Web applications Jobs in San Francisco, CA

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Senior Frontend Fullstack Developer

BayOne Solutions

Dublin, California, USA

Contract

Job Summary: Architect, design, and develop scalable and performant full-stack web applications, leading the development of front-end (React/Next.js) and back-end (Java/Node.js) components.Front-End Development (React/Next.js): Develop dynamic, responsive, and interactive user interfaces using React/Next.js, focusing on writing clean, modular, and maintainable code.Node.js Services: Design and implement efficient, event-driven, and scalable services using Node.js, ensuring high availability and

Sr. Software Engineer (React, Node.JS, Java) - W2 Only - No Sponsorship

ICONMA

Newark, California, USA

Contract

Our Client, an EV Manufacturing company, is looking for a Senior Software Engineer for their Newark, CA/Hybrid location. Responsibilities: Lead, develop, and mentor a team of developers in building and maintaining automotive-related web applications using the MERN stack (MongoDB, Express, React, Node/Nest).Define and oversee technical strategy and architecture for scalable and robust web solutions in the automotive domain.Ensure the implementation of best practices and standards in coding and so

Full Stack Web Application Developer

GeoLogics Corporation

Remote

Contract

GeoLogics is working directly with the hiring manager at Raytheon Technologies for a Full Stack Web Application Developer 100% Remote Raytheon Technologies Full Stack Web Application Developer "United States Citizens are encouraged to apply due to government contract restrictions" Remote Position Rate: OPEN - Hourly (w2 non-benefited or c2c [c2c you must have your name in the Articles of Incorporation]) Job Summary: The developer will join an experienced team to design, delivery, and sustainmen

Trainee React Developer

Kasmo Inc.

Remote

Contract

We are looking for passionate and self-motivated Trainee React Developers who are eager to build a career in frontend development. As a trainee, you will work with our experienced development team to learn and contribute to building responsive and interactive web applications using React.js. Responsibilities: Learn and assist in developing web applications using React.js Write clean, efficient, and reusable code under guidance Work with REST APIs and integrate backend services Assist in debuggin

Front End Engineer

Meta Platforms, Inc. (f/k/a Facebook, Inc.)

Menlo Park, California, USA

Full-time

Meta Platforms, Inc. (f/k/a Facebook, Inc.) has the following positions in Menlo Park, CA Front End Engineer: Develop, design, create, modify, and/or test mobile and desktop web software applications or systems . (ref. code REQ-2507-152886: $258,524/year to $290,180/year). Individual pay is determined by skills, qualifications, experience, and location. Compensation details listed in this posting reflect the base salary only, and do not include bonus or equity or sales incentives, if applicable.

.NET FullStack Developer

Nityo Infotech Corporation

San Francisco, California, USA

Third Party, Contract

.NET FullStack Developer In-person/F2F interview in San Francisco/ San Ramon, CA Hybrid onsite in San Francisco, CA/ San Ramon, CA (3 days onsite and 2 days remote ) 12+ Months with possible extensions Angular, C#, .NET Core, MVC, ASP.NET, REST API, and OAuth2.0. Experience in developing Azure App Services/ Functions/ Logic Apps/ Storage/ Active Directory Experience in SQL, procedures, triggers, functions. Experience in a banking/financial services organization Web application development, Web

Angular Developer

Cloudpaths

Remote

Contract

Job Title: Angular Developer Location: Remote Contract role. Job Description: This role will be responsible for designing, developing, and maintaining web applications that facilitate the exchange of financial information. You will work closely with cross-functional teams to ensure the seamless integration of FIX protocols into our applications. RESPONSIBILITIES Develop and maintain responsive web applications using Angular.Implement financial information eXchange (FIX) protocol standards to ena

Application Security Engineer

Happiest Minds Technologies Limited

Remote

Contract

Seeking candidates with solid expertise in Manual web application penetration testing and Manual secure code review. Not looking for only tool-based(SAST and DAST) resources Mandatory Perform manual security code review against common programming languages (Java, .NET)Perform automated testing of running applications and static code (SAST, DAST)Perform manual application penetration tests on one or more of the following to discover and exploit vulnerabilities: web applications, internal applicat

QA Automation Lead - W2 Contract

Integrass

Remote

Contract

We are looking for a highly motivated QA Automation Lead with strong skills in Python-based automation frameworks, and hands-on exposure to AI-driven, LLM QA tools. This is a long-term contract opportunity to work on cutting-edge test automation and quality engineering solutions, contributing to reliable and scalable product releases. Key Responsibilities:Develop and maintain end-to-end automation scripts using Python Automate functional, regression, and smoke tests for web applications. Integr

Product Designer

Meta Platforms, Inc. (f/k/a Facebook, Inc.)

