26 to 50 of 56 Design Patterns Jobs in London

Lead Python Developer - Fintech

Hiring Organisation
Client Server
Location
Central London, London, United Kingdom
Employment Type
Permanent, Work From Home
stuck into. You'll be collaboratively problem solving in a hands-on role with approximately 50/50 split between architecture/design and people management. You'll set the standards and mentor more junior developers, fostering a culture of continuous improvement and self development. Location/…/CD, testing and deployment You have a thorough understanding of Computer Science fundamentals such as OOP, Data Structures, Design Patterns, Algorithms You're collaborative and pragmatic with great communication skills You're degree educated in a STEM discipline, having achieved a 2.1 or above What ...

Generative AI Engineer

Hiring Organisation
TechNET IT Recruitment Ltd
Location
London Area, United Kingdom
powered agents, orchestration flows and MCP servers using AWS Bedrock Analyse logs, traces and evaluation outputs from a live AI product environment Design and maintain REST APIs interacting with AWS services including OpenSearch, DynamoDB, Kendra and S3 Build and maintain Step Functions and workflow orchestration components Collaborate closely … vector databases Experience working with CI/CD pipelines (GitHub Actions/Jenkins) Understanding of event‐driven architecture and serverless design patterns Strong communication skills and stakeholder-facing experience ...

Senior Software Engineer

Hiring Organisation
Arrows
Location
London Area, United Kingdom
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 ...

Senior Solutions Architect

Hiring Organisation
Morson Edge
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
Lead the design, governance, and assurance of solutions across Azure, M365, and Power Platform Define and maintain reference architectures, design patterns, and reusable frameworks Act as a trusted advisor to business stakeholders, aligning technology solutions with strategic objectives Drive standardisation and minimise unnecessary customisation across … platforms Lead architectural decision-making and resolve complex design challenges Collaborate with internal teams, suppliers, and partners to deliver robust, scalable solutions Develop and communicate technology roadmaps enabling incremental value delivery Conduct architecture assessments and recommend improvements across the technology landscape Ensure compliance with architecture principles and cyber ...

Staff Engineer

Hiring Organisation
Admiral
Location
East London, London, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
contribute to the success of our award-winning insurance product. As a Staff Engineer you’ll drive the adoption of modern design patterns, cloud-native approaches, and continuous improvement initiatives, contributing to Admiral’s long-term technology goals. You’ll also play a key role in mentoring … Help shape epics and technical deliverables in alignment with roadmap goals. Own technical dependencies and contribute to planning cycles. Contribute to the detailed design, engineering quality, and technical oversight of solutions delivered within the Value Stream. Drive improvements to CI/CD pipelines, automation, testing practices, and secure ...

Backend Software Engineer Python - Start-up

Hiring Organisation
Client Server
Location
Central London, London, United Kingdom
Employment Type
Permanent, Work From Home
/CD, testing and deployment You have a thorough understanding of Computer Science fundamentals such as OOP, Data Structures, Design Patterns, Algorithms You're collaborative and pragmatic with great communication skills You're degree educated in a STEM discipline, having achieved a 2.1 or above What ...

Senior Software Engineer

Hiring Organisation
Formula
Location
City of London, London, United Kingdom
Monitoring tools, particularly Grafana Experience working with large-scale backend systems (1M+ DAU) Strong knowledge of web protocols, application servers and design patterns Git, Gradle, Maven, CI/CD and Cloud Build proficiency Benefits: Competitive salary and remote working flexibility Private healthcare, life assurance, and income protection ...

Senior Software Engineer C# .Net - relocate to Newcastle!

Hiring Organisation
Client Server
Location
East London, London, United Kingdom
Employment Type
Permanent
experience across the full software development lifecycle You have a thorough understanding of Computer Science fundamentals such as OOP, Data Structures, Design Patterns, Algorithms You're excited to join a start-up in a role that you can shape and influence Please note you must ...

Software Engineer

Hiring Organisation
Fortice
Location
City Of London, England, United Kingdom
based in London . About the Role As a Software Engineer on the UK Engineering team, the successful candidate will help lead the design, development, and optimisation of high-performance software solutions — ensuring scalability, reliability, and maintainability. They will work closely with the US engineering team and cross … hands-on experience in performant modern C++ (or strong willingness to learn) Strong OOP experience with clean code principles and good design patterns Experience with Docker, containerised environments, and Linux-based OS (RHEL, Ubuntu) Understanding of service-oriented architecture and message broker/data broker paradigms Willingness ...

