1 to 25 of 54 OOD Jobs in London

Senior C# .Net Developer

Location
Greater London, England, United Kingdom
ASP.NET Core/Web API REST APIs and microservices SQL Server, including complex queries, stored procedures and optimisation Entity Framework/ORM Object-oriented design and design patterns Distributed systems and enterprise integration Unit and automated testing Azure DevOps, Git and CI/CD Agile/ ...

Senior C# .Net Developer

Hiring Organisation
ARM
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500/day Umbrella Inside IR35
ASP.NET Core/Web API REST APIs and microservices SQL Server, including complex queries, stored procedures and optimisation Entity Framework/ORM Object-oriented design and design patterns Distributed systems and enterprise integration Unit and automated testing Azure DevOps, Git and CI/CD Agile/ ...

Senior Platform Engineer

Hiring Organisation
WTW
Location
London, England, United Kingdom
estimation, architecture/design, implementation, unit and system testing, deployment, operations, monitoring and incident management. Software engineering fundamentals Strong grounding in object oriented design, design patterns, SOLID principles, clean code practices, code review, documentation and Agile delivery. Core technical stack Hands‐on experience with C# ...

Senior C# .Net Developer

Location
Greater London, England, United Kingdom
ASP.NET Core/Web API REST APIs and microservices SQL Server, including complex queries, stored procedures and optimisation Entity Framework/ORM Object-oriented design and design patterns Distributed systems and enterprise integration Unit and automated testing Azure DevOps, Git and CI/CD Strong troubleshooting ...

C# / .NET Developer – Front Office Liquidity, Treasury & Risk Systems

Location
Greater London, England, United Kingdom
HTML Required Experience & Skills Essential Proven experience as a Senior C# .NET Developer in demanding, performance-sensitive banking environments. Deep understanding of Object-Oriented design patterns, asynchronous programming, and multithreading. Solid back-end experience building event-driven services, messaging systems, and Windows Services. Strong MS SQL Server ...

Software Engineer II - Blockchain/ Digital Assets

Location
Greater London, England, United Kingdom
software engineering experience with Java Spring Boot/Python or similar modern backend frameworks Understanding of software development fundamentals: data structures, algorithms, object-oriented design Experience with version control (Git) and working in collaborative development environments Eagerness to learn distributed systems, blockchain technologies, and cloud-native architectures ...

Automation Test Software Engineer

Location
Greater London, England, United Kingdom
Knowledge of hardware integration and device communication protocols. Experience testing physical products, embedded systems, or IoT devices. Strong understanding of software architecture, object-oriented design, and design patterns. Experience with RESTful APIs, web services, and backend system integration. Knowledge of automation infrastructure, test orchestration, and execution ...

Lead Software Engineer - JAVA - Equities - Vice President

Location
Greater London, England, United Kingdom
inputs/outputs, and adherence to resiliency and security expectations; experience coaching engineers on safe, compliant adoption within delivery practices Experience with object-oriented design and micro-service architectures and best practices Proficient in all aspects of the Software Development Life Cycle Good understanding of software design ...

ETRM Technical Consultant (Endur)

Location
Greater London, England, United Kingdom
Experience with CI tools such as Jenkins or TeamCity. Experience with build tools such as Maven, Gradle or Ant. Strong knowledge of object-oriented design principles and established design patterns. A good understanding of dependency injection and software architecture principles. Experience working on business-critical systems ...

Sr Lead Software Engineer - Java / Python

Location
Greater London, England, United Kingdom
platforms Advanced in one or more programming language(s), with deep hands‐on expertise in Java (17+), including concurrency, memory management, and object‐oriented design Demonstrated experience designing clean APIs and rollout strategies for distributed systems (including integration and backward compatibility considerations) Practical experience with Spring/ ...

Lead C# Engineer

Hiring Organisation
WTW
Location
London, England, United Kingdom
analysis, estimation, detailed software design, implementation, unit and system-level testing, installation and deployment, maintenance Experience with software engineering best practices: object-oriented design and implementation, design patterns, SOLID principles, Agile and Extreme Programming methodologies Experience with software development tools: IDE’s, version control, test ...

Senior Engineer

Location
Greater London, England, United Kingdom
documentation and knowledge bases.* Experience operating highly available services.* Experience with distributed systems, consistent hashing, distributed locking, check-pointing, and load balancing.* OOO/OOD concepts and design patterns, modularization, functional decomposition and system implementation using micro services.* Software engineering practices including various types of testing: BDD, TDD, Unit ...

Senior Embedded Software Engineer

Hiring Organisation
KO2 Embedded Recruitment Solutions LTD
Location
London, England, United Kingdom
something you've only dabbled in. Solid C skills are also needed. Embedded Linux development, including debugging with GDB and strace. Object-oriented design and UML. Ability to read hardware schematics and debug on target with debuggers, monitors or simulators. Networking protocols such as HTTP and MQTT ...

