20 of 20 Design Patterns Jobs in the City of London

craft intuitive user experiences and interfaces for our voice-first AI products and services, with an initial focus on our AI-powered dialer and virtual assistant. You'll design an intuitive, engaging, and trustworthy experience for our users, with a special focus on simplifying complex conversational AI interactions. Working closely with product managers, engineers, and AI specialists, you … development discussions. Develop comprehensive user flows, wireframes, mockups, and high-fidelity prototypes for mobile applications incorporating voice AI technology. Take primary design ownership of novel AI interaction patterns, including the real-time call screening interface and AI-generated call summaries. Design a clear, transparent user onboarding process, with a focus on sensitive consent flows for … specific guidelines. Proficiency in creating wireframes, user flows, and high-fidelity mockups. Experience with interactive prototyping tools to demonstrate voice and visual interactions. Understanding of mobile design patterns and guidelines for both iOS and Android platforms. Knowledge of responsive design principles and techniques. Familiarity with design systems and component-based design More ❯

craft intuitive user experiences and interfaces for our voice-first AI products and services, with an initial focus on our AI-powered dialer and virtual assistant. You'll design an intuitive, engaging, and trustworthy experience for our users, with a special focus on simplifying complex conversational AI interactions. Working closely with product managers, engineers, and AI specialists, you … development discussions. Develop comprehensive user flows, wireframes, mockups, and high-fidelity prototypes for mobile applications incorporating voice AI technology. Take primary design ownership of novel AI interaction patterns, including the real-time call screening interface and AI-generated call summaries. Design a clear, transparent user onboarding process, with a focus on sensitive consent flows for … specific guidelines. Proficiency in creating wireframes, user flows, and high-fidelity mockups. Experience with interactive prototyping tools to demonstrate voice and visual interactions. Understanding of mobile design patterns and guidelines for both iOS and Android platforms. Knowledge of responsive design principles and techniques. Familiarity with design systems and component-based design More ❯

Senior User Researcher 📍 London (Hybrid working) 💸 Up to £76,000 + 10% bonus + benefits 🕊️ Permanent | Human-Centred Design | Public Sector We’re hiring a Senior User Researcher to join a global design studio that’s redefining how people experience public services. You’ll lead research that puts people first—shaping accessible, meaningful services that deliver … long-term value. This role sits in a multidisciplinary team where design, strategy and tech are deeply integrated. You'll work alongside designers, BAs, engineers and product teams to ground decisions in real insight. 💡 What you’ll be doing: Plan and lead end-to-end user research across Discovery, Alpha, Beta and Live phases Use mixed methods (depth … roles Strong experience working on complex digital services in agile teams Confident presenting to senior stakeholders and advocating for users Knowledge of GDS standards, GOV.UK design patterns, and public sector delivery Understanding of accessibility and inclusive design principles Eligible for SC clearance (British citizen or 5+ years continuous UK residency) Experience with SaaS or More ❯

the intersection of legacy systems, modern development, and AI-assisted engineering. Key Responsibilities - Collaborate with the existing team to re-engineer Oracle PLSQL stored procedures into C# services. - Design and implement .NET-based components that integrate with both legacy PHP systems and new PostgreSQL databases. - Work closely with business analysts and stakeholders to ensure functional parity and identify … opportunities for enhancement. - Participate in the design of a hybrid architecture that supports phased migration. - Use AI-assisted tools to analyze, translate, and optimize legacy code. - Support BAU operations during the migration period, ensuring system stability and continuity. - Contribute to code reviews, testing strategies, and documentation. Required SkillsExperience - 5+ years of experience in .NET/C# development, with … and modern systems coexist. - Comfortable using AI tools (e.g., GitHub Copilot, ChatGPT, code translators) to assist in development and migration tasks. - Solid understanding of software architecture, design patterns, and integration strategies. - Excellent communication skills and ability to work collaboratively in a cross-functional team. Desirable Skills - Experience with PHP, especially in legacy systems. - Familiarity with DevOps practices More ❯

a good knowledge of networking protocols e.g. TCP/IP, multicast You have a strong grounding in Computer Science fundamentals e.g. multi-threading, OOP, Data Structures, Design Patterns You're collaborative with great communication skills What's in it for you: *Please note this is a 12 month Fixed Term Contract, with full benefits* As a C++ More ❯

A seed-stage startup who are revolutionising work management with AI, is on the hunt for a Senior Product Designer and their second design hire. If you're used to the pace and ambiguity of a start-up—and thrive on solving complex design problems in fast-moving environments—this is your chance to make a … lasting impact in a business that’s scaling fast. Job: Senior Product Designer Location: London Salary: £80K Role : Own the complete design … lifecycle for key product initiatives, from initial problem framing to polished UI. Translate complex product logic into clear, intuitive, and elegant interfaces. Define and evolve scalable design patterns, tokens, and workflows within Figma. Contribute to and maintain our comprehensive design system across multiple product surfaces. Collaborate closely with product, engineering, and leadership to ship solutions More ❯

