51 to 75 of 132 OO Jobs in London

systems. You should apply for this role if you are/have: 10+ years software engineering/quantitative development within financial markets Excellent Python (NumPy, PyTorch, TensorFlow, Scikit); solid OO background in C++, Java or C# Strong MLOps and AI/ML model lifecycle experience Strong financial product knowledge and experience delivering solutions for trading/pricing Degree educated or More ❯

Knowledge of the design, development and implementation of software solutions. Full stack development experience in particular the Microsoft stack ,including .NET languages e.g. C# and a strong understanding of OO principles. Knowledge of relational database systems and SQL. Experience working with APIs. COMPETENCIES AND PERSONAL SKILLS Questioning, analytic skills with attention to detail. Solution orientated, rigorous and possesses troubleshooting skills. More ❯

Knowledge of the design, development and implementation of software solutions. Full stack development experience in particular the Microsoft stack ,including .NET languages e.g. C# and a strong understanding of OO principles. Knowledge of relational database systems and SQL. Experience working with APIs. COMPETENCIES AND PERSONAL SKILLS Questioning, analytic skills with attention to detail. Solution orientated, rigorous and possesses troubleshooting skills. More ❯

techniques Experience with trading platforms (e.g., Bloomberg, Tradeweb) Understanding of financial markets, particularly Rates and Credit bonds/derivatives Oustanding experience and knowledge with ION platform Expertise in object-oriented design patterns and SOLID principles Experience with functional programming concepts. Proven track record in Agile development environments Excellent problem-solving and analytical skills Experience with Spring Framework and More ❯

techniques Experience with trading platforms (e.g., Bloomberg, Tradeweb) Understanding of financial markets, particularly Rates and Credit bonds/derivatives Oustanding experience and knowledge with ION platform Expertise in object-oriented design patterns and SOLID principles Experience with functional programming concepts. Proven track record in Agile development environments Excellent problem-solving and analytical skills Experience with Spring Framework and More ❯

ReactJS, MongoDB, PostgreSQL. Experience using Kubernetes, Docker, and Jenkins, for containerisation and CI/CD is a plus. Knowledge of scalable distributed systems with a deep understanding of object-oriented design and design patterns. Knowledge of designing APIs and microservices. Experience working on web technologies. Deep understanding of messaging systems. What you get out of it An exciting More ❯

team growth over time About You : 4–8 years of experience in a quantitative development role Solid understanding of treasury and balance sheet concepts, particularly ALM Proficient in object-oriented programming – Python Able to work collaboratively across functions and communicate technical ideas clearly Highly adaptable, with the ability to prioritise and perform in a fast-moving environment Strong More ❯

team growth over time About You : 4–8 years of experience in a quantitative development role Solid understanding of treasury and balance sheet concepts, particularly ALM Proficient in object-oriented programming – Python Able to work collaboratively across functions and communicate technical ideas clearly Highly adaptable, with the ability to prioritise and perform in a fast-moving environment Strong More ❯

JavaScript. Strong understanding of MySQL , Eloquent models , and RESTful APIs . Experience integrating third-party APIs and webhooks. Familiarity with Git and collaborative code management. Strong understanding of object-oriented programming principles . Ability to thrive in a fast-paced environment and continuously learn new technologies. Nice to Have Experience with Alpine.js , Livewire , and vanilla JavaScript. Knowledge of More ❯

JavaScript. Strong understanding of MySQL , Eloquent models , and RESTful APIs . Experience integrating third-party APIs and webhooks. Familiarity with Git and collaborative code management. Strong understanding of object-oriented programming principles . Ability to thrive in a fast-paced environment and continuously learn new technologies. Nice to Have Experience with Alpine.js , Livewire , and vanilla JavaScript. Knowledge of More ❯

Developer, one must possess a mix of technical and soft skills: Proficiency in Java and its ecosystems, including frameworks like Spring, Hibernate, and Java EE. Strong understanding of Object-Oriented Programming (OOP) principles and design patterns. Familiarity with RESTful APIs , JDBC , and MVC architecture . Experience with build tools like Maven or Gradle and version control systems like More ❯

Developer, one must possess a mix of technical and soft skills: Proficiency in Java and its ecosystems, including frameworks like Spring, Hibernate, and Java EE. Strong understanding of Object-Oriented Programming (OOP) principles and design patterns. Familiarity with RESTful APIs , JDBC , and MVC architecture . Experience with build tools like Maven or Gradle and version control systems like More ❯

