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Top Full-Stack Engineer Jobs in Seattle, WA
Fintech • Social Impact
As a Senior Software Engineer II at ActBlue, you will lead projects using Ruby on Rails, React, TypeScript, and PostgreSQL, developing innovative fundraising tools, mentoring engineers, and optimizing performance while ensuring product quality.
Top Skills:
ActiverecordGraphQLPostgresReactRuby On RailsSQLTypescript
Fintech • News + Entertainment • Software • Database • Financial Services
The role requires designing and developing high-quality APIs and backend services, leading teams, mentoring engineers, and managing complex projects to enhance application development.
Top Skills:
AWSC# .NetCi/CdKafkaPostgresRabbitMQRedis
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
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Artificial Intelligence • Blockchain • Fintech • Financial Services • Cryptocurrency • NFT • Web3
As a Senior Backend Engineer at Coinbase, you'll design and build scalable systems, write tested code, and contribute to high-impact projects in the financial technology space.
Top Skills:
BlockchainDockerDynamoDBGoMongoDBPostgresRuby on RailsRuby
Artificial Intelligence • Food • Information Technology • Software • Business Intelligence • Hospitality • Automation
Develop new features and applications for Crunchtime’s restaurant management platform, collaborate with teams, and ensure quality using TDD/CI in an agile environment.
Top Skills:
CouchdbFirebase Realtime DatabaseJavaScriptNode.jsRdbmsReactTypescript
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
Artificial Intelligence • Cloud • Machine Learning • Mobile • Software • Virtual Reality • App development
The Staff Software Engineer will build innovative advertising solutions and backend infrastructure, advocate best practices, and provide technical direction across teams.
Top Skills:
Backend ServicesDistributed SystemsProgrammingSoftware Design
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
Featured Jobs
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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
Artificial Intelligence • Blockchain • Fintech • Financial Services • Cryptocurrency • NFT • Web3
As a Backend Software Engineer at Coinbase, you will develop user features using Golang and JavaScript frameworks, integrate AI/ML tools, and collaborate across teams to enhance customer experiences and compliance processes.
Top Skills:
AIAWSBuildkiteGoJavaScriptKafkaKubernetesMlNoSQLReactSQLTerraform
Computer Vision • Healthtech • Information Technology • Logistics • Machine Learning • Software • Manufacturing
As a Software Engineer II, you'll collaborate with teams to develop new features, improve processes, and enhance user experiences using modern web technologies.
Top Skills:
GraphQLNode.jsPostgresReactTypescript
Cloud • Insurance • Payments • Software • App development • Big Data Analytics
As a Senior Staff Software Engineer, you will design and develop backend solutions primarily using Python, while also engaging in frontend development with React and TypeScript, supporting cloud architecture, and enhancing web applications for the insurance industry.
Top Skills:
AWSAzureDjangoFastapiGCPGCPJavaScriptPythonReactTypescript
Fintech • Mobile • Social Impact • Financial Services
The Software Engineer - Backend will develop features and scale the consumer finance platform, focusing on optimizing APIs for user experience, database performance, and integrating 3rd party services. Responsibilities include algorithm implementation for risk and transaction evaluations and enhancing internal automations.
Artificial Intelligence • Fintech • Machine Learning • Social Impact • Software
As a Software Engineer on the Home Lending team, you will build Upstart’s newest products like HELOC and Mortgage, working on both frontend and backend technologies to enhance code quality and team metrics.
Top Skills:
AWSC#JavaKafkaKotlinKubernetesNext.JsReactSpring BootSQL
eCommerce • Legal Tech • Professional Services • Software • Data Privacy
The Senior Backend Developer will create scalable API systems, collaborate with teams, and enhance the domain registration process.
Top Skills:
APIsJSONRuby On RailsXML
eCommerce • Software • Design • SEO
As a Senior Software Engineer at Webflow, you'll design and develop user interfaces for optimization and analytics products. Responsibilities include building scalable APIs, enhancing user experience through performance optimization, and collaborating with cross-functional teams. You'll tackle complex technical challenges and contribute to production code that impacts all customers.
Top Skills:
CSSHTMLJavaScriptNode.jsReactTypescript
Insurance • Legal Tech • Social Impact
Design and operate APIs, evaluate storage technologies, review and test code, and mentor teammates on best practices to support Atticus' mission and growth.
Top Skills:
AWSBig DataCircleCICockroachdbDockerGCPGitGoGoogle SpannerGraphQLHadoopHttp RestJavaJavaScriptKubernetesPythonRubyScala
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
Artificial Intelligence • Blockchain • Fintech • Financial Services • Cryptocurrency • NFT • Web3
Lead backend engineering for a new product at Coinbase, handling the design, coding, and collaboration needed for launch. Focus on high-quality, customer-driven development in fintech.
Top Skills:
DockerGoMongoDBPostgresRuby on RailsRedshiftRubySinatra
Edtech
The Full Stack Engineer will develop end-to-end solutions, focusing on user experiences with HTML5, CSS3, JavaScript, and PHP. Responsibilities include UI development, API development, coding best practices, and collaboration in an Agile environment.
Top Skills:
AngularCSS3DoctrineHTML5JavaScriptJqueryLaravelPHPSassSlim FrameworkSmartyWebpack
Information Technology
As a Full Stack Engineer, you will develop and maintain web applications for fraud analysis, collaborating with cross-functional teams to enhance products and drive agile delivery.
Top Skills:
AWSDockerGoPostgresPythonReact
HR Tech • Other • Professional Services
Join a team to create training data for AI models. Responsibilities include evaluating AI-generated code, building React components, and writing JavaScript. Requires strong coding skills with flexible hours.
Top Skills:
AngularContext ApiCypressJavaScriptJestMobxNext.JsReactReact Testing LibraryReduxTypescriptVue
Artificial Intelligence • Software
The Founding Full-stack Engineer will design, develop and maintain scalable software applications, working with AI technologies and engaging with customers for feedback.
Top Skills:
Ai TechnologiesDevops Practices And ToolsLarge Language Models (Llms)Playwright
Information Technology • Software • Consulting
As a Mid-level Full-stack Engineer, you will lead development on scalable systems, integrate SaaS with e-commerce platforms, and mentor engineers while ensuring quality code and continuous improvement.
Top Skills:
AWSDjangoDockerEs6+JavaScriptKubernetesNode.jsPythonReact NativeRxjsTypescript
Artificial Intelligence • Machine Learning
As a Fullstack Engineer at Arize, you will develop and maintain OSS offerings, focusing on both front-end and back-end technologies while iterating based on user feedback and collaborating with cross-functional teams.
Top Skills:
Cloud ServicesDatabasesDockerGraphQLNode.jsPythonReactTypescript
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