26 to 50 of 70 OO Jobs in London

clients Requirements: MS degree in Mathematics, Engineering, Computer Science or other related fields Results-oriented, analytical approach with strong entrepreneurial problem-solving skills Experience and understanding an object-oriented programming code (C#) – the ability to read and understand functional code is mandatory. Previous work experience as a developer is a big plus Energetic, collaborative, and seeking to More ❯

clients Requirements: MS degree in Mathematics, Engineering, Computer Science or other related fields Results-oriented, analytical approach with strong entrepreneurial problem-solving skills Experience and understanding an object-oriented programming code (C#) – the ability to read and understand functional code is mandatory. Previous work experience as a developer is a big plus Energetic, collaborative, and seeking to More ❯

data science libraries (Pandas/NumPy/SciPy/Scikit-learn). Strong SQL skills for data retrieval, basic analysis, and data cleansing. Strong knowledge and application of object-oriented design and software best practices in Python Familiarity of cloud architecture, with a focus in deploying and hosting applications in a cloud environment. Self-starter who is commercially More ❯

a related technical field. 8+ years of hands-on software development experience, including large-scale backend systems or platform engineering. Expert in Python with a strong understanding of object-oriented programming, testing frameworks, and automation libraries. Experience building or validating platform infrastructure, with hands-on knowledge of CI/CD systems, GitHub Actions, Jenkins, or similar tools. Solid More ❯

non-internship) in professional software development - Experience in professional, non-internship software development - Experience programming with at least one modern language such as Java, C++, or C# including object-oriented design PREFERRED QUALIFICATIONS - Bachelor's degree in computer science or equivalent - Experience with full software development life cycle, including coding standards, code reviews, source control management, build processes More ❯

Analytical & Communication skills. Good Knowledge of requirements elicitation, structured analysis, requirement documentation, stakeholder management, use case and user story definition and other Business Analysis techniques. Exposure to SQL, Object-oriented languages (general technology know-how), XML/FpML, FIX/ISO 20022. Familiarity with OTC derivatives, clearing and regulatory reporting. Commercial awareness and financial services experience. Qualifications in More ❯

they use RedHat) including command line You have strong SQL skills, ideally with MySQL experience You're able to script/code with Perl, Shell or bash, can read OO code and are familiar with SQL commands You have a basic networking and Cloud knowledge You're collaborative, with excellent communication and client facing skills What's in it for More ❯

they use RedHat) including command line You have strong SQL skills, ideally with MySQL experience You're able to script/code with Perl, Shell or bash, can read OO code and are familiar with SQL commands You have a basic networking and Cloud knowledge You're collaborative, with excellent communication and client facing skills What's in it for More ❯

Software Engineer developing commercial software using Java Proficiency in programming languages relevant to the organization's tech stack (e.g., Java, C#, JavaScript, TypeScript) Strong understanding of software architecture, object oriented and microservicedesign patterns, and best practices. Experience with relevant frameworks and tools (e.g., Spring, Hibernate, Bitbucket, Jira. Knowledge of database systems and data modelling (MSSQL, PostgreSQL). Experience More ❯

maintainable code. Participate actively in Agile ceremonies and cross-team collaboration. Required Skills & Experience Deep expertise in Oracle Exadata performance and tuning. Strong background in Scala or another modern OO/functional programming language. Experience with reactive event-sourced systems . Proficient in applying design patterns and optimizing algorithms. Solid understanding of Agile/Scrum methodologies. Experience with Specification by More ❯

maintainable code. Participate actively in Agile ceremonies and cross-team collaboration. Required Skills & Experience Deep expertise in Oracle Exadata performance and tuning. Strong background in Scala or another modern OO/functional programming language. Experience with reactive event-sourced systems . Proficient in applying design patterns and optimizing algorithms. Solid understanding of Agile/Scrum methodologies. Experience with Specification by More ❯

within algorithmic trading Business knowledge of equities and/or derivatives markets Working knowledge of FIX protocol (heartbeats, login, sequence numbers, message types) Proficient in TDD , UML , and object-oriented design Experience with Eclipse or IntelliJ , Git , CI/CD tools , and Maven/Gradle If you're passionate about high-performance trading systems and thrive in a More ❯

within algorithmic trading Business knowledge of equities and/or derivatives markets Working knowledge of FIX protocol (heartbeats, login, sequence numbers, message types) Proficient in TDD , UML , and object-oriented design Experience with Eclipse or IntelliJ , Git , CI/CD tools , and Maven/Gradle If you're passionate about high-performance trading systems and thrive in a More ❯

