20 senior fullstack developer jobs at 13 companies in Mountlake Terrace, WA

3mo
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Fullstack Senior Software Engineer
Austin or Bellevue
$111k-$172k/yr HybridFull Time
Visa
VisaNYSE: V: Global leader in digital payments and transaction technology.
3+ YOESenior software engineer with front-end and back-end expertise; strong collaboration and problem-solving skills; 3+ years for Bachelor’s or 5+ years experience alternative.
HTML, Java, C++, C#, CSS, JavaScript, Python, APIs, Angular, React, Kubernetes, Docker, Git
4d
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Fullstack Engineer, App Platform
San Francisco or Seattle or New York City or Los Angeles or United Kingdom or Ireland or Poland or Germany or Australia
$207k-$230k/yr HybridFull Time
Whatnot
Whatnot: Live shopping marketplace connecting buyers and sellers.
5+ YOERequires 5+ years of software development experience, a bachelor's degree or equivalent experience, React and GraphQL web development, scalable fullstack systems expertise, and strong product, ownership, mentoring, and problem-solving skills.
React, GraphQL, Next.js, Node, Python, Postgres
1mo
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Senior Fullstack Software Development Engineer
Seattle, Washington, United States
$180k-$225k/yr HybridFull Time
Remitly
RemitlyNASDAQ: RELY: Digital financial services provider for cross-border money transfers.
6+ YOE6+ years software development, 3+ years React/React Native, proficiency with TypeScript/JavaScript/Java/Kotlin/Go/Python, distributed systems experience, cloud (AWS/GCP/Azure), AI tool usage, on-call participation.
TypeScript, React, React Native, Java, Kotlin, Go, Python, JavaScript, AWS, GCP, Azure, Claude Code
3mo
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Senior Software Engineer, Fullstack
Seattle, Washington, United States
$126k-$189k/yr OnsiteFull Time
Allen Institute for Artificial Intelligence
Allen Institute for Artificial Intelligence: Ai2 is a Seattle-based nonprofit AI research institute building AI models and tools for scientists and engineers.
8+ YOE8+ years software development; JavaScript/HTML/CSS; Python; React; cloud platforms (AWS or Google Cloud); analytics/observability tools; AI-enabled applications; strong communication.
React, Python, AWS, Google Cloud, Datadog, Heap
3w
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.NET Azure Fullstack Developer
Bellevue, Washington, United States
$90k-$107k/yr OnsiteFull Time
Tata Consultancy Services
Tata Consultancy ServicesBSE: 532540: Global leader in IT services, consulting, and business solutions.
10+ YOEBachelor's degree in Computer Science or equivalent experience; 10+ years creating distributed systems in C#, with strong coding, problem-solving, and architecture skills.
C#, .NET, Microsoft Azure, Kusto, Power BI, Azure Cosmos DB, Azure Functions, Microsoft SQL Server, Azure Data Factory
2w
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Senior Fullstack Software Engineer
San Francisco or New York or Seattle or Little Rock
HybridFull Time
LiveRamp
LiveRampNYSE: RAMP: Public data collaboration platform helping brands, publishers, retailers, and media platforms unify, activate, and measure data.
5+ YOERequires 5+ years of software engineering experience, scalable distributed systems expertise, backend programming proficiency, and strong ownership. Bachelor's degree or equivalent practical experience required.
Go, Java, Python, TypeScript, React, Kubernetes, Google Cloud Platform
3d
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Senior Software Engineer (Fullstack) - Scribd Core
San Francisco or Ottawa or Phoenix or Toronto or Los Angeles or Denver or Salt Lake City or Atlanta or Chicago or Houston or Portland or New York City or Vancouver or San Diego or Washington, D.C. or Sacramento or Jacksonville or Seattle or Mexico City or Austin or Miami or Boston or Dallas
$124k-$226k/yr HybridFull Time
Scribd, Inc.
Scribd, Inc.: AI-powered knowledge serving global readers, professionals, and learners through document, presentation, reading, and social book platforms.
6+ YOE6+ years of full-stack development experience with React and Next.js or Ruby on Rails; cloud service maintenance, incident response, and strong performance, accessibility, SEO, collaboration, and code quality skills.
