1 to 25 of 150 Design Patterns Jobs in Central London

Data Engineer - Investment Banking - London/Hybrid (Data Engineer, SQL Data Engineer, Java, Python, Spark, Scala, SQL, Snowflake, OO programming, Databricks, Data Fabric, design patterns, SOLID principles, ETL, Unit testing, NUnit, MSTest, Junit, Microservices Architecture, Continuous Integration, Azure DevOps, AWS, Jenkins, Agile, Data Engineer, SQL Data Engineer) We have several fantastic new roles, including a Data Engineer More ❯

work across a diverse portfolio of applications and technology stacks, collaborating closely with Technical Leads, Architects, and key business stakeholders to deliver robust and scalable solutions. Key Responsibilities Design, develop, and deliver high-quality C# .NET solutions in a complex trading or data-driven environment. Work closely with Vertical Leads (Delivery, Technical, QA, Architecture, and Functional) to ensure … best-in-class development practices. What You’ll Need Strong experience in enterprise development using C# .NET, WebAPI and working within an Agile environment. Knowledge of Design Patterns, SOLID principles, and scalable architecture best practices. Proficiency with SQL databases (Microsoft SQL Server preferred) – experience with MongoDB is a plus. Familiarity with modern web UI frameworks (Vue.js, Angular … Blazor) is advantageous. Experience with Azure DevOps, CI/CD pipelines, and Infrastructure as Code (Terraform) is a plus. Exposure to messaging patterns (RabbitMQ, Kafka) and authentication methods like OAuth2 is beneficial. A strong problem-solver who can work independently while effectively collaborating with cross-functional teams. Prior experience in a trading, financial services, or data-intensive environment is More ❯

C# (latest versions preferred) Deep knowledge of .NET Core/.NET 6/7/8 for building scalable APIs Strong grasp of OOP principles and design patterns API Development Building and maintaining RESTful APIs Solid understanding of HTTP protocols, status codes, headers, etc. API documentation using tools like Swagger/OpenAPI Legacy Systems Exposure to or … Knowledge of OAuth2, JWT, OpenID Connect Secure coding practices for exposed endpoints Integration & Communication Consuming third-party APIs (REST/SOAP) Async/await, tasks, and non-blocking design Database Integration Hands-on with Entity Framework Core or similar ORM Confident writing SQL and working with SQL Server Testing & Quality Writing robust unit and integration tests Familiar with More ❯

C# (latest versions preferred) Deep knowledge of .NET Core/.NET 6/7/8 for building scalable APIs Strong grasp of OOP principles and design patterns API Development Building and maintaining RESTful APIs Solid understanding of HTTP protocols, status codes, headers, etc. API documentation using tools like Swagger/OpenAPI Legacy Systems Exposure to or … Knowledge of OAuth2, JWT, OpenID Connect Secure coding practices for exposed endpoints Integration & Communication Consuming third-party APIs (REST/SOAP) Async/await, tasks, and non-blocking design Database Integration Hands-on with Entity Framework Core or similar ORM Confident writing SQL and working with SQL Server Testing & Quality Writing robust unit and integration tests Familiar with More ❯

MySQL, etc. Exposure to polyglot programming languages like Scala, Python and Golang will be a plus Ability to read/write code and expertise with various design patterns Have used NoSQL database such as MongoDB, Cassandra, etc. Work on opportunities along with sales, practice, delivery teams through the pre-sales process Develop customer proposals ?" solution architecture, pitch More ❯

MySQL, etc. " Exposure to polyglot programming languages like Scala, Python and Golang will be a plus " Ability to read/write code and expertise with various design patterns " Have used NoSQL database such as MongoDB, Cassandra, etc. " Work on opportunities along with sales, practice, delivery teams through the pre-sales process " Develop customer proposals - solution architecture, pitch More ❯

MySQL, etc. Exposure to polyglot programming languages like Scala, Python and Golang will be a plus Ability to read/write code and expertise with various design patterns Have used NoSQL database such as MongoDB, Cassandra, etc. Work on opportunities along with sales, practice, delivery teams through the pre-sales process Develop customer proposals ?" solution architecture, pitch More ❯

A willingness to learn and adapt is essential. You will work across the entire software development lifecycle, from ideation and prototyping to production deployment and scaling. Key Responsibilities: Design, develop, and deploy AI-powered and software applications. Implement scalable, maintainable, and efficient code based on business requirements. Collaborate with cross-functional teams to define and implement solutions. Apply … . Strong knowledge of AI frameworks (e.g., TensorFlow, PyTorch). Experience with cloud services like AWS, Azure, or Google Cloud. Solid understanding of software development best practices and design patterns. Ability to balance technical excellence with business goals. Strong problem-solving and analytical skills. Nice-to-Have: Experience with CI/CD and DevOps practices. Familiarity with microservices More ❯