A seed-stage startup who are revolutionising work management with AI, is on the hunt for a Senior UX Designer and their second design hire. If you're used to the pace and ambiguity of a start-up—and thrive on solving complex design problems in fast-moving environments—this is your chance to make a … lasting impact in a business that’s scaling fast. Job: Senior UX Designer Location: London Salary: £80K Role : Own the complete design … lifecycle for key product initiatives, from initial problem framing to polished UI. Translate complex product logic into clear, intuitive, and elegant interfaces. Define and evolve scalable design patterns, tokens, and workflows within Figma. Contribute to and maintain our comprehensive design system across multiple product surfaces. Collaborate closely with product, engineering, and leadership to ship solutions More ❯

good knowledge of analytics and Risk for one or more financial products You have a strong knowledge of Computer Science fundamentals such as OOP, Data Structures, Design Patterns, Algorithms You have experience within a similar financial trading systems environment You are collaborative with excellent communication skills You are degree educated in Computer Science or similar STEM discipline More ❯

Playwright, WebdriverIO, or Selenium. Solid understanding of CI/CD, Git workflows, and test integration into delivery pipelines. Strong Java experience Skilled in using OOP principles, design patterns, SOLID practices, and dependency injection. Comfortable leading coding reviews and hands-on pairing sessions. Knowledge of non-functional testing areas including performance, compatibility, accessibility, and security. If you're More ❯

hands-on role at a global Asset Manager with c$3 million under management. As a Senior Software Engineer within the trading engine team you'll collaborate to design and develop real-time trading systems, you'll often be collaborating with he strategy team on Greenfield projects which you'll take ownership of and will see the business … strong knowledge of databases (SQL or Oracle) You're comfortable with JavaScript/React You have a thorough knowledge of Computer Science fundamentals such as OOP, Design Patterns, Data Structures, Algorithms You are collaborative with excellent communication and stakeholder management skills You are degree educated in Computer Science or similar technical discipline What's in it for More ❯

a Java Software Engineer you will develop, test and maintain high-quality, low-latency Java applications handling millions of requests per day, collaborating with cross-functional teams to design systems that meet business and regulatory requirements. You'll seek to continuously improve system performance and scalability, implement automated testing, CI/CD pipelines and document system workflows, architecture … and design decisions. Location/WFH: You can work from home from anywhere in the UK on a fulltime basis, 0900-1800 with some flexibility around start/finish times - please note: you must have the right to work in the … UK and be UK based. About you: You have strong Java development experience including concurrency, garbage collection, low level performance optimisation, data structures and memory efficient design patterns You have experience with low latency systems, particularly OMS (Order Management Systems), EMS (Execution Management Systems) You have strong design skills and can explain full system workflows More ❯

You will use cutting-edge Java programming techniques so experience in this area is essential. As a Senior Developer, youll not only code but also take on key design responsibilities, shaping impactful projects. You'll mentor junior members of the team, driving innovation in a fast-paced, high-stakes environment. If youre ready to make a real impact … Expert Level Java Development: You will apply your in-depth knowledge of the Java programming language (8->21) to implement world class trading and pricing systems. Collaborative Development: Design and develop innovative pricing and risk components for our market-making operations, impacting a wide array of asset classes. Cross-Functional: Partner with financial engineering, quant teams, and other … Java development experience within financial systems, ideally in pricing or risk-related applications. Not just a coder, but someone who also focuses on applying best practices, design patterns and principles to develop scalable, maintainable and high-quality code. Experience working within Collections framework Someone who enjoys maths/logic problems and challenges Experience across one or more More ❯

Developer/Backend Software Engineer (Go Kafka API) London/WFH to £110k Do you have a deep knowledge of Go/Golang combined with software architecture and design skills? You could be progressing your career as a Golang Developer at a start-up payments technology company that is revolutionising the payments industry to Africa, improving speed, cost … and reliability. As a Golang Developer you'll focus on backend system design, event driven architecture and APIs with a focus on scalability and reliability. You'll join a small, collaborative, Agile team working on 2 week sprints, you'll be a key part of tech discussions and decision making. Location/WFH: You'll join colleagues in … driven architectures, Kafka, API development You have a product based mindset and commercial acumen You have a thorough understanding of Computer Science fundamentals such as OOP, Design Patterns, Data Structures You have experience of working on scalable, distributed systems You're collaborative with Agile team experience What's in it for you: As a Golang Developer you More ❯

