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  • $65 - $67 per hour

    A prominent tech consulting firm is hiring a Web Application Security Test Engineer, focusing on manual security testing for web applications and APIs. The ideal candidate will utilize tools to manage traffic interception, conduct thorough security assessments, and simulate... 
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    Comforcehealth

    Seattle, WA
    5 days ago
  •  ...Job Title: .Net API Developer Seattle, WA (Hybrid) Local candidates only Client: Premera Blue Cross Job Description • Candidates...  ...development using Azure services. • Having 10+ years of web application development using C# , .Net , API. • Design and develop... 
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    MILLENNIUMSOFT

    Seattle, WA
    2 days ago
  •  ...Hi, We are looking for a Senior Developer with Java & API. Please let me know, if interested. Senior Developer - Java & API Location-...  ...87-2012 | Email : ****@*****.*** | Web: We're hiring! connect with us on LinkedIn and visit our... 
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    Immediate start

    Syntricate Technologies

    Bellevue, WA
    1 day ago
  • $165.6k - $248.4k

    A financial technology company is seeking a Fullstack Software Engineer to design and build systems that power how millions connect to their finances. The role involves working across the stack, crafting backend services and frontend experiences. Ideal candidates have 5...
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    Plaid Inc

    Seattle, WA
    5 days ago
  •  ...for this role. Title: .Net Full Stack Developer Location: Seattle,WA / Renton, WA...  ...: Skills Desired: Web Technologies (Asp.Net, .Net MVC, HTML5, CSS...  ...DevSecOps (Git/ADO) Rest API, API gateway Experience in Agile... 
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    Full time
    Immediate start
    Relocation

    Jconnect

    Seattle, WA
    3 days ago
  • $60 per hour

     ...technology sector, is seeking a .Net Back End Developer to join their team. As a .Net Back End...  ..., and maintain backend services and APIs using C# and .NET (primarily .NET Core/.NET...  ...existing .NET standalone applications and web services, including troubleshooting, performance... 
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    Temporary work
    Flexible hours

    Experis/Manpower Group

    Seattle, WA
    2 days ago
  •  ...serverside architecture Build the frontend of applications through appealing visual design Develop and manage wellfunctioning databases and applications Write effective APIs Test software to ensure responsiveness and efficiency Troubleshoot debug and upgrade... 
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    E-Solutions

    Bellevue, WA
    3 days ago
  • $185k - $385k

     ...ll Do Build and ship high-quality product experiences across web surfaces. Partner with design and product to translate ideas...  ...Collaborate closely with backend and data teams to integrate APIs and deliver end-to-end features. Contribute to long-term technical... 
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    OpenAI

    Seattle, WA
    2 days ago
  •  ...; we will also consider relevant work experience. ~5+ years of web programming experience (React strongly preferred). ~ Familiarity...  ...environment. ~ Experience with designing and consuming backend APIs for web applications. ~ Test-driven development skills. ~... 
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    Work experience placement
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    SoFi

    Seattle, WA
    4 days ago
  •  ...engineers and across multiple engineering teams. Develop and improve large user-facing product...  .... Design and implement production quality web applications that are performant, secure...  ...JavaScript, HTML, CSS, and integrating with REST APIs. Amazon.com is an Equal Opportunity-... 
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    Amazon

    Seattle, WA
    1 day ago
  •  ...Architect frontend systems enabling team velocity and quality. Define API contracts and data patterns across teams. Establish...  ...unblock teams. Your background ~5+ years building production web applications professionally. ~ Expert in React, TypeScript, and... 
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    Clarify

    Seattle, WA
    4 days ago
  •  ...role where you'll define the future of our web (and eventually mobile) frontend...  ...improving performance, reliability, and developer velocity Setting the quality bar: architecture...  ...Hands-on experience with advanced browser APIs, especially IndexedDB, caching strategies... 
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    Talentry LLC

    Seattle, WA
    2 days ago
  • $129.96k - $246.24k

     ...in Computer Science or related technical discipline - Excellent web technology skills, particularly with HTML5/CSS3/JavaScript - 1+ year...  ...- Experience with Node build systems, and using asynchronous APIs - Enthusiastic about quality, design, and user experience, and excellent... 
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    ByteDance

    Seattle, WA
    2 days ago
  •  ...Web Core Platform team 2 days/week onsite in Seattle Top skills: Node.js, React, Typescript, GIt scripting Responsibilities...  ...with backend teams to design effective and understandable APIs Following established architecture patterns and suggesting improvements... 
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    2 days per week

    My3Tech Inc

    Seattle, WA
    3 days ago
  •  ...Location: Seattle, Washington What's the Job? Design and develop real-time dashboard UIs to visualize deployment health, system status, and operational metrics. Build backend services and APIs to aggregate data from Azure, MongoDB, and other sources for seamless... 
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    Manpower Group Inc.

