React.js Jobs in Los Angeles, CA

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.Net Full Stack Developer

Celer Systems, Inc

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Remote

Full-time

Mandatory QualificationsFive (5) years of FTE experience in electronic data processing systems study, design, and programming. At least three (3) years of that experience must have been in a lead capacity.Possess a bachelor s degree in an IT- related or Engineering field. Additional qualifying experience may be substituted for the required education on a year-for-year basis.Five (5) years of FTE experience in designing, developing, implementing .Net applications and maintaining the existing .Net
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Posted 25 days ago

Senior Engineer

Kforce Technology Staffing

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Remote or Johnston, Rhode Island, USA

Contract

RESPONSIBILITIES: Kforce has a client in need of a Senior Engineer. Key Responsibilities: * Utilize expertise in C# .Net and functional Reactjs to develop and maintain both front-end and back-end components of our applications * The Senior Engineer will create and use REST webservices to ensure seamless communication between the front-end and back-end systems * Leverage Azure technologies to enhance the scalability and performance of our applications * Utilize Docker and Kubernetes for containe
Posted 17 hours ago | Updated 7 hours ago

Software Engineer, Data - Top Secret Clearance

SpaceX

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Hawthorne, California, 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. SOFTWARE ENGINEER, DATA - TOP SECRET CLEARANCE As a Software Engineer in Special Programs, you will design, develop, and test key aspects of an in-house solution for analysis, simulation, and prototyping of software i
Posted 60+ days ago | Updated 1 hour ago

Accessibility Web Developer (Mobile + Web)

Allwyn Corporation

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Remote

Contract, Third Party

NOTE:This is 4 month contract only. 40 Hrs / per week. We are looking for a skilledFront-End Developerwho can contribute across bothmobile and web (.com)platforms. The ideal candidate will have hands-on experience withAngular and Ionic frameworks, and a strong understanding ofADA complianceto ensure accessibility standards are met across all digital experiences. Responsibilities: Develop and maintain responsive and accessible applications across mobile and web platforms.Collaborate with UI/UX
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Posted 28 days ago | Updated 19 hours ago

Sr Node.js, Typescript Fullstack Developer

People Force Consulting Inc

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Remote

Third Party, Contract

Experience: - 10+ Years Location: - (Remote) EST hours Educational Qualifications: - Engineering Degree BE/ME/BTech/MTech/BSc/MSc.Technical certification in multiple technologies is desirable.Full Stack Lead (Healthcare App Modernization Node.js, React, TypeScript) 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
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Posted 60+ days ago | Updated 13 hours ago

Dot Net Architect--Part Time

Newt Global

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Remote

Part-time

Key Responsibilities: Architectural Leadership Design and implement scalable, secure, and maintainable software architectures using .NET technologies (ASP.NET Core, .NET Framework). Define and enforce best practices, coding standards, and development processes to ensure high-quality deliverables. Provide end-to-end technical leadership on architecture, design, and implementation of full-stack solutions. Full-Stack Development Lead the development of backend services and APIs using C#, ASP.NET
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Posted 12 hours ago

Programmer Analyst II

University of Southern California

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Los Angeles, California, USA

Full-time

The Mark and Mary Stevens Neuroimaging and Informatics Institute and Laboratory of Neuro Imaging (INI, are world leaders in the development of advanced computational and scientific approaches for the comprehensive mapping of brain structure and function. LONI's unique multidisciplinary environment and cutting edge resources allow for integration of clinical, psychological and genotypic information with neuroimaging phenotypes for research questions in neurology, psychiatry and developmental neu
Posted 60+ days ago | Updated 10 hours ago

Sr. App Operations Engineer

Tri-Force Consulting Services Inc

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Remote

Third Party, Contract

Job Title: Sr. App Operations EngineerDuration: 12 MonthsClient: Department of Information Technology and Telecommunication - NYCLocation: Brooklyn, New York NOTE: This is a 100% remote role. Job Description:Manage deployment of applications in production and non-production environments.Work on service tickets according to priority.Troubleshoot application issues.Work on making enhancements to improve the security of the applications, as neededUtilize triaging and observability tools provided b
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Posted 7 days ago | Updated 7 days ago

*Senior Full Stack NodeJS Engineer (AWS, NodeJS and Workday Integration experience) (15+ Years of experience)*

Kellton

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Remote

Contract, Third Party

Kellton Tech is a full-service software development company, offering end-to-end IT solutions, strategic technology consulting and product development services in Web, SMAC (Social, Mobile, Analytics, Cloud), ERP-BPM, and IoT space Our methodology of inventing infinite possibilities with technology helps us develop best in-class and cost effective solutions for our clients. Currently Kellton Tech is looking for talented resources for one of our listed client. Below are the position details: Posi
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Posted 15 days ago | Updated 14 days ago

Ruby on Rails Architect

Ohm Systems, Inc

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Remote

Contract

ROR Architect:- As a hands-on architect, primary responsibilities center around design and development of web based, real-time and batch applicationsCollaborate 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 with sufficient detail to allow others in the development team to complete the development work.Provide technical oversight to the development process
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Posted 32 days ago | Updated 21 days ago

