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Top Senior Full-Stack Engineer Jobs in Seattle, WA

Reposted 3 Hours Ago
Remote
Seattle, WA
150K-210K
Senior level
150K-210K
Senior level
Artificial Intelligence • Machine Learning • Software • Defense
The Senior Full Stack Engineer will develop geospatial applications, implement algorithms, and mentor peers while collaborating in a cross-functional team.
Top Skills: ElasticsearchJavaScriptPostgresReactRedisS3
Reposted Yesterday
Remote
Hybrid
Seattle, WA
Senior level
Senior level
Cloud • Insurance • Payments • Software • App development • Big Data Analytics
As a Senior Full Stack Developer, you will work in an Agile Scrum team to develop and enhance the Applied Epic software leveraging C#, .NET, React, and SQL Server, while also mentoring junior developers.
Top Skills: .Net 5/6AgileAngularC#CypressGitlabGoKubernetesReactSQL ServerTypescriptVisual Studio
Reposted 2 Days Ago
Remote
Seattle, WA
Senior level
Senior level
Fintech • Software • Financial Services
As a Senior Full Stack Engineer, you'll design and develop a financial platform's frontend and backend, integrating with various data providers while ensuring a great user experience.
Top Skills: AWSElixirPhoenixReactTailwindcssTerraformTypescript
4 Days Ago
Remote
Seattle, WA
150K-214K
Mid level
150K-214K
Mid level
Healthtech
You will build features to improve user experiences for mental health providers and patients, collaborating with teams and ensuring quality standards.
Top Skills: DjangoMySQLPythonReactTypescript
Reposted 5 Days Ago
Remote
Hybrid
Seattle, WA
Senior level
Senior level
Agency • Digital Media • Mobile • Design
The Sr. Full Stack Engineer will lead the development of WordPress-based applications, focusing on UX/UI, API integrations, and performance optimization.
Top Skills: CSSGitHTMLJavaScriptReactRestful ApisWoocommerceWordpress
Reposted 3 Hours Ago
Easy Apply
Seattle, WA
Easy Apply
130K-200K
Senior level
130K-200K
Senior level
Artificial Intelligence • Computer Vision • Machine Learning • Payments • Real Estate • PropTech
Design and maintain backend services for the Metropolis parking platform, guiding development processes and ensuring high system availability and scalability.
Top Skills: Event Driven ArchitecturesJavaMicroservicesMySQLPostgresScala
Reposted 10 Days Ago
Remote
Hybrid
Seattle, WA
100K-140K Annually
Mid level
100K-140K Annually
Mid level
Automotive • Big Data • Insurance • Software • Transportation
Designs and maintains enterprise application systems, aligns application design with strategic direction, creates architectural designs, and supports business systems applications.
Top Skills: Apache AirflowAsync PythonAWSCloudDatadogDockerGitGithub ActionsGraphQLHTMLMongoDBNoSQLOpensearchPostgres SqlPythonReactRestapisSQL
12 Days Ago
Easy Apply
Remote
Hybrid
Seattle, WA
Easy Apply
157K-222K Annually
Senior level
157K-222K Annually
Senior level
Hardware • Information Technology • Security • Software • Cybersecurity • Conversational AI
Develop and maintain large-scale web applications and services for the MX Dashboard. Collaborate with cross-functional teams to enhance security and SD-WAN features while ensuring application performance and stability.
Top Skills: Node.jsPostgresReactReduxRuby On RailsSQL

