Contract Design Patterns Jobs in London

19 of 19 Contract Design Patterns Jobs in London

Technical Consultant - ENS (Enterprise Network Services)

London, United Kingdom
Hybrid / WFH Options
Networking People (UK) Limited
IR35) Reference: 19722 The Engineering group is an integral and strategy defining function within Enterprise Network Services team, overall part of Technology Infrastructure, defining the roadmap, design, patterns, blueprints, and high-level/low-level implementation for core technologies within the network, firewall and voice domains. Within this role, you'll be at the forefront of defining … design patterns & blueprints for the Enterprise Network Services group. You'll be engaging with business stakeholders, architects, engineers and other technical stakeholders, to understand design requirements (functional and non-functional), to determine the minimum viable product (MVP) that needs to be delivered. You'll be assessing, analysing and triaging detailed requirements, to identity patterns and points of commonality that can be addressed via common scalable patterns, rather than multiple point in time solutions with varying deviation. You'll be defining applicable patterns/blueprints that would address the requirements detailed, providing optionality and flexibility for stakeholders to review, analyse and provide feedback on. You'll be applying architecture & engineering principles to More ❯
Employment Type: Contract
Rate: £550 - £600 per day + Inside of IR35
Posted:

Full Stack Developer

London, South East, England, United Kingdom
Hybrid / WFH Options
Robert Half
Pipelines Github Actions Vue Java Azure Azure Devops Role The Full Stack Developer will adopt best practices like writing clean and reusable code using TDD, pair programming and design patterns. Advocate for continuous delivery practices to deliver high-quality software as well as value to end customers as early as possible. You will create large-scale distributed systems More ❯
Employment Type: Contractor
Rate: Salary negotiable
Posted:

Senior Java Developer

London, South East, England, United Kingdom
Proactive Appointments
Senior Java Developer, you will play a key role in designing, developing, and maintaining enterprise-grade applications, while mentoring junior engineers and helping shape technical strategy. Key Responsibilities Design, develop, and maintain Java-based applications and services . Write clean, efficient, and well-documented code . Participate in code reviews and provide constructive feedback. Collaborate with cross-functional … , and deliver new features . Troubleshoot and debug complex issues. Required Qualifications Professional Java software development experience. Strong understanding of object-oriented programming and design patterns . Hands-on experience with Spring and Hibernate frameworks. Solid experience with relational databases (MSSQL, Oracle). Proven experience with RESTful API design and development . Strong More ❯
Employment Type: Contractor
Rate: £600 - £700 per day
Posted:

Senior SDET (SC Cleared)

City of London, London, United Kingdom
Hybrid / WFH Options
ARM
testing at all levels Working with the Product team to define tests throughout the product delivery into live Automating tests for all phases. Working collaboratively with developers to design and test stubs Ensure the team define tests to validate NFR?s at the appropriate level Ensuring traceability is maintained throughout the product delivery Ensuring the team is aware … those who have asked for them. Raising the profile of quality throughout the product lifecycle Working in an Agile team, you will be responsible for inputting to the design and build of automated tests to ensure adequate and effective test coverage Provide test assurance of the user stories according to the defined acceptance test criteria; whilst working in … CI/CD pipelines and their importance in Automation Testing process Exposure to command line and scripting languages forOS Linux. Strong coding skills (OOP, SOLID, DI, Design Patterns, etc.) Must be able to unit test the framework built. Experience and Skills Strong relevant experience as a Senior SDET Experience and knowledge of API testing and the use More ❯
Employment Type: Contract
Rate: £612/day Inside IR35
Posted:

Front Office React Developer

City of London, London, United Kingdom
Adecco
experience in Web Technologies, tools and frameworks, HTML, CSS, JavaScript and React. Knowledge or experience of agile development (e.g. XP, SCRUM, Kanban) and continuing integration. Experience in UI design, optimisation, scalability and reliability. Excellent problem solving and analytical skills in … a high-pressure environment. Must possess a solid degree in Computer Science, Physics, Engineering, Mathematics or relevant analytical degree. Strong understanding of algorithms, data structures and design patterns including why and where to use them. Candidate must be a strong team player with excellent communication skills. Solid knowledge of contemporary development processes, build environments and testing tools. More ❯
Employment Type: Contract
Rate: £700 - £800/day
Posted:

