React.js Jobs in Seattle, WA

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Senior Python Full Stack Developer (with Data Engineering Expertise )

Bramkas Inc.

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Remote

Contract

Python : Full Stack Polyglot Engineer with Data Engineering Expertise Location: United States RemotePosition Type: Open to Contract / Contract-to-Hire (Open to Full-Time)Experience Required: 9+ YearsMust have Skill : Python , FastAPI , React ,MongoDB , Data Engineering We are looking for a skilled Python Polyglot developer who is comfortable working across the backend, frontend, and datatransformation layers. The ideal candidate is someone with strong hands-on experience in building scalable we
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Posted 9 days ago | Updated 9 days ago

.NET Backend Developer

Neo Prism Solutions, LLC

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Remote

Contract

Job Title: .NET Backend Developer with Azure Job Description: We are looking for a .NET Backend Developer with experience in Microsoft Azure. The candidate should be skilled in C#, .NET Core, and building APIs. Experience with Azure services like App Services,
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Posted 3 days ago | Updated 2 days ago

Full-Stack Software Engineer II(s) & Senior Software Engineer(s)

Microsoft Corporation

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Redmond, Washington, USA

Full-time

Security represents the most critical priorities for our customers in a world awash in digital threats, regulatory scrutiny, and estate complexity. Microsoft Security aspires to make the world a safer place for all. We want to reshape security and empower every user, customer, and developer with a security cloud that protects them with end to end, simplified solutions. The Microsoft Security organization accelerates Microsoft's mission and bold ambitions to ensure that our company and industry i
Posted 6 days ago | Updated 9 hours ago

.Net Fullstack Architect (Remote)

Neo Prism Solutions, LLC

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Remote

Contract

Job Title : Full stack .Net Architect Location : Remote SKILLS/EXPERIENCE REQUIREMENTS 12 - 15 years application development experience with the Microsoft .NET platformStrong .NET Core (C#) experience with Web Services/API's, HTML/CSS (Bootstrap)Demonstrated proficiency with SQL, stored procedures, and database designThorough understanding of object-oriented development (OOD), Domain driven design, including an in-depth knowledge of implementing RESTful, micro services design patterns and archit
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Posted 5 days ago | Updated 2 days ago

Full Stack Java Developer

Yom Solutions LLC

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Remote

Contract

Job Title: Full Stack Java Developer Location: Remote Duration: 12 Months Job Description: We are looking for an experienced Full Stack Developer with strong expertise in React.js, Micro Frontend architecture, and modern cloud-native technologies, especially within the AWS ecosystem. This role requires a hands-on engineer who can design, build, and maintain scalable, resilient, and modular web applications using a mix of frontend and backend technologies including Node.js or TypeScript, Python o
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Posted 15 days ago | Updated 2 days ago

Hybrid Mobile Developer

Security Service Federal Credit Union

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Remote

Contract

Core Values: All employees should demonstrate our SSFCU core values -- Caring, Innovative, Honest, Fair and Dedicated -- while providing enthusiastic, professional, and courteous service to SSFCU members and employees. What You Will Do: Help create and manage test hybrid mobile applications for critical, large-scale customer experiences, using tools such as Angular. Works with manager to design, develop, code, test, and debug apps for smartphones, tablets, and other mobile devices. Utilize one
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Posted 23 days ago | Updated 18 days ago

Founding Applied AI/ML Engineer

Efovinity Inc

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Remote

Full-time

What You'll DoArchitect and implement Cora s core AI agent framework and orchestration logic Build advanced Retrieval-Augmented Generation (RAG) pipelines for enterprise-scale data Develop contextual memory and knowledge graph systems that learn and evolve over time Create robust AI observability and quality assurance systems Develop predictive models to assess customer health, churn risk, and growth signals Implement sentiment analysis and intent detection modules Design intelligent feedback lo
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Posted 2 days ago

Full Stack Programmer IV

SPECTRAFORCE TECHNOLOGIES Inc.

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Remote

Full-time

Job Title: Full Stack Programmer IV Duration: 12 months Location: Fremont CA Summary: The main function of a full stack developer is to code for both front and back-end programming. The typical full stack developer will be able to design user interactions and develop servers and databases for website functionality.Top 3 must-have HARD skills: ReactJSPHP/HackPythonGood to have skills: Verbal and written communication skills, problem solving skills, customer service and interpersonal skills.Abil
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Posted 23 days ago

Ruby on Rails Architect - Remote

Nava Software Solutions

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Remote or Jersey City, New Jersey, USA

Third Party, Contract

NAVA Software solutions is looking for a Ruby on Rails Architect Details: Ruby on Rails Architect Location: 100% Remote Duration: 6-12 months Job Description: As a hands-on architect, primary responsibilities center around design and development of web based, real-time and batch applications Collaborate with members of the design team both technical as well as business owners to identify requirements and design new products or extensions to existing products. Produce application prototypes wi
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Posted 2 days ago | Updated 2 days ago

Frontend Software Engineer - Streamlit Open Source

Snowflake Inc.