Featured Jobs

Reposted 2 Days Ago
Easy Apply
Remote
Hybrid
Seattle, WA
Easy Apply
95K-128K Annually
Senior level
95K-128K Annually
Senior level
Artificial Intelligence • Cloud • Computer Vision • Hardware • Internet of Things • Software
The Senior Software Engineer will design and develop scalable solutions using Zendesk and other platforms, collaborating with teams to enhance customer support functionalities.
Top Skills: AIApolloAWSAzureDynamoDBGoGCPGraphQLJavaKotlinMongoDBNoSQLPythonRackspaceReactRestSQLSwiftWorkatoZapierZendesk
Reposted 18 Days Ago
Easy Apply
Remote
Seattle, WA
Easy Apply
132K-207K
Senior level
132K-207K
Senior level
eCommerce • Software • Design • SEO
As a Senior Fullstack Engineer, you'll design and implement scalable services and APIs, collaborate with teams, mentor engineers, and ensure the quality of maintainable code.
Top Skills: Amazon Web Services Ec2ApolloGraphQLJavaScriptLambdasMongoDBNode.jsReactS3Typescript
Reposted 18 Days Ago
Remote
Seattle, WA
135K-205K
Mid level
135K-205K
Mid level
Artificial Intelligence • Machine Learning • Software • Defense
The Senior Full Stack Engineer will build and deliver a platform for managing physical sensors, ensuring end-to-end feature ownership, collaborating with cross-functional teams, and traveling occasionally to meet stakeholders.
Top Skills: JavaScriptNon-Relational Database SystemsReactRelational Database Systems
Reposted 3 Hours Ago
Remote
Seattle, WA
Senior level
Senior level
Artificial Intelligence • Information Technology
As a Senior Full-Stack Software Engineer, you'll build and maintain Synthflow's platform using JavaScript and Python, and collaborate with teams to deliver high-quality solutions.
Top Skills: AWSCSSDockerFastapiGCPGoJavaScriptLangchainNext.JsNode.jsOpenai SdkPythonReactRedisSQLTypescript
24 Days Ago
Remote
Seattle, WA
Senior level
Senior level
Energy
As a Senior Fullstack Engineer, you'll build and establish the foundational infrastructure of our platform, working on both frontend and backend development.
Top Skills: Backend TechnologiesFrontend TechnologiesProject Management Tools
Reposted Yesterday
Remote
Hybrid
Seattle, WA
135K-175K Annually
Senior level
135K-175K Annually
Senior level
Artificial Intelligence • Healthtech • Machine Learning • Natural Language Processing • Software
The role involves developing scalable healthcare applications, leading teams, and participating in technical discussions, requiring strong coding skills and experience in web technologies.
Top Skills: AngularAutomated TestingCi/CdDockerJavaJavaScriptKafkaKubernetesNode.jsPostgresPythonReactSQLTypescriptVuejs
Reposted 2 Days Ago
Easy Apply
Remote
Seattle, WA
Easy Apply
165K-233K
Senior level
165K-233K
Senior level
Consumer Web • Healthtech • Professional Services • Social Impact • Software
Design and implement software architecture, lead engineering teams, mentor junior engineers, evaluate technologies, and support company mission to improve mental healthcare access.
Top Skills: Aws (FargateDatadogEcsFastapiGitKafkaLaceworkNext.JsPagerdutyPostgresPython 3ReactRedisRemixS3)SemgrepSentrySnykSparkSqlalchemyTypescript
Reposted 3 Days Ago
Remote
Hybrid
Seattle, WA
Senior level
Senior level
Artificial Intelligence • Cloud • Mobile • Security • Software
The Senior Software Engineer will evolve the architecture of Hiya's SaaS platform, collaborating on backend services, database design, and integrating AI models.
Top Skills: DockerDocusaurusGCPGithub ActionsKubernetesOpenapiPostgresPythonRustSveltekitTypescript
Reposted 3 Days Ago
Remote
Seattle, WA
186K-219K Annually
Senior level
186K-219K Annually
Senior level
Artificial Intelligence • Blockchain • Fintech • Financial Services • Cryptocurrency • NFT • Web3
Design, develop, and maintain scalable APIs and SDKs, ensuring high performance and security. Interface with customers for feedback and participate in code reviews.
Top Skills: AWSGoJavaJavaScriptKubernetesMemcachedMongoDBMySQLPostgresPythonRedisRubyTypescript
Reposted 3 Days Ago
Easy Apply
Remote
Hybrid
Seattle, WA
Easy Apply
118K-231K Annually
Senior level
118K-231K Annually
Senior level
Big Data • Cloud • Software • Database
The Senior Software Engineer will design, build, and deliver core IAM components while leading UI/UX development and mentoring team members.
