26 to 50 of 121 OOP Jobs in London

experience in Python (FastAPI desirable). Frontend experience with technologies such as TypeScript and React. 3+ years of experience in developing complex software solutions. Solid understanding of object-oriented programming and test-driven development (TDD, BDD). Familiarity with agile software engineering practices. Passion for continual learning and experimentation. Desirable Skills: Experience with C# Experience with AWS More ❯

in Java software development, ideally within financial services or a trading environment. Proven experience building or supporting risk platforms, pricing systems, or valuation engines. Strong knowledge of object-oriented programming, data structures, and design patterns. Familiarity with market risk, credit risk, or counterparty risk concepts. Experience with messaging systems (e.g., Solace, Kafka, or RabbitMQ) and distributed architecture. More ❯

functional requirements. Support CI/CD integration and continuous improvement of testing processes. Required Skills & Experience 5+ years' experience as an SDET or Automation Engineer. Strong knowledge of Java (OOP, SOLID principles) and ability to build coded test frameworks. Experience with RESTAssured and API Testing . Familiarity with SQL/RDBMS and Integration Testing . Hands-on with Git/ More ❯

firm have a very specific set of requirements and will not look outside of this. They are; Have studied Computer Science or Maths at a Top University Have strong OOP – language is not important; Python, Java, C C#. Strong problem-solving capability Some SQL experience Have had internship or placement experience (non-negotiable) Salary range is £45K-£55K + bonus More ❯

architecture of distributed, high-throughput systems. Conduct research to enhance optimisation frameworks and algorithm performance. Required Experience Strong foundation in mathematics, optimisation, or operations research. Demonstrated Python engineering skills (OOP, algorithms, data structures). Ability to transform theoretical models into practical solutions. Strong communication and teamwork skills. Preferred Experience MSc/PhD in a quantitative discipline. Experience with optimisation frameworks More ❯

architecture of distributed, high-throughput systems. Conduct research to enhance optimisation frameworks and algorithm performance. Required Experience Strong foundation in mathematics, optimisation, or operations research. Demonstrated Python engineering skills (OOP, algorithms, data structures). Ability to transform theoretical models into practical solutions. Strong communication and teamwork skills. Preferred Experience MSc/PhD in a quantitative discipline. Experience with optimisation frameworks More ❯

development You have a strong knowledge of databases (SQL or 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 What's in it More ❯

in this role as a Senior Software Engineer C++, you will be a proponent of agile methodology and modern software best practices. You can produce detailed technical work in OOP and work with other members of the Development team to produce code of high-quality standards. Ideally, you should have worked in critical systems development in the past. Responsibilities and More ❯

in this role as a Senior Software Engineer C++, you will be a proponent of agile methodology and modern software best practices. You can produce detailed technical work in OOP and work with other members of the Development team to produce code of high-quality standards. Ideally, you should have worked in critical systems development in the past. Responsibilities and More ❯

have strong SQL skills (PostgreSQL, SQL Server and ideally Databricks, or happy to learn it) You have a thorough knowledge of Computer Science fundamentals including Data Structures, Design Patterns, OOP You're collaborative and pragmatic with great communication skills Apply now to find out more about this Python Developer/Backend Software Engineer (Python FastAPI Data Azure) opportunity. At Client More ❯

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 ❯

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 ❯

related technical field. Extensive 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. Pytest/Playwright test framework Experience building or validating platform infrastructure, with hands-on knowledge of CI/CD systems, GitHub Actions More ❯

continuous improvements . What Were Looking For SDET with experience as a Performance Tester , ideally in a consultancy or client-facing environment. Proficiency in at least one object-oriented programming language (e.g., Java, Python, C#, or JavaScript/TypeScript) for writing clean, maintainable test code and frameworks. Strong knowledge of performance testing methodologies, tools, and scripting .But More ❯

