1 to 25 of 36 Permanent Design Patterns Jobs in the City of London

store, passion, vision and dynamism are part of our DNA – and that extends to our team. Job Purpose: As a Product Designer at Liberty, you will support the design and delivery of engaging, user-friendly digital experiences. Working as part of the product design team, you’ll contribute to projects across Liberty’s ecommerce platform and … other digital touchpoints. This is a great opportunity to develop your skills, gain experience across the full product design process, and learn from more senior designers while contributing to real customer-facing solutions. Key Responsibilities: Assist in creating user flows, wireframes, prototypes, and high-fidelity designs that clearly communicate ideas and solutions. Support the design of … inform improvements. Work independently on defined project phases, consistently delivering user-centred solutions with reliability and focus. Contribute to the documentation of design decisions, design patterns, and guidelines to support team knowledge sharing. Stay curious about design trends, tools, and emerging best practices, bringing new ideas and inspiration to the team. Collaborate with More ❯

dynamic environment where your ideas will influence strategy, your technical skills will solve business-critical challenges, and your leadership will inspire teams to achieve excellence. Accountabilities Build Engineering – Design, deliver, and maintain high-quality infrastructure and Salesforce solutions with measurable reliability, scalability, and performance. Incident Management – Proactively monitor system health, resolve outages or vulnerabilities, and use data insights … 2GP, CI/CD, modular architecture). Deep expertise in Salesforce data architecture, Flows, Apex, Lightning Web Components (LWC), OmniStudio. Strong integration knowledge (APIs, ETL, asynchronous/event-driven patterns). Proficiency in Salesforce design patterns and scalable component-based development. UI/UX development aligned with accessibility and responsive design standards. Experience with More ❯

dynamic environment where your ideas will influence strategy, your technical skills will solve business-critical challenges, and your leadership will inspire teams to achieve excellence. Accountabilities Build Engineering – Design, deliver, and maintain high-quality infrastructure and Salesforce solutions with measurable reliability, scalability, and performance. Incident Management – Proactively monitor system health, resolve outages or vulnerabilities, and use data insights … 2GP, CI/CD, modular architecture). Deep expertise in Salesforce data architecture, Flows, Apex, Lightning Web Components (LWC), OmniStudio. Strong integration knowledge (APIs, ETL, asynchronous/event-driven patterns). Proficiency in Salesforce design patterns and scalable component-based development. UI/UX development aligned with accessibility and responsive design standards. Experience with More ❯

deploy, and monitor solutions using AWS services (Lambda, API Gateway, CloudWatch, ECS, ECR, Dynamo, S3 etc.) Integrate APIs into CI/CD pipelines using Azure DevOps, Github workflows Design, deploy, and manage applications tailored to business needs, while customizing platforms and overseeing the full API lifecycle using Apigee Edge and X. Drive API strategy execution, provide technical support … Ability to generate custom analytics reports for API consumption and errors Implementation of API security and access control (OAuth, API keys, JWT, etc.) Familiarity with API design patterns, best practices, and performance optimization Excellent collaboration and communication skills Randstad Technologies Ltd is a leading specialist recruitment business for the IT & Engineering industries. Please note that due to More ❯

Treasury team in London. The firm operates at hedge fund scale with a start-up pace, focusing on building high-performance trading platforms. In this role, you will design and develop cutting-edge trading, funding, and liquidity management systems, working directly with traders and decision-makers in a live-market environment. Responsibilities: Architect and code resilient applications for … language, with integration into data platforms and tools. Engage directly with traders and treasury stakeholders during live situations, adapting to evolving requirements and delivering solutions on the fly. Design and optimise data pipelines for real-time and historical treasury data, ensuring accuracy and performance in analytics. … Work with operations teams to deploy, monitor, and scale systems, ensuring uptime and quick incident response. Identify technology gaps and inefficiencies, experimenting with new tools and design patterns to enhance speed and quality. Experience: 5-15 years of software engineering experience, ideally in Treasury or from a hedge fund/buy-side firm Expertise in Python for More ❯

Treasury team in London. The firm operates at hedge fund scale with a start-up pace, focusing on building high-performance trading platforms. In this role, you will design and develop cutting-edge trading, funding, and liquidity management systems, working directly with traders and decision-makers in a live-market environment. Responsibilities: Architect and code resilient applications for … language, with integration into data platforms and tools. Engage directly with traders and treasury stakeholders during live situations, adapting to evolving requirements and delivering solutions on the fly. Design and optimise data pipelines for real-time and historical treasury data, ensuring accuracy and performance in analytics. … Work with operations teams to deploy, monitor, and scale systems, ensuring uptime and quick incident response. Identify technology gaps and inefficiencies, experimenting with new tools and design patterns to enhance speed and quality. Experience: 5-15 years of software engineering experience, ideally in Treasury or from a hedge fund/buy-side firm Expertise in Python for More ❯