Front Office React Developer

London, South East, England, United Kingdom
Adecco
experience in Web Technologies, tools and frameworks, HTML, CSS, JavaScript and React. Knowledge or experience of agile development (e.g. XP, SCRUM, Kanban) and continuing integration. Experience in UI design, optimisation, scalability and reliability. Excellent problem solving and analytical skills in … a high-pressure environment. Must possess a solid degree in Computer Science, Physics, Engineering, Mathematics or relevant analytical degree. Strong understanding of algorithms, data structures and design patterns including why and where to use them. Candidate must be a strong team player with excellent communication skills. Solid knowledge of contemporary development processes, build environments and testing tools. More ❯
Employment Type: Contractor
Rate: £700 - £800 per day
Posted:

C++ Developer – FX eTrading

London, United Kingdom
Ascendion
experience in C++, preferably on Linux/UNIX platforms. Strong understanding of C++ Standard Template Library (STL), data structures, and multi-threading. Proven experience in using design patterns and a strong grasp of software design principles. Experience working with low-latency/high-throughput messaging platforms. Familiarity with FIX API for exchange and venue connectivity More ❯
Employment Type: Permanent, Contract
Posted:

Software Engineer

London, United Kingdom
Alexander Mann Solutions - Public Sector Resourcing
using Git. . Experience of continuous integration and continuous delivery using Github actions. . Experience of working in an Agile environment. . Knowledge of software engineering practices and design patterns. . Ability to collaborate with cross functional teams, including individuals from various disciplines to deliver high quality software. . Excellent communication skills, both written and verbal, to effectively More ❯
Employment Type: Contract
Rate: GBP Annual
Posted:

Data Architect / Modeller

London, South East, England, United Kingdom
Oliver James
see you influencing architectural direction and embedding best practices across:?? Data Modelling at enterprise scale? Azure Lakehouse/Databricks solution design, Fabric, Purview? Architectural design patterns and their data impact? Data residency and governance standards? Pseudonymisation requirements for new data setsThis is not a traditional data role. It's an opportunity to shape how a More ❯
Employment Type: Contractor
Rate: Salary negotiable
Posted:

React Developer (UI Components)

Bromley, London, United Kingdom
Pontoon
with web technologies, tools, and frameworks, including HTML, CSS, JavaScript, and React. Familiarity with Agile development methodologies (XP, SCRUM, Kanban) and continuous integration practises. Previous experience in UI design, optimisation, and development processes. A solid degree in Computer Science, Physics, Engineering, Mathematics, or a relevant analytical field. Deep understanding of algorithms, data structures, and design patterns. … Experience in developing UI applications for finance, particularly in FX or other Fixed Income/Derivatives Trading environments. What You'll Do: Collaborate with a dedicated team to design and develop user-friendly UI components using React. Enhance the functionality and performance of existing applications, ensuring they are scalable and reliable. utilise your problem-solving skills to tackle More ❯
Employment Type: Contract
Posted:

React Developer UI Components

Bromley, Kent, England, United Kingdom
Pontoon
with web technologies, tools, and frameworks, including HTML, CSS, JavaScript, and React. Familiarity with Agile development methodologies (XP, SCRUM, Kanban) and continuous integration practises. Previous experience in UI design, optimisation, and development processes. A solid degree in Computer Science, Physics, Engineering, Mathematics, or a relevant analytical field. Deep understanding of algorithms, data structures, and design patterns. … Experience in developing UI applications for finance, particularly in FX or other Fixed Income/Derivatives Trading environments. What You'll Do: Collaborate with a dedicated team to design and develop user-friendly UI components using React. Enhance the functionality and performance of existing applications, ensuring they are scalable and reliable. utilise your problem-solving skills to tackle More ❯
Employment Type: Contractor
Rate: Salary negotiable
Posted:

