26 to 50 of 134 Design Patterns Jobs in London

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 ❯

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 … 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 ❯

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 ❯

strong and sustainable global, national, regional and local partnerships designed to save lives, protect the nation from public health threats and reduce inequalities. Job overview The UKHSA Data Design & Architecture (DD&A) team is responsible for supporting data architecture and data solutions across the organisation. We are a small team of solution architects, data architects, and data modellers. … areas of accountability and responsibility are accurately reflected in Enterprise Data tooling, including LeanIX enterprise architecture diagrams, data solution and data platform reference models, architecture principles, blueprints and implementation patterns Building strong relationships with equal grade counterparts, e.g., enterprise architecture, information management and privacy, engineering and enablement, and DevOps Essential criteria: Proven experience designing end-to-end solutions in … AWS or Azure (Certifications desirable). Strong understanding of common architectural design patterns (e.g., layered architecture, even-driven architecture, microservices, serverless, data mesh) and the ability to apply them to real-world solutions. Strong understanding of data platform architecture, including pipelines, APIs, and integration patterns. Hand-on experience using enterprise architecture tools (e.g., LeanIX). Experience translating 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 ❯

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 ❯

use C# going forward) You have a strong knowledge of SQL databases You have a thorough understanding of Computer Science fundamentals such as OOP, Data Structures, Design Patterns, Algorithms You're entrepreneurial with good business acumen, keen to take ownership and lead projects You're collaborative, enjoy problem solving and sharing ideas What's in it for More ❯

use C# going forward) You have a strong knowledge of SQL databases You have a thorough understanding of Computer Science fundamentals such as OOP, Data Structures, Design Patterns, Algorithms You're entrepreneurial with good business acumen, keen to take ownership and lead projects You're collaborative, enjoy problem solving and sharing ideas What's in it for More ❯

use C# going forward) You have a strong knowledge of SQL databases You have a thorough understanding of Computer Science fundamentals such as OOP, Data Structures, Design Patterns, Algorithms You're entrepreneurial with good business acumen, keen to take ownership and lead projects You're collaborative, enjoy problem solving and sharing ideas What's in it for More ❯

delivery teams, stakeholders, and government partners to ensure solutions are robust, secure, and future-proof. What You'll Be Doing: Architect cloud-native platforms using modern design patterns and best practices. Define and drive technical strategy across multiple Agile teams and projects. Mentor and coach engineers , fostering a culture of excellence and continuous improvement. Engage with stakeholders More ❯

gym membership X4 paid volunteering days per year Season ticket loan Employee Assistance Programme Impactful role with great career progression Your role: As a Python Developer you will design and develop data centric backend services for the core platform with a focus on Python coding and building FastAPIs within an Azure environment with Databricks. You'll participate in … the design and implementation of advanced mechanisms for data ingestion, transformation, mass parallel orchestration of network IO and will model data for a variety of purposes. You'll also collaborate with the Infrastructure Team to maintain Infrastructure as Code and develop new features on the engineering platform. Location/WFH: There's a hybrid work from home model … strong SQL skills (PostgreSQL, SQL Server and ideally Databricks, or happy to learn it) You have a thorough knowledge of Computer Science fundamentals including Data Structures, Design Patterns, OOP You're collaborative and pragmatic with great communication skills Apply now to find out more about this Python Developer/Backend Software Engineer (Python FastAPI Data Azure) opportunity. More ❯

Responsibilities: Will take part in design, development, and implementation of the application in the client environment as a key developer Modernize and migrate applications to cloud environments like AWS, Azure, PCF, GCP etc. using Hexaware patent product Amaze® The Role Offers An enthralling journey by being a part of cloud modernization team and become a successful cloud specialist … multicultural experience Unlimited professional development Dot Net Tech Lead Should have a minimum of 8+ years of hands-on experience in Dot Net skill - development and design patterns Strong experience in frameworks .NET core, Web API, Entity framework, Entity framework core, .NET framework versions, ASP.NET, ASP.NET MVC, ADO .Net, WCF, Web services For .NET professionals, additional skills … service providers - AWS/Azure/GCP/PCF, OpenShift/Kubernetes Knowledge in CI/CD: Bamboo, CARA, and Bitbucket will be added value RDBMS and application integration patterns are desirable. Must have skills: .NET Core, Azure, RESTful API, JIRA, Agile, Azure File, Azure Batch, Azure SQL, Azure Blob, Azure Service Bus, IBM MQ Hybrid: 2/ More ❯

architects, and business analysts Producing high-quality, maintainable software that meets both functional and non-functional requirements Taking full ownership across the software development lifecycle - from requirements and design through to deployment, monitoring, and support Contributing to the optimisation and continuous improvement of engineering practices and processes Applying Agile and CI/CD methodologies to ensure … fast, reliable, and secure delivery of software What We're Looking For Proven experience developing Java software with a strong understanding of object-oriented principles and design patterns Hands-on experience delivering microservices and working within distributed system architectures Knowledge of Agile delivery methods , including CI/CD pipelines and test automation frameworks Strong understanding of programming 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 ❯

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 ❯

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 ❯

ambitious group, you will play a key role in crafting and developing groundbreaking software solutions that drive innovation and success! Responsibilities As a Senior Software Engineer, you will: Design, develop, and implement software systems that meet meticulous quality standards. Work with diverse teams to define technical needs and deliver impeccable solutions. Lead efforts in resolving and debugging to … JavaScript and Java Experience with Spring and React. Outstanding problem-solving skills and the ability to thrive in a fast-paced, ambitious environment. Proficient in software design patterns and standard methodologies. Excellent communication skills and a collaborative approach. Experience with cloud technologies and microservices architecture is preferred. WHO WE ARE: Do Your Best Work The opportunity to More ❯

and each other. Job Description Senior Java Developer with Technical Ownership Partnering with key technical and business stakeholders, the agile developer will help refine the product vision, estimate, design and build a solution before supporting it into production. You will be expected to lead by example working within the team and boosting their ability to deliver business requirements … Actively engage in tracking and reducing technical debt Excellent communication skills, able to collaborate with wider Opayo team Strong grasp of industry standards, best practices and design patterns Be willing to adapt to significant changes in either technology or environment Provide coaching and mentoring to technical staff Location The role offers a hybrid/flexible schedule, which More ❯