18 of 18 Design Patterns Jobs in the City of London

methods and React hooks for performance and maintainability. Manage application state using appropriate strategies (e.g. Context API, Redux, Zustand) Apply React design patterns to ensure clean, reusable, and scalable code. Integrate TypeScript for type safety and improved developer experience. Ensure code quality through linting tools (e.g. ESLint … lifecycle and hooks. Solid experience with TypeScript in React projects. Familiarity with state management libraries and patterns. Knowledge of common React design patterns (e.g. container/presentational, HOCs, render props). Experience with linting tools and enforcing code quality. Proven testing experience with modern JavaScript testing frameworks. ...

everyone. Your skills and experience What you’ll bring: • Experience of Java • Experience of Spring framework or equivalent. • Knowledge of software design patterns and when to apply them • Excellent knowledge of development processes. • Experience of containerisation using Docker or Kubernetes • Experience of Continuous Integration (CI) and Continuous … passion for delivering quality code, by use of TDD and setting high software quality standard We’re also using the following technologies and patterns, it would be great if you had some of the skills, if not we can help develop them: • Designing microservice-based architectures using domain driven ...

Defence & National Security Role Summary Our client is seeking DV cleared Backend Developers to support high impact Defence and Security programmes. You will design, build and operate secure, cloud-native backend services that underpin mission-critical national systems. This is a hands on engineering role, focused on building … delivering production systems. Strong coding ability in Java, Python and/or JavaScript/TypeScript. Solid understanding of backend engineering fundamentals, design patterns and API design. Experience working in Agile teams (e.g. Scrum, Kanban). Strong communication skills and a collaborative mindset. Cloud & Engineering Experience building backend ...

development and testing, cloud computing and DevOps, AI/ML, data analytics, etc. We’ll Count on You To: Develop expertise in analysis, design, development, and testing software applications using modern application development frameworks, front-end, full-stack, and data engineering technologies, leveraging AI-assisted tooling and agentic … June 2026 Demonstrated knowledge of at least one or two programming languages (Python, Java, C#, JavaScript, etc.) Understanding of software design patterns, ML and cloud computing fundamentals (AWS or similar platforms) Hands-on experience with Gen AI-assisted software development tools (such as GitHub Copilot, Cursor, Cody ...

best practices such as peer code review and pair programming Clear understanding of fundamental computer science and software engineering concepts (e.g. design patterns, test-first design, SOLID principles) Desirable Familiarity with both Monolithic and Microservices-based systems A background in a product-led environment where ...

Strong knowledge of PostgreSQL (Postgres) - including schema design and query optimization Solid understanding of object-oriented programming principles and design Patterns Familiarity with front-end development and integration using HTML and JavaScript Experience with Jenkins and modern CI/CD practices Proficiency in AWS services ...

have a thorough understanding of software development and Computer Science fundamentals such as Object Oriented Programming, Data Structures and Design Patterns You are familiar with DevOps, CI/CD pipelines You're collaborative, enjoy problem solving and interacting with clients What ...

work closely with Content Platforms, Platform Services, Product Management, Business Stakeholders and Technology teams on the core of the SPGlobal technologies. Lead architectural design and implementation of next-generation cloud-based content platforms, including Content Creation, Newsletter platforms, Real-time news platforms, and Price Reporting systems as part … understanding of industry-specific requirements and compliance standards Experience leading technical teams or mentoring senior developers in architecture best practices and design patterns What's In It For You? Our Mission: Advancing Essential Intelligence. Our People: We're more than 35,000 strong worldwide ...

beneficial but not essential) Strong collaboration and communication skills 4+ years of experience in data-focused software development, including data modelling, design patterns, and building scalable, secure systems Working knowledge of software engineering principles and best practices, including testing, packaging, API design, DevOps, DataOps ...

