26 to 37 of 37 Design Patterns Jobs in the City of London

fast paced environment; loves the challenge to solve some of the hardest AI challenges; and eager to grow into a top engineering leader. What you'll be doing Design and implement Eunice user-facing applications for all product lines. Manage interactions between user-facing applications & the AI/data platform behind it. Participate in company/product strategy … Engineering Expertise - You have at least 5 years of experience in the industry and a solid foundation in computer science concepts: You enjoy solving complex coding and system design problems. You have deep knowledge in at least one popular … coding language for building web-based applications on both FE and BE, ideally Typescript, Javascript/NodeJS, etc. You have experience with common software and system design patterns and infrastructure including APIs, cloud infrastructure tools, storage solutions, data structures etc. Ideally you have experience working on AI/Crypto projects, or you are very eager to learn More ❯

to align engineering to ambitious commercial objectives Experience in line management responsibilities while remaining deeply technical Desire for building API-first products Deep understanding of software design patterns, SOLID principles, and test-driven development Experience with Agile methodologies, including peer reviews & pair programming. Ability to translate business needs into scalable technical solutions Benefits: Competitive salary and bonus More ❯

to align engineering to ambitious commercial objectives Experience in line management responsibilities while remaining deeply technical Desire for building API-first products Deep understanding of software design patterns, SOLID principles, and test-driven development Experience with Agile methodologies, including peer reviews & pair programming. Ability to translate business needs into scalable technical solutions Benefits: Competitive salary and bonus More ❯

service delivery and updates. Requirements : The technical requirements for the role are: Must haves: Ability and experience in system programming using Golang. This includes knowledge of database (MongoDB) access patterns (e.g., Optimistic Concurrency Control - OCC) and schema design, domain-driven architecture, and concurrency. Proven experience developing production-grade RESTful APIs ideally with an API-first approach. Some … proficiency in JavaScript/TypeScript-based frontend development, with extensive expertise in React. This includes a deep understanding of the DOM, component design, CSS, and state management. Familiarity with Kubernetes-specific platform components and principles , such as load balancers, cluster DNS, autoscalers, API/SDK toolsets, and the operator pattern. Experience developing and containerizing microservice applications is a … releases, preferably with GitHub Actions. Nice-to-haves: Familiarity with the OpenAPI specification and code generation toolsets for API development. Some experience with Python, modern development techniques, and design patterns. Experience in data science tools and ML tools (e.g., NumPy, pandas, scikit-learn, PyTorch) and open-source contributions (especially Python-based) would be a bonus. Familiarity with CUDA More ❯

service delivery and updates. Requirements : The technical requirements for the role are: Must haves: Ability and experience in system programming using Golang. This includes knowledge of database (MongoDB) access patterns (e.g., Optimistic Concurrency Control - OCC) and schema design, domain-driven architecture, and concurrency. Proven experience developing production-grade RESTful APIs ideally with an API-first approach. Some … proficiency in JavaScript/TypeScript-based frontend development, with extensive expertise in React. This includes a deep understanding of the DOM, component design, CSS, and state management. Familiarity with Kubernetes-specific platform components and principles , such as load balancers, cluster DNS, autoscalers, API/SDK toolsets, and the operator pattern. Experience developing and containerizing microservice applications is a … releases, preferably with GitHub Actions. Nice-to-haves: Familiarity with the OpenAPI specification and code generation toolsets for API development. Some experience with Python, modern development techniques, and design patterns. Experience in data science tools and ML tools (e.g., NumPy, pandas, scikit-learn, PyTorch) and open-source contributions (especially Python-based) would be a bonus. Familiarity with CUDA More ❯

re passionate about performance, have strong Core Java and SpringBoot expertise, and thrive in a collaborative yet opinionated engineering culture, we want to hear from you. Key Responsibilities : Design, develop, and optimize low-latency, high-throughput backend systems using Core Java and SpringBoot. Build and maintain RESTful APIs and microservices that power secure payment workflows. Work with XML … applications on Red Hat OpenShift and/or Kubernetes. Strong cloud experience with AWS services such as ECS, EKS, Lambda, S3, etc. Solid understanding of MongoDB and NoSQL design patterns. Prior experience in Payments Processing, financial services, or banking systems. Strong communication skills and a bias toward action and opinionated design decisions. Nice to Have : Familiarity More ❯

re passionate about performance, have strong Core Java and SpringBoot expertise, and thrive in a collaborative yet opinionated engineering culture, we want to hear from you. Key Responsibilities : Design, develop, and optimize low-latency, high-throughput backend systems using Core Java and SpringBoot. Build and maintain RESTful APIs and microservices that power secure payment workflows. Work with XML … applications on Red Hat OpenShift and/or Kubernetes. Strong cloud experience with AWS services such as ECS, EKS, Lambda, S3, etc. Solid understanding of MongoDB and NoSQL design patterns. Prior experience in Payments Processing, financial services, or banking systems. Strong communication skills and a bias toward action and opinionated design decisions. Nice to Have : Familiarity More ❯