Security Architect Reviewer (SAR)

Hiring Organisation
Stackstudio Digital Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
From £600 to £650 per day
Role Details Job Title: Security Architect Reviewer (SAR) Location (if Hybrid/Office Based): London (UK) (2 to 3 days) Role Description Design and implement security architecture and solutions to meet organizational goals and regulatory requirements. Ensure security integration in all technology projects, including cloud services … adoption of new security technologies and practices to keep the organization ahead of emerging threats. Key Responsibilities Develop Security Architecture Design Patterns and Standards to comply with group security requirements, industry standards, customer requirements, regulatory requirements and good practices. Assist the development of a Security Architecture control ...

Senior Python Developer

Hiring Organisation
Oliver Bernard
Location
City of London, London, United Kingdom
cross-functional engineering team, building cloud based solutions. This role will predominantly be Python/Flask programming, driving best practices, design patterns, with a lot of Infrastructure and IaC - roughly a 70/30 split in favour of Python programming in AWS Cloud environments. Senior Python Developer ...

Python Developer

Hiring Organisation
Robert Half
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
enablement Engineer will have experience with the following technologies/tools: Docker, Postgres, REST APIs, SFTP, Websockets OOP + Asynchronous Design Patterns PowerQuery/DAX/M Industry standard libraries used in software development within finance (pandas, numpy, scipy etc) MS Graph * Experience with the following technologies ...

Software Engineer

Hiring Organisation
Hunter Bond
Location
London Area, United Kingdom
Looking For: Strong programming skills in either Python or C++ Solid grasp of computer science fundamentals (data structures, algorithms, design patterns) Great background in Mathematics Analytical mindset with a genuine interest in finance and quantitative methods Bachelor’s or Master’s degree in Computer Science, Mathematics, Engineering ...

AI Enablement Engineer

Hiring Organisation
Robert Half Limited
Location
London, United Kingdom
Employment Type
Contract, Work From Home
enablement Engineer will have experience with the following technologies/tools: Docker, Postgres, REST APIs, SFTP, Websockets OOP + Asynchronous Design Patterns PowerQuery/DAX/M Industry standard libraries used in software development within finance (pandas, numpy, scipy etc) MS Graph * Experience with the following technologies ...

Junior Applied Research Engineer

Hiring Organisation
Xapien
Location
City of London, London, United Kingdom
Core responsibilities: Designing, building, and testing AI-powered experiments working with leading-edge ML models. Building and deploying AI-powered microservices following standard design patterns. Implementing infrastructure as code using tools like Terraform or CloudFormation to automate deployment and scaling processes. Statistical evaluation of candidate systems against functional ...

Network Engineer / Network Designer

Hiring Organisation
Experis
Location
London, United Kingdom
Employment Type
Contract, Work From Home
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 ...

Analytics Engineer

Hiring Organisation
Harnham
Location
London Area, United Kingdom
Factory and Databricks. • Integrate core systems and APIs across HR, ERP and internal platforms. • Develop and evolving their lakehouse environment and transformation logic. • Design data models that align with business requirements and reporting needs. • Work closely … with stakeholders, including finance, to structure data effectively. • Create robust semantic models and supporting the Power BI reporting layer. • Implement scalable design patterns covering incremental loads and snapshotting. • Support end‐to‐end builds across ingestion, transformation and consumption. YOUR SKILLS AND EXPERIENCE: The ideal candidate will have ...

Mobile Engineer React Native - FinTech

Hiring Organisation
Client Server
Location
East London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£85,000
senior, hands-on Mobile Engineer role that will allow you a great deal of influence and progression? As a Mobile Engineer you will design and develop a new product that enables people to look after their financial wellbeing, gain access to credit and build a credit score. … experience of working on highly scalable systems You have a strong knowledge of Computer Science fundamentals such as OOP, Data Structures, Design Patterns You have strong analysis and problem solving skills alongside organisation and planning abilities You have business acumen and advanced communication/stakeholder management skills ...

Senior Network Engineer

Hiring Organisation
Block MB
Location
City of London, London, United Kingdom
dive analysis across LAN, WAN and data centre environments. Familiarity with infrastructure hardware (e.g., enterprise switches/routers) and resilient network design patterns prioritising high throughput and low-latency delivery. Solid foundation in network security concepts and configuration management to enforce secure practices. Excellent communication skills with ...