Digital Service (GDS) environment Strong knowledge and working use of .Net Core and RESTful web services. Recent experience developing Microservice based solutions Worked on object-oriented design patterns (OOAD etc) and design principles (kiss/solid etc) Prior use of RDBMS, e.g. Oracle, MySQL or Postgres Experience in Test-Driven Development (TDD), unit testing and More ❯

Digital Service (GDS) environment Strong knowledge and working use of .Net Core and RESTful web services. Recent experience developing Microservice based solutions Worked on object-oriented design patterns (OOAD etc) and design principles (kiss/solid etc) Prior use of RDBMS, e.g. Oracle, MySQL or Postgres Experience in Test-Driven Development (TDD), unit testing and More ❯

Digital Service (GDS) environment Strong knowledge and working use of .Net Core and RESTful web services. Recent experience developing Microservice based solutions Worked on object-oriented design patterns (OOAD etc) and design principles (kiss/solid etc) Prior use of RDBMS, e.g. Oracle, MySQL or Postgres Experience in Test-Driven Development (TDD), unit testing and More ❯

into live service and support. Your skills and experience What you’ll bring: Experience of Java AWS 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 Delivery (CD) A passion for … delivering quality code, by use of TDD and setting high software quality standard Designing microservice-based architectures using domain driven design (DDD). CQRS and Event Sourcing patterns: Kubernetes Knowledge/Certification in Spring framework. Experience in cloud technologies AWS Diversity & Inclusion: Here at Amber Labs, we are dedicated to fostering an inclusive and equitable workplace for More ❯

into live service and support. Your skills and experience What you’ll bring: Experience of Java AWS 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 Delivery (CD) A passion for … delivering quality code, by use of TDD and setting high software quality standard Designing microservice-based architectures using domain driven design (DDD). CQRS and Event Sourcing patterns: Kubernetes Knowledge/Certification in Spring framework. Experience in cloud technologies AWS Diversity & Inclusion: Here at Amber Labs, we are dedicated to fostering an inclusive and equitable workplace for More ❯

Trading Engineer, for an international trading team within a well-renowned financial services organisation, your primary role will be to deliver on the eFX Trading platform. You will design & develop new features from scratch, as well as improve existing ones. Responsibilities Deliver key milestones on Trading platform Conduct code reviews, write unit tests, make code refactoring and manage … investigating production issues/outages Work in an agile environment, based on research, collaboration and learning from failure Key Requirements: Experience across RFQ is ideal Strong design (patterns), algorithms and data structures knowledge Experience with the entire software development life cycle Experience with building services from scratch and developing on top of existing components Understanding of Continuous More ❯

be hands on whilst leading a number of technical projects with a strong foundation in both front-end and back-end technologies , a solid understanding of Object-Oriented Design , and a passion for learning and embracing new tech. Languages : Ruby-on … Rails, Java, Python, C#, PHP VueJs, Typescript/Angular/React Cloud : Amazon Web Services (AWS) Databases : PostgreSQL, DynamoDB Additional Tools & Frameworks : GraphQL REST APIs Software Design Patterns – TDD, DDD Agile methodologies: Scrum and Kanban Key Responsibilities : Full-Stack Development : Design, develop, and maintain complex full-stack applications across both front-end and back-end. … Build scalable, cloud-based solutions using AWS , PostgreSQL , and DynamoDB . API Development : Integrate RESTful APIs and GraphQL to enable smooth data flow between services. Software Design Patterns : Apply TDD (Test Driven Development) and DDD (Domain Driven Design) best practices to ensure maintainable, efficient code. DevOps & CI/CD : Use DevOps processes, including virtualization , containerization More ❯

be hands on whilst leading a number of technical projects with a strong foundation in both front-end and back-end technologies , a solid understanding of Object-Oriented Design , and a passion for learning and embracing new tech. Languages : 🌳 Ruby-on … Rails, Java, Python, C#, PHP 🌳 VueJs, Typescript/Angular/React Cloud : 🌳 Amazon Web Services (AWS) Databases : 🌳 PostgreSQL, DynamoDB Additional Tools & Frameworks : 🌳 GraphQL 🌳 REST APIs 🌳 Software Design Patterns – TDD, DDD 🌳 Agile methodologies: Scrum and Kanban Key Responsibilities : Full-Stack Development : Design, develop, and maintain complex full-stack applications across both front-end and back-end. … Build scalable, cloud-based solutions using AWS , PostgreSQL , and DynamoDB . API Development : Integrate RESTful APIs and GraphQL to enable smooth data flow between services. Software Design Patterns : Apply TDD (Test Driven Development) and DDD (Domain Driven Design) best practices to ensure maintainable, efficient code. DevOps & CI/CD : Use DevOps processes, including virtualization , containerization More ❯

