1 to 25 of 166 OO Jobs in London

C# Developer - Front Office / Investment bank

Hiring Organisation
Bank
Location
London Area, United Kingdom
Agile environment. Champion clean code, software craftsmanship and engineering excellence. The ideal candidate will have Strong commercial experience with C# .NET and object-oriented programming principles. Excellent understanding of software design patterns and best practices. Strong experience building service-oriented or distributed systems. Advanced MS SQL development ...

Technical Consultant - C# and VB.NET - London, UK

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
based applications, including WinForms, WPF, XAML, Windows Services, and Console Applications. Proficient in .NET Framework/.NET technologies, including Entity Framework, ADO.NET, and objectoriented programming principles. Experience in developing and maintaining enterprise applications integrated with backend infrastructure such as Active Directory, SCCM/MECM, Azure, Intune ...

Full Stack / Back End Java Developer - AI

Hiring Organisation
Harvey Nash
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£500 - £550 per day
commercial experience with Core Java and Java EE . Experience developing RESTful APIs , web services and Service-Oriented Architecture. Strong understanding of Object-Oriented Programming, Design Patterns and Application Architecture. Experience with Spring Boot , JUnit , BDD and automated testing frameworks. Strong SQL skills with database design experience. ...

Java Developer

Hiring Organisation
Matchtech Mobility
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£540 - £640 per day
Essential Skills & Experience Proven experience as a Java Developer, Backend Developer, or Full Stack Developer. Strong hands-on development experience with Java and object-oriented programming principles. Experience building applications using: Spring Boot Spring MVC RESTful APIs Microservices Strong understanding of relational databases and SQL. Experience working with ...

Senior C# Developer- - SC Cleared

Hiring Organisation
Triad
Location
London, United Kingdom
Employment Type
Permanent
Salary
£65000/annum
C# Developer or similar software development role. Proficiency in the C# programming language and the .NET Framework, including .NET Core Strong understanding of object-oriented programming principles. Experience with software development methodologies such as Agile or Scrum. Familiarity with relational databases (e.g., SQL Server, MySQL, PostgreSQL ...

Lead Software Engineer- Tax & Legal Technology -108720

Hiring Organisation
KPMG UK
Location
London, UK
solve document management, workflow automation, and knowledge management challenges. Proven Track Record: Experience leading and mentoring others Programming Skills: Have heavily used modern object-oriented languages such has C# or Java Enterprise Expertise : Expertise in software design patterns, clean code, and clean architecture principles & Knowledge ...

Lead Software Engineer- Tax & Legal Technology –108720

Hiring Organisation
KPMG UK
Location
City of London, London, United Kingdom
solve document management, workflow automation, and knowledge management challenges. Proven Track Record: Experience leading and mentoring others Programming Skills: Have heavily used modern object-oriented languages such has C# or Java Enterprise Expertise : Expertise in software design patterns, clean code, and clean architecture principles & Knowledge ...

BXTI - Liquid Credit, Full Stack Software Engineer, Associate

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Experience with RESTful API design, development, and scalable microservice architectures* Ability to develop scalable, secure, and maintainable code, with a strong background in object-oriented programming* Excellent problem-solving skills and strong communication skills* Self-starter with an entrepreneurial attitude, willing to teach and mentor others, and desire ...

BXTI - Liquid Credit, Full Stack Software Engineer, Associate

Hiring Organisation
Jobleads-UK
Location
City of Westminster, England, United Kingdom
Typescript, relational/NoSQL databases, and cloud technologies (preferably AWS). Experience designing, developing, and operating scalable microservice architectures and RESTful APIs. Strong objectoriented programming background and ability to develop secure, maintainable code. Excellent problem‐solving, communication, and teamwork skills. Self‐starter with entrepreneurial attitude, willingness ...

Senior Salesforce Developer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
platform, ideally within a consultancy or fast‐paced enterprise environment. Programming Core: Deep expertise in Apex and JavaScript (ES6+), with strong roots in ObjectOriented Programming (such as Python, Java or C#) an advantage. Front‐End & UI: Extensive hands‐on experience building modern UI components with Lightning ...

Software Engineer, Portfolio Management

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
build positive and collaborative relationships with colleagues across teams and geographies. Financial Markets experience - Equities, FX, Options, & Fixed Income trading. Technologies Exceptional object-oriented development skills (C# .Net background preferable) SQL Server and data analytical skills Thorough understanding of object orientated programming, computing fundamentals and data structures ...

