East London, London, England, United Kingdom Hybrid / WFH Options
Avanti
Deliver new backend functionality in modern .NET (C#/.NET 8) Help integrate and validate React UIs Contribute to ongoing rebuild and refactor of legacy systems Work with REST & GraphQL APIs for third-party platform integrations Collaborate closely with a small, experienced team in a flat structure Remote-first – work from anywhere in the UK Tech Stack Backend: .NET More ❯
Skills A minimum of 4+ years of experience as a Golang Developer. Experience with AWS Cloud and/or developing Cloud applications. Experience with PostgreSQL. Experience working with Node.js, GraphQL, React Mobile projects, and Native technology. Ability to critically review feature requests and propose alternatives as needed. Strong software development skills. Implementation experience in Microservice Architecture. Excellent communication and interpersonal More ❯
environment. Follow CI/CD processes for deployment. Contribute to scaling product features for millions of users. Required Skills Programming Languages: Strong hands-on experience with TypeScript. Frameworks & Tools: GraphQL, Node.js, React. Cloud: Exposure to Google Cloud Platform (GCP) preferred. Architecture: Experience with microservices. Deployment: Familiar with CI/CD pipelines. Additional: Strong computer science fundamentals. Preferred Skills (Nice-to More ❯
While a strong desire to learn is essential, expertise in front-end development is not required initially, as we can teach on the job. Our web stack includes Java, GraphQL, Kubernetes, SQL, NoSQL, and AWS. Proficiency in Java is essential, and you will be coding in Java during interviews. Perks of Working at Viator Competitive compensation packages , including salary and More ❯
strong hands-on knowledge ofNode.js/Next.js Solid understanding ofcloud architecture and deployment, particularly withMicrosoft Azure Familiarity withInfrastructure as Code (IaC)tools such asTerraform Experience designing and developingRESTful and GraphQL APIs Proficient intesting and debugging, including unit, integration, and automated testing using frameworks likeJest, Mocha, and Cypress Knowledge ofauthentication, security best practices, and frameworks such asISO 27001andCyber Essentials Plus Experience More ❯
Oxford, Oxfordshire, United Kingdom Hybrid / WFH Options
Tripadvisor
you're eager to learn, we'll support you on the job, and front-end skills won't be assessed during the interview process. Our web stack includes Java, GraphQL, Kubernetes, SQL and NoSQL databases, all running on AWS. While experience with every tool isn't required, strong proficiency in an object-oriented programming language is essential. Perks of Working More ❯
of system design, software architecture, cloud, and software engineering standard methodologies Great leadership and coaching skills with the ability to develop engineering colleagues Tech stack React (Next.js/Typescript), GraphQL Federation, Java, Kotlin, Micronaut, Azure Cloud, GitHub, New Relic and Dynatrace Everyone's welcome We are ambitious about the future of retail. We're disrupting, innovating and leading the industry More ❯
working across the stack when needed, including diving into backend code and making sense of the wider architecture You have commercial experience working with NextJS using protocols such as GraphQL and gRPC in a production environment. You're familiar with accessibility standards and understand how to build inclusive user interfaces. You've seen projects through the entire development lifecycle, from More ❯
mainly Angular, Java, Python with strong understanding of SQL. Deep insights and understanding of modern technologies AI/ML, strong experience of AWS Services and efficient API development using GraphQL/Rest APIs. IT Strategy and Ownership: Proven track record to think strategically, analyse sophisticated problems, and develop innovative solutions to drive business value. Quality Assurance and Review: Own the More ❯
Java 8+, Spring Boot, and Spring Cloud in a microservices environment • Frontend development expertise with React.js, TypeScript, Redux, HTML5, CSS3, and Bootstrap • Experience building and integrating RESTful APIs and GraphQL services • Knowledge of Spring Batch for high-volume data processing • Proficiency with PostgreSQL (sharding, replication, indexing) and MongoDB for non-relational data • Familiarity with Redis for caching and performance optimization … Factory, DAO) and AOP for modular codebases • Strong background in security and compliance, including JWT, OAuth 2.0, Spring Security, and familiarity with FISMA/NIST standards • Testing experience, including GraphQL Tester for unit/integration testing and regression prevention • Experience working with CI/CD pipelines (GitLab CI or similar) • Ability to mentor and guide junior developers, fostering knowledge-sharing More ❯
Bootle, Merseyside, North West, United Kingdom Hybrid / WFH Options
Hyperloop Recruitment
role where you will work closely with all technology teams and offer mentoring to more junior developers. The tech stack: React.js/Next.js TypeScript JavaScript CI/CD pipelines GraphQL Azure SEO knowledge (Google Analytics) Passion for digital channels The role is paying up to £60,000 (DOE) + benefits & will be a hybrid working model of 2 days p More ❯
should have: BS degree in Computer Science or related field Minimum of 5 years of experience using React 16+ with TypeScript Experience working with both RESTful API's and GraphQL (Relay or Apollo experience is a bonus, but not required) Experience with recent versions of React, especially React Hooks and Context Experience with Jest and Cypress for unit and end More ❯
on a modern tech stack, including Angular, Java, Kafka, and AWS (EKS), offering scalable and streaming capabilities. Key Responsibilities Develop and maintain full-stack solution using Java (Spring Framework, GraphQL, Rest API, Kafka) and Angular. Ensure proper ingestion, curation, storage, and management of data to meet business needs. Write and execute unit, performance, and integration tests. Collaborate with cross-functional More ❯