be hands on whilst leading a number of technical projects with a strong foundation in both front-end and back-end technologies , a solid understanding of Object-Oriented Design , and a passion for learning and embracing new tech. Languages : 🌳 Ruby-on … Rails, Java, Python, C#, PHP 🌳 VueJs, Typescript/Angular/React Cloud : 🌳 Amazon Web Services (AWS) Databases : 🌳 PostgreSQL, DynamoDB Additional Tools & Frameworks : 🌳 GraphQL 🌳 REST APIs 🌳 Software Design Patterns – TDD, DDD 🌳 Agile methodologies: Scrum and Kanban Key Responsibilities : Full-Stack Development : Design, develop, and maintain complex full-stack applications across both front-end and back-end. … Build scalable, cloud-based solutions using AWS , PostgreSQL , and DynamoDB . API Development : Integrate RESTful APIs and GraphQL to enable smooth data flow between services. Software Design Patterns : Apply TDD (Test Driven Development) and DDD (Domain Driven Design) best practices to ensure maintainable, efficient code. DevOps & CI/CD : Use DevOps processes, including virtualization , containerization More ❯

be hands on whilst leading a number of technical projects with a strong foundation in both front-end and back-end technologies , a solid understanding of Object-Oriented Design , and a passion for learning and embracing new tech. Languages : 🌳 Ruby-on … Rails, Java, Python, C#, PHP 🌳 VueJs, Typescript/Angular/React Cloud : 🌳 Amazon Web Services (AWS) Databases : 🌳 PostgreSQL, DynamoDB Additional Tools & Frameworks : 🌳 GraphQL 🌳 REST APIs 🌳 Software Design Patterns – TDD, DDD 🌳 Agile methodologies: Scrum and Kanban Key Responsibilities : Full-Stack Development : Design, develop, and maintain complex full-stack applications across both front-end and back-end. … Build scalable, cloud-based solutions using AWS , PostgreSQL , and DynamoDB . API Development : Integrate RESTful APIs and GraphQL to enable smooth data flow between services. Software Design Patterns : Apply TDD (Test Driven Development) and DDD (Domain Driven Design) best practices to ensure maintainable, efficient code. DevOps & CI/CD : Use DevOps processes, including virtualization , containerization More ❯

be hands on whilst leading a number of technical projects with a strong foundation in both front-end and back-end technologies , a solid understanding of Object-Oriented Design , and a passion for learning and embracing new tech. Languages : 🌳 Ruby-on … Rails, Java, Python, C#, PHP 🌳 VueJs, Typescript/Angular/React Cloud : 🌳 Amazon Web Services (AWS) Databases : 🌳 PostgreSQL, DynamoDB Additional Tools & Frameworks : 🌳 GraphQL 🌳 REST APIs 🌳 Software Design Patterns – TDD, DDD 🌳 Agile methodologies: Scrum and Kanban Key Responsibilities : Full-Stack Development : Design, develop, and maintain complex full-stack applications across both front-end and back-end. … Build scalable, cloud-based solutions using AWS , PostgreSQL , and DynamoDB . API Development : Integrate RESTful APIs and GraphQL to enable smooth data flow between services. Software Design Patterns : Apply TDD (Test Driven Development) and DDD (Domain Driven Design) best practices to ensure maintainable, efficient code. DevOps & CI/CD : Use DevOps processes, including virtualization , containerization More ❯

Responsibilities : • Lead the architectural design and implementation of a comprehensive design system to support multiple products and platforms within the organization. • Collaborate closely with cross-functional teams including product managers, designers, developers, and stakeholders to understand requirements and translate them into scalable design system solutions. • Define and document architecture principles, guidelines, and best practices … for the design system, ensuring * consistency, reusability, and maintainability across all applications. • Conduct thorough analysis of existing systems, tools, and processes to identify opportunities for integration with the design system and streamline workflows. • Drive the evolution and enhancement of the design system by staying updated on industry trends, emerging technologies, and user feedback. • Provide … for complex software applications. • Experience using Storybook, Chromatic and Zereheight for design systems • Experience creating automation processes for component governance • In-depth knowledge of design patterns, UI/UX principles, and front-end technologies such as HTML, CSS, JavaScript, and BeastNative. • Strong understanding of software architecture principles. • Experience with version control systems (e.g., Git), package More ❯

