HERTFORDSHIRE Employer GEMSTONE IT SERVICES LIMITED Vacancy Description Develop responsive, visually appealing frontend websites using HTML, CSS, SASS/Tailwind. Customize and manage WordPress themes and plugins. Contribute to React and ReactNative application development. Work collaboratively with designers and backend developers. Participate in testing and troubleshooting frontend code. Engage actively in training and self-learning to More ❯
practices knowledge. Nice to have Experience with high-availability systems. Knowledge of Go, Rust, or C++. Familiarity with message queues (Redis), caches, and job queues. Experience with mobile development (ReactNative, Flutter, Native). More ❯
that utilizes automated testing, CI/CD pipelines and peer reviews in an Agile Environment Nice to Haves Strong engineering principles Excellent communication skills - written and verbal Experience in React and ReactNative Generous stock options Belfast Office IT Equipment - we'll provide you whatever you need to support your work (MacBook, display, accessories, etc) Annual More ❯
team's work reflects that Own and plan for security, compliance , and operational impact as part of every development cycle Key requirements: Essential Skills: Proficient in modern JavaScript , including React and/or ReactNative Strong knowledge of TypeScript Solid experience with Node.js Familiarity with REST and GraphQL APIs Strong understanding of responsive design and modern CSS … techniques Experience writing unit and component tests using Jest , React Testing Library , or similar Familiar with Storybook and writing visual regression tests (e.g., Storyshots) Comfortable with Docker and docker-compose Exposure to AWS services Experience with modern CI/CD pipelines like GitLab, GitHub Actions, or CircleCI Awareness of CDNs , shell scripting , and common CLI tools Experience with monitoring … Kubernetes and deployment tools like Helm Why Join H&B Tech? Help shape the future of digital wellness in a purpose-led business Work in a forward-thinking, cloud-native team that values innovation and autonomy Be part of a company that invests in your growth and learning Enjoy a flexible, collaborative environment with great people, competitive benefits, and More ❯
techniques and share insights with the team Explain technical decisions and systems clearly to both technical and non-technical audiences Key requirements: Essential Skills: Proficiency in modern JavaScript , particularly React and/or ReactNative Good working knowledge of TypeScript Experience with Node.js Understanding of REST and GraphQL APIs Ability to create responsive, accessible UIs using the … latest CSS techniques Confident in writing unit and component tests using tools like Jest and React Testing Library Familiarity with Storybook and snapshot testing (e.g., Storyshots) Experience with Docker and docker-compose Exposure to AWS services Familiarity with modern CI/CD pipelines such as GitLab, GitHub Actions, or CircleCI Comfortable working with shell scripting and command line tools … the future of health & wellness through technology Work in a collaborative, fast-paced, and purpose-driven environment Gain access to cutting-edge tools and practices in a truly cloud-native setting Grow your skills and career through continuous learning, mentorship, and support Enjoy flexible working , great benefits, and the chance to make a real impact Ready to create products More ❯
Manchester, North West, United Kingdom Hybrid / WFH Options
Adria Solutions
innovative greenfield projects Design scalable, maintainable systems Ensure security, accessibility, and usability Collaborate with a mission-driven team Key Skills & Experience:Essential: 3+ years software engineering experience Strong Java, React, and ReactNative skills Agile development experience CI/CD pipelines and DevOps expertise Relational databases (e.g. MySQL) knowledge Strong problem-solving and teamwork abilities Desirable: AWS More ❯
At Theodo, we help businesses create innovative digital solutions. Specialising in web and mobile apps, we bring deep expertise in cloud-native technology and agile delivery. As part of Theodo Group, we collaborate with a network of 10 companies globally, focusing on varied sectors! Role Overview We're looking for a Delivery Manager to oversee end-to-end projects … or delivery experience focusing on large-scale projects - Strong stakeholder management and risk mitigation skills - Experience in product management, including roadmap creation and feature prioritisation - Familiarity with AWS, Azure, React and ReactNative Why Join Us? - Work in a dynamic, collaborative global team. - Opportunities for career growth and development. - Competitive salary and benefits such as private healthcare More ❯
work and across the team Be a key player in the reliability, availability and scalability of software systems Requirements Strong experience with backend, frontend and mobile development with Node, React/ReactNative and PHP Experience with project management tools such as Jira or Linear Experience with cloud computing (AWS, GCP or Azure) Experience with designing and More ❯
Mobile Product Designer ......essential is native app experience *Outsdie IR35 - TO £550 a day* We are seeking a highly experienced and pragmatic Product Design Consultant to guide our product design team through the transition from ReactNative to native iOS and Android development. This role requires a hands-on individual who has theoretical knowledge and has More ❯