middleware. Strong understanding of data migration and ETL tools. Proficiency with code change control using BitBucket, JIRA, and Confluence. Knowledge of sophisticated business systems integration as well as object-oriented design patterns and development. Familiarity with Services Oriented Design Principles (SOA) and Web Services. Company Benefits Enhanced Parental Leave Generous annual leave Healthcare Plan Annual Giving Day More ❯

middleware. Strong understanding of data migration and ETL tools. Proficiency with code change control using BitBucket, JIRA, and Confluence. Knowledge of sophisticated business systems integration as well as object-oriented design patterns and development. Familiarity with Services Oriented Design Principles (SOA) and Web Services. Company Benefits Enhanced Parental Leave Generous annual leave Healthcare Plan Annual Giving Day More ❯

concurrency, NIO). Experience with multithreaded systems and Java garbage collection. Familiarity with design patterns (e.g., Observer, Factory, Singleton). Strong background in test-driven development, UML, and object-oriented design. Proficient in development tools such as Eclipse or IntelliJ, GIT, Maven/Gradle, and continuous build servers. Understanding of benchmark algorithms and smart routing strategies (e.g., VWAP More ❯

working on machine learning models at scale. We will also consider exceptional candidates with a proven record of success in online data science competitions, such as Kaggle Strong object-oriented programming skills and experience working with Python, PyTorch and NumPy are desirable Experience in one or more advanced optimisation methods, modern ML techniques, HPC, profiling, model inference; you More ❯

to customers instantly as they spend. The requirements Essential: Experience designing and operating highly available, low-latency payments systems (10,000+ transactions per day). Proficiency in an object-oriented programming language, ideally Python. Experience designing data models for payments systems, ensuring accuracy, scalability, and maintainability, ideally using PostgreSQL. Experience building and integrating APIs and distributed systems, including More ❯

we can't achieve. BASIC QUALIFICATIONS - Experience (non-internship) in professional software development - Experience programming with at least one modern language such as Java, C++, or C# including object-oriented design PREFERRED QUALIFICATIONS - Experience with full software development life cycle, including coding standards, code reviews, source control management, build processes, testing, and operations - Bachelor's degree in computer More ❯

My client within Investment Banking is looking for a Java developer to join their team. The role will be working on their Equities position keeping systemRequirements Core Java object-oriented design and development principles Multi-faceted role (development, testing, support analysis, release co-ordination) developing in Linux, multi-threaded, large scale, fault tolerance systems Azul Zing, FIX Trading More ❯

client within Investment Banking is looking for a Java developer to join their team. The role will be working on their Equities position keeping system Requirements Core Java object-oriented design and development principles Multi-faceted role (development, testing, support analysis, release co-ordination) developing in Linux, multi-threaded, large scale, fault tolerance systems Azul Zing, FIX Trading More ❯

based at office at London (no remote or hybrid) A degree (MSc or PhD) in either Computing Science/Geology/Maths, C or C++ programming and design; object oriented design; C++ standard library or Boost libraries. GUI development using Qt; Qt Creator; Qt Designer, Qt Quick; QML. 3D graphics toolkits experience; OpenGL or OpenSceneGraph or Q3D or More ❯

based solutions - 7+ years of consulting or professional services experience - 5+ years of database (eg. SQL, NoSQL, Hadoop, Spark, Kafka, Kinesis) experience - 5+ years of software development with object oriented language experience - Bachelor's degree, or 7+ years of professional or military experience PREFERRED QUALIFICATIONS - Experience leading the architecture and implementation of AI/ML workloads - Proven track More ❯

to automation processes while maintaining shared libraries and documentation. What You Bring 8+ years of test development experience, including 2+ years leading a team. Strong expertise in Java, object-oriented principles, and unit testing frameworks (e.g., JUnit). Experience testing backend systems or APIs, with knowledge of REST, JSON, or Thrift. Bonus: Familiarity with Selenium WebDriver, Jenkins, big More ❯

of database (eg. SQL, NoSQL, Hadoop, Spark, Kafka, Kinesis) experience - 7+ years of consulting, design and implementation of serverless distributed solutions experience - 3+ years of software development with object oriented language experience - 3+ years of cloud based solution (AWS or equivalent), system, network and operating system experience PREFERRED QUALIFICATIONS - Experience leading the design, development and deployment of business More ❯