delivering modern, cloud-native solutions—rebuilding internal systems, creating efficient digital processes, and ensuring scalable, high-quality software delivery. As Lead Java Developer you will be responsible for: Design and develop modern, cloud-based services using Java and Node.js. Build and maintain microservices and UI components, ensuring seamless integration between front-end interfaces and back-end APIs. Implement … developing modern cloud-native applications using Java and Node.js. Strong background in microservices architecture, including both front-end (UI) and API components. Proficiency in Kafka and event-driven design patterns. Deep understanding of AWS cloud services and architecture best practices. Strong experience with NoSQL (MongoDB) and SQL databases. Expertise in containerization with Docker and orchestration with Kubernetes. Experience More ❯

the role are: Must have Strong proficiency in JavaScript/TypeScript-based frontend development, with extensive expertise in React. This includes a deep understanding of the DOM, component design, CSS, and state management. Solid performance and security knowledge: profiling, memoization, code-splitting, tree-shaking, bundle analysis, Core Web Vitals, OAuth2/OIDC, JWT handling, CSRF/XSS mitigation … SRI, dependency hygiene. Proven experience interacting with and co-designing production-grade RESTful APIs ideally with an API-first approach. Strong knowledge of frontend polling and other async interactions patterns such as: polling/SSE/WebSockets for long-running tasks, optimistic updates, progress states, idempotent actions. Proficiency in integration, component and unit testing, with a strong commitment to … version control, testing, and releases, preferably with GitHub Actions. Nice to have Some experience in backend system development (ideally using Golang). This includes knowledge of database (MongoDB) access patterns (e.g., Optimistic Concurrency Control - OCC) and schema design, domain-driven architecture, and concurrency. Familiarity with the OpenAPI specification and code generation toolsets for API development. Some experience More ❯

the role are: Must have Strong proficiency in JavaScript/TypeScript-based frontend development, with extensive expertise in React. This includes a deep understanding of the DOM, component design, CSS, and state management. Solid performance and security knowledge: profiling, memoization, code-splitting, tree-shaking, bundle analysis, Core Web Vitals, OAuth2/OIDC, JWT handling, CSRF/XSS mitigation … SRI, dependency hygiene. Proven experience interacting with and co-designing production-grade RESTful APIs ideally with an API-first approach. Strong knowledge of frontend polling and other async interactions patterns such as: polling/SSE/WebSockets for long-running tasks, optimistic updates, progress states, idempotent actions. Proficiency in integration, component and unit testing, with a strong commitment to … version control, testing, and releases, preferably with GitHub Actions. Nice to have Some experience in backend system development (ideally using Golang). This includes knowledge of database (MongoDB) access patterns (e.g., Optimistic Concurrency Control - OCC) and schema design, domain-driven architecture, and concurrency. Familiarity with the OpenAPI specification and code generation toolsets for API development. Some experience More ❯

marketing integrations, and scalable system design. You’ll work with engineering and product teams to turn ideas into practical, high-impact solutions. Key responsibilities include: Authentication & Identity Strategy Design secure, scalable authentication flows Address multi-program user scenarios and SSO challenges across web and mobile platforms, in coordination with the group strategy on the topic Platform Architecture Lead … Integration & Data Connectivity Architect integrations with CRM tools (Braze, Heap.io, LaunchDarkly) and broader ecosystem Support convergence initiatives with platforms like Smarter and Explorer Technical Leadership Championing technology standards and patterns across engineering teams Contributing to enterprise roadmaps and technology strategy Guide engineering teams on architectural best practices Participate in code reviews and mentor developers on secure and efficient design … blueprints and transition plans Accountability for the creation and maintenance of architectural decision records. Participate in architecture review processes and approval workflows Ensure compliance with enterprise architecture standards and patterns, identifying and controlling divergences from established patterns Escalate architectural decisions that require broader organisational input Skills and experience required: A proven track record and senior-level expertise in More ❯

scalable system design. You’ll work closely with product, engineering, and business teams to turn big ideas into practical, high-impact solutions. Key responsibilities include: Authentication & Identity Strategy Design secure, scalable authentication flows across Edenred+ and Reward Gateway. Address multi-program user scenarios and SSO challenges across web and mobile platforms, in coordination with the group strategy on … Connectivity Architect integrations with CRM tools (Braze, Heap.io, LaunchDarkly) and Edenred’s broader ecosystem. Support convergence initiatives with platforms like Smarter and Explorer. Technical Leadership Championing technology standards and patterns across engineering teams Contributing to enterprise roadmaps and technology strategy Guide engineering teams on architectural best practices. Participate in code reviews and mentor developers on secure and efficient design … census and governance models Accountability for the creation and maintenance of architectural decision records. Participate in architecture review processes and approval workflows Ensure compliance with enterprise architecture standards and patterns, identifying and controlling divergences from established patterns Escalate architectural decisions that require broader organisational input Skills and experience required: A proven track record and senior-level expertise in More ❯