Software Engineer React jobs in Porto

We are seeking a hands-on React Engineer with strong frontend development expertise to build scalable, high-performance web applications. This role requires deep experience in modern React ecosystems, component-driven architecture, and integration with backend APIs. The ideal candidate will be highl

*Must Have:** Frontend Development: 4-5 years of experience Experience in Frontend Development. Strong coding skills with React.js. Proficient in JavaScript (ES6+), HTML5, CSS3, and responsive UI/UX design. Hands-on experience with Material-UI, Styled Component, Webpack, Rollup, Storybook, React-Rou

Job Title: Software Engineer Location: Remote (USA) Type: Contract Job description: Must Skills: JAVA, HL7, React Additional Skills: Healthcare, DICOM HL7 Note: Experience in a healthcare domain is preferred Requirements: The ideal candidate brings strong experience in healthcare technology, modern

Role : React Engineer Location: San Ramon, CA (Onsite) Experience : 9 years Job Description: · Proficient in JavaScript (ES6 ), HTML5, CSS3, and responsive UI/UX design. · Hands-on experience with Material-UI, Styled Component, Webpack, Rollup, Storybook, React-Router-Dom (In depth to handle parent

Confidential

$11,667 - $18,333 /year

The Role We're looking for a software engineer (member of technical staff) who is obsessed with building agentic AI systems and wants to ship real product from day one. You'll work across the stack but spend most of your time on backend systems, building and orchestrating AI agents that interact wit

Role: Full stack(REact/Node) Interview: Will be a twostep interview process. Heavy coding and system design, since this is a senior spot. Location: Sits Hybrid twice a week in Sunnyvale. Can take relocates, will be remote to start but at time of conversion needs to move. I WILL NOT CONSIDER PEOPLE T

Software Guidance & Assistance

€92,000 - €118,000 /year

Requirements Must have: - Over 3 years of experience in full-stack development. - Strong expertise in Java, Spring Boot, React, and NextJS. - Proficient in TypeScript, Webpack, Babel, ESLint, and Jest in contemporary web development workflows. - Familiarity with AWS infrastructure and deployment str

At Johnson & Johnson, we believe health is everything. Our strength in healthcare innovation empowers us to build a world where complex diseases are prevented, treated, and cured, where treatments are smarter and less invasive, and solutions are personal. Through our expertise in Innovative Medicine

Software Engineer III Join our dynamic team as a Software Engineer and help build cutting-edge AI-powered applications. We are seeking talented full-stack engineers with a passion for rapid prototyping and a proven ability to turn strategic direction into production-quality software. This is a build

*We are an applied AI lab building end-to-end software agents.** We're the makers of Devin, the first AI software engineer, and Windsurf, the AI-native IDE. Together, they represent our vision for collaborative AI teammates that enable engineers to focus on more interesting problems and empower team

The Role We're looking for a software engineer (member of technical staff) who is obsessed with building agentic AI systems and wants to ship real product from day one. You'll work across the stack but spend most of your time on backend systems, building and orchestrating AI agents that interact wit

*Company Description** CoverPin is an AI-driven compliance platform that simplifies back-office operations for businesses of all sizes, from growing startups to global enterprises. By centralizing entity, license, tax, insurance, and location management, it eliminates the need for manual oversight.

Company Description About CyberArk CyberArk, a Palo Alto Networks company, is the global leader in identity security, trusted by organizations around the world to secure human and machine identities in the modern enterprise. CyberArk’s AI-powered Identity Security Platform applies intelligent privil

Candidates must be local to the San Ramon area and capable of working 3x/week onsite. Seeking a highly skilled React Engineer to join their team supporting large-scale, enterprise-level applications. This role focuses on building modern, scalable, and high-performing front-end solutions, with an emp

*About The Company** Harmonic is a startup building the world’s most advanced mathematical reasoning engine, recently achieving Gold Medal-level performance on the 2025 International Math Olympiad (IMO). Backed by some of the world's most prominent investors, we are intentionally scaling our elite t

Software Engineer About the Company Our client is a technology company developing a global compliance orchestration platform used by fintech organizations, marketplaces, and payment providers to verify and onboard customers internationally. The platform connects with numerous identity verification a

*About Us:** Grow Therapy is on a mission to serve as the trusted partner for therapists growing their practice, and patients accessing high-quality care. Powered by technology, we are a three-sided marketplace that empowers providers, augments insurance payors, and serves patients. Following the ma

The Company PayPal has been revolutionizing commerce globally for more than 25 years. Creating innovative experiences that make moving money, selling, and shopping simple, personalized, and secure, PayPal empowers consumers and businesses in approximately 200 markets to join and thrive in the global

*About Ceribell** Ceribell is a medical technology company focused on transforming the diagnosis and management of patients with serious neurological conditions. The Ceribell System is a novel, point-of-care electroencephalography (“EEG”) platform specifically designed to address the unmet needs of

*About The Company** Valon is building the AI-native operating system for regulated finance, starting with mortgage servicing. We're a Series C company backed by a16z, transforming industries that others have written off as too complex to innovate. Rather than build on top of broken legacy systems,