Java Developer

Hiring Organisation
Randstad Technologies Recruitment
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£499 - £500/day
pipelines. What You Bring (Essential Skills) Core Experience: Proven track record as a Java Developer, Backend Engineer, or Full Stack Developer with strong Object-Oriented Programming (OOP) skills. Frameworks & Architecture: Deep hands-on experience with Spring Boot, Spring MVC, RESTful APIs , and Microservices . Database Mastery: Solid understanding ...

Senior Software Engineer, CalcGraphs - Vice President

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Spring Boot, Quarkus). Experience designing, building, and maintaining large‐scale, distributed systems. Experience with RESTful API design and implementation. Strong understanding of objectoriented programming and design patterns. Exposure to NoSQL databases (e.g., MongoDB, Cassandra) is a plus. Exposure to cloud platforms (AWS, Azure, GCP) and containerization ...

Senior Platform and Services Software Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
related technical discipline, and 3+ years of experience as a software engineer within a commercial environment. Proficiency in at least one modern objectoriented programming language (preferably Java) and willingness to learn new technologies. Proven experience developing microservices and deploying them on major cloud providers (AWS, Azure ...

Vice President, Fullstack Software Engineer (Java/React)

Hiring Organisation
Jobleads-UK
Location
City Of London, England, United Kingdom
Java and related frameworks (e.g. Spring Boot, Hibernate). Some experience in React or similar, and modern JavaScript/TypeScript. Solid experience with object oriented design and applying standard design patterns. Experience designing, building, and deploying scalable microservices using API-first principles with REST and/or gRPC. ...

Software Engineer II - Cloud Platform Engineering - Chase UK

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
develop, debug, and maintain code using modern programming languages and database querying languages. Good understanding of Java 17+ fundamentals, concurrency, memory management, and object-oriented programming paradigms with hands-on experience with Spring and server-side frameworks (e.g., Spring Boot) and good API design skills. Best understanding ...

Lead AI Software Engineer - TRP Labs London

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Computer Science or a related technical field, or equivalent practical experience.* 8+ years of progressive software engineering experience developing applications in object-oriented languages such as Java, Python, or JavaScript, including experience leading technical delivery across teams or major initiatives.* Extensive hands-on experience architecting and delivering cloud ...

Java + CloudNative

Hiring Organisation
Randstad Technologies Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£65000 - £70000/annum
Messaging: Apache Kafka, Apache Flink. APIs & Protocols: RESTful web services, gRPC, JSON, Protocol Buffers. Core Computer Science: Strong mastery of data structures, algorithms, object-oriented design, and design patterns. DevOps & Tooling: CI/CD pipelines (Jenkins, GitLab, or GitHub Actions), Docker, Git. Domain Expertise: Prior experience in Investment ...

Assistant Vice President - Software Engineer - Finance Technology

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Proficient In Python development. ETL/Data engineering experience. Desired Qualifications: A good understanding of core coding concepts like data structures, algorithms, and object-oriented programming (OOP). A grasp of modern engineering practices, DevOps principles, version control systems (e.g. Git), automated testing and exposure to Continuous Integration ...

Principal Applied Data Scientist

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
real-world problems, with a consistent track record of shipping models to production and supporting them post-deployment.* Strong Python programming skills, including object-oriented design and proficiency with key ML libraries (e.g., PyTorch, TensorFlow, Scikit-Learn).* Solid understanding of probability and statistical modeling to support robust ...

Full Stack Java Developer

Hiring Organisation
McGregor Boyall Associates Limited
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£475 - £500 per day + PAYE holiday
continuous improvement and engineering best practice What we're looking for Strong commercial Java development experience Spring Boot and REST API development Object Oriented Design and Design Patterns SQL and relational database experience Angular, TypeScript, HTML and CSS (desirable) JUnit, BDD or automated testing frameworks Linux or Unix ...

.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 ...

Assurance - Financial Services - Forensics - eDiscovery - Senior - London

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
archiving, logging, and digital vault systems, e.g., Mimecast. Data visualisation experience, for example PowerBI. Scripting language experience, particularly SQL and Python. Exposure to Object Oriented programming, particularly C#, C++ or Java. What we offer you At EY,we’ll develop you with future-focusedskills and equip you with ...

Senior Software Engineer (Back End)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
with traders, quants, and other business stakeholders.Desired* Domain experience in Credit or Fixed Income.* Expertise in modern .NET technologies and C# (Java or similar OO languages considered).* Experience implementing observability (metrics, tracing, logging) for distributed systems.* Experience with CI/CD pipelines, containerisation (Docker), and orchestration (Kubernetes/ ...