101 to 125 of 149 React Jobs in Northern Ireland

technical stakeholders Significant commercial experience operating at senior developer level in both back-end and front-end areas Nice to have Experience with React Native or React, or equivalent frameworks Experience in writing automated unit tests using NUNIT Good understanding of waterfall, agile and scrum development methodologies, and their practical ...

significant experience working with TypeScript and React. Any further experience with Next.js/Angular/Vue.js is beneficial Experience with mobile development frameworks like React Native is beneficial. Experience with GraphQL, preferably using Apollo Client with React for efficient data fetching and state management. Experience in Unit Testing with Jest ...

delivery of enterprise-scale digital platforms across cloud, data, and AI ecosystems. The role combines deep technical expertise in Java, Microservices, Angular/React, Snowflake, Databricks, Cloud Technologies, and AI-enabled solutions with strong leadership, architecture, and stakeholder management capabilities. The successful candidate will drive modernization initiatives, establish engineering standards … deliver scalable, secure, and data-driven solutions. Key ResponsibilitiesLead architecture, design, and delivery of enterprise applications using Java, Spring Boot, Microservices, Angular/React, and Cloud-native technologies. Define technology strategy and roadmap for application modernization, AI adoption, and platform engineering. Design and implement scalable data solutions leveraging Snowflake, Databricks ...

platform Design and implement APIs to expose data for downstream consumers Contribute to cloud-based data platform development in AWS Support lightweight frontend work (React/TypeScript) for data-focused tools where needed Implement observability practices (logging, monitoring, tracing) across data pipelines and APIs Improve reliability, performance, and failure handling … requirements Good communication skills and experience working in cross-functional teams Nice to Have Experience with TypeScript or JavaScript Experience contributing to frontend applications (React) Familiarity with observability tooling (logging, monitoring, tracing) Experience with data modelling and metadata management Exposure to CI/CD practices for data pipelines and services ...

Build and tune AI voice agent pipelines — including speech recognition, natural language understanding, dialogue management, and text-to-speech • Develop and maintain the frontend (React/Next.js) and backend (Node.js/Python) components of the platform • Integrate the voice agent with the portfolio company's existing systems (CRMs, telephony platforms … years of professional software development experience, or equivalent strong project-based work • Strong proficiency in TypeScript and modern JavaScript • Experience building production applications with React and Next.js (routing, SSR/SSG, API routes, data fetching) • Backend experience with Node.js and/or Python (REST APIs, authentication, third-party integrations) • Working ...

Build and tune AI voice agent pipelines — including speech recognition, natural language understanding, dialogue management, and text-to-speech • Develop and maintain the frontend (React/Next.js) and backend (Node.js/Python) components of the platform • Integrate the voice agent with the portfolio company's existing systems (CRMs, telephony platforms … years of professional software development experience, or equivalent strong project-based work • Strong proficiency in TypeScript and modern JavaScript • Experience building production applications with React and Next.js (routing, SSR/SSG, API routes, data fetching) • Backend experience with Node.js and/or Python (REST APIs, authentication, third-party integrations) • Working ...

Build and tune AI voice agent pipelines — including speech recognition, natural language understanding, dialogue management, and text-to-speech • Develop and maintain the frontend (React/Next.js) and backend (Node.js/Python) components of the platform • Integrate the voice agent with the portfolio company's existing systems (CRMs, telephony platforms … years of professional software development experience, or equivalent strong project-based work • Strong proficiency in TypeScript and modern JavaScript • Experience building production applications with React and Next.js (routing, SSR/SSG, API routes, data fetching) • Backend experience with Node.js and/or Python (REST APIs, authentication, third-party integrations) • Working ...

