and Debugging: Experience with testing tools like pytest, unit tests, and debugging skills to quickly resolve issues. API Design: Strong knowledge of RESTful API design and implementation; knowledge of GraphQL is a plus. Security Best Practices: Awareness of security best practices in software development. Team Collaboration: Strong communication skills and the ability to collaborate effectively with cross-functional teams. Cloud More ❯
Tyneside, Newcastle Upon Tyne, Tyne and Wear, England, United Kingdom
Ronald James
approaches with a focus on testing, CI/CD, and scalability. Key Requirements: Frontend: Experience with React, Redux, and TypeScript. Backend: Expertise in Node.js microservices and familiarity with REST, GraphQL, asynchronous messaging, and JSON. Proficiency with NoSQL databases (e.g. MongoDB) and search technologies (e.g. Elasticsearch or Atlas Search). Strong understanding of automated testing, CI/CD pipelines, and integration More ❯
and maintaining cloud-native SaaS platforms. Hands-on with component libraries, monorepo tools (e.g., Nx, Turborepo), and state management (MobX, Zustand, Redux, or React Query). Familiar with REST, GraphQL, and real-time data streaming (e.g., WebSockets, SSE). Experience building for multi-tenant, micro-frontend architectures (preferred). Nice to Have Familiarity with accessibility standards (WCAG 2.1) and implementation More ❯
MVVM and MVP Significant experience leading teams of people or technical decisions Postman or similar tools Charles/Proxyman or similar tools Bitrise/Gitlab CI Swift/iOS GraphQL Microservice Architectures Docker, Kubernetes, and cloud platforms such as AWS, GCP or Azure Understanding of UX principles HTML, CSS, and related web technologies Experience with modern JavaScript libraries and tooling More ❯
Central London, London, England, United Kingdom Hybrid / WFH Options
Provide
Kanban environment. Requirements Proficiency in React, React Native, and Next.js is a strongly required. Proficiency in Frontend technology i.e. Javascript, Typescript, HTML, and CSS. Familiar with RESTful APIs and GraphQL Experience with Backend such as Python and mySQL or similar. Experience architecting web applications and supporting underlying CI/CD platforms. Consider the reusability of code, components, and module development More ❯
and deliver scalable, secure platforms with privacy-by-design principles. Expertise with AWS or Azure, Infrastructure-as-Code (Terraform) and event-driven systems. Experience with React, TypeScript and ideally GraphQL or micro-frontends. Excellent communication skills with the ability to influence technical and non-technical stakeholders. The stack youll be working with Cloud : AWS, Azure Compute : .NET 8, ECS, Azure More ❯
Norwich, Norfolk, England, United Kingdom Hybrid / WFH Options
Ascent Sourcing Ltd
who thrives in agile environments Ability to work independently and take ownership of tasks from start to finish Preferred Experience 3+ years of professional software engineering experience Familiarity with GraphQL, gRPC, REST API design Experience with relational databases such as MySQL or PostgreSQL Exposure to AI, LLM integrations, or symbolic/neural hybrid systems Background in enterprise SaaS delivery or More ❯
Excellent communication and stakeholder management skills. Desirable skills/knowledge/experience Experience with asynchronous programming (e.g., asyncio, Celery). Exposure to message brokers like RabbitMQ, Kafka. Understanding of GraphQL, gRPC, or WebSockets. Previous experience in architecting data-intensive or AI/ML-based systems. Certifications in cloud technologies or architecture (AWS/Azure Architect, TOGAF, etc.). Opportunities & Application More ❯
GitHub). Strong communication skills with an ownership mindset and a focus on delivering high-quality outcomes. Desirable Experience (Nice to have): Experience with AWS, Tailwind CSS, PostgreSQL, Express, GraphQL, Terraform, .NET Core, or C#. Familiarity with multi-tenanted architecture and accessibility standards. Knowledge of mobile application development. Enthusiasm for using AI development tools (such as AI-powered IDEs) and More ❯
City of London, London, England, United Kingdom Hybrid / WFH Options
Xpertise Recruitment Ltd
engineers Sharing insights and innovations across the wider tech community Tech You'll Work With: AWS (SDK, CDK, Lambda, Step Functions) Node.js Java (Spring Boot) Terraform/CloudFormation SQL, GraphQL Postgres, DynamoDB (nice to have) Kubernetes, GitHub Actions, Quarkus (nice to have) What You'll Bring: Proven experience building distributed systems and serverless applications Strong grasp of clean code principles More ❯
