracle). Collaborate with senior engineers, participate in code reviews, testing, and coordinate technical delivery across teams. Support CI/CD and improve code quality.

Design, develop, and maintain scalable Java backend services and RESTful APIs. Collaborate with frontend, product, and stakeholders; write clean, tested code; troubleshoot and resolve issues; participate in code reviews; and improve systems, particularly for large-scale distributed environments.

Lead C# .NET Backend Developer to architect, build, and maintain scalable microservices and RESTful APIs using .NET Core. Drive CI/CD, containerization (Docker), Kubernetes orchestration, and Azure deployments. Mentor developers, ensure code quality and security, collaborate with QA and product teams, and champion agile practices.

Seeking backend engineers to build and maintain APIs for payment processing, collaborating with cross-functional teams and mentoring peers.

Design, develop, and optimize high-performance Java backend systems. Contribute to architecture, implement core modules, troubleshoot production issues, perform code reviews, and improve scalability, availability, and reliability of distributed financial or blockchain systems.

Build and maintain production backend services at scale, develop new features and integrations, debug production issues, ensure API backward compatibility, implement efficient auto-scaling, improve tooling and engineering standards, and participate in on-call rotation.

Lead design and implementation of the payment and clearinghouse platforms powering Headway's revenue flows. Build fault-tolerant, observable integrations (Stripe, Plaid, payers), create abstractions for adjacent teams, mentor engineers, and write high-impact code to ensure reliability, throughput, and correct reconciliation of transactions at scale.

Design and build reliable backend services powering clinical data, insurance billing, patient-facing infrastructure, and financial ledger systems. Scale high-integrity systems requiring idempotency, strong consistency, and pragmatic AI integration to automate provider workflows and enable personalized patient experiences.

Build, operate, and scale backend systems for card issuing and transaction processing. Break down projects, collaborate with product and cross-functional teams, write tested extensible code, support monitoring and on-call operations, and participate in team growth activities including interviews.

Lead design and implementation of Affirm's Lakehouse Platform using Iceberg, Spark, Snowflake, and cloud storage. Drive platform roadmap, governance, access controls, performance and cost optimization, analytics engineering best practices, observability, and on-call readiness. Partner cross-functionally, mentor engineers, and build scalable, secure, self-service data infrastructure and semantic/agentic data tools.

As a Full Stack Engineer, you will develop and implement features, APIs, and products, collaborating with cross-functional teams to enhance customer experiences.

Design and implement cloud-based microservices for multiplayer game backends, author design documents, support live features/releases, collaborate with partners and designers, and contribute to a strong technical culture focused on player experience.

As a Senior Backend Engineer, you'll develop, deploy, and monitor microservices, enforce security policies, and improve automation tooling.