Build and tune AI voice agent pipelines — including speech recognition, natural language understanding, dialogue management, and text-to-speech • Develop and maintain the frontend (React/Next.js) and backend (Node.js/Python) components of the platform • Integrate the voice agent with the portfolio company's existing systems (CRMs, telephony platforms … years of professional software development experience, or equivalent strong project-based work • Strong proficiency in TypeScript and modern JavaScript • Experience building production applications with React and Next.js (routing, SSR/SSG, API routes, data fetching) • Backend experience with Node.js and/or Python (REST APIs, authentication, third-party integrations) • Working ...

this product end-to-end - from the Go services that ingest and model AI spend, through the APIs that expose it, to the React interfaces where FinOps practitioners and platform engineers make decisions. This is a young product in a category being defined right now. You'll shape … production Strong Go for backend services - APIs, data processing, and the operational realities of running them Strong TypeScript and modern React, with a good eye for how data should be presented Comfortable across the stack. You may lean backend or lean frontend, but you can own a feature from ...

this product end-to-end - from the Go services that ingest and model AI spend, through the APIs that expose it, to the React interfaces where FinOps practitioners and platform engineers make decisions. This is a young product in a category being defined right now. You'll shape … production Strong Go for backend services - APIs, data processing, and the operational realities of running them Strong TypeScript and modern React, with a good eye for how data should be presented Comfortable across the stack. You may lean backend or lean frontend, but you can own a feature from ...

this product end-to-end - from the Go services that ingest and model AI spend, through the APIs that expose it, to the React interfaces where FinOps practitioners and platform engineers make decisions. This is a young product in a category being defined right now. You'll shape … production Strong Go for backend services - APIs, data processing, and the operational realities of running them Strong TypeScript and modern React, with a good eye for how data should be presented Comfortable across the stack. You may lean backend or lean frontend, but you can own a feature from ...

interfaces to the application services behind them Real-time market-data presentation and high-throughput, low-latency application code across FX, Equities, and Cryptocurrency React and reactive state management (RX, MobX, or similar) for demanding, data-dense trading interfaces Distributed systems and real-time data over REST, WebSockets, and network … reliability is not optional What We Need Technical: Strong full-stack engineering ability with deep TypeScript/JavaScript (ES6+) (5+ years) Solid experience with React and reactive state management (RX, MobX, or similar) Real working ability in Rust — it's part of our stack and not optional at this level. ...

deploy, monitor, and control AI security agents. Responsibilities You will set the technical direction for Mission Control's UI across the full stack: React front end, the APIs behind it, and the automation that deploys and tests your work. You will be the integrator across product, design, and backend - bringing … Extensive meaningful hands-on engineering experience developing large scale systems using JavaScript, TypeScript, or similar. Direct hands-on experience with and deep knowledge of React and TypeScript, plus one or more UI back-ends (Rails, Swing, Node, etc.). Micro-frontend (MFE) experience, or a desire to ramp into ...

ciency in Java and extensive hands-on experience with serverless frameworks (e.g., AWS Lambda, Google Cloud Functions). Solid understanding of frontend technologies, including React and Web Components, with the ability to contribute when needed. Expertise in designing and managing distributed systems, ensuring scalability, and advanced data modeling techniques. Demonstrated … cost effi ciency. Ability to make strategic technical decisions while balancing project deadlines and business goals. Preferred Skills: Experience with frontend technologies such as React, Angular, or Web Components is a plus. Familiarity with monitoring and observability tools (e.g., CloudWatch, New Relic, Datadog). Knowledge of data modeling and working ...

ciency in Java and extensive hands-on experience with serverless frameworks (e.g., AWS Lambda, Google Cloud Functions). Solid understanding of frontend technologies, including React and Web Components, with the ability to contribute when needed. Expertise in designing and managing distributed systems, ensuring scalability, and advanced data modeling techniques. Demonstrated … cost effi ciency. Ability to make strategic technical decisions while balancing project deadlines and business goals. Preferred Skills: Experience with frontend technologies such as React, Angular, or Web Components is a plus. Familiarity with monitoring and observability tools (e.g., CloudWatch, New Relic, Datadog). Knowledge of data modeling and working ...

ciency in Java and extensive hands-on experience with serverless frameworks (e.g., AWS Lambda, Google Cloud Functions). Solid understanding of frontend technologies, including React and Web Components, with the ability to contribute when needed. Expertise in designing and managing distributed systems, ensuring scalability, and advanced data modeling techniques. Demonstrated … cost effi ciency. Ability to make strategic technical decisions while balancing project deadlines and business goals. Preferred Skills: Experience with frontend technologies such as React, Angular, or Web Components is a plus. Familiarity with monitoring and observability tools (e.g., CloudWatch, New Relic, Datadog). Knowledge of data modeling and working ...