platform is being built out using Kotlin in a micro service based architecture and is deployed within Kubernetes/OpenShift containers. Kafka is used as the core messaging layer. GraphQL server. Best practices around DevOps techniques are expected to be utilised with real-time monitoring and metrics part of the key deliverables/best practice. The team also push for More ❯
on optimised bundles and code-splitting. CI/CD: Experience with GitHub Actions or Azure DevOps for automated deployments. Desirable skills: Experience with design systems (Storybook, Pattern Lab). GraphQL and Apollo. Next.js (SSR/SSG). Building Progressive Web Apps (PWA). Performance profiling using Core Web Vitals or Chrome DevTools. Docker for front-end containers. UX research (user More ❯
SQL, NoSQL, and emerging database technologies (e.g., Vector DBs); proven track record in schema design, indexing, and query optimization. API Development: Proven ability to design and scale RESTful or GraphQL APIs with a focus on reliability and performance. Python Expertise: Strong experience with Python for backend services (e.g., FastAPI, Flask, Django). Cloud & DevOps Knowledge: Hands-on experience with AWS More ❯
/AngularJS/ReactJS/Java/C#/GOLang) • Familiarity with AWS Storage, SQL and No SQL databases with awareness of protocols such as gRPC, Web-sockets and graphql • Knowledge of cloud architecture design patterns, Event driven, Micro-services architecture • Preferred experience in optimize cloud systems for scalability, security, and performance • Experience in agile software development • Advising and implementing More ❯
and proactively offering solutions. Displays strong communication skills and a team-oriented mindset. Must-Have Skills: Strong Experience in NodeJS and Typescript. Strong Experience with both consuming and developing GraphQL APIs Strong Experience working with React or other front end development frameworks. Experience with relational databases. Experience with Containers, Kubernetes, CI/CD, IaaC tooling, and Public Cloud platforms. Experience More ❯
/UI teams using Figma to deliver pixel-perfect and scalable interfaces. Build scalable eCommerce systems with integrations into OMS, IMS, WMS, and payment gateways. Work with REST APIs, GraphQL, and Webhooks for system integrations. Implement and maintain CI/CD pipelines (Jenkins, GitHub Actions, CircleCI, etc.). Follow Agile methodologies and TDD practices , ensuring high-quality and maintainable code. More ❯
record writing unit & integration tests. Strong problem-solving skills, with the ability to meet deadlines in collaborative environments. Nice-to-Have Skills Experience with Snowflake (cloud data warehousing). GraphQL API development experience. This is an urgent vacancy. If you are interested then please apply directly to the ad Randstad Technologies is acting as an Employment Business in relation to More ❯
and management. Strong expertise in Kong API Gateway, IBM DataPower, and IBM CloudPak for Integration. Hands-on experience with API design, development, and lifecycle management. Proficiency in RESTful and GraphQL API design and development. Experience with containerization (Docker, Kubernetes) and cloud platforms (AWS, Azure, GCP). Strong knowledge of API security standards, including OAuth, OpenID Connect, and API Gateway security. More ❯
of relational databases Preferred Qualifications Experience working with Knowledge Graphs and graph databases, such as Neo4J Experience working with Full-Text search databases, such as ElasticSearch Good understanding of GraphQL Experience working with Docker Experience working with a functional programming language Experience working with AWS or Google Cloud Our Technology Stack The list below is indicative and not exhaustive of More ❯
plus if you also have Experience with Dynamics 365, MS Portals, Azure WebApps/Services Familiarity with cloud hosting, DevOps, CI/CD pipelines Automated testing and QA frameworks GraphQL or REST API design skills What else we're looking for You're organised, detail-oriented, and confident juggling multiple priorities. You thrive in a team, but you're not More ❯
than a maintainer, and take full ownership of your deliverables. Exhibit excellent written and verbal communication skills in English. Desired Extras: Experience with low-latency, high-availability, and efficient GraphQL APIs. Experience with event-driven architectures. Familiarity with system and application monitoring, software distribution, patching, and maintaining CI/CD pipelines. Experience with relational databases. Experience with Python. Have worked More ❯
platform with third-party APIs and cloud services Skills required: JavaScript (ES6+) and TypeScript React (Next.js or similar modern framework) Node.js & Express for backend services (desirable) REST APIs and GraphQL Testing frameworks such as Jest, Cypress, or Playwright Experience with Git, CI/CD, and cloud hosting (AWS/Azure) Knowledge of accessibility standards (WCAG) is a plus, given the More ❯