Agile Comfortable with pair programming Complex problem solving skills Communication and teamwork skills User-focus in everything you do Nice to have (but not essential) Computer Science degree Figma GraphQL Go Javascript and React Proficiency in native mobile development languages, i.e. Swift or Kotlin More ❯
experience in network and concurrent programming An understanding of Ethereum protocols and proof of stake consensus Experience developing REST APIs, backend services, and automated pipelines Proficiency with SQL databases, GraphQL sources, and time series data Good knowledge of Unix shell scripting and command-line tools Familiarity with CEX/DEX trade lifecycle and common DeFi protocols Excellent attention to detail More ❯
powering our Editor Infrastructure for AI-driven features Speed and stability Collaborating with product and design on changes that impact user experience Our Stack Backend : Node.js, TypeScript, Fastify, Prisma, GraphQL, Temporal Frontend : React, Next.js, Redux, Tailwind Infra: Docker, GCP About you You are proactive. You are motivated to understand product/technical challenges You've been building web applications professionally More ❯
environments Additional Technical experience: Programming in Python for data processing, automation and ETL workflow orchestration Lucene-based search/indexing platforms: Elasticsearch and Apache Solr Message brokers (Kafka, RabbitMQ) GraphQL: schema design, API development, query optimization, and integrations DevSecOps practices and tools Experience as a scrum participant and software release processes Available to work after hours when mission requires Communicate More ❯
You're passionate about crafting seamless digital experiences that are accessible and delightful. You bring commercial experience with React and Next.js or similar modern frameworks in production, ideally with GraphQL, gRPC and REST. You care about writing clean, tested, maintainable code and know when to optimise. You've taken products through the full lifecycle from discovery through to scale. You More ❯
closely with product and QA. Bonus points: You enjoy sweating the details of both user experience and API design. You have actively worked on a live production app using GraphQL and DynamoDB. You have experience collaborating on product and design requirements with stakeholders. You are effective at collaborating in a remote and distributed work environment, maintaining open communication and strong More ❯
donegal, Donegal County, Republic of Ireland Hybrid / WFH Options
CompuStaff
Product and Engineering leads. Build clean, accessible UIs (Material Design/MUI or similar). Create wireframes, prototypes, and high-fidelity mock-ups when useful. Develop APIs (REST/GraphQL) and microservices; containerise with Docker. Work in AWS (CLI/local sandbox), automate tests (unit/integration/E2E), and own quality. Research new ideas, build quick POCs, and iterate … years’ full-stack experience with React/Next.js, Node.js, and TypeScript. Strong HTML/CSS/JavaScript fundamentals; CSS Modules/SASS; component libraries. API design with REST/GraphQL; microservice architecture. Databases: PostgreSQL plus NoSQL/graph exposure. CI/CD and Git; solid testing mindset (Vitest/Jest, Cypress, Testcontainers). Secure by design: token-based auth, authN More ❯
patterns: MVVM, VIPER, or Clean Architecture. Familiarity with dependency injection tools like Resolver, Swinject, or Needle. Experience working with CoreData, SPM, CocoaPods, and third-party SDKs. Integrate with RESTful & GraphQL APIs and backend services efficiently and securely Experience developing modular SDKs or reusable components. Deep understanding of iOS performance tools, debugging techniques, and testing frameworks (XCTest, XCUI). Experience with More ❯
Native, with 2+ years in a technical lead role Experience with large-scale SaaS applications Deep knowledge of React and React Native Strong JavaScript skills, preferably with TypeScript and GraphQL Understanding of Android and iOS platforms Experience with frontend testing frameworks Familiarity with modern build pipelines and tooling Knowledge of mobile UI/UX principles Problem-solving, attention to detail More ❯
Central London, London, United Kingdom Hybrid / WFH Options
Singular Recruitment
background. Strong proficiency in React.js , Next.js , and Tailwind CSS. Experience building dashboards or data-driven web applications. A solid understanding of cloud platforms. Familiarity with integrating REST APIs or GraphQL endpoints. Knowledge of performance tuning , accessibility standards , and responsive design best practices. Experience working in cross-functional teams ( design , backend , analytics ). Highly desirable skills include: Experience with data visualization More ❯
strengths-without needing analysts or complex tools.As a Senior Engineer, you'll help shape technical direction, build scalable solutions, and mentor other engineers. Tech stack: Python, JavaScript, TypeScript, React, GraphQL, RESTful APIs, AWS (ECS Fargate, Lambda, S3, RDS, Neptune, CloudFront, ALB), PostgreSQL, Amazon Redshift, Amazon Neptune, SQL, Kafka, Redis, Jenkins, Docker, Terraform, CodeBuild, CodeDeploy, CodePipeline, CodeArtifact, Git, Splunk, AWS IAM … ll get to lead technically while working alongside design and product to shape impactful solutions. The skills you bring: Expertise in designing and implementing scalable backend services and APIs (GraphQL + REST) in Python, leveraging 5-7+ years of backend engineering experience. Proficiency in developing and optimising data pipelines for large-scale ingestion, transformation, analytics, and real-time querying. More ❯
a passionate development team. Refine processes and explore tools that boost efficiency. What You Bring: Mastery of C# (.NET 6+), SQL Server, and TDD (NUnit). Expertise in RESTful & GraphQL APIs, Git, and SOLID principles. Strategic thinking, strong communication, and a love for collaboration. Bonus: Experience with Azure, DevOps, Entity Framework, and observability practices. Why You'll Love It Here More ❯