problem solve and quickly create awesome prototypes and user based solutions. Implement and maintain our design systems, component libraries and UI frameworks (e.g. ChakraUI, Tailwind). Develop and integrate GraphQL APIs to improve data efficiency and performance. Deploy containers using Docker, contributing to a smooth CI/CD workflow. Open to learning new technologies and best practices as the business … Deep expertise in modern web development technologies: TypeScript, ReactJS, NextJS, and NodeJS. Experience working with CSS, component libraries and design systems (ChakraUI, Tailwind or similar). Some knowledge of GraphQL for API development and integration. Proficiency with Docker and containerisation. A continuous learning mindset and adaptability in a fast-paced, evolving startup environment. Genuine excitement at the opportunity to work More ❯
London, Farringdon, United Kingdom Hybrid / WFH Options
Rullion - Eon
Join a dynamic energy provider dedicated to sustainable solutions in the UK. We seek enthusiastic and resourceful Backend Python Engineers at mid to senior levels who are passionate about crafting exceptional products. Initially it will be a five-month contract More ❯
performance and efficiency. Which skills/traits contribute to your success? 5+ years of experience building scalable web applications. 3+ years production experience with NodeJS , TypeScript , ReactJS/NextJS , GraphQL & PostgreSQL. Experience working with Python beneficial. Experience working in a product-driven , cross-functional team in a tech-driven startup. Excellent communication skills and fluent English. A proactive approach to … ownership-you don't wait to be told what to do. 5+ years of experience building scalable web applications. 3+ years production experience with NodeJS , TypeScript , ReactJS/NextJS , GraphQL & PostgreSQL. Experience working with Python beneficial. Experience working in a product-driven , cross-functional team in a tech-driven startup. Excellent communication skills and fluent English. A proactive approach to More ❯
Bristol, Gloucestershire, United Kingdom Hybrid / WFH Options
Hargreaves Lansdown PLC
solutions in a tech-driven environment. Your Responsibilities Develop and maintain mobile applications using React Native, React and TypeScript Integrate with backend services via REST API and/or GraphQL Work with React Native's new architecture , applying best practices for scalability and performance Write unit and integration tests using tools like Jest , Detox , and Testing Library Optimize the performance … debugging tools, logs, and error tracking. Practical knowledge of JavaScript and testing frameworks (Jest, Detox, Testing Library) . Experience in Brownfield Development . Experience working with REST API and GraphQL . Understanding of state management patterns and solutions like Redux and Mobx . Experience with React Native's new architecture . Knowledge of native iOS development (Swift, SwiftUI, Combine) and More ❯
to deliver end-to-end product functionality spanning experiment scheduling, automated image analysis, and remote operation of our devices. Develop and improve our frontend applications using TypeScript, React, and GraphQL to create intuitive interfaces for complex biological workflows. Build backend services that communicate with our hardware systems and learn about data integrity throughout the cell manufacturing process. Collaborate across disciplines … Experience with backend development and API design (Node.js preferred). Experience working with databases (PostgreSQL and Prisma or similar ORM experience ideal). Our technologies Frontend (Netlify): React, TypeScript, GraphQL, Storybook Backend (AWS & Heroku): NodeJS, TypeScript, GraphQL, MQTT, PostgreSQL, Python, Pulumi IaC Physical Device (on-premise): NodeJS, Typescript, FastAPI, Python, MQTT Firmware: C++, GTest, GMock, Bazel, Platformio Nice-to-Haves More ❯
You'll lead the migration from a legacy monolith to a modern microfrontend and Backend-for-Frontend (BFF) ecosystem, leveraging React, Next.js, TypeScript, and advanced communication protocols such as GraphQL and gRPC. What You'll Own Lead the design and implementation of scalable, performant, and maintainable frontend architectures that support diverse driver journeys and complex policy workflows. Drive innovation by … of architecting scalable frontend systems and migrating legacy codebases to modern frameworks. Deep understanding of accessibility standards (WCAG) and a passion for building inclusive user experiences. Experience working with GraphQL and gRPC APIs in production environments. Exceptional leadership and communication skills, comfortable mentoring engineers and influencing cross-functional teams. Strong advocate for engineering best practices, test-driven development, and continuous More ❯
Keynsham, Somerset, United Kingdom Hybrid / WFH Options
VC Evidensia UK
Build scalable, maintainable components within a shared design system Focus on accessibility, performance, and usability across devices and user groups Work closely with backend engineers to integrate APIs (REST & GraphQL) Champion best practices including automated testing, CI/CD, and code reviews Contribute to architectural decisions and advocate for frontend excellence Support and mentor junior team members as needed Deploy … cloud environment, ideally AWS Familiarity with design systems, component libraries, and scalable architecture Experience with frontend tooling such as Webpack, Vite, or similar bundlers Comfortable working with REST/GraphQL APIs and agile delivery workflows A passion for collaboration, clean code, and continuous improvement Bonus if you also have: Experience with hybrid rendering models (SSR, SSG, ISR) Exposure to monitoring More ❯