Senior Software Developer | £85,000 | London | Financial Services Overview: A leading financial services organisation is seeking a Senior Software Developer to drive the design, development, and delivery of critical technology solutions across its operations. This high-impact role sits at the heart of business transformation, focused on building scalable systems to support reporting, compliance, and operational efficiency.The successful … candidate will combine hands-on technical expertise with strong business acumen, driving the development of innovative solutions to support complex, enterprise-scale systems. Role & Responsibilities: Lead the design and delivery of enterprise applications and reporting systems Develop tools for dashboards, analytics, and operational monitoring Build and maintain APIs, data pipelines, and automation for business processes Implement scalable solutions … and data quality Enhance and integrate commercial off-the-shelf (COTS) platforms where required Collaborate with business stakeholders to gather requirements and deliver tailored solutions Define design patterns, development standards, and quality controls Lead and mentor developers, managing performance and growth Contribute to technology strategy, promoting innovation and best practices Essential Skills & Experience: 8+ years in software More ❯

engineering team. This is a hands-on technical leadership role with high visibility and impact across the organization. You’ll work on large-scale systems, contributing to the design and development of modern, scalable, cloud-native .NET applications. You'll collaborate closely with platform teams, influence tech strategy, mentor engineers, and help evolve systems that serve both public … .NET Core, ASP.NET Cloud experience with AWS (Lambda, DynamoDB) or Azure + DevOps Proficiency with IaC tools like Terraform Strong grasp of modern dev methodologies and design patterns Exposure to containerization and CI/CD tooling Bonus: Familiarity with Go, Python, React, TypeScript, Node.js 🗺️ Location : Hybrid – 2 days a week in London This is a high-impact More ❯

engineering team. This is a hands-on technical leadership role with high visibility and impact across the organization. You’ll work on large-scale systems, contributing to the design and development of modern, scalable, cloud-native .NET applications. You'll collaborate closely with platform teams, influence tech strategy, mentor engineers, and help evolve systems that serve both public … .NET Core, ASP.NET Cloud experience with AWS (Lambda, DynamoDB) or Azure + DevOps Proficiency with IaC tools like Terraform Strong grasp of modern dev methodologies and design patterns Exposure to containerization and CI/CD tooling Bonus: Familiarity with Go, Python, React, TypeScript, Node.js 🗺️ Location : Hybrid – 2 days a week in London This is a high-impact 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 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 ❯

C# Developer role at a global Asset Manager with c$3 million under management. As a Senior C# Developer 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 ❯

team, building intuitive, high-impact web applications that bring complex data to life. Working with cutting-edge technologies like React and TypeScript , you’ll collaborate closely with product, design, and data science teams to shape interfaces that define the future of shipping intelligence. This is a hands-on technical role that blends creativity, collaboration, and engineering excellence, ideal …/JavaScript, HTML, and CSS . A strong appreciation for UI/UX design and a passion for delivering exceptional user experiences. Understanding of Design Patterns and SOLID principles . Experience building and consuming RESTful APIs . Familiarity with Agile/SCRUM methodologies and modern CI/CD practices. Why Join? Bootstrapped success story - with … in shipping management. Fresh from a £100m AI start-up exit , they’re focusing all their attention on this next big venture. This is an outstanding opportunity to design and deliver the front-end of a platform that’s redefining how businesses interact with data. If you’re a passionate engineer who loves solving complex problems through clean More ❯

team, building intuitive, high-impact web applications that bring complex data to life. Working with cutting-edge technologies like React and TypeScript , you’ll collaborate closely with product, design, and data science teams to shape interfaces that define the future of shipping intelligence. This is a hands-on technical role that blends creativity, collaboration, and engineering excellence, ideal …/JavaScript, HTML, and CSS . A strong appreciation for UI/UX design and a passion for delivering exceptional user experiences. Understanding of Design Patterns and SOLID principles . Experience building and consuming RESTful APIs . Familiarity with Agile/SCRUM methodologies and modern CI/CD practices. Why Join? Bootstrapped success story - with … in shipping management. Fresh from a £100m AI start-up exit , they’re focusing all their attention on this next big venture. This is an outstanding opportunity to design and deliver the front-end of a platform that’s redefining how businesses interact with data. If you’re a passionate engineer who loves solving complex problems through clean 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 … Do Expert Level Java Development: You will apply your in-depth knowledge of the Java programming language (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. Someone who enjoys maths/logic problems and challenges Knows or willingness to learn Python for analysing and building More ❯

