1 to 25 of 68 OO Jobs in London

essential for the role: 5+ years of experience as a .NET developer Strong expertise in .NET and .NET Core with solid object-oriented programming knowledge Strong SQL skills with experience across relational and non-relational databases such as PostgreSQL, Redshift, Trino or MongoDB Experience developing SaaS applications ...

time trading platforms Strong understanding of Fixed Income or FX trading workflows Experience with RFQ lifecycles within larger trading ecosystems Solid grasp of: Object-Oriented Design Domain-Driven Design (DDD) Test-Driven Development (TDD) Linux systems experience Networking fundamentals: TCP, UDP, Ethernet, HTTP Hands-on experience with: Performance ...

systems used in a live institutional trading environment REQUIRED - SKILLS/EXPERIENCE: Strong Java development experience, ideally 5+ years Deep understanding of object-oriented design, concurrency, and high-performance distributed systems Proficient in Python; Including use of libraries such as NumPy, SciPy and Pandas for quantitative analysis ...

core stack includes: The Engine: Expert-level C# and .NET Core mastery. Architecture: Deep understanding of SOA (Service Oriented Architecture) and complex Object-Oriented design patterns. System Dynamics: Specialized knowledge of concurrency, asynchrony, and parallelism —essential for real-time transactional processing. Data & Web: High proficiency ...

environments , identify risks, and drive solutions forward. Technical Skills Strong hands-on experience building applications using React and TypeScript . Solid understanding of Object-Oriented Programming (OOP) and software design principles. Good understanding of computational complexity and performance considerations . Experience working across the full software development lifecycle ...

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 ...

Pega Infinity, case management, integration patterns, and BPM concepts. Proven experience leading large‐scale Pega implementations in complex enterprise environments. Strong knowledge of Object‐Oriented concepts, solution design principles, and enterprise integration strategies. Hands‐on leadership experience in Agile/Scrum delivery environments. Demonstrated ability to mentor architects ...

/CD, logging/monitoring What they want: 2–5 years of experience building production systems (or equivalent ability) Strong Java fundamentals (OO design, APIs/services, concurrency basics, testing) Some UI development Comfortable with SQL/PostgreSQL Some Python experience (enough to manage and improve existing ETL/ingestion ...

/CD, logging/monitoring What they want: 2–5 years of experience building production systems (or equivalent ability) Strong Java fundamentals (OO design, APIs/services, concurrency basics, testing) Some UI development Comfortable with SQL/PostgreSQL Some Python experience (enough to manage and improve existing ETL/ingestion ...

.NET are central to the team’s core systems Python is widely used across quant and data groups Open to candidates from other OO backgrounds (C++, Java, Go) with strong fundamentals Exposure to high‐performance, low‐latency, or business‐critical systems is valuable Financial markets experience is not essential ...

Quantifi system for client specific performance Skills and Requirements: Working on undergraduate degree in Computer Science, Engineering or other technical discipline Experience with object-oriented programming languages (C#, C++, Python) Self-motivated with ability to work both independently and under direction Excellent interpersonal skills Optional: Knowledge of relational ...

throughout the project lifecycle. Lead the technical implementation of Endur solutions, including enhancements, system configuration, data migration and version upgrades. Design and architect object-oriented Endur-based solutions that meet client needs and adhere to industry standards for scalability, robustness, maintainability, and integration with other components and systems ...

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 ...

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 ...

high-trust, high-skill environments What You Bring Hands-on experience building and running automated tests (integration, end-to-end) Containerization: Docker, Kubernetes Object-oriented programming fundamentals Linux-based operating systems Scripting: Bash/Shell, Python, or JavaScript Data querying: SQL, NoSQL, or equivalent Genuine interest in chaos ...

mentor engineers. WHAT YOU WILL NEED 8+ years of software development experience, including 3+ years leading or managing engineering teams. Strong background in object-oriented programming using languages such as C#, Java, Python, or similar. Experience building Microsoft-based applications across front-end, back-end, and services layers. ...

operations, ensuring high availability and rapid incident resolution. Requirements Must Haves 4+ years of professional experience with Ruby on Rails. Strong understanding of object-oriented programming and Rails architecture Extensive experience with PostgreSQL, including performance tuning and complex queries. Experience with background job processing using Sidekiq and Redis. ...

.NET Developer applicants should be experienced in: .NET, .NET Core, C# and Azure SQL. You should have a strong grasp of object orientated (OO) development principles. Our client can provide you with industry recognized training in: .NET 10.0, ASP.NET Core, C# 14, .NET MAUI, ML.NET, Azure AI, GitHub Copilot ...

Golang Developer to take a key role in building their complex backend systems. The ideal candidate will have a strong background in Object Oriented Programming with at least 1 year commercially developing in Golang, and designing/implementing scalable, high performance services. The role will involve working closely ...

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 o f CI/CD systems, GitHub ...

existing applications. Required Skills & Experience Strong commercial experience in C#.NET development. Solid hands-on experience with WinForms and WCF . Good understanding of object-oriented design and software engineering principles. Experience working on UI/UX for desktop applications. Knowledge of multithreading, asynchronous programming, and service-oriented ...

latest .NET platform 5+ years of professional software development experience Solid experience with SQL Server, Oracle, or equivalent relational databases Strong understanding of object-oriented design principles and software architecture Experience building production-grade, scalable systems Fluency in English with excellent written and verbal communication skills High attention ...

adoption of test automation across the engineering team. Skills & Experience Commercial experience in QA automation with Java or Kotlin . Strong understanding of object-oriented programming principles. Experience testing APIs using tools such as RestAssured, Feign, Swagger, or Postman. UI automation experience with Selenium, Selenide, or Playwright . ...

Required Experience Around 3+ years of commercial software engineering experience Must come from a sports trading domain Strong Python development skills with solid object-oriented programming fundamentals Experience building or maintaining data-driven applications or pipelines Exposure to client-server system architecture Experience working with tools such ...

tools like Jupyter Notebooks and VS Code to develop AI systems. Step 4 – Python Programming Master Python, covering everything from the basics to object-oriented programming (OOP). Step 5 – Python Streamlit Project Apply your Python skills by building a car price prediction app using Python and Streamlit. ...