riddled with interesting challenges as we continue to scale out our platform with a fast growing list of customers. Our technologies include Ruby on Rails, React, AWS SES, Go, GraphQL, Redis, Elasticsearch, Amazon Redshift, and others. Engineering at StackAdapt: At StackAdapt, you will be directly involved in leading your team to deliver production level code that will have a direct … impact on the success of our product. You will work with large data sets and have exposure to modern tech stacks such as GoLang, Ruby on Rails, React, GraphQL and more. StackAdapt's engineering organization believes in working collaboratively and cross functionally. You will get the opportunity to work in a diverse and flexible culture with dedicated career paths to More ❯
At Twilio, we're shaping the future of communications, all from the comfort of our homes. We deliver innovative solutions tohundreds of thousands of businesses and empower millions of developers worldwide to craft personalized customer experiences. Our dedication to remote More ❯
and CSS. Experience in CDN and edge caching. Specific experience with CloudFlare is a plus!. Understanding of accessibility and SEO. Familiarity with browser testing and debugging. Familiarity with GraphQL and GraphQL libraries such as Relay or Apollo (or be willing to learn). Familiarity with WebGL and/or JavaScript-based animation libraries (ie, D3.js or paper.js) is a More ❯
us do just that. About the job We're looking to hire an experienced JavaScript Engineer to help us build beautiful, robust, and scalable digital health products using React, GraphQL, and Node . You'll be working on tools that are actively improving access to healthcare across the UK and making a real difference in people's lives. While Evaro … be collaborating with Developers, Designers, and other colleagues spread across Europe. In this role In this role you will: Build and maintain performant front-end experiences using React and GraphQL Contribute to Node-based backend APIs that power patient-facing and internal tools Collaborate with Design, Product, and QA to deliver polished, accessible digital experiences Write clean, scalable, and well … contributing ideas and insights across the stack Requirements 3+ years of professional experience with modern JavaScript (ES6+) Strong skills in React , including component architecture and state management Experience with GraphQL in production environments Experience building and maintaining Node.js applications and APIs Comfortable working in Git-based, agile environments with cross-functional teams Solid understanding of testing best practices and CI More ❯
per month Central London Office - 2 days per week (flex) Up to £85,000 per annum + Benefits + 10% Bonus (see below) ️Tech Stack: TypeScript, React, Next, Node, GraphQL, AWS The Company We have been exclusively engaged by one of the UKs most successful companies, averaging almost a billion unique visitors annually, averaging 20% YoY growth for the past … for a Software Engineer to support cross functional, collaborative engineers in one of several customer and platform focused engineering teams. The stack is Typescript based, with React, Next, Node, GraphQL and AWS as core skills. There are also opportunities to work with Python, Golang and React Native across the platform across dynamic challenges and projects critical for their continued success. More ❯
Newcastle Upon Tyne, Tyne and Wear, England, United Kingdom Hybrid / WFH Options
Nigel Wright Group
JavaScript modules. You will be joining the team responsible for rebuilding this site, and moving it to a unified AstroJS & React world. We also have a mixture of REST & GraphQL APIs, and work with Headless CMS. What You'll Do: Lead Frontend Initiatives: Own the development of major features and enhancements, ensuring they’re delivered on time and to a … understanding of performance optimisation and Core Web Vitals Experience implementing and maintaining SEO best practices Proficiency with Git/GitHub in a team environment Experience consuming RESTful APIs and GraphQL endpoints Experience with pair programming and conducting code reviews Problem-solving mindset More ❯
payment integration . Key Responsibilities: Design and build robust, scalable React Native mobile apps using TypeScript and Expo (managed + ore-build workflows) Integrate with REST APIs and potentially GraphQL Implement local storage strategies (e.g., Zustand, MMKV) with offline-first logic and background syncing Debug native crashes & understand how to troubleshoot native modules using Xcode/Android Studio (Ideally) Integrate … demonstrate end-to-end delivery - from MVP to production Excellent communication & problem-solving skills Desirable: Prior payment provider integration (Stripe, Adyen, or similar) in a mobile app Experience with GraphQL Familiarity with telco/eSIM products Why Join: Be part of building a brand new digital product from POC to launch Work in a fast-paced, ambitious environment with clear More ❯
WunderGraph is a fast-growing startup, and we're on a mission to redefine how companies leverage GraphQL Federation at scale. Our North Star is to enable collaboration across small and large organizations by using APIs as the backbone of business growth. Making this look easy for customers actually means solving complex technical challenges, which is why we're looking … Azure) and Infrastructure as Code tools (e.g., Terraform , Pulumi). A strong understanding of system architecture, distributed systems, and the challenges of running high-performance API gateways. Familiarity with GraphQL Federation is a significant plus. Experience building or managing modern observability stacks (e.g., OpenTelemetry, Prometheus, Grafana, ClickHouse). A self-starter attitude and a leader's mindset: you are comfortable More ❯