Ruby on Rails, React, Next.js, GraphQL, Node, Python, Go, Microfrontend, SEO, AEO
2d
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Java FullStack Engineer
Chennai or Bengaluru or Pune or Hyderabad or Milpitas or Seattle or Princeton or Cape Town or London or Zurich or Singapore or Mexico City
RemoteFull Time
Zensar
ZensarNSE: ZENSARTECH: Experience-led digital solutions and engineering services.
10+ YOERequires 10–16 years of experience with Java, Spring Boot, REST APIs, Angular, TypeScript, Oracle, Git, OpenAPI/Swagger, microservices, Kafka, and OAuth2/JWT security.
Java, Spring Boot, REST APIs, Angular, TypeScript, Oracle, Git, OpenAPI/Swagger, Spring Microservices, GitHub Copilot, Kafka, OAuth2, JWT, Elasticsearch, Jenkins, Kubernetes, OpenShift, Azure, OpenAI, Azure OpenAI, RAG, Vector Databases, MCP
1w
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Staff Software Engineer, Fullstack-MarTech
New York City or San Francisco or United States or Los Angeles or Seattle or Austin or Washington, D.C. or Philadelphia or San Diego or Chicago or Atlanta or Salt Lake City or Australia or Canada or South America
$170k-$250k/yr HybridFull Time
Flex
Flex: Private fintech helping renters split rent payments and properties collect rent on schedule.
8+ YOERequires 8+ years software development, 6+ years Java, 3+ years TypeScript and React, plus AWS, scalable APIs, event-driven systems, web performance, and cross-functional communication experience.
Java, Spring Boot, TypeScript, React, AWS, Spring, Gradle, JUnit, JVM, EKS, Aurora RDS, ElastiCache, DynamoDB, REST APIs, Braze, Singular, AppsFlyer, Branch, Google Tag Manager, Amplitude, LaunchDarkly, Meta, Google, TikTok, Apple, Snowflake, GitHub Actions, git, DataDog, CDK, Terraform, React Native
1mo
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Sr. FullStack Software Engineer
Bellevue, Washington, United States
$120-$200/yr HybridFull Time
Practice by Numbers
Practice by Numbers: Dental software providing an all-in-one operations, analytics, communications, payments, and marketing platform for dental practices.
5+ YOE5+ years full‑stack experience with Python/Django and React; experience building scalable SaaS, comfort with cloud (AWS/GCP/Azure), CI/CD, RESTful APIs, WebSockets, and AI/ML integrations.
Python, Django, React, Cursor, Windsurf, AWS, GCP, Azure, CI/CD, RESTful APIs, WebSockets
3w
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Principal Software Engineer, Copilot Discover Fullstack
Redmond, Washington, United States
$143k-$275k/yr HybridFull Time
Microsoft
MicrosoftNASDAQ: MSFT: Multinational technology providing software, cloud, and AI solutions.
6+ YOEBachelor's degree and 6+ years engineering experience; coding in C/C++/C#/Java/JavaScript/Python; TypeScript and React/NextJS/Web Components experience; ML model deployment and prompt strategy; pass Microsoft Cloud background check.
C, C++, C#, Java, JavaScript, Python, TypeScript, React, NextJS, Web Components
1mo
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Senior Software Engineer (Backend/Fullstack) - Trust and Safety
Seattle, Washington, United States
$202k-$368k/yr OnsiteFull Time
TikTok
TikTok: Short-form mobile video and social media platform.
2+ YOEBachelor's in CS or related,2+ years industry experience,proficiency in algorithms/data structures and one of python/go/php/c++/java,strong problem-solving and communication skills.
python, go, php, c++, java
2mo
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Software Engineer - Fullstack (New Revenue)
San Francisco or Seattle
$140k-$235k/yr HybridFull Time
DocuSign
DocuSignNASDAQ: DOCU: DocuSign provides intelligent agreement management and e-signature software solutions.
5+ YOE5+ years software development; 3+ years JavaScript/Typescript web apps; experience with React, backend services, unit testing, CI/CD, Git; BS in CS preferred.
JavaScript, Typescript, React, C#, Python, Java, Git, Redux, Angular, CI/CD