Olo is a leading SaaS platform accelerating digital transformation in the restaurant industry, by helping customers deliver more personalised and profitable guest experiences. As a result, our digital ordering, payment, and guest engagement solutions enable ...

Olo is a leading SaaS platform accelerating digital transformation in the restaurant industry, by helping customers deliver more personalised and profitable guest experiences. As a result, our digital ordering, payment, and guest engagement solutions enable ...

We’re looking for a hands-on engineering lead with a passion for building AI-powered products and shaping engineering culture. You’ll provide technical leadership while remaining close to the code, partnering with teams ...

comfortable across frontend, backend, and the database layer. A polyglot mindset — you evolve with the tech. Familiarity with Ruby on Rails, TypeScript, Node.js, or React.js is a strong plus. Proven full-stack experience across frontend (React.js), backend, and database layers. Technical depth in at least one engineering domain: distributed systems … skills and openness to collaborative idea-sharing across teams. Preferred Qualifications: Core Stack Experience: Familiarity with Ruby (including Ruby on Rails), TypeScript, Node.js, or React.js is a strong plus. Why Firstup? Because you care - about people, the work you do, and the connections you make. Work is such a large ...

comfortable across frontend, backend, and the database layer. A polyglot mindset — you evolve with the tech. Familiarity with Ruby on Rails, TypeScript, Node.js, or React.js is a strong plus. Proven full-stack experience across frontend (React.js), backend, and database layers. Technical depth in at least one engineering domain: distributed systems … skills and openness to collaborative idea-sharing across teams. Preferred Qualifications: Core Stack Experience: Familiarity with Ruby (including Ruby on Rails), TypeScript, Node.js, or React.js is a strong plus. Why Firstup? Because you care - about people, the work you do, and the connections you make. Work is such a large ...

comfortable across frontend, backend, and the database layer. A polyglot mindset — you evolve with the tech. Familiarity with Ruby on Rails, TypeScript, Node.js, or React.js is a strong plus. Proven full-stack experience across frontend (React.js), backend, and database layers. Technical depth in at least one engineering domain: distributed systems … skills and openness to collaborative idea-sharing across teams. Preferred Qualifications: Core Stack Experience: Familiarity with Ruby (including Ruby on Rails), TypeScript, Node.js, or React.js is a strong plus. Why Firstup? Because you care - about people, the work you do, and the connections you make. Work is such a large ...

comfortable across frontend, backend, and the database layer. A polyglot mindset — you evolve with the tech. Familiarity with Ruby on Rails, TypeScript, Node.js, or React.js is a strong plus. Proven full-stack experience across frontend (React.js), backend, and database layers. Technical depth in at least one engineering domain: distributed systems … skills and openness to collaborative idea-sharing across teams. Preferred Qualifications: Core Stack Experience: Familiarity with Ruby (including Ruby on Rails), TypeScript, Node.js, or React.js is a strong plus. Why Firstup? Because you care - about people, the work you do, and the connections you make. Work is such a large ...

features that measurably improve the day to day for hosts and property managers, help migrate our front end from Ember to React, and strengthen the connection between Uplisting's operations platform. Here's what you'll get to do: Ship production-ready code across the full stack, from … features end-to-end. From pitch to production. Set the bar on code quality through reviews, testing standards, and clear documentation. Mentor engineers on React best practices and help shape our technical roadmap. Use AI tools to speed up your own work and share what works with the team. Work ...

features that measurably improve the day to day for hosts and property managers, help migrate our front end from Ember to React, and strengthen the connection between Uplisting's operations platform. Here's what you'll get to do: Ship production-ready code across the full stack, from … features end-to-end. From pitch to production. Set the bar on code quality through reviews, testing standards, and clear documentation. Mentor engineers on React best practices and help shape our technical roadmap. Use AI tools to speed up your own work and share what works with the team. Work ...