AES - DE - FS - Java

Location
Greater London, England, United Kingdom
Strong expertise in Java 17+, Spring Boot, Spring Framework, and RESTful APIs. Experience with microservices architecture and distributed systems. Strong understanding of object-oriented design principles and design patterns. Experience with SQL databases such as Oracle, SQL Server, or PostgreSQL. Experience with CI/CD pipelines ...

Java Lead Software Engineer — Digital Markets Execution Technology, Execute

Location
Greater London, England, United Kingdom
platforms Advanced in one or more programming language(s), with deep hands-on expertise in Java (17+) , including concurrency, memory management, and object-oriented design Demonstrated experience designing clean APIs and rollout strategies for distributed systems (including integration and backward compatibility considerations) Practical experience with Spring/ ...

Principal Applied Data Scientist

Location
Greater London, England, United Kingdom
world problems, with a consistent track record of shipping models to production and supporting them post-deployment. Strong Python programming skills, including object-oriented design and proficiency with key ML libraries (e.g., PyTorch, TensorFlow, Scikit-Learn). Solid understanding of probability and statistical modeling to support robust ...

Software Dev Engineer II

Location
Greater London, England, United Kingdom
meet performance and operational goals. Code Quality: Experience programming with at least one modern language such as Java, C++, or C# including object-oriented design Agile Collaboration: Actively participate in agile development processes to deliver high-impact features in a fast-paced environment. Quality Assurance: Participate ...

Senior Lead Software Engineer - Athena Rates Risk and PNL

Location
Greater London, England, United Kingdom
Required Qualifications Hands-on Python development experience Strong preference for candidates with financial services background Solid understanding of software engineering principles including object-oriented design, testing methodologies, and version control practices Demonstrated ability to write clean, maintainable code and work effectively within large, complex codebases Ability ...

Front office C# Developer

Hiring Organisation
McGregor Boyall Associates Limited
Location
Central London, South East, United Kingdom
Employment Type
Permanent Contract, Hybrid
Financing, Equity Financing or Equity Swaps . Demonstrable experience taking ownership of technical architecture and delivering substantial projects independently. Strong understanding of object-oriented design, data structures, algorithms and software engineering principles. Experience working with relational databases such as SQL Server or MySQL. Ability to articulate architectural ...

Lead Software Engineer - C++ Developer

Location
Greater London, England, United Kingdom
latency optimization and system stability. Required Qualifications, Capabilities, and Skills: Proficiency in modern C++ on Unix/Linux with strong multithreading and object-oriented design fundamentals. Hands-on experience in system design, application development, testing, and operational stability in production environments. Scripting skills (Python, Perl, Shell ...

Senior/ Lead Android Engineer

Location
Greater London, England, United Kingdom
scale Experience building large, complex mobile applications with polished, performant UIs - ideally for global consumer audiences Strong proficiency in Java, with solid object-oriented design principles and a keen eye for clean, maintainable code Deep knowledge of the Android ecosystem - including platform fragmentation, UI design patterns ...

Software Engineering Manager - AI Focused

Hiring Organisation
WTW
Location
London, England, United Kingdom
potential benefits and limitations. • Prior hands-on technical experience of desktop or web-based .NET/C# technologies and tools. • Experience with object-oriented design and implementation, design patterns, SOLID principles. • High numeracy skills, passion for maths, statistics and complex algorithms. • Line management experience. • General knowledge ...

Senior/ Lead Android Engineer

Location
Greater London, England, United Kingdom
scale Experience building large, complex mobile applications with polished, performant UIs – ideally for global consumer audiences Strong proficiency in Java, with solid object‐oriented design principles and a keen eye for clean, maintainable code Deep knowledge of the Android ecosystem – including platform fragmentation, UI design patterns ...

Rates Athena Python Lead

Location
Greater London, England, United Kingdom
years of hands-on Python development experience Strong preference for candidates with financial services background Solid understanding of software engineering principles including object-oriented design, testing methodologies, and version control practices Demonstrated ability to write clean, maintainable code and work effectively within large, complex codebases Strong verbal ...

Lead Software Engineering - C++

Hiring Organisation
Hackajob Ltd
Location
South West London, South East, United Kingdom
Employment Type
Permanent Contract, On-site
C++ software for deterministic performance. Required Qualifications, Capabilities, and Skills: Proficiency in modern C++ on Unix/Linux with strong multithreading and object-oriented design fundamentals. Hands-on experience in system design, application development, testing, and operational stability in production environments. Scripting skills (Python, Perl, Shell ...