Responsibilities : • Lead the architectural design and implementation of a comprehensive design system to support multiple products and platforms within the organization. • Collaborate closely with cross-functional teams including product managers, designers, developers, and stakeholders to understand requirements and translate them into scalable design system solutions. • Define and document architecture principles, guidelines, and best practices … for the design system, ensuring * consistency, reusability, and maintainability across all applications. • Conduct thorough analysis of existing systems, tools, and processes to identify opportunities for integration with the design system and streamline workflows. • Drive the evolution and enhancement of the design system by staying updated on industry trends, emerging technologies, and user feedback. • Provide … for complex software applications. • Experience using Storybook, Chromatic and Zereheight for design systems • Experience creating automation processes for component governance • In-depth knowledge of design patterns, UI/UX principles, and front-end technologies such as HTML, CSS, JavaScript, and BeastNative. • Strong understanding of software architecture principles. • Experience with version control systems (e.g., Git), package More ❯

level web applications on multiple technology stacks - Angular, Java/C#.net, Python Strong experience on AWS Stack, SQL/No-SQL implementations Champion policies, procedures, and best practice design principles Analysis of business requirements to identify flexible and pragmatic design changes to development and production architecture Act as a technical consultant providing technical knowledge, coaching/… and gap analysis activities, and where required work with them to understand influence their roadmaps to support strategic objectives Understand the balance between business drivers and purity of design Where required facilitate and develop Pocks to demonstrate new concepts or technology choices Work closely with group functions such as infrastructure, information security building relationships and becoming a trusted … of contact Prior experience of BPM Implementation is hugely advantageous Qualifications Degree qualified in a science or IT based discipline Proven technical architecture experience covering common design patterns and platforms such as UIs, micro-services, data lakes, APIs, RDBMS, and NoSQL databases Strong familiarity of formal design and SDLC methodologies, in particular Agile/SAFe More ❯

have, but not essential. This role is crucial to driving the development of our next-generation financial solutions, contributing to architecture decisions, and mentoring junior developers. Key Responsibilities: Design, develop, and maintain robust, scalable, and secure applications using .NET (C#, .NET Core/.NET 6+) Work on cloud-native solution development using AWS services such as Lambda, API … more Collaborate with product managers, architects, and other developers to deliver high-quality features and enhancements Write clean, maintainable, and efficient code following best practices and design patterns Participate in architectural reviews and contribute to technical decision-making Optimize applications for performance, scalability, and security Mentor and support junior developers and contribute to team knowledge sharing Ensure … FinTech or financial services environments Nice to Have: Frontend experience with modern frameworks (e.g., React, Angular) Familiarity with containerization (Docker) and orchestration (Kubernetes, ECS) Exposure to domain-driven design (DDD), CQRS, or microservices architecture Certification in AWS (e.g., AWS Certified Developer or Solutions Architect) Education: Bachelor’s or Master’s degree in Computer Science, Engineering, or related field More ❯

have, but not essential. This role is crucial to driving the development of our next-generation financial solutions, contributing to architecture decisions, and mentoring junior developers. Key Responsibilities: Design, develop, and maintain robust, scalable, and secure applications using .NET (C#, .NET Core/.NET 6+) Work on cloud-native solution development using AWS services such as Lambda, API … more Collaborate with product managers, architects, and other developers to deliver high-quality features and enhancements Write clean, maintainable, and efficient code following best practices and design patterns Participate in architectural reviews and contribute to technical decision-making Optimize applications for performance, scalability, and security Mentor and support junior developers and contribute to team knowledge sharing Ensure … FinTech or financial services environments Nice to Have: Frontend experience with modern frameworks (e.g., React, Angular) Familiarity with containerization (Docker) and orchestration (Kubernetes, ECS) Exposure to domain-driven design (DDD), CQRS, or microservices architecture Certification in AWS (e.g., AWS Certified Developer or Solutions Architect) Education: Bachelor’s or Master’s degree in Computer Science, Engineering, or related field More ❯

ensuring that tasks are completed on time and to a high standard. Collaborate with the product owner, architects, and other stakeholders to define project scope, timelines, and requirements. Design, develop … and implement .NET-based applications and services, ensuring they meet business and technical requirements. Set technical direction for the team, promoting the adoption of best practices, design patterns, and coding standards. Collaborate with cross-functional teams to integrate with other platforms and systems as needed. Champion Agile and Scrum methodologies, ensuring the team operates in an iterative More ❯