React Developer

Bromley, Kent, England, United Kingdom
Pontoon
Strong programming skills in an OOP language (Java, Python, etc.). Solid hands-on experience with React, JavaScript, HTML, and CSS. Good understanding of algorithms, data structures, and design patterns. Experience with agile methodologies (Scrum, Kanban, XP) and CI/CD practices. Background in UI design, optimisation, scalability, and reliability. Degree in Computer Science, Engineering, Mathematics More ❯
Employment Type: Contractor
Rate: £750 - £850 per day
Posted:

Android Developer

London, United Kingdom
Hybrid / WFH Options
Hays Technology
of the team that will be responsible for developing and maintaining features for the Android variant of the NHS App. Working in a multi-disciplinary team of tech, design, business, product, infrastructure and test, you will help to design, develop, test and deliver new features while also maintaining existing features. You will be involved throughout the … high-quality, performant, well-documented and tested features that deliver a first-class experience to millions of users across England. Responsibilities - Work with a multi-disciplinary team to design, document and develop high quality, scalable solutions for the NHS App's Android application using Kotlin. - Create appropriate unit and integration tests for your work. - Write clean, maintainable and … using Kotlin and AndroidStudio. - Be passionate about mobile development, keeping up to date with the latest Android development trends and best practices. - Have a good understanding of Android design principles and interface guidelines. - Be someone who embraces collaboration when building solutions. - Have a good understanding of MVVM Architecture and associated design patterns. - Be able to apply More ❯
Employment Type: Contract
Rate: £600 - £610/day c£610
Posted:

Android Mobile Developer

London, United Kingdom
Experis
of the team that will be responsible for developing and maintaining features for the Android variant of the clients App. Working in a multi-disciplinary team of tech, design, business, product, infrastructure and test, you will help to design, develop, test and deliver new features while also maintaining existing features. You will be involved throughout the … high-quality, performant, well-documented and tested features that deliver a first-class experience to millions of users across England. Responsibilities Work with a multi-disciplinary team to design, document and develop high quality, scalable solutions for the clients App's Android application using Kotlin. Create appropriate unit and integration tests for your work. Write clean, maintainable and … Kotlin and Android Studio. Be passionate about mobile development, keeping up to date with the latest Android development trends and best practices. Have a good understanding of Android design principles and interface guidelines. - Be someone who embraces collaboration when building solutions. Have a good understanding of MVVM Architecture and associated design patterns. Be able to apply More ❯
Employment Type: Contract
Rate: £600 - £601 per day
Posted:

Android Developer

London, South East, England, United Kingdom
Hybrid / WFH Options
Hays Specialist Recruitment Limited
be part of the team that will be responsible for developing and maintaining features for the Android variant of the App.Working in a multi-disciplinary team of tech, design, business, product, infrastructure and test, you will help to design, develop, test and deliver new features while also maintaining existing features.You will be involved throughout the entire … high-quality, performant, well-documented and tested features that deliver a first-class experience to millions of users across England. Responsibilities - Work with a multi-disciplinary team to design, document and develop high quality, scalable solutions for the NHS App's Android application using Kotlin.- Create appropriate unit and integration tests for your work.- Write clean, maintainable and … development using Kotlin and AndroidStudio.- Be passionate about mobile development, keeping up to date with the latestAndroid development trends and best practices.- Have a good understanding of Android design principles and interface guidelines.- Be someone who embraces collaboration when building solutions.- Have a good understanding of MVVM Architecture and associated designpatterns.- Be able to apply SOLID principles to More ❯
Employment Type: Contractor
Rate: £600 - £610 per day
Posted:

