worlds largest enterprises. What youll be doing: Designing and developing enterprise-grade SaaS features across backend and frontend systems Building secure, scalable, and high-performing APIs and services (NestJS, GraphQL, REST) Creating data-driven dashboards and UIs with React, Next.js, and Chakra UI Translating product and design requirements into elegant, maintainable solutions Troubleshooting and optimising performance across the full stack … tooling, and processes What theyre looking for: 5+ years experience building enterprise SaaS products (ideally in cybersecurity or data-heavy environments) Strong backend development with TypeScript, NestJS, Sequelize ORM, GraphQL, REST APIs Frontend expertise with ReactJS, NextJS, Typescript, Chakra UI Experience with MySQL and NoSQL databases Familiarity with messaging/event-driven systems (Kafka) Ability to work closely with designers More ❯
experience in platform upgrades, performance optimization, and maintenance * Proficiency in JavaScript and ServiceNow development, including server and client-side scripting, security, and debugging * Experience with ServiceNow integrations using REST, GraphQL, IntegrationHub, security configuration, and third-party apps * ServiceNow certifications are highly preferred Who You'll Work With You will join an existing Agile squad comprised of engineers, architects, analysts, a More ❯
browser rendering behaviour. * Experience with front-end build tools, testing frameworks (Cypress, Jest or Vitest) and CI/CD pipelines. * Strong API integration skills, consuming and integrating RESTful and GraphQL APIs, with an understanding of security mechanisms. * Proficiency with development tools including Visual Studio, VS Code, Git, and GitHub. * Solid understanding of SEO principles, structured data, content delivery strategies, as More ❯
team to create new features in the app Be part of a team to deal with any incidents Engage in coding and RFC tests Requirements: Programming skill in Python, GraphQL and MongoDB Advanced skill in building APIs Previous experience in building on the blockchain Experience in working with start ups Benefits: Competitive salary Bonus Medical, Dental and vison insurance Flexible More ❯
sketch to live in hours, not months 🤝 Impactful work – collaborate with hardware teams solving world-changing problems What we’re looking for Strong skills across Figma, CSS, React, TypeScript, GraphQL Experience in startups – comfortable with fast-paced, high-ownership environments 2+ years as a Software Engineer The package £100k – £150k salary + meaningful equity Hybrid setup: 3 days per week More ❯
sketch to live in hours, not months 🤝 Impactful work – collaborate with hardware teams solving world-changing problems What we’re looking for Strong skills across Figma, CSS, React, TypeScript, GraphQL Experience in startups – comfortable with fast-paced, high-ownership environments 2+ years as a Software Engineer The package £100k – £150k salary + meaningful equity Hybrid setup: 3 days per week More ❯
Senior Software Engineers – TypeScript/Node.js/SQL/Kafka/GraphQL 📍 Central London | 💼 Equities Trading Business | No finance experience required. Miller Maxwell is assisting a leading equities trading business in expanding their core software engineering team. Based in their central London headquarters, the successful Senior Software Engineers will play a key role in the design and development of their … Develop and optimize SQL queries and database schemas for high-volume data processing. Integrate and manage Kafka for real-time data streaming and event-driven architecture. Build and maintain GraphQL APIs to support internal and external applications. Collaborate with cross-functional teams including frontend developers, product managers, and QA engineers. Contribute to code reviews, technical discussions, and continuous improvement initiatives. … Strong proficiency in TypeScript and Node.js . 🗃️ Solid experience with SQL databases (e.g., PostgreSQL, MySQL). 🔄 Hands-on experience with Kafka or similar messaging systems. 🌐 Experience designing and implementing GraphQL APIs. 🧪 Familiarity with testing frameworks and CI/CD pipelines. 🗣️ Excellent communication skills and a collaborative mindset. 🎁 What The Client Offer: 🌟 Be part of a high-impact team building cutting More ❯
React Native Engineer - FinTech Join a fast-growing fintech on a mission to redefine how people interact with their finances. Help build a platform that empowers individuals and businesses with smarter, faster, and more transparent financial tools, all wrapped in More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Hadte Group
React Native Engineer - FinTech Join a fast-growing fintech on a mission to redefine how people interact with their finances. Help build a platform that empowers individuals and businesses with smarter, faster, and more transparent financial tools, all wrapped in More ❯
In your role you will: Architect and implement AWS integrations using EKS (Kubernetes) and Lambda, with a focus on scalability and container orchestration. Build and manage secure REST/GraphQL APIs via API Gateway, including auth, throttling, and schema validation. Integrate with enterprise systems (e.g. SAP, Salesforce, Oracle) for both batch and real-time data flows. Use SQS, SNS, and More ❯
architecture landscape. What We're Looking For Extensive experience in enterprise and solution architecture , ideally within large-scale, regulated environments. Proven track record designing API-centric solutions (REST, SOAP, GraphQL) and implementing event-driven patterns . Strong understanding of integration architectures , microservices , and services-based delivery models . Solid knowledge of Java, .NET, SQL, and SOA environments, plus experience with More ❯
amalgamating disparate technology stacks, for instance reconciling authentication flowsone acquisition might rely on OAuth 2.0 with Auth0, another on Firebase Authand standardising them via a unified backend integration using GraphQL with Apollo Client for real-time queries. On the user journey side, you will map and streamline mobile pathways, merging fragmented experiences like payment processingperhaps one app uses Stripe's More ❯