the ideal candidate must have experience in the telecoms industry. Experience and Skills required for the role: Proven experience developing in Node.js Solid experience with Microservices Design Patterns and Architecture Demonstrable experience in build/run/deploy within a containerized environment & sidecar concepts Cloud API Gateway experience with either APIGee, Endpoints, or Mulesoft, Kubernetes, GitHub, GitLab More ❯

service requirements • Working with multiple technical teams to identify end to end solutions that balance business, security, availability and resiliency requirements • Creating and documenting designs utilizing design patterns and standard approaches to best meet requirements • Configuration of devices to deploying new services into production • Participating in the prioritization and scheduling of implementation activities. • Managing stakeholder requirements • Active More ❯

iOS role with a fast-growing product and an experienced team. You’ll help implement designs that support a seamless uni search experience, collaborate with back-end and design, and take real ownership of the app's future direction. You’ll write clean, scalable Swift/SwiftUI code, shape the architecture, and lay the foundations for a growing … years’ commercial iOS experience (Swift/SwiftUI) Solid experience building apps that scale, with good performance and UX Strong understanding of OOP, functional programming, and modern design patterns Confident working with REST APIs and GraphQL A proactive mindset and ability to work independently Someone who cares about product quality, not just shipping features This is a brilliant More ❯

totaled $13.8 billion. Java Full Stack SME (Java with React) Responsibilities Lead full-stack development initiatives across enterprise-grade applications. Collaborate with cross-functional teams including product, design, and DevOps to deliver scalable and secure software solutions. Drive technical excellence in both frontend and backend development, ensuring high performance and maintainability. Provide thought leadership in software engineering practices … Automation & Testing: Hands-on experience with automated testing frameworks like Jest , Cypress , and Pact . Strong understanding of software architecture principles including microservices, service-oriented architecture (SOA), and design patterns. Proven ability to define technical solutions aligned with business goals and industry best practices. Must have exposure to Agile methodologies and DevOps practices. Excellent oral and written communication More ❯

Key Responsibilities Lead the design, development, and deployment of scalable full stack applications using React and AWS services. Collaborate with cross-functional teams including Product, Architecture, and Test to deliver high-quality software. Champion best practices in software engineering, including CI/CD, automated testing, and code reviews. Mentor junior engineers and contribute to a culture of continuous … improvement. Participate in sprint planning, technical design sessions, and architectural reviews. Required Skills & Experience Strong proficiency in React. Deep experience with AWS services such as Lambda, API Gateway, DynamoDB, S3, and CloudFormation. Solid understanding of TypeScript, Node.js, and RESTful API design. Familiarity with DevOps practices and tools (e.g., GitHub Actions, Terraform, CloudWatch). Experience working in Agile environments … Ability to challenge existing approaches and drive innovation within the team. Desirable Exposure to AWS AI services (e.g., Lex, Bedrock). Experience with serverless architectures and event-driven design patterns. Familiarity with containerization (Docker, ECS) and observability tooling. Team Fit A proactive mindset with a passion for mentoring and uplifting team performance. Strong communication skills and the ability More ❯

Experience of working with sales professionals and commercial responsibility for strategic organisational goals. Software Engineering A deep knowledge of a wide range of different languages, frameworks, stacks and design patterns. Deep experience with containerisation and orchestration tools (e.g. Docker, Kubernetes), CI/CD, TDD, Agile working and modern software engineering practices in general. Experience working within multidisciplinary teams … with product, design, and technical disciplines all successfully collaborating. Advanced understanding of at least one cloud platform - able to spin up an infrastructure with IAC and justify the choices made in creating it. Very strong technical understanding of the benefits, drawbacks and operating principals of the major databases, queues and other infrastructure services. A proven track record of More ❯

a comprehensive background in designing and implementing scalable, loosely coupled architectural solutions that support flexibility, maintainability, and rapid evolution of systems. This includes a deep understanding of modular design principles, service-oriented and microservices architectures, and the ability to decouple system components to reduce interdependencies and improve fault tolerance. Key Responsibilities: Architectural Design. Lead on the … architecture and design of CRM solutions that align with business goals and strategic objectives. Architectural Alignment . Ensure alignment with our architecture and IT standards, principles and patterns and best practices, or highlighting where this is not the case API Integration. Integrate external APIs and other data sources to bring near Real Time data and updates into … and roadmaps for CRM deliveries. Security. Ensure the security, privacy, and integrity of all data across the system. Documentation. Create comprehensive technical documentation to support the system's design, implementation, and integration processes (eg C4 modelling, document as code with Mermaid/PlantUML). API Integration. Integrate external APIs and other data sources to bring near Real Time More ❯