Full Stack Engineer AI/ML, Python, Agentic

London, South East, England, United Kingdom
Hybrid / WFH Options
Salt Search
work. Hands-on experience with Selenium, and iOS functional automation. Experience with testing activities across the entire lifecycle of the project from inception to delivery. Front-End Development: Design and implement user interfaces using JavaScript, and frameworks such as React. Back-End Development: Develop and maintain server-side logic using Python. Manage APIs and integrate third-party services … development workflows in Jenkins. Monitor application performance and troubleshoot issues to maintain reliability and availability. Preferred Qualifications: Experience with building multi-agent systems and understanding of multi-agent design patterns. Graph database knowledge is a plus. Proficient with tools such as Charles, Git, and Jenkins. Automate data analytics and reporting across multiple systems. Strong understanding of software build … prioritization and resolution. Create detailed test reports documenting progress, status, test plan completion, identified defects, and associated risks. Responsibilities: As part of the Automation Team, you will independently design and develop automation solutions in line with requirements provided by the Product team. Stay up to date with AI/ML trends across the industry and within to inform More ❯
Employment Type: Contractor
Rate: £500 - £700 per day
Posted:

iOS Mobile Developer

London, South East, England, United Kingdom
Hybrid / WFH Options
Hays Specialist Recruitment Limited
part of the team that will be responsible for developing and maintaining features for the iOS variant of the App. Working in a multi-disciplinary team of tech, design, business, product, infrastructure and test, you will help to design, develop, test and deliver new features while alsomaintaining existing features. You will be involved throughout the entire … high-quality, performant, well-documented and tested features that deliver a first-class experience to millions of users across England. Resonsibilities - Work with a multi-disciplinary team to design, document and develop high quality, scalable solutions for the NHS App's iOS application using Swift and Swift UI.- Create appropriate unit and integration tests for your work.- Write … Swift UI and Xcode.- Be passionate about mobile development, keeping up to date with the latest iOS development trends and best practices.- Have a good understanding of iOS design principles and interface guidelines.- Be someone who embraces collaboration when building solutions.- Have a good understanding of MVVM Architecture and associated design patterns.- Be able to apply More ❯
Employment Type: Contractor
Rate: £600 - £610 per day
Posted:

iOS Mobile Developer

London, United Kingdom
Hybrid / WFH Options
Hays
part of the team that will be responsible for developing and maintaining features for the iOS variant of the App. Working in a multi-disciplinary team of tech, design, business, product, infrastructure and test, you will help to design, develop, test and deliver new features while also maintaining existing features. You will be involved throughout the … high-quality, performant, well-documented and tested features that deliver a first-class experience to millions of users across England. Resonsibilities - Work with a multi-disciplinary team to design, document and develop high quality, scalable solutions for the NHS App's iOS application using Swift and Swift UI. - Create appropriate unit and integration tests for your work. - Write … Swift UI and Xcode.- Be passionate about mobile development, keeping up to date with the latest iOS development trends and best practices. - Have a good understanding of iOS design principles and interface guidelines. - Be someone who embraces collaboration when building solutions. - Have a good understanding of MVVM Architecture and associated design patterns. - Be able to apply More ❯
Employment Type: Contract
Rate: £600.0 - £610.0 per day + c£610 per day (inside IR35)
Posted:

IOS Mobile Developer

London, United Kingdom
Experis
of the team that will be responsible for developing and maintaining features for the iOS variant of the client App. Working in a multi-disciplinary team of tech, design, business, product, infrastructure, and test, you will help to design, develop, test and deliver new features while also maintaining existing features. You will be involved throughout the … high-quality, performant, well-documented and tested features that deliver a first-class experience to millions of users across England. Responsibilities: Work with a multi-disciplinary team to design, document and develop high quality, scalable solutions for the App's iOS application using Swift and Swift UI. Create appropriate unit and integration tests for your work. Write clean … Swift UI and Xcode. Be passionate about mobile development, keeping up to date with the latest iOS development trends and best practices. Have a good understanding of iOS design principles and interface guidelines. Be someone who embraces collaboration when building solutions. Have a good understanding of MVVM Architecture and associated design patterns. Be able to apply More ❯
Employment Type: Contract
Rate: Up to £605 per day
Posted:
Design Patterns
London
10th Percentile
£412
25th Percentile
£495
Median
£613
75th Percentile
£738
90th Percentile
£850