9 of 9 Contract Design Patterns Jobs in London

Software Architect

Hiring Organisation
X4 Group
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Competitive salary
role suited to someone who enjoys remaining close to the code. You will be responsible for defining the technical architecture, establishing engineering standards and patterns, and working closely with development teams to deliver a modern, scalable integration platform within a complex enterprise environment. Working within a Microsoft technology stack … integration platform. Partner with senior technology stakeholders to ensure alignment with enterprise architecture principles and future technology strategy. Define architecture standards, design patterns, and engineering best practices. Provide hands-on technical leadership while remaining actively involved in solution design and development. Design secure ...

C#, WPF, .NET Developer

Hiring Organisation
SDL Solutions Limited
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
C#, WPF, .NET Developer is required by global company for an initial 12-month contract. The successful candidate will have experience with detailed design, development, implementation, integration, and testing of software in C# to build windows/web-based applications. The ideal contractor would have experience in software … and MVC/MVVM design patterns. Experience with connecting to and consuming RESTful web services. Experience with generic design-patterns (Dependency Injection, Inversion of Control and similar) and .NET Frameworks (MVVM, WPF, MEF, Entity Framework) in the construction of large and complex software applications. ...

Senior AI Engineer

Hiring Organisation
IO Associates
Location
City of London, London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
Up to £700 per day
Location: Hybrid/Remote options available (UK-based) Security Clearance: DV Cleared The Role We are looking for a Senior AI Engineer to design, build, and deploy production-ready GenAI applications and multi-agent systems within secure environments. This role requires a strong hybrid of advanced AI orchestration … Hugging Face), and vector databases (e.g., Pinecone, Qdrant, Milvus, Chroma). Software Fundamentals: Background in solid software engineering practices (Git, testing, design patterns, API development via FastAPI/Flask). Cloud Infrastructure: Experience deploying to secure cloud environments (AWS, Azure, or GCP) utilizing standard K8s distributions ...

Software Developer

Hiring Organisation
X4 Group
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Competitive salary
Server database development experience. Experience with ORM frameworks, ideally Entity Framework. Exposure to NoSQL databases such as Cosmos DB is advantageous. Experience implementing resilience patterns including failure handling, retries, dead-letter processing, and fault tolerance. Experience working within Microsoft Azure environments, including hybrid cloud and on-premise deployments. Strong … high engineering standards and successful delivery outcomes. Desirable Experience within Insurance, Reinsurance, or wider Financial Services environments. Exposure to microservice design patterns, containerisation, and orchestration technologies. Experience working within regulated environments. Familiarity with Azure-native services and cloud architecture principles. Experience delivering integration, middleware, or data platform ...

AI Architect

Hiring Organisation
LMA Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£650 - £700 per day
Augmented Generation (RAG) Large Language Model (LLM) integration and orchestration Agent-based workflows and services Establish scalable, secure, and reusable AI design patterns aligned to enterprise standards Product-Focused Delivery Lead the delivery of production-ready AI solutions , ensuring initiatives: Progress beyond PoC and governance bottlenecks … environments Achieve sustained user adoption Embed a product-centric mindset , with clear ownership of outcomes and value realisation AI Platform Engineering Oversee the design and implementation of advanced AI capabilities, including: RAG pipelines integrating enterprise data sources (e.g., Teams, SharePoint) Agent-driven applications interfacing with internal and legacy ...

Software Engineer

Hiring Organisation
Arrows Group Professional Limited
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 650 - 700 Daily
party API's Comfortable working with relational and NoSQL databases, including complex queries and performance optimization. Solid understanding of web design patterns, including SOLID principles. Experience working in an agile, collaborative environment. Familiarity with automated testing and CI/CD pipelines. The interview process is already underway ...

Go Engineer

Hiring Organisation
Arrows Group Professional Limited
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 700 - 750 Daily
party API's Comfortable working with relational and NoSQL databases, including complex queries and performance optimization. Solid understanding of web design patterns, including SOLID principles. Experience working in an agile, collaborative environment. Familiarity with automated testing and CI/CD pipelines. The interview process is already underway ...

Network Engineer

Hiring Organisation
Experis
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £550/day
operational support responsibilities. The contractor will work under general direction, taking responsibility for their own deliverables and ensuring that all design output, configuration artefacts, and documentation updates are accurate, consistent, and aligned with established standards. The work will involve contributing to network designs, implementing planned configuration changes … Network Design & Documentation Produce and update high quality network documentation, including HLDs, LLDs, diagrams, and configuration specifications. Apply established design patterns for routing, segmentation, cloud connectivity, and secure access. Document changes clearly and consistently, ensuring traceability across project phases. Contribute to designs for Cisco ...

iOS Engineer

Hiring Organisation
SCALERS GROUP LIMITED
Location
City of London, London, United Kingdom
Employment Type
Contract
Stakeholders to deliver innovative, high-level solutions. Skills & Experience Solid commercial experience using Swift (required) Objective-C & Kotlin (Desirable) IOS Design patterns, including MVVM + Coordinators Building UIKit views programmatically without using XIBs/Storyboards Using Autolayout to build adaptable layouts Experiencing profiling IOS applications for performance … memory issues DRY & SOLID design principles Unit testing with XCTest/Swift Testing If the above is of interest, please apply with an updated copy of your CV and a member of the Scalers team will be in touch. ...