Menlo Park, California, USA

Full-time

Meta Platforms, Inc. (f/k/a Facebook, Inc.) has the following positions in Menlo Park, CA Product Designer: Design digital user interfaces, create graphics, and design new experiences or layouts that evolve and/or define visual systems for web-based applications and technologies with a focus on aesthetics and design. (ref. code REQ-2507-152739: $176,615/year to $183,370/year). Individual pay is determined by skills, qualifications, experience, and location. Compensation details listed in this po

UI Developer with React JS and Ember JS

TekVivid

Remote

Third Party, Contract

Overview: We are seeking a skilled UI Developer with strong expertise in React.js and Ember.js to join our front-end development team. The ideal candidate will be responsible for designing and implementing user interface components, ensuring high performance across a variety of devices and browsers, and collaborating with cross-functional teams to build modern, scalable web applications. Key Responsibilities: Develop and maintain responsive and high-quality web applications using js and Ember.js

Senior Java Developer with Magnolia CMS

DATAMAXIS, Inc

Michigan, USA

Third Party, Contract

Job Summary: We are seeking a highly skilled Senior Java Developer with expertise in Magnolia CMS to join our dynamic team. The ideal candidate will have strong backend development experience with Core Java and Spring, complemented by modern frontend capabilities and Magnolia content management. You will be responsible for designing, developing, and maintaining scalable web applications using a full stack of technologies. Must-Have Technical Skills: Magnolia CMS: Minimum 3 years of recent, hand

Senior Full Stack Developer

Avila IT

Remote

Full-time

Job Description:We are seeking a Senior Full Stack Developer to design, develop, and maintain scalable web applications and services. The ideal candidate should be hands-on with modern front-end frameworks and backend APIs, have strong problem-solving abilities, and experience building enterprise-grade platforms in Agile environments. Key Responsibilities: Develop full stack web applications using React.js/Angular, Node.js/Java, and cloud services. Design, build, and maintain RESTful APIs and mi

Lead .Net Developer - Financial/Banking experience

Nityo Infotech Corporation

San Francisco, California, USA

Contract

Qualifications: Client s targets candidates with successful academic and professional careers and demonstrated leadership ability, an ideal candidate will have:10 years of progressive technical experience in a financial services organization3+ years of experience in developing Azure App Services, Azure Functions, Azure Logic Apps, Azure Storage, and Azure Active Directory (AD), Microsoft Azure Cloud Platform with ADO.5+ years of experience in SQL, procedures, triggers, functions.5+ years of expe

Next JS Developer

MSquare Systems Inc.

Remote

Contract

Job Summary We are looking for a Next.js Developer with proven experience deploying and managing applications on Microsoft Azure. You ll build and maintain modern web applications using Next.js and React, working closely with product and design teams to deliver fast, reliable, and secure solutions. Responsibilities Develop and maintain web applications using Next.js, React, JavaScript, and TypeScript.Build features using SSR, SSG, and API routes in Next.js.Ensure responsive, accessible, and high

SQL Server Developer with Middleware Websphere MQ - 100 % Remote - Only W2

NearObjects

Remote

Contract

SQL Server Developer with Middleware Websphere MQHands-on experience in Microsoft SQL Server, creating data definitions and complex database objects, stored procedures, import/export different data sources data and scheduling jobs.Hands-on experience to develop reports using Microsoft SSRS.Experience with IBM Integration Bus (IIB) and/or IBM App Connect Enterprise (ACE).Strong knowledge of WebSphere MQ, SOAP/REST APIs, ESQL, XSLT, XML, and JSON.Developing web applications using jQuery/Angular an

Salesforce Developer/ Engineer

RedSalsa Technologies, Inc.

Remote

Contract

Title: Software Engineer 2 Salesforce 2025C0022 Location: Austin, TX/ Remote Duration: 12+ Months The Worker is responsible for the modernization of existing Enterprise web applications, following established standards, quality attributes, and design specifications. This role is responsible for the following: Define and Develop low-level design documents Contribute to and follow software engineering best practices to create robust and standardized solutions Work closely with Business Analysis an

Design Engineer (Design and Full-Stack Development) REMOTE

Dexian DISYS

Remote

Contract

Job Title: Design Engineer (Design and Full-Stack Development) Location: Fully Remote Duration: 2+ months Overview Client is seeking a Design Engineer to join our education team on a contract basis to support the design and development of a new learning hub. This hub will serve to educate our users and the general public on all things Claude + AI through a prompt library, interactive tutorials, structured academy courses, and more. This role uniquely combines design thinking with full-stack e

Ruby on Rails Developer

TekVivid

Remote

Contract, Third Party

Overview: We are looking for a highly motivated and experienced Ruby on Rails Developer to join our development team. You will be responsible for building and maintaining robust, scalable web applications. The ideal candidate has strong backend development skills and a passion for clean, maintainable code. Responsibilities: Design, build, and maintain efficient, reusable, and reliable Ruby code using the Ruby on Rails framework.Develop new features and improve existing ones.Collaborate with prod

Frontend Developer with Backbone.js

GTSS Inc

Remote

Contract, Third Party

Title: Frontend Developer with Backbone.js Mode of Work: Remote Role Key Responsibilities:Develop, maintain, and optimize complex Backbone.js-based web applications Write clean, scalable, and modular JavaScript code using Backbone s models, views, collections, and routers Integrate front-end logic with RESTful APIs and third-party services Collaborate with designers, product managers, and backend developers to implement new features Refactor and modernize legacy Backbone code where appropriate