8 of 8 Design Patterns Jobs in the City of London

DV Cleared Java Developer

Hiring Organisation
83zero Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
users. Your skills and experience What you'll bring: * Experience of Java * 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 … passion for delivering quality code, by use of TDD and setting high software quality standard We're also using the following technologies and patterns, it would be great if you had some of the skills, if not we can help develop them: * Designing microservice-based architectures using domain driven ...

AI/ML Engineer

Hiring Organisation
Brio Digital
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£75000 - £100000/annum
based) Salary: £75,000 - £100,000 (depending on experience) The Role We're hiring a Senior Machine Learning Engineer to lead the design and productionisation of Generative AI and Large Language Model (LLM) applications. This role sits at the heart of an AI-focused engineering team, delivering scalable …/CD, and Git. Strong understanding of deep learning, statistical modelling, and optimisation techniques. Nice to Have Experience with agentic design patterns (e.g. ReAct, Chain-of-Thought, tool use). Familiarity with LLM evaluation frameworks such as RAGAS or TruLens . Experience fine-tuning large models ...

C# Software Engineer/Quantitative Developer (Junior and Senior) - Global Hedge Fund - C# & Python : £80-150k

Hiring Organisation
Hunter Bond
Location
City of London, London, United Kingdom
contribute to every part of the investment pipeline—from research tooling and data infrastructure to real-time trading systems. Key Responsibilities: Design, develop, and optimize high-performance trading tools and data pipelines using C# and ideally Python Build research platforms that empower quantitative analysts and strategists Integrate … real-time and batch environments What We’re Looking For: Strong programming experience with C# Solid understanding of software engineering principles, design patterns, and performance tuning Experience in financial markets (equities, futures, FX, etc.) is a plus, but not required Familiarity with data science tools, APIs ...

Software Engineer C# .Net - Sports Trading

Hiring Organisation
Client Server
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£90,000
membership Social events, free fruit, snacks, coffee etc. Your role: As a Software Engineer within the trading engine team you'll collaborate to design and develop real-time trading systems, you'll often be collaborating with the strategy team on Greenfield projects which you'll take ownership … 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 Apply ...

Technical Lead

Hiring Organisation
Formula Recruitment
Location
City of London, London, United Kingdom
collaborate closely with both technical and non-technical stakeholders to deliver impact at scale. Responsibilities as a Tech Lead: Take ownership of system design, architecture, and implementation of key backend services Guide and mentor engineers across a cross-functional team Work closely with product managers and business stakeholders … commercial objectives Experience in line management responsibilities while remaining deeply technical Desire for building API-first products Deep understanding of software design patterns, SOLID principles, and test-driven development Experience with Agile methodologies, including peer reviews & pair programming. Ability to translate business needs into scalable technical solutions ...

iOS Developer

Hiring Organisation
YEO Messaging
Location
City of London, London, United Kingdom
Messaging, short for "Your Eye Only," was established by a team of experts in technology, security, and design to address trust issues in existing messaging platforms, particularly for business use. YEO provides secure solutions for business and personal users who value privacy, ensuring messages, files, and media … programming language and iOS frameworks Experience with UIKit, Core Data, and SwiftUI Knowledge of mobile app architecture, MVC/MVVM, and design patterns Familiarity with version control systems such as Git Understanding of API integration, JSON, and third-party libraries Experience writing unit and UI tests ...

Urgent Contract! - C# Developer - Up to £750/day - London

Hiring Organisation
Hunter Bond
Location
City of London, London, United Kingdom
with distributed and message-driven architectures , including ActiveMQ, plus full-stack exposure with Angular High engineering standards , applying SOLID principles, proven design patterns, CI/CD, and building maintainable, cloud-ready services (OpenShift desirable) Demonstrated ability to partner effectively with quantitative researchers, risk teams, and front-office ...

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. ...