    Seattle, WA
    1 day ago
  •  ...Experience building and maintaining large-scale web applications with clean architecture...  ...Familiar with working on RESTful/GraphQL APIs, frontend performance tools, and testing...  ...Exposure to enterprise SaaS products or developer-focused tools Knowledge of cloud platforms... 

    Revefi

    Seattle, WA
    2 days ago
  •  ...not just building another AI tool—we are developing an agentic infrastructure that transforms...  ...build responsive and aesthetically pleasing web applications. Implement efficient package...  ...backend teams to seamlessly integrate APIs and AI-driven features. Conduct rigorous... 

    Certivo, Inc.

    Seattle, WA
    4 days ago
  • $197.53k - $276.54k

     ...for the benefit of Earth. We're working to develop reusable, safe, and low-cost space...  ...legacy desktop application software into our web and cloud based platform. Additionally, you...  ...engineering experience interfacing with backend APIs ~3+ years of experience with a front-end... 
    Permanent employment
    Temporary work
    Local area

    Blue Origin

    Seattle, WA
    1 day ago
  • $177.69k - $341.73k

     ...dashboards. Qualifications Minimum Qualifications - Excellent web technology skills, particularly with HTML5/CSS3/JavaScript -...  ...Experience with Node build systems - Experience using asynchronous APIs - Excellent problem-solving and analytical thinking skills Preferred... 
    Temporary work
    Local area

    Tik Tok

    Seattle, WA
    3 days ago
  •  ...Build and own the technical roadmap for mission-critical web and desktop applications. Develop robust, reusable, and maintainable code using React ,...  ...desktop applications. Experience working with cloud-based APIs and infrastructure. Strong experience with build and bundling... 

    Out in Science, Technology, Engineering, and Mathematics

    Seattle, WA
    2 days ago
  • $137k - $251k

     ...for the development and operations of new web and mobile applications utilizing Flutter...  ...to system and software designs, developing client applications that integrate with back...  ...information (PII) Technical knowledge of REST APIs and data caching patterns Experience... 
    Full time
    Relocation
    Relocation package
    Flexible hours

    Bezos Day One Fund

    Seattle, WA
    3 days ago
  • $140k - $192k

     ...and greet adversity as something to further develop your resilience. You are always re-...  ...Architect, develop, and maintain high-performance web and mobile applications using modern...  ...backend and data teams to build and integrate APIs (REST, GraphQL) and support end-to-end... 
    Remote work

    Proprio Vision

    Seattle, WA
    1 day ago
  • $78k - $185k

     ...responsible for enhancing client experience through robust digital solutions. The role requires extensive experience in software development, API design, and cloud-native technologies. Candidates should have a proven track record in agile environments and strong communication... 

    PowerToFly

    Seattle, WA
    3 days ago
  • A leading e-signature company is seeking a software developer to contribute to their App ecosystem. This role involves implementing and maintaining integrations via APIs using modern technologies like NodeJS and Azure. Ideal candidates have 5+ years of software development... 

    DocuSign, Inc.

    Seattle, WA
    2 days ago
  •  ...Position: React UI Developer Location: Seattle, WA (Hybrid - 4 days Onsite) Duration: 6+ month contract ***W2 Contract...  ...state management libraries. Strong experience with RESTful APIs and backend integration. Solid understanding of responsive... 
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    The Judge Group

    Seattle, WA
    5 days ago
  • $238k - $342k

     ...reasoning agents. This role involves developing agent builders, simulation tools, dialog...  ...Integrate UI components with LangSmith APIs for agent observability, evaluations, and...  ...across digital channels (chat, web, messaging) and voice/IVR systems Core... 
    Work at office
    Flexible hours
    3 days per week

    Freshworks

    Bellevue, WA
    2 days ago
  •  ...Software Engineer NodeJS , Serverless / API Design Department Digital Development -...  ...scale data driven applications, high volume web servers/services all with a focus on...  ...IaaS experience. 5+ years of experience in developing, writing and debugging Java applications.... 
    Remote work

    Highbrow LLC

    Bellevue, WA
    5 days ago
  •  ...infrastructure-from data pipelines and integration frameworks to developer tooling and system reliability. This is a role for someone who...  ...Build core platform systems: data pipelines, integration framework, API infrastructure, and developer tooling. Design scalable data... 

    Clarify

    Seattle, WA
    4 days ago
  • $120k - $170k

     ...to meet and exceed the vision and mission of the business. As a Developer, Backend, Digital Technology, you will be responsible for...  ...certifications, education and/or experience in building and scaling APIs, with solid understanding of API versioning, documentation (OpenAPI... 
    Work at office

    Aritzia

    Seattle, WA
    4 days ago
  •  ...applications & infrastructure architecture 3. At least 2 years of API development experience in .NET Core, Node.js, or Spring Boot with a MS SQL or NoSQL database 4. Experience constructing, developing, and implementing microservices 5. Experience managing... 
    Contract work
    Remote work

    Intelliswift

    Seattle, WA
    4 days ago