scalable, high-performance web applications that bring complex data to life. Working across both frontend (React, TypeScript) and backend (.NET Core, C#) technologies, you’ll collaborate with product, design, and data science teams to create seamless, intelligent solutions that define the future of shipping analytics. This is a hands-on engineering role that combines deep technical problem-solving … web applications. Strong proficiency with React, TypeScript/JavaScript, HTML, and CSS . Proven experience with C#, .NET Core , and SQL-based databases . Understanding of Design Patterns and SOLID principles . Experience designing and consuming RESTful APIs . Familiarity with Azure or other cloud platforms and configuration management. Experience with Agile/SCRUM methodologies and modern … in shipping management. Fresh from a £100m AI start-up exit , they’re focusing all their attention on this next big venture. This is an outstanding opportunity to design and deliver the front-end of a platform that’s redefining how businesses interact with data. If you’re a passionate engineer who loves solving complex problems through clean More ❯

scalable, high-performance web applications that bring complex data to life. Working across both frontend (React, TypeScript) and backend (.NET Core, C#) technologies, you’ll collaborate with product, design, and data science teams to create seamless, intelligent solutions that define the future of shipping analytics. This is a hands-on engineering role that combines deep technical problem-solving … web applications. Strong proficiency with React, TypeScript/JavaScript, HTML, and CSS . Proven experience with C#, .NET Core , and SQL-based databases . Understanding of Design Patterns and SOLID principles . Experience designing and consuming RESTful APIs . Familiarity with Azure or other cloud platforms and configuration management. Experience with Agile/SCRUM methodologies and modern … in shipping management. Fresh from a £100m AI start-up exit , they’re focusing all their attention on this next big venture. This is an outstanding opportunity to design and deliver the front-end of a platform that’s redefining how businesses interact with data. If you’re a passionate engineer who loves solving complex problems through clean More ❯

platforms (e.g., Bloomberg, Tradeweb) Understanding of financial markets, particularly Rates and Credit bonds/derivatives Oustanding experience and knowledge with ION platform Expertise in object-oriented design patterns and SOLID principles Experience with functional programming concepts. Proven track record in Agile development environments Excellent problem-solving and analytical skills Experience with Spring Framework and RESTful API Cloud More ❯

Aura, LWC, and OmniStudio to deliver scalable, upgradeable, and low-technical-debt applications. Integration – Design and implement secure, high-performing integrations with APIs, middleware, and event-driven patterns to ensure seamless data flow and system interoperability. DevOps & Automation – Apply branching strategies, CI/CD pipelines, test automation, and 2GP packaging to enable efficient, repeatable, and low-risk … in Salesforce DevOps (Salesforce DX, CI/CD pipelines, 2GP packaging). Skilled in SOQL/SOSL optimisation and scalable data modelling. Strong grasp of Salesforce design patterns, component-based development, and secure coding practices. UI/UX development aligned with accessibility standards (WCAG) and responsive design. Advanced version control (Git) and deployment tools (Salesforce DX, Copado More ❯

Aura, LWC, and OmniStudio to deliver scalable, upgradeable, and low-technical-debt applications. Integration – Design and implement secure, high-performing integrations with APIs, middleware, and event-driven patterns to ensure seamless data flow and system interoperability. DevOps & Automation – Apply branching strategies, CI/CD pipelines, test automation, and 2GP packaging to enable efficient, repeatable, and low-risk … in Salesforce DevOps (Salesforce DX, CI/CD pipelines, 2GP packaging). Skilled in SOQL/SOSL optimisation and scalable data modelling. Strong grasp of Salesforce design patterns, component-based development, and secure coding practices. UI/UX development aligned with accessibility standards (WCAG) and responsive design. Advanced version control (Git) and deployment tools (Salesforce DX, Copado 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 ❯

architecture, guide engineering practices, and collaborate closely with both technical and non-technical stakeholders to deliver impact at scale. Responsibilities as a Tech Lead: Take ownership of system design, architecture, and implementation of key backend services Guide and mentor engineers across a cross-functional team Work closely with product managers and business stakeholders to align technical direction with … 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 ❯

architecture, guide engineering practices, and collaborate closely with both technical and non-technical stakeholders to deliver impact at scale. Responsibilities as a Tech Lead: Take ownership of system design, architecture, and implementation of key backend services Guide and mentor engineers across a cross-functional team Work closely with product managers and business stakeholders to align technical direction with … 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 ❯

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 ❯

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 ❯