Senior Java full stack developer / Tech Lead

Hiring Organisation
E-Solutions IT Services UK Ltd
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£70,000 - £80,000 per annum
Full Stack Developer (React Mandatory) to join our team in London. This project is associated with one of the largest Bank. Key Responsibilities: Design, develop, and maintain robust, scalable, and high-performance web applications. Build responsive and dynamic user interfaces using React js. Develop backend services and APIs … experience with React js , Redux (or similar state management libraries). Solid understanding of HTML5, CSS3, JavaScript (ES6+) . Experience with RESTful API design and integration. Familiarity with databases such as MySQL, PostgreSQL, or MongoDB. Experience with version control systems like Git. Strong understanding of object-oriented programming ...

Senior Software Engineer

Hiring Organisation
Retelligence
Location
City of London, London, United Kingdom
stack includes: The Engine: Expert-level C# and .NET Core mastery. Architecture: Deep understanding of SOA (Service Oriented Architecture) and complex Object-Oriented design patterns. System Dynamics: Specialized knowledge of concurrency, asynchrony, and parallelism —essential for real-time transactional processing. Data & Web: High proficiency in SQL Server … Desired Innovations Our client is actively modernizing. Exposure to the following is highly valued: Cloud & Orchestration: Azure ecosystems, Docker, and Kubernetes (AKS) . Messaging Patterns: Enterprise systems like Azure Service Bus or NServiceBus. Next-Gen Tech: Experience with Blockchain development or Cryptographic concepts is a significant plus. Modern ...

Java Architect (with Capital Markets)

Hiring Organisation
DXC Technology
Location
City of London, London, United Kingdom
Working across backend, front-end, data, and AI functions, with a focus on modern architectures, AI-driven automation, and cross-jurisdictional data compliance. Design and architect solutions for complex business challenges in the client lifecycle management space, utilizing your extensive experience with the Java/Spring Boot/… agentic AI and LLM-based services to streamline onboarding, document processing, and exception handling. Ensure compliance with data privacy, data sovereignty, and regulatory architecture patterns (e.g., regional sharding, zero-data copy patterns). Bring in proven experience working with or on Client Lifecycle Management and/ ...

Senior Java Developer (Low-Latency Payments Systems)

Hiring Organisation
RE Partners
Location
City of London, London, United Kingdom
strong Core Java and SpringBoot expertise, and thrive in a collaborative yet opinionated engineering culture, we want to hear from you. Key Responsibilities : Design, develop, and optimize low-latency, high-throughput backend systems using Core Java and SpringBoot. Build and maintain RESTful APIs and microservices that power secure …/or Kubernetes. Strong cloud experience with AWS services such as ECS, EKS, Lambda, S3, etc. Solid understanding of MongoDB and NoSQL design patterns. Prior experience in Payments Processing, financial services, or banking systems. Strong communication skills and a bias toward action and opinionated design decisions. ...

Java Tech Lead

Hiring Organisation
Axiom Software Solutions Ltd
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
Position: Java Tech Lead Location: London, UK (Hybrid 2 days onsite a week) Duration: Full Time Job Description: Key Responsibilities Design, develop, and maintain robust, scalable, and high-performance web applications. Build responsive and dynamic user interfaces using React.js. Develop Back End services and APIs using Java (Spring … experience with React.js, Redux (or similar state management libraries). Solid understanding of HTML5, CSS3, JavaScript (ES6+). Experience with RESTful API design and integration. Familiarity with databases such as MySQL, PostgreSQL, or MongoDB. Experience with version control systems like Git. Strong understanding of object-oriented programming ...

Java Software Engineer

Hiring Organisation
HCLTech
Location
City of London, London, United Kingdom
researchers, designers, mobile engineers, web engineers, data analysts and business analysts to define features specifications (Fraud, Risk, Treasury, Finance and more..), refine software design, and commence service building and testing. What you’ll be doing: Work with global product teams to create and evaluate the product roadmap - inputting … about it Be the technical voice at the table, prepared to educate and guide the business on the right approach, technology and trends Design and develop cloud native software systems that are resilient, secure, fast, easy to manage, and scalable in modern, dynamic environments such as public cloud. ...