Engineering, or a similar field 5+ years of hands-on experience developing Java applications in a financial services environment (Java 21) Excellent knowledge in algorithms and data structures, object-oriented design, and microservices architecture (This will be tested) Proven record of complex software delivery in the Interest Rates domain Excellent Java 21, Spring Boot, strong practical experience with More ❯

Engineering, or a similar field 5+ years of hands-on experience developing Java applications in a financial services environment (Java 21) Excellent knowledge in algorithms and data structures, object-oriented design, and microservices architecture (This will be tested) Proven record of complex software delivery in the Interest Rates domain Excellent Java 21, Spring Boot, strong practical experience with More ❯

and resolve production incidents quickly and effectively. Understand, respond to, and address customer needs and issues with empathy and timeliness. Required Skills: Proficiency in Python or another typed, object-oriented programming language Proficiency in Javascript and React would be highly beneficial Good knowledge of software methodologies, tools, and typical architectural patterns. Experience with trading and risk management solutions More ❯

and resolve production incidents quickly and effectively. Understand, respond to, and address customer needs and issues with empathy and timeliness. Required Skills: Proficiency in Python or another typed, object-oriented programming language Proficiency in Javascript and React would be highly beneficial Good knowledge of software methodologies, tools, and typical architectural patterns. Experience with trading and risk management solutions More ❯

Technical Business Analysis experience within a front office trading environment Solid understanding of systems architecture and software delivery processes Experience gathering requirements from trading or quant teams Exposure to OO programming languages (e.g. Python, Java, C#) Excellent stakeholder management and communication skills Comfortable working in Agile teams Nice to Have: Experience with Fixed Income products or pricing systems Knowledge of More ❯

Technical Business Analysis experience within a front office trading environment Solid understanding of systems architecture and software delivery processes Experience gathering requirements from trading or quant teams Exposure to OO programming languages (e.g. Python, Java, C#) Excellent stakeholder management and communication skills Comfortable working in Agile teams Nice to Have: Experience with Fixed Income products or pricing systems Knowledge of More ❯

with Offensive Security, Red Team testing or Penetration testing You have a keen interest in Cyber Security and understanding of key concepts and protocols You can code with any OO programming language (e.g. Python, C++, C#, Java) You have experience of using different operating systems and networking technologies You have a good understanding (and interest in) low level concepts including More ❯

to enhance testing processes. About You Strong understanding of testing principles and different test types (exploratory, smoke, performance, white-box, etc). Solid experience using C# or another object-oriented language. Hands-on experience with UI and API test automation (Playwright, SpecFlow, similar frameworks). Comfortable partnering closely with software engineers. Detail-oriented, user-focused mindset. Exposure More ❯

to enhance testing processes. About You Strong understanding of testing principles and different test types (exploratory, smoke, performance, white-box, etc). Solid experience using C# or another object-oriented language. Hands-on experience with UI and API test automation (Playwright, SpecFlow, similar frameworks). Comfortable partnering closely with software engineers. Detail-oriented, user-focused mindset. Exposure More ❯

to enhance testing processes. About You Strong understanding of testing principles and different test types (exploratory, smoke, performance, white-box, etc). Solid experience using C# or another object-oriented language. Hands-on experience with UI and API test automation (Playwright, SpecFlow, similar frameworks). Comfortable partnering closely with software engineers. Detail-oriented, user-focused mindset. Exposure More ❯

to enhance testing processes. About You Strong understanding of testing principles and different test types (exploratory, smoke, performance, white-box, etc). Solid experience using C# or another object-oriented language. Hands-on experience with UI and API test automation (Playwright, SpecFlow, similar frameworks). Comfortable partnering closely with software engineers. Detail-oriented, user-focused mindset. Exposure More ❯

to enhance testing processes. About You Strong understanding of testing principles and different test types (exploratory, smoke, performance, white-box, etc). Solid experience using C# or another object-oriented language. Hands-on experience with UI and API test automation (Playwright, SpecFlow, similar frameworks). Comfortable partnering closely with software engineers. Detail-oriented, user-focused mindset. Exposure More ❯

to uncover edge cases and ensure robustness Pair with developers to enhance testing infrastructure for continuous delivery Proactively identify areas for improvement in software quality Essential Experience: Strong Object-Oriented Programming in Java (ideally Core Java) Proven background as an SDET Component testing, end-to-end testing & failure scenario testing Exploratory testing Desirable Experience: Continuous Delivery & CI/ More ❯