14 of 14 DemandTrendContract OO Jobs in London

Oversee or take part in the entire cycle of software consulting and delivery Profile You can skillfully write high-quality, well-tested code and you are comfortable with Object-Oriented programming. You are comfortable with Agile methodologies, such as Extreme Programming (XP), Scrum and/or Kanban. You have a good awareness of TDD, continuous integration and continuous More ❯

Collaborate with cross-functional teams to define, design, 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 More ❯

Review) Reporting for ECB and familiarity with industry-standard architecture and design principles. Advanced proficiency in C# and .NET (both Windows and Web applications). Strong understanding of Object-Oriented Programming concepts. Good knowledge of Oracle and SQL Server (PL/SQL & TSQL). Excellent verbal and written communication skills, capable of interacting with both technical and non More ❯

discrete optimisation problems, etc. * Strong interpersonal skills & ability to explain data science principles with clarity to non-technical stakeholders when required * Extensive knowledge of Python programming principles including object-oriented programming, performance optimisation * Experience developing & deploying productionised Machine Learning applications on a cloud platform (GCP ideal, AWS & Azure also acceptable) * Experience with common Python packages for Machine Learning 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 ❯

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 ❯

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 ❯

Requirements: 3+ years of commercial Ruby/Ruby on Rails experience The ability to work as part of a team or as an individual A firm grasp of object-oriented analysis and design Good knowledge of relational databases microservices Understanding of Agile methodologies This role is Outside IR35, 12 months, paying Euros 350 per day and the successful More ❯

maintenance, and enhancement of Delphi-based applications. The ideal candidate will have deep expertise in Delphi (especially versions like Delphi 7, XE, or later), a strong understanding of object-oriented programming, and experience integrating legacy systems with modern architectures. Key Responsibilities: Design, develop, test, and maintain software applications using Delphi. Analyze legacy Delphi code and recommend enhancements or More ❯

build, and maintain robust automation frameworks within Agile, GDS-aligned delivery environments. Collaborate closely with developers, product teams, and stakeholders to integrate testing across the full SDLC. Apply Object-Oriented principles and best practice design patterns to produce clean, maintainable, and reusable test solutions. Implement SOLID and DRY principles in automation design. Contribute to CI/CD pipelines … Extensive experience coding in JavaScript . Strong knowledge of the React framework. Practical automation experience with Playwright , Cypress , or Karate . Core Competencies (for all) Strong understanding of Object-Oriented principles . Demonstrated experience applying SOLID and DRY design principles. Experience of working in SDLC environments common in government projects (Agile, CI/CD, trunk-based development). More ❯

Principal Engineer 12 months Remote Active SC & NPPV3 clearance required Inside IR35 - Umbrella only Job Description Lead and mentor multiple engineering teams, fostering a culture of collaboration, innovation, and continuous improvement. Develop engineering capability through coaching, recruitment, and career development More ❯