unable to work at home 100% of the time. Your Role: Seeking a highly skilled and experienced Salesforce Designer to lead the design and implementation of complex Salesforce solutions As a Salesforce Architect you will play a pivotal role in shaping our Salesforce platform strategy ensuring it aligns … UpToDate with the latest releases and features Provide technical leadership and mentorship to development teams guiding them on best practices and design patterns Evaluate and recommend appropriate Salesforce technologies and tools to support business requirements Establish and enforce Salesforce development standards and governance policie Integration Data Management ...

liquidity providers and trading venues using the FIX protocol. You will be involved in the full software development lifecycle — from requirements and design through development, testing, and production support. This role focuses on building and maintaining systems where small details can have a direct financial … impact. Qualifications • 3+ years of experience in software development (C# or similar object-oriented language) • Experience with object-oriented programming and design patterns • Experience working with distributed or event-driven systems • Experience with Git, Visual Studio, and MS SQL (or similar tools) • Strong focus on performance ...

sports trading firm as a Backend Software Engineer, building real-time, high-performance trading systems with clear business impact. What you'll do: Design and develop low-latency backend systems and APIs in C# .Net Work on greenfield trading projects alongside strategy teams Contribute to scalable, high-performance … some frontend exposure with JavaScript/React You have a solid understanding of Computer Science fundamentals (OOP, Data Structures, Design Patterns, Algorithms) You have strong communication and teamwork skills What's in it for you: Salary up to £90k 10-25% bonus paid biannually Pension, private healthcare ...

Monitoring tools, particularly Grafana Experience working with large-scale backend systems (1M+ DAU) Strong knowledge of web protocols, application servers and design patterns Git, Gradle, Maven, CI/CD and Cloud Build proficiency Benefits: Competitive salary and remote working flexibility Private healthcare, life assurance, and income protection ...

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 …/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. ...

within the UK financial sector is embarking on a major data transformation programme. They are looking for an experienced Data Engineer to help design and deliver a modern, cloud‐first data platform that will underpin some of the organisation’s most critical functions. Responsibilities: Design, build …/CD practices using industry-standard tools (e.g., GitHub Actions, Azure DevOps). Strong understanding of data architecture principles and cloud-native design patterns. Essential Criteria Demonstrated ability to lead technical delivery, mentor engineering teams and collaborate with stakeholders to ensure alignment between data solutions and business strategy. ...

Remote based position Responsibilities: Lead the design and development of RESTful and SOAP APIs using MuleSoft Anypoint Platform, applying API-led connectivity principles (System, Process, Experience layers). Own and deliver complex Mule flows integrating cloud and on-premises applications, databases, and third-party systems, providing technical leadership … enforce best practices for unit testing using MUnit, ensuring high test coverage and quality standards. Lead deployment strategies and contribute to the design and optimisation of CI/CD pipelines. Provide BAU support (2030% of time), including leading incident resolution, delivering hotfixes, and conducting root cause analysis within ...

Develop architectural approach & principles and manage large-scale transformation programs. Provide architecture guidance for initiatives and solution designs, ensuring alignment with enterprise standards, principles, patterns, blueprints, etc. and escalate decisions to EARB, as required. Ensure DAB decisions, rationales, and approved architecture standards are clearly documented, published, and communicated effectively … alignment with the tooling and repository recommendations. Identify gaps in architecture assets to provide solution guidance for enhancing architecture frameworks, blueprints, roadmaps, and design patterns. Conduct quarterly capability matrix reviews, which will contribute to a summarized EARB capability review for the TLT view. Support architecture asset owners ...

employee journeys, including integration components and supporting systems. Detailed Documentation: Create comprehensive documentation using tools such as Confluence and JIRA, following established solution design patterns. This includes producing visual artefacts such as: Logical Architecture diagrams Sequence Diagrams Data Flow Diagrams Business Design Creation: Develop … stakeholder management capability Effective client engagement skills Ability to produce high‐quality documentation and architectural artefacts Experience with Confluence, JIRA, and structured design methodologies We are a Disability Confident Employer: Capgemini is proud to be a Disability Confident Employer (Level 2) under the UK Government’s Disability Confident ...