Ruby on Rails Architect - Remote

Mudrasys

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Remote

Third Party, Contract

Position: Ruby on Rails Architect Location: Remote Duration: 6-12months Job Description: Key Responsibilities: Develop and maintain robust, scalable, and secure applications using Ruby on Rails for backend and React for frontend.Design and implement RESTful APIs and integrate third-party services.Optimize application performance and troubleshoot/debug production issues.Collaborate with product managers, designers, and other developers to enhance user experience.Follow best practices in CI/CD, te
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Posted 50 days ago | Updated 15 days ago

Telecom System Integration Developer

Cyber Sphere LLC

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Remote

Third Party, Contract

Telecom System Integration Developer Remote Long Term Contract Note - It s not a specific project Per se. It s a hodgepodge of custom integration request from the various lines of business within the Org. Someone with Developer skills set with experience doing contact center or unified communication integrations. Telephony, Cisco, etc More Developer than Telephony Key Responsibilities: Design, develop, test, and debug robust applications and system components aligned with business and technical
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Posted 21 hours ago

Site Reliability Engineer, GNC (Falcon)

SpaceX

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Hawthorne, California, 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. SITE RELIABILITY ENGINEER, GNC (FALCON) SpaceX is looking for a Site Reliability Engineer, GNC to operate and scale custom-built mission-critical products for Guidance, Navigational and Control (GNC). The GNC team per
Posted 44 days ago | Updated 1 hour ago

Software Engineer

Rose International

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Remote

Full-time

Date Posted: 06/30/2025 Hiring Organization: Rose International Position Number: 484835 Industry: Software Job Title: Software Engineer Job Location: Remote, Canada Work Model: Remote Shift: 8-5 Employment Type: Temporary FT/PT: Full-Time Estimated Duration (In months): 7 Min Hourly Rate($): 70.00 Max Hourly Rate($): 79.00 Must Have Skills/Attributes: Agile, RESTful, SCRUM, Typescript Experience Desired: Java, TypeScript, JavaScript (8 yrs) Required Minimum Education: Bachelor's Degree
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Posted 1 day ago | Updated 10 hours ago

Software Developer IV

Voyatek

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Remote

Full-time

Outcomes. Delivered. Voyatek delivers outcome-driven technology solutions to public sector agencies and higher education institutions nationwide. For example, our technology: Facilitates access to nutritious food for children of mothers participating in the WIC programSupports first responders in reducing opioid overdoses within their communitiesEmpowers colleges and universities to identify and thwart financial aid fraudEquips teachers with valuable insights to identify students requiring addit
Posted 22 days ago | Updated 6 days ago

Chief Technology Officer (CTO)

Remynt

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Remote

Full-time

About Remynt: Remynt is an innovative debt recovery company that replaces traditional fear- and shame-based strategies with empowering, consumer-centric solutions, including credit rebuilding and personal finance tools. We focus on late-stage and charged-off collections, utilizing an omnichannel digital approach to recover delinquent debt. We achieve this by providing flexible repayment options, credit rebuilding programs, and financial resilience resources. Learn more at . The Opportunity: We
Posted 25 days ago

Engineer 1 - iOS Developer (Hybrid - Seattle, WA)

Nordstrom

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Remote or Seattle, Washington, USA

Full-time

Job Description When you join Nordstrom, you join the Nordstrom family. Our fast-paced and entrepreneurial environment is paired with the strong history and experience of a retail legacy. We have access to some of the greatest minds in retail and technology and are constantly creating innovative strategies to develop the ultimate apparel solutions. We welcome your adaptability, your curiosity, and your passion to contribute to our unparalleled shopping experience! About the team As a part of
Posted 7 days ago | Updated 1 hour ago

Software Dev Engineer III

Kforce Technology Staffing

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Remote or Seattle, Washington, USA

Contract

RESPONSIBILITIES: Kforce has an enterprise client that is seeking a Software Dev Engineer in Seattle, WA. Summary: We are looking for a Software Development Engineer to work as part of a two-engineer team to deliver a project that enables an engineering driven process to be self-service for internal users that allows for improved GTM usage of an external facing product. Duties: * Deliver work that employees at Twitch will use and impacts creators on the platform * Partner with an existing eng
Posted 17 hours ago | Updated 7 hours ago

Data Analyst with Operations experience _ 10+ Years Experience

StarTechs Inc.

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Remote

Contract, Third Party

Requirement details: Job Title: Data Analyst with Operations experience & Healthcare domain Location: Remote Duration: 12+ Months Qualifications: 10+ Years of Experience Key areas: AWS S3; AWS Glue; File & data Operations; ETL; Health care data; Tableau; PowerBI; HIPAA; Data pipelines; React; Node; Python' Mongo Required Qualifications Bachelor s or Master s degree in Health Informatics, Data Analytics, Computer Science, or related field. 10+ years of experience in a data operations or analyst
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Posted 8 days ago | Updated 8 days ago

Senior Software Engineer (Remote in California)

First American Financial Corporation

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Remote or Santa Ana, California, USA

Full-time

Who We Are Join a team that puts its People First! As a member of the First American family of companies, First American Trust is a federal savings bank that has provided banking, wealth management, and trust solutions on a national, full-service basis for more than five decades. Since 1889, First American (NYSE: FAF) has held an unwavering belief in its people. They are passionate about what they do, and we are equally passionate about fostering an environment where all feel welcome, supported,
Posted 52 days ago | Updated 1 hour ago