Mobile Product Designer ......essential is native app experience *Outsdie IR35 - TO £550 a day* We are seeking a highly experienced and pragmatic Product Design Consultant to guide our product design team through the transition from ReactNative to native iOS and Android development. This role requires a hands-on individual who has theoretical knowledge and has More ❯
engineers who can contribute to product discussions with technical insight. Responsibilities Technical leadership : Lead the development of complex features across our microservices architecture, from Go-based backend services to React/Next.js frontend applications System design : Architect and implement scalable solutions within our 40+ microservice ecosystem, ensuring proper service boundaries and communication patterns Cross-stack development : Work across our … that enables our technical teams to visit sites from the same app they use to do their work App & Web - Kitt's core customer experience is encapsulated in our native app and web products, which allows user's to access their space digitally, from opening doors, to booking desks and setting up subscriptions to services that Kitt provides. Operational … Inter-service communication GraphQL - Client-facing API gateway MySQL, PostgreSQL, Redis - Data storage and caching Google Cloud Pub/Sub - Event-driven architecture Frontend & Mobile TypeScript - Primary frontend language React & Next.js - Web applications ReactNative & Expo - Mobile applications CSS, CSS-in-JS - Styling GraphQL Codegen - Type-safe API integration Artificial Intelligence OpenAI & Gemini - We use OpenAI models More ❯
s development priorities, taking responsibility for entire user stories and associated integrations and bugs. Full-Stack Fluency: Design and implement backend and frontend systems using TypeScript, Next.js, Node.js and ReactNative, with infrastructure powered by Google Cloud, Vercel, AWS and other cloud-native platforms. Architecture Design: Choose the right tools for the job. From monoliths to microservices … building a range of Marketing sites, SaaS and mobile apps. Right to work in the UK and proficient in English, written and spoken. Proficiency with TypeScript, Next.js, Node.js and React Native. Experience deploying to Google Cloud, Vercel, or other cloud providers. Comfort working across REST, WebSockets, GraphQL, or gRPC APIs. Ability to architect and maintain scalable, secure systems with More ❯
our ways of working - within our regulatory standards (ISO 13485, ISO 27001). ️ We want to hear from you if you Have experience in the following tech stack: Frontend: React, State Management, ReactNative (optional but advantageous) Backend: Node, JavaScript, TypeScript Databases: MySQL Infrastructure: AWS (EC2, SNS/SQS, RDS, ES), Linux Docker Have experience in: Familiarity More ❯
quality products. Tech Stack: AWS Serverless Lambda with Node.js API Gateway (REST/JSON) DynamoDB S3 WAF Back-Office Banking Systems API Integration Dynamics 365 CRM React.js (website)/ReactNative (app) Responsibilities: Collaborate with cross-functional teams to understand project requirements and define test strategies and plans. Develop, document, and maintain detailed test cases and test scripts More ❯
Lead technical interviews and contribute to interviewer training. Lead engineering excellence : Champion and implement improvements in engineering efficiency and tooling. Demonstrate expert command of our core tech stack: Typescript, React, GraphQL, Postgres, React-Native, Terraform, AWS, and Github Actions. Apply advanced knowledge of algorithms, data structures, and design patterns. Utilise expert debugging skills with tools like Datadog More ❯
and renewable availability - Mobile & Web apps for customers to monitor and manage their energy usage - A pricing and billing engine for real time energy pricing The tech stack is ReactNative mobile app , some React web frontends , and a Serverless Lambda backend on AWS . We're using Typescript top to bottom , and Apollo GraphQL sits in More ❯
and renewable availability - Mobile & Web apps for customers to monitor and manage their energy usage - A pricing and billing engine for real time energy pricing The tech stack is ReactNative mobile app , some React web frontends , and a Serverless Lambda backend on AWS . We're using Typescript top to bottom , and Apollo GraphQL sits in More ❯
knowledge would be high advantageous, but we understand that smart people can learn quickly. You can demonstrate the ability to create Solution designs for high-availability systems and cloud native 3rd party solutions using notation like UML and C4. Your strong background in web technologies and modern programming languages (e.g., Java, Spring Boot, React JS and ReactNative) coupled with hands-on experience with cloud platforms, particularly ACP and GCP including PaaS design and workload migration will allow you to hold conversations with gifted developers. Your expertise in building scalable, secure, and resilient data architectures using modern architecture practices such as microservices, API-led design, CI/CD, infrastructure as code, and cloud-nativeMore ❯
of 7 years in software architecture and development, with a focus on trading platforms. Expert knowledge with JavaScript and Typescript, asynchronous programming, closures, types, ES6 In-depth knowledge with React framework, lazy loading, error capturing, concurrent mode, code splitting, patterns for code reuse, state management libraries, routing architecture Experience in development of Android/iOS applications and have deployed … on Google Play/App Store Strong knowledge with architecture and implementation of Android or iOS applications, experience with full mobile development life cycle Thorough understanding of ReactNative and its core principles Proficient in Java and Spring frameworks. Experience with Kafka and KStreams for building event-driven architectures. Strong understanding of microservices architecture and RESTful APIs. Familiarity More ❯