WunderGraph is a fast-growing startup, and we're on a mission to redefine how companies leverage GraphQL Federation at scale. Our North Star is to enable collaboration across small and large organizations by using APIs as the backbone of business growth. Making this look easy for customers actually means solving complex technical challenges, which is why we're looking … the WunderGraph Cosmo Studio and its underlying Node.js control plane, the primary interface through which developers at companies like eBay and SoundCloud build and manage their mission-critical federated GraphQL APIs. Your primary responsibility is to architect and build the definitive user experience for modern API development, creating a single, cohesive product that bridges our high-performance Go-based router … by putting engineers in direct contact with users through shared Slack channels and customer calls. ROLE OBJECTIVES You are successful if you: Enable our customers' engineering teams to manage GraphQL Federation fast, reliably, and with confidence through the world-class WunderGraph Cosmo Studio you build. Take full ownership of major features within the Cosmo Studio-and own them completely, from More ❯
a hybrid position, requiring about 1-2 days a week onsite at our Brighton HQ. About you: We're needyour strong front-end skills, deep experience with REST and GraphQL APIs, and solid grasp of the eCommerce ecosystem. If you love solving complex problems and want to make a real impact in a fast-moving, collaborative environment,we'd love … control (e.g., Git). Hands-on experience with BigCommerce (Stencil) and Webflow. Proven ability to build and manage integrations using Celigo or similar iPaaS platforms, with solid REST/GraphQL API knowledge. Familiarity with GTM and GA4 for analytics and tracking implementation. Strong problem-solving skills and attention to detail. Why TGB? At TGB, we're driven by passion and More ❯
days will be focusing on getting to know our HackerOnies. You will join your new squad and be onboarded - get to learn the technology stack (Ruby on Rails + GraphQL + ReactJS + many more). Within 60 days, you will have committed a bunch of code to our repositories and will start developing a knack for being a fast … 5+ years of experience in full-stack software engineering, especially within a SAAS environment, preferably with experience in Ruby on Rails, ReactJS and TypeScript, generative AI, ElasticSearch/OpenSearch, GraphQL Practical experience with GenAI and running LLM models in production Proven experience leading and delivering cross-functional projects from start to finish Strong track record of individual contributions to business More ❯
EC1V 9NR What you will be doing Language - Design, build, and maintain efficient, reusable, and reliable Ruby/Elixir code Polyglot - All our services are built-in Ruby, Elixir, GraphQL federation or Typescript, depending on which language best suits the solution Messaging - For communication, we use Kafka for events and gRPC or JSON for synchronous calls. Kubernetes - All our services … architecture and best practices Culture - Contribute to a healthy engineering culture of feedback and growth What we are looking for Technologies - Strong understanding of languages such as Elixir, Ruby, GraphQL or TypeScript Distributed Systems - You understand how to build, deploy and maintain a globally distributed system. Event-driven architecture - Knowledge of event-driven systems and tools/protocols like Kafka More ❯
As one of the original Shopify partners and first agencies to be made a Shopify expert, we bring a level of technical knowledge which stands us above the crowd. Squashed Pixel is the Shopify agency for founder-led brands looking More ❯
Play a pivotal role in revolutionising fibre networking, not only within London but extending beyond. You will be joining a Sunday Times Best Place to Work in the UK, which is on a mission to build a fibre network that More ❯
Cambourne, Cambridgeshire, United Kingdom Hybrid / WFH Options
Remotestar
years of professional experience in web development, with a focus on e-commerce platforms. JavaScript & TypeScript: Strong proficiency in JavaScript and TypeScript for front-end and back-end development. GraphQL: Experience with GraphQL for efficient data querying and manipulation. Shopify Expertise: In-depth knowledge of Shopify's ecosystem, including the Shopify API, CLI, and app extensions. Required experience: Engineering experience More ❯
At Apollo GraphQL, we're on a mission to empower developers by simplifying how software applications communicate with infrastructure. Our technology supports some of the largest GraphQL APIs in the world, and we're reshaping the API landscape. With over 1 billion downloads, we've become essential infrastructure for teams building modern APIs. Now, we're expanding our reach and More ❯
Pathhead, Midlothian, United Kingdom Hybrid / WFH Options
Apollo GraphQL
At Apollo GraphQL, we're on a mission to empower developers by simplifying how software applications communicate with infrastructure. Our technology supports some of the largest GraphQL APIs in the world, and we're reshaping the API landscape. With over 1 billion downloads, we've become essential infrastructure for teams building modern APIs. Now, we're expanding our reach and More ❯
WunderGraph is growing fast, and we're on a mission to redefine how companies leverage GraphQL Federation at scale. Our North Star is to enable collaboration across small and large organizations, leveraging APIs as the backbone of growing the business. If you want to make an impact, make your voice heard, and work in a no BS organization so you … role in a fast-paced environment, we'd love to hear from you. You will be in charge of Build software along our entire stack (Next.js, React, Typescript, tRPC, GraphQL, Tailwind) Maintain, deliver, and take ownership of high-quality features for our SaaS product . Ensuring optimal performance, reliability, and developer experience (DX). Analyzing telemetry data and collaborating with … You are a self-starter with excellent prioritization skills, capable of managing your workload independently-no hand-holding needed. You are proficient in TypeScript, React, and Node.js. Experience with GraphQL, Tailwind, tRPC is a plus. Ideally, you have experience contributing to open-source projects. You are comfortable with remote work and thrive in a fully remote environment. Excellent communication skills More ❯