1 to 25 of 52 OO Jobs in London

Senior Java full stack developer / Tech Lead

Hiring Organisation
E-Solutions IT Services UK Ltd
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£70,000 - £80,000 per annum
design and integration. Familiarity with databases such as MySQL, PostgreSQL, or MongoDB. Experience with version control systems like Git. Strong understanding of object-oriented programming and design patterns. Knowledge of containerization tools (Docker) and cloud platforms (AWS/Azure/GCP) is a plus. Experience with CI/ ...

Senior Software Engineer

Hiring Organisation
Retelligence
Location
City of London, London, United Kingdom
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 ...

Managing Consultant - Endur Technical

Hiring Organisation
capSpire
Location
City of London, London, United Kingdom
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 ...

.NET Developer

Hiring Organisation
Noir
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £80,000 per annum
.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 ...

.NET Developer

Hiring Organisation
Noir
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£40,000 - £50,000 per annum
encompasses: .NET, .NET Core, C# and Azure SQL. We are keen to hear from .NET Developer candidates with a strong understanding object orientated (OO) development and the full software development life cycle. This is a rare opportunity to join a truly exciting global brand. Our client offers over ...

.NET Developer

Hiring Organisation
Noir
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 - £100,000 per annum
.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, C# 14, Azure DevOps, Agile, Blazor, JavaScript, React, Multithreading, RESTful, ML.NET ...

Senior Java Developer - Electronic Trading

Hiring Organisation
McGregor Boyall Associates Limited
Location
London, United Kingdom
Employment Type
Contract
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 ...

Dynamics 365 Development Manager

Hiring Organisation
HirexHire
Location
City of London, London, United Kingdom
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. ...

.NET Developer

Hiring Organisation
Noir
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £90,000 per annum
projects which will be critical to the future success of the business. .NET Developer candidates should have a sound understanding of object orientated (OO) development and a skill that that includes: .NET 10.0, C# 14, Azure DevOps, Agile, Blazor, JavaScript, React, Multithreading, RESTful, ML.NET, Azure AI and MongoDB. This ...

Junior .NET Developer

Hiring Organisation
Noir
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£25,000 - £35,000 per annum
which will be critical to the future success of the business. Junior .NET Developer candidates should have a sound understanding of object orientated (OO) development and a skill that that includes some of the following (full training will be provided to fill any gaps in your skill set): .NET ...

Senior Software Developer

Hiring Organisation
Spectrum It Recruitment Limited
Location
London, United Kingdom
Employment Type
Permanent
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 ...

Backend Developer

Hiring Organisation
Stott & May Professional Search Limited
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £552 per day
Proven experience with Spring Framework (Spring Boot, Spring MVC, Spring Core) Hands-on experience building backend services, APIs, and microservices Solid understanding of object-oriented design, design patterns, and clean code principles Experience working within Agile/Scrum environments Strong problem-solving and debugging skills Ability to work ...

Solutions Engineer

Hiring Organisation
HireCapital
Location
City of London, London, United Kingdom
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 ...

C# Developer - Front Office Engineering | Hedge Fund - London

Hiring Organisation
Undisclosed
Location
City of London, London, United Kingdom
.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 ...

Software Development Engineer In Test

Hiring Organisation
Response Informatics
Location
London, United Kingdom
Employment Type
Permanent
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 ...

C# Developer - Top Market Maker - London

Hiring Organisation
Radley James
Location
City of London, London, United Kingdom
.NET development Bachelor’s degree (or higher) in Computer Science or a closely related technical field Strong understanding of software engineering fundamentals and object-oriented design Experience building server-side or distributed systems in a production environment Interest in financial markets, trading systems, or quantitative environments Strong problem ...

Graduate Software Engineer

Hiring Organisation
Spectrum It Recruitment Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£50,000
systems and processes About You Strong academic background (Computer Science or similar preferred) - Ideally from Russell Group University Experience with Python or another object-oriented language Good Linux/UNIX knowledge and interest in infrastructure Curious, proactive, and a strong problem solver Able to work both independently ...

Graduate Software Engineer

Hiring Organisation
Spectrum IT Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£45,000 - £50,000 per annum
systems and processes About You Strong academic background (Computer Science or similar preferred) - Ideally from Russell Group University Experience with Python or another object-oriented language Good Linux/UNIX knowledge and interest in infrastructure Curious, proactive, and a strong problem solver Able to work both independently ...

Quant Developer OTC Pricing

Hiring Organisation
James Joseph Associates Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
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 ...

Quality Assurance Engineer

Hiring Organisation
Harnham
Location
London Area, United Kingdom
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 . ...

Business Analyst - Client Support

Hiring Organisation
Orchestrade
Location
London, England, United Kingdom
Requirements: BS/MS degree in Financial Engineering, or equivalent. One to three years of professional experience in the financial industry. Experience in Object-Oriented Programming. C#/C/C++ is preferred, but knowledge of other languages will also be advantageous. Knowledge of application functionality and data ...

Junior AI Developer

Hiring Organisation
ITOL Recruit
Location
East London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£30,000 - £45,000 per annum
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. ...

Junior AI Developer

Hiring Organisation
ITOL Recruit
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£30,000 - £45,000 per annum
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. ...

Junior AI Developer

Hiring Organisation
ITOL Recruit
Location
North West London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£30,000 - £45,000 per annum
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. ...

Junior AI Developer

Hiring Organisation
ITOL Recruit
Location
Uxbridge, Middlesex, England, United Kingdom
Employment Type
Full-Time
Salary
£30,000 - £45,000 per annum
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. ...