amalgamating disparate technology stacks, for instance reconciling authentication flowsone acquisition might rely on OAuth 2.0 with Auth0, another on Firebase Authand standardising them via a unified backend integration using GraphQL with Apollo Client for real-time queries. On the user journey side, you will map and streamline mobile pathways, merging fragmented experiences like payment processingperhaps one app uses Stripe's More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Proactive Appointments
architecture landscape. What We're Looking For Extensive experience in enterprise and solution architecture , ideally within large-scale, regulated environments. Proven track record designing API-centric solutions (REST, SOAP, GraphQL) and implementing event-driven patterns . Strong understanding of integration architectures , microservices , and services-based delivery models . Solid knowledge of Java, .NET, SQL, and SOA environments, plus experience with More ❯
with Spring Boot , JPA/Hibernate , and PostgreSQL Comfortable working with APIs and version control (Git) It would also be an advantage if you have working exposure to: TypeScript, GraphQL, Docker, or Linux. This role will offer you a chance to become part of an experienced friendly, collaborative dev team that love to share their knowledge and experience of working More ❯
technology stacks, for instance reconciling authentication flows-one acquisition might rely on OAuth 2.0 with Auth0, another on Firebase Auth-and standardising them via a unified backend integration using GraphQL with Apollo Client for real-time queries. On the user journey side, you will map and streamline mobile pathways, merging fragmented experiences like payment processing-perhaps one app uses Stripe More ❯
model with 3 days per week in the office. Highly competitive package + bonus + benefits What You'll Bring Strong experience with React, TypeScript, Redux, Apollo Client, and GraphQL/REST APIs. Experience working in a cloud-native environment (AWS or Azure). Familiarity with data streaming (WebSockets, chunked responses) and front-end performance optimisation. Strong understanding of testing More ❯
City of London, London, United Kingdom Hybrid / WFH Options
La Fosse
development, and operation of innovative software solutions Strong skills in modern web development (Node.js, AWS, TypeScript) and a solid understanding of web architecture Proficiency in building and managing APIs (GraphQL & RESTful) and strong database fundamentals (MongoDB) In-depth knowledge of AWS services (e.g. Lambda, Aurora RDS, EC2, ECS, SQS) Familiarity with CI/CD, DevOps practices, and common design patterns More ❯
development, and operation of innovative software solutions Strong skills in modern web development (Node.js, AWS, TypeScript) and a solid understanding of web architecture Proficiency in building and managing APIs (GraphQL & RESTful) and strong database fundamentals (MongoDB) In-depth knowledge of AWS services (e.g. Lambda, Aurora RDS, EC2, ECS, SQS) Familiarity with CI/CD, DevOps practices, and common design patterns More ❯
london, south east england, united kingdom Hybrid / WFH Options
La Fosse
development, and operation of innovative software solutions Strong skills in modern web development (Node.js, AWS, TypeScript) and a solid understanding of web architecture Proficiency in building and managing APIs (GraphQL & RESTful) and strong database fundamentals (MongoDB) In-depth knowledge of AWS services (e.g. Lambda, Aurora RDS, EC2, ECS, SQS) Familiarity with CI/CD, DevOps practices, and common design patterns More ❯
Kanban, SAFe, Test-Driven Development (TDD), Behavior Driven Development (BDD) and Waterfall) Knowledge of any or all of the following technologies is desired: Kafka, Postgres, Golang, Git, gRPC, Docker, GraphQL · Experienced in continuous integration (CI), continuous deployment (CD) and continuous testing (CT), including tools such as Jenkins, Rally and/or JIRA and version control such as GIT or SVN. More ❯
Kanban, SAFe, Test-Driven Development (TDD), Behavior Driven Development (BDD) and Waterfall) Knowledge of any or all of the following technologies is desired: Kafka, Postgres, Golang, Git, gRPC, Docker, GraphQL · Experienced in continuous integration (CI), continuous deployment (CD) and continuous testing (CT), including tools such as Jenkins, Rally and/or JIRA and version control such as GIT or SVN. More ❯
London, England, United Kingdom Hybrid / WFH Options
SR2 | Socially Responsible Recruitment | Certified B Corporation™
apps using React Native and Expo Optimise app performance, implement modern architecture patterns, and handle push notifications, offline-first features, and state management Collaborate on backend APIs (REST or GraphQL) and integrate secure authentication methods - JWT, OAuth Deploy and manage cloud infrastructure and services on AWS, including Lambda, DynamoDB, S3, AppSync Support CI/CD pipelines and ensure high-quality More ❯
Hiring: GraphQL Full Stack Engineer - TypeScript | Cloud-Native | Contract (Outside IR35) 🚀 Expert level in GraphQL 📍 West London HQ | Hybrid (1–2 days on site) | Outside IR35 | 6-month initial contract (extensions likely) GraphQL-focused Software Engineer who can design, implement, and evolve high-performing APIs that scale. If crafting elegant GraphQL schemas, building robust TypeScript/Node.js services, and deploying … to cloud-native environments is your idea of fun, this is your next project. Deliverables Design & develop GraphQL API services from schema, supergraph, subgraph design to production integration, ensuring performance, flexibility, and maintainability. Build scalable TypeScript, Node.js services that integrate seamlessly with modern frontends and data sources. Apply DevOps best practices to deliver through CI/CD pipelines (Jenkins, Concourse … Kubernetes. Collaborate in Agile teams, driving API strategy, reviewing pull requests, and improving delivery processes. Ensure APIs are secure, observable, and performant at scale. Experience Strong production experience with GraphQL - from designing graph, supergraphs, subgraphs resolvers to versioning and evolving APIs. Proven skills in TypeScript and Node.js Back End development. Familiarity with testing frameworks (Vitest, Playwright) for both API and More ❯