and engaging product surfaces. While you'll have exposure to our Python/Django back-end with SQL DB, the ideal candidate will bring deep expertise in technologies like React, Next.js, and modern front-end performance and SEO best practices. As part of the Health Alliance, you'll thrive in a collaborative, experimentation-driven environment where iteration, autonomy, and … shape how pet owners and sitters experience the platform with meaningful ownership over the features you build. Requirements Proven experience (4+ years) in full-stack development, including production-grade React (or similar), TypeScript, and backend development preferably with Python/Django or equivalent language/frameworks. Strong understanding of scalable web architecture, performance optimisation, and secure coding practices. Experience … start-up/scale-up environment. Familiar with Agile methodologies and working with Scrum/Kanban. Exposure to the payment domain and payment processors (e.g. Stripe). Curiosity for ReactNative and app development. Experience leveraging AI to enhance your own productivity. Familiarity with A/B testing frameworks or data-informed experimentation. £65,000 - £80,000 a More ❯
train AI models Knowledge of Infrastructure as Code, CI/CD Use of Middleware and RESTful or GraphQL APIs Microservices and MACH Architectures. HTML, CSS, Javascript frameworks such as React, or Mobile technologies such as SwiftUI, Kotlin, Flutter or React-native CMS and DXPs SaaS products integration Atlassian, Azure DevOps, GitLab or similar workflow tools Understanding of More ❯
Are you a talented C# Developer with a passion for building robust, scalable applications? Do you have experience delivering multi-platform mobile apps using technologies like .NET MAUI or ReactNative? If so, we want to hear from you! About the Role We're looking for a skilled developer to join our agile, fast-growing team. You'll … innovative features to life that delight our users. What You'll Do: Design, build, and maintain high-quality C# applications. Develop cross-platform mobile applications using .NET MAUI or React Native. Collaborate with designers and backend developers to deliver polished, user-friendly apps. Write clean, maintainable code and participate in code reviews. Optimize app performance and troubleshoot bugs across … Proficiency in XAML, Dependency Injection, Entity Framework Core (SQLite), Messaging (APNS, Firebase), and AutoMapper. Familiarity with RESTful APIs, GitHub/BitBucket, and CI/CD pipelines. Bonus: Experience with native iOS/Android development, cloud platforms (Azure/AWS), or backend development. Take your career to the next level Work on cutting-edge, high-impact projects. Fantastic opportunities within More ❯
Ability to interpret technical documentation, wireframes, and solution architectures Exposure to full-stack technologies, open source technologies and frameworks Awareness of mobile and web app development cycles (iOS, Android, ReactNative, Flutter, etc.) Comfortable working with APIs, integrations, and third-party service layers Good command over data handling, version control systems (Git, Bitbucket), and repository management Strong grasp More ❯
improving the existing codebase and tools. Focus on solving core problems rather than just symptoms. Required Qualifications, Capabilities, and Skills English proficiency; team based in London. Commercial experience in native iOS mobile app development. Good knowledge of object-oriented programming with Swift and Xcode. Strong analytical and problem-solving skills. Experience writing unit tests with XCTest. Experience with MVVM … UI testing frameworks like XCUITest. Experience with Design Systems and UI development. Knowledge of modularisation and dependency injection. Understanding of Accessibility and security considerations in mobile apps. Experience with ReactNative, feature flagging, and A/B testing. Experience in the FinTech sector. Portfolio of work (GitHub, Stack Overflow, etc.). More ❯
Newcastle upon Tyne, Tyne and Wear, Tyne & Wear, United Kingdom
Harvey Nash
This is a brand new position as the company is increasing it's headcount and they are looking for a Web Developer who has strong knowledge and experience of React and JavaScript. The Role The organisation is growing, they are acquiring new customers and are expanding their teams. You will be responsible for developing mobile applications for customers, each … customer will have a tailored application developed by you and your team. In this role, You will own the code base and develop high-quality and scalable code using ReactNative framework. You will be joining a team of 5, this team is hybrid so you must be able to travel to the office in Newcastle twice per … excellent communicator. A collaborative team player. An experienced Web Developer who has over 2 year's experience coding in JavaScript. Key Skills Required Have knowledge and experience with JavaScript, React and Typescript. You must be experienced in testing, preferably using Jest or Detox. Have experience developing both Android and iOS applications. Have an analytic and problem-solving mindset. Have More ❯