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Bellevue, Washington, USA

Full-time

Where Data Does More. Join the Snowflake team. Snowflake, in collaboration with Streamlit, is on a mission to become an integral part of the Python community, alongside renowned libraries like NumPy, Pandas, TensorFlow, and PyTorch. We are searching for a dynamic engineer with a strong background in both Python and frontend development to help us propel our open-source project forward. As a Software Engineer with the Open Source team, you will have the opportunity to work with our best-of-bree
Posted 60+ days ago | Updated 9 hours ago

Senior Manager, Software Engineering - Operations Technology

Blue Origin, LLC

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Seattle, Washington, USA

Full-time

Application close date: Applications will be accepted on an ongoing basis until the requisition is closed. At Blue Origin, we envision millions of people living and working in space for the benefit of Earth. We're working to develop reusable, safe, and low-cost space vehicles and systems within a culture of safety, collaboration, and inclusion. Join our team of problem solvers as we add new chapters to the history of spaceflight! This role is part of Blue Origin Operations, which is comprised o
Posted 4 days ago | Updated 5 hours ago

Full Stack Developer (W2 Only)

Apidel Technologies

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Remote or Philadelphia, Pennsylvania, USA

Contract

Team Info: Team of 3 engineers. Building Content Management services for internal projects. Working on highly scaled applications. There is a separate team that works on application building and the whole infrastructure. This team is for building self-service tools. Must have skills: Looking for 5 to 8 years of Full-stack developer 60% UI and 40% Backend role. UI They are using React but are fine with any other JavaScript experience Backend - Java OR Kotlin OR any JVM-based Testing & Deployment
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Posted 60+ days ago | Updated 29 days ago

Fullstack Architect

Photon

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Remote

Full-time, Third Party

We are seeking a visionary and hands-on Fullstack Architect with deep expertise in Java, React.js, and application/web architecture to lead the design and development of scalable, secure, and high-performance solutions. This role involves owning the full stack technology direction, mentoring development teams, and ensuring architectural alignment with business goals. Key Responsibilities:Design and oversee the architecture of fullstack solutions (backend, frontend, web, and app platforms).Define
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Posted 12 days ago | Updated 11 days ago

Sr. Full Stack Software Engineer, Constellation Tools (Starlink)

SpaceX

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Redmond, Washington, USA

Full-time

SpaceX was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not. Today SpaceX is actively developing the technologies to make this possible, with the ultimate goal of enabling human life on Mars. SR. FULL STACK SOFTWARE ENGINEER, CONSTELLATION TOOLS (STARLINK) At SpaceX, we're leveraging our experience in building rockets and spacecraft to deploy Starlink, the world's most advanced broadband internet system. S
Posted 33 days ago | Updated 8 hours ago

Software Engineer

SRS Consulting Inc

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Remote

Contract

Job Title: Software Engineer Location: Remote Duration: Long Term Job Description: Experience Level: 7-10 years. Design, develop, document, test, and debug new and existing software systems and/or applications using Node.js, React, and AWS. Serve as a technical expert on development projects.Participate in full development life cycle, including requirements analysis and design.Write technical specifications based on conceptual design and stated business requirements.Support, maintain, and docu
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Posted 2 days ago

Lead Nodejs Developer with Microservices Architecture and Migration Experience

E-Solutions, Inc.

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California, USA

Third Party

Title: Lead Nodejs Developer with MIcroservices Architecture and Migration Experience Location: Remote Duration: Long term Contract JD: 60 - 70% - Backend is needed we need basically a backend guy with some experience in frontend. React is frontend. having it is a plus. -> Typescript(Most important) -> NestJS(Preferred) or Express JS or Sails.Js or loopback.js -> NodeJS in Backend -> Must have SQL DB integrations with node backend -> Knowledge on ORM -> Micro-services Architecture (Most pe
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Posted 17 days ago | Updated 2 days ago

Microservices engineer- API / Security

HCL America Inc.

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Remote

Full-time

We are HCLTech, one of the fastest-growing large tech companies in the world and home to 218,000 people across 60 countries, supercharging progress through industry-leading capabilities centered around Digital, Engineering and Cloud. ( ) The driving force behind that work, our people, are diverse, creative, and passionate, raising the bar for excellence on a regular basis. We, in turn, work hard to bring out the best in them as we strive to help them find their spark and become the best version
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Posted 15 days ago

Microservices API engineer-

HCL America Inc.

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Remote

Full-time

We are HCLTech, one of the fastest-growing large tech companies in the world and home to 218,000 people across 60 countries, supercharging progress through industry-leading capabilities centered around Digital, Engineering and Cloud. ( ) The driving force behind that work, our people, are diverse, creative, and passionate, raising the bar for excellence on a regular basis. We, in turn, work hard to bring out the best in them as we strive to help them find their spark and become the best version
Easy Apply
Posted 25 days ago

Senior Software Engineer

Blue Origin, LLC

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Seattle, Washington, USA

Full-time

Application close date: Applications will be accepted on an ongoing basis until the requisition is closed. At Blue Origin, we envision millions of people living and working in space for the benefit of Earth. We're working to develop reusable, safe, and low-cost space vehicles and systems within a culture of safety, collaboration, and inclusion. Join our team of problem solvers as we add new chapters to the history of spaceflight! This role is part of Enterprise Technology (ET), where we're deve
Posted 50 days ago | Updated 5 hours ago

Principal Engineer

MRoads

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Remote

Contract

Bethesda-Chevy Chase, MD / Remote We are seeking a highly experienced Principal Engineer / Fullstack Architect with deep expertise in Node.js, GraphQL, and ReactJS, combined with a strong background in Artificial Intelligence, particularly in building and integrating Large Language Models (LLMs). You will play a pivotal role in architecting scalable, intelligent fullstack solutions, driving innovation, and mentoring engineering teams on cutting-edge AI integration. Key Responsibilities: Lead the
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Posted 24 days ago