before the development starts ● Deep understanding of MVC, MVVM, VIPER and other patterns ● Deep understanding of Factory, Adapter, Observer, Singleton and other behaviour patterns ● Deep understanding of Object-Oriented Programming, data structures, and design patterns Proficiency ● Have published at least 5 iOS apps on Play Store ● Must possess knowledge on App Security and Cryptography ● Good exposure to More ❯

to understand real-world requirements and translate them into elegant technical solutions. What We’re Looking For Solid understanding of Java and core computer science principles (data structures, algorithms, OOP). Strong problem-solving skills and attention to detail. Eagerness to learn about trading systems, low-latency development, and financial markets. Experience with data analytics tools or frameworks (Python, SQL More ❯

to understand real-world requirements and translate them into elegant technical solutions. What We’re Looking For Solid understanding of Java and core computer science principles (data structures, algorithms, OOP). Strong problem-solving skills and attention to detail. Eagerness to learn about trading systems, low-latency development, and financial markets. Experience with data analytics tools or frameworks (Python, SQL More ❯

familiar with basic concepts of at least one programming or scripting language (e.g. Java, C/C++, Python, C#) Helpful to have knowledge of data structures, algorithms and OOP concepts Helpful to have effective communication skills and the ability to engage with a variety of partners (e.g., internal, external, technical, non-technical people) What We Offer Successful candidates will More ❯

heavy environment. What you’ll need Strong skills in Java , TypeScript , ReactJS , MongoDB , and PostgreSQL . Exposure to Kubernetes , Docker , and Jenkins (CI/CD). Deep understanding of OOP , design patterns , and distributed systems . Experience designing APIs and microservices . Knowledge of messaging systems and web technologies. Finance or banking sector experience is a strong plus. If you More ❯

Strong working knowledge of R - Proven experience in refactoring "research-level" code into production-ready software - Proven experience of collaborating effectively in cross-functional team environment - Software skills include: OOP, test-driven development, unit testing (pytest), Git, CI/CD - Clear technical writing/documenting Desirable: - Familiarity with cloud environments (ideally AWS) - Familiarity with containerisation - Familiarity of workflow management systems More ❯

have strong SQL skills (PostgreSQL, SQL Server and ideally Databricks, or happy to learn it) You have a thorough knowledge of Computer Science fundamentals including Data Structures, Design Patterns, OOP You're collaborative and pragmatic with great communication skills What's in it for you: As a Senior Software Engineer you will receive a competitive package: Salary to £90k + More ❯

software development lifecycle experience You have a good knowledge of networking protocols e.g. TCP/IP, multicast You have a strong grounding in Computer Science fundamentals e.g. multi-threading, OOP, Data Structures, Design Patterns You're collaborative with great communication skills What's in it for you: *Please note this is a 12 month Fixed Term Contract, with full benefits More ❯

ofprompt engineering techniques, including designing effective prompts for different tasks, optimizing input/output formats, and leveraging techniques such as few-shot learning. Advanced Python Development Proficiency: Experience with OOP, and data-validation libraries such as Pydantic. Deep familiarity with Python and its ecosystem for AI/ML, including libraries likePyTorch, Hugging Face Transformers, andscikit-learn. Experience withdata manipulationusing libraries More ❯

engineer Soft Skills: Strong written and verbal communication skills Experience: Hands on programming experience with: i. Proficient Python Programming ii. Key skills: Functions, classes, and object-oriented programming, List comprehensions, generators, Error handling, iii. Working with virtual environments and package management (pip, venv) Data Manipulation & Analysis (Pandas & NumPy) i. Key libraries: pandas, numpy, (optional: polars More ❯

engineer Soft Skills: Strong written and verbal communication skills Experience: Hands on programming experience with: i. Proficient Python Programming ii. Key skills: Functions, classes, and object-oriented programming, List comprehensions, generators, Error handling, iii. Working with virtual environments and package management (pip, venv) Data Manipulation & Analysis (Pandas & NumPy) i. Key libraries: pandas, numpy, (optional: polars More ❯