Top Skills: C#C++GoJavaJavaScriptReactReduxTypescript
5 Days Ago
Remote
Seattle, WA
176K-208K Annually
Senior level
176K-208K Annually
Senior level
Computer Vision • Healthtech • Information Technology • Logistics • Machine Learning • Software • Manufacturing
Develop and maintain web applications supporting 3D design tools, coordinate cloud storage submissions, and improve API and microservices architecture.
Top Skills: C++GCPGraphQLNestjsNode.jsPostgresReact/ReduxThree.JsTypescript
Reposted 18 Days Ago
Remote
Seattle, WA
6K-6K
Senior level
6K-6K
Senior level
Computer Vision • Healthtech • Information Technology • Logistics • Machine Learning • Software • Manufacturing
As a Senior Full-Stack Software Engineer at Dandy, you will develop and maintain web applications for a suite of 3D design tools, support internal APIs, and collaborate with teams to streamline supply chain processes. You will also advocate for code quality and efficiency improvements while resolving technical challenges.
Top Skills: C++GCPGraphQLNestjsNode.jsPostgresReact/ReduxThree.JsTypescript
Reposted 8 Days Ago
Easy Apply
Remote
Seattle, WA
Easy Apply
175K-205K
Senior level
175K-205K
Senior level
Healthtech • Information Technology • Mobile • Productivity • Software • Analytics • Telehealth
Lead software engineering projects, guide teams, and contribute to high-quality solutions in healthcare technology systems.
Top Skills: JavaScriptRuby on RailsRubyVue
Reposted 4 Days Ago
Hybrid
Seattle, WA
110K-180K
Mid level
110K-180K
Mid level
Information Technology • Software
The Software Developer at LON is responsible for maintaining, enhancing, and integrating their mortgage insurance platform, primarily focusing on frontend development while also understanding backend processes in PHP and Python.
Top Skills: DockerFrontend FrameworksGitMicroservices ArchitecturePHPPythonRest ApiSQL
Reposted 3 Days Ago
Remote
Hybrid
Seattle, WA
121K-257K Annually
Senior level
121K-257K Annually
Senior level
Consumer Web • Coupons • Healthtech • Social Impact • Pharmaceutical
The Sr. Software Engineer at GoodRx will design, build, and iterate on customer-facing flows while leveraging frontend frameworks. Responsibilities include solving customer experience problems, collaborating with developers, implementing architecture patterns, maintaining CI tools, writing unit tests, and mentoring engineers. The role requires a deep understanding of modern web technologies and effective communication skills.
Top Skills: 3Rd Party SdksCi/CdEs6GraphQLNext.JsNode.jsReactRest ApisTailwindTypescript
Reposted 3 Hours Ago
Easy Apply
Remote
Hybrid
Seattle, WA
Easy Apply
170K-200K
Mid level
170K-200K
Mid level
Fintech • Healthtech • Software
Cedar seeks a Software Engineer to enhance patient financial experiences by developing full stack features, collaborating across teams, and improving application reliability.
Top Skills: Code Quality StandardsData ScienceFull Stack DevelopmentProduct Design
Reposted Yesterday
Hybrid
Seattle, WA
195K-343K Annually
Expert/Leader
195K-343K Annually
Expert/Leader
Artificial Intelligence • Cloud • Machine Learning • Mobile • Software • Virtual Reality • App development
As a Staff Engineer, design and scale backend media services, optimize encoding strategies, collaborate across teams, and lead best practices in media platforms.
Top Skills: Backend ServicesDistributed SystemsEncodingMedia ProcessingTranscoding

Top Seattle Companies Hiring Senior Full-Stack Engineers

See All
Cedar Thumbnail
Software • Healthtech • Fintech
2 Offices
340 Employees
Metropolis Technologies Thumbnail
Real Estate • PropTech • Payments • Machine Learning • Computer Vision • Artificial Intelligence
7 Offices
23100 Employees
Snap Inc. Thumbnail
Virtual Reality • Software • Mobile • Machine Learning • Cloud • Artificial Intelligence • App development
25 Offices
5000 Employees
Applied Systems Thumbnail
Software • Payments • Insurance • Cloud • Big Data Analytics • App development
12 Offices
2857 Employees
Vannevar Labs Thumbnail
Software • Machine Learning • Defense • Artificial Intelligence
Fully Remote
130 Employees
Synthflow AI Thumbnail
Information Technology • Artificial Intelligence
Berlin
45 Employees

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