1 to 25 of 71 OOP Jobs in London

create great user experiences Have a good understanding of SOLID principles and how to use design patterns to create robust, maintainable and testable code Strong understanding of object-oriented programming and Dependency Injection Strong experience of integrating with third party services using APIs Experience of writing performance critical code Experience of using Git or similar to track More ❯

and other developers in an agile setup. Contributing to a platform that's critical to global trading operations. What we're looking for: Strong programming skills in an OOP language (Java, Python, etc.). Solid hands-on experience with React, JavaScript, HTML, and CSS. Good understanding of algorithms, data structures, and design patterns. Experience with agile methodologies (Scrum, Kanban More ❯

sector, is on the lookout for a talented React Developer to help create and expand their FX Options and Risk frontend application suite. Essential Skills & Qualifications: Proficient in an OOP language such as Java or Python. Strong experience with web technologies, tools, and frameworks, including HTML, CSS, JavaScript, and React. Familiarity with Agile development methodologies (XP, SCRUM, Kanban) and continuous More ❯

sector, is on the lookout for a talented React Developer to help create and expand their FX Options and Risk frontend application suite. Essential Skills & Qualifications: Proficient in an OOP language such as Java or Python. Strong experience with web technologies, tools, and frameworks, including HTML, CSS, JavaScript, and React. Familiarity with Agile development methodologies (XP, SCRUM, Kanban) and continuous More ❯

Preferred Qualifications Experience building streaming data processing and ingestion pipelines Experience building distributed data processing systems which handle a high volume of client queries Strong knowledge of object oriented programming, data structures, algorithms and design patterns Prior experience building systems used by multiple technical and non-technical teams Over 6 years' experience in Financial industry About Goldman More ❯

or C++ background if happy to use C# going forward) You have a strong knowledge of SQL databases You have a thorough understanding of Computer Science fundamentals such as OOP, Data Structures, Design Patterns, Algorithms You're entrepreneurial with good business acumen, keen to take ownership and lead projects You're collaborative, enjoy problem solving and sharing ideas What's More ❯

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 ❯

capability with infrastructure with AWS, Kubernetes & Terraform Good understanding of DNS, CI/CD workflows and infrastructure as code Observability experience (e.g., Prometheus, Grafana) Development experience with object-oriented programming (e.g., Java) Diligence, quality-focused, and analytical skills Proactive in contributing to organisational success More ❯

. Required qualifications Extensive experience designing & operating low latency distributed systems at scale for critical business functions. Extensive experience in testing & test automation Fluency in functional and object -oriented programming languages . Competency in using Git, CI/CD platforms, Docker and Kubernetes. Familiarity with More than one of: C#, Java, Python, and C++ Databases such as More ❯

or C++ background if happy to use C# going forward) You have a strong knowledge of SQL databases You have a thorough understanding of Computer Science fundamentals such as OOP, Data Structures, Design Patterns, Algorithms You're entrepreneurial with good business acumen, keen to take ownership and lead projects You're collaborative, enjoy problem solving and sharing ideas What's More ❯

cloud and microservices. Essential Skills & Experience Advanced proficiency in C# and .NET (Windows & Web). Strong experience with SQL Server and relational databases. Knowledge of WPF and object-oriented programming principles. Proven experience in banking or financial services. Excellent communication skills and ability to review code/design critically. Desirable Skills Exposure to .NET Core, Agile delivery More ❯

cloud and microservices. Essential Skills & Experience Advanced proficiency in C# and .NET (Windows & Web). Strong experience with SQL Server and relational databases. Knowledge of WPF and object-oriented programming principles. Proven experience in banking or financial services. Excellent communication skills and ability to review code/design critically. Desirable Skills Exposure to .NET Core, Agile delivery More ❯

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 ❯

relational and NoSQL databases (e.g., PostgreSQL, MongoDB). Hands-on experience with cloud platforms (AWS, Azure, or GCP). Familiarity with containerization (Docker, Kubernetes). Knowledge of design patterns, OOP principles, and clean code practices. Experience with Git, Jenkins, CI/CD pipelines. Strong problem-solving and debugging skills. Excellent communication and stakeholder management skills. Desirable skills/knowledge/ More ❯

years of professional experience in a Front Office, financial services environment as a senior contributor 10+ years cumulative, professional experience Strong background in data structures, algorithms, and object-oriented programming in C++ Permanent role - Central London based - 5 days a week in the office By applying to this job you are sending us your CV, which may More ❯

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 ❯

and debug user issues Provide operational and user-facing documentation We are looking for a Senior ML Platform Engineer with: Proven years of experience working with an object-oriented programming language (Python, Go, etc.) Experience designing cloud-native, distributed platforms Strong knowledge of Kubernetes, Argo, and container orchestration technologies Previous experience with modern CI/CD tools 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 ❯

both technical and non-technical stakeholders Beneficial Skills: Experience with AWS services such as Lambda, DynamoDB, API Gateway, Step Functions, AppSync, and Event Bridge AWS Certifications Experience with other OOP languages (Python, Java, Go) Familiarity with containerisation tools (Docker, Kubernetes) Why Join Us? Work in a dynamic, collaborative global team. Opportunities for career growth and development. Competitive salary and benefits More ❯

Experience: University Degree in Computer Science or equivalent Proven ability to produce high-quality, maintainable code Strong problem-solving skills and ability to manage legacy code Excellent understanding of OOP principles and design patterns of software development Minimum 5 years of experience in building commercial .NET Framework or .NET Core applications with C# Minimum 3 years of experience in Web More ❯

at A-Level (or equivalent) Must have unrestricted right to work in the UK, as we unfortunately cannot provide Visa Sponsorship . Desirable Skills Strong understanding of object-oriented programming and multithreading/concurrency. Experience building real-time, high-throughput systems (ideally in finance or trading). Familiarity with electronic trading platforms, FIX protocol, or market data More ❯

GitHub, GitHub Actions, and CI/CD pipelines. Nice to have: Experience with GCP (BigQuery, Dataflow, Composer, Pub/Sub) or AWS. Familiarity with Snowflake. Knowledge of object-oriented programming (Kotlin, Java, or C#). Retail data experience (sales, inventory, or related datasets). What would make you a great fit: Collaboration: You believe the best results More ❯

traditional financial markets (e.g., spot FX, rates, or equities). Minimum of 5 years hands-on software development experience in Core Java (J2SE). Strong understanding of object-oriented programming principles, with expertise in applying design patterns to deliver scalable, performant, and secure solutions. Demonstrated ability to write clean, efficient, and maintainable code. Proficient in writing automated More ❯

with real business value Key technical areas include keeping to 12-factor principles, building highly-scalable, highly-available, cloud-native applications on AWS within a microservices architecture. Object-oriented programming forms the bulk of our codebase, currently in Java (11+), and ideally Spring Boot. You will be working with SQL and large SQL databases, Docker, Kubernetes, OpenAPI More ❯

equivalent (3+ years of professional software development experience), or Master's Degree (2+ years post-degree experience) Hands-on experience in software development using Java or similar object-oriented programming languages, or Scala or Kotlin or similar functional languages Proven experience building and operating scalable distributed systems and services within AWS cloud infrastructure or similar technologies. Designed More ❯