26 to 50 of 58 OO Jobs in London

Senior Software Development Engineer in Test (C#/ Playwright)

Hiring Organisation
Gentrack Ltd (Global)
Location
London, England, United Kingdom
Bring~ 5+ years of hands-on experience in test automation with strong proficiency in C#/.NET and solid understanding of object-oriented Practical experience with Playwright, or equivalent modern UI automation frameworks, with the ability to quickly adapt to our existing Playwright/.NET stack. Proven ability ...

.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 Full Stack Engineer - Fixed Income Tech (Manchester based) VP

Hiring Organisation
Citi
Location
London, England, United Kingdom
here is the opportunity. What You Will Bring Full-stack engineer with experience in designing and developing robust, scalable, and maintainable applications applying Object Oriented Design principles Knowledge and experience of Java development using Java, Java 8+ (or later), and relevant Java frameworks such as Spring Boot, Spring ...

Java Software Engineer : Global Bank : £150k + bonus : Hybrid

Hiring Organisation
Hunter Bond
Location
London Area, United Kingdom
years of professional software engineering experience Strong computer science fundamentals — algorithms, data structures, system design Proficiency in Java (Java 11+), including concurrency and object-oriented design Experience building data-intensive systems or service-oriented platforms Comfortable working with distributed teams and collaborating across engineering and business functions ...

Senior Java Engineer Kubernetes, Kafka, Docker - Hybrid

Hiring Organisation
Salt Search
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£550 - £750 per day
Strong systems development experience at all stages of systems development covering design, development, testing, live implementation and post implementation support. Strong hands-on Object-Oriented Design skills Strong core Java programming skills Experience of developing services/micro-services in Java Experience of developing containerised services using Docker ...

Senior Python Developer (Fast API)

Hiring Organisation
Insight Global
Location
London Area, United Kingdom
performance and security. Optimize applications for maximum speed and scalability. Must Have Requirements Include: Extensive experience with backend Python development Solid understanding of object-oriented programming and software design principles Hands-on experience with API development (REST/GraphQL) Proficient with FastAPI Experience working in an Azure cloud ...

Salesforce Developer (Mid Level)

Hiring Organisation
Alcumus
Location
Morden, Greater London, UK
plus Experience working with Account Engagement (Pardot) and/or Marketing Cloud, particularly in the areas of automation and customer engagement Understanding of object-oriented design principles and enterprise architecture standards Comfortable working in environments with high security, compliance, or regulatory requirements Excellent communication and collaboration skills, with ...

Global Rates - Automated Trading Strategies - Fixed Income Financing - Analyst or Associate

Hiring Organisation
JPMorganChase
Location
London, UK
Employment Type
Full-time
mathematics, physics, engineering, or other quantitative fields Relevant full-time experience in a related area Demonstrated programming skills in C++, Java, or other object-oriented languages Good knowledge of statistics and machine learning Attention to detail, adaptability, drive, and collaborative approach Demonstrated interest in markets and systematic trading ...

Data Scientist (Mid - Senior Level)

Hiring Organisation
Utility Warehouse Limited
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
value modelling. A deep understanding of machine learning theory and practical application (e.g., regression, classification, clustering, time-series forecasting, survival analysis). Solid object-oriented programming skills in Python and hands-on expertise with the core data science stack (Pandas, Numpy, Scikit-learn, XGBoost/LightGBM). ...

Solution Architect EMEA

Hiring Organisation
Docebo
Location
London, England, United Kingdom
post-sales role Fluent English Good working knowledge of HTML, CSS, and JavaScript Ability to code in at least one object-oriented language (PHP, Python) Strong knowledge of industry standards such as REST, OAuth 2.0, and SAML 2.0 Strong knowledge of enterprise technologies and systems such as LDAP ...

Senior Software Engineer - Data Infrastructure

Hiring Organisation
Woven by Toyota
Location
London, England, United Kingdom
their day to day work Design the long term strategy for several of our products Minimum Qualifications: Extensive experience in Python (or other Object Oriented language). Experience building reliable, distributed applications for Data Processing or similar areas. Working with RPC protocols such as gRPC/protobuf. Hands ...

Python Developer

Hiring Organisation
Hydrogen Group
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 65,000 - 75,000 Annual
Opensearch, PostgreSQL, Kubernetes, Helm, Terraform, GitHub. Candidate Requirements Strong experience developing Back End systems using Python (any framework). Solid understanding of databases, OO design, data structures, and SOLID principles. Strong analytical and problem-solving skills, with a continuous improvement mindset. Ability to work collaboratively within both engineering and business ...

PHP Developer

Hiring Organisation
ADLIB
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£40,000 - £50,000 per annum
decisions and architecture Key Requirements: Strong experience with PHP (ideally with knowledge of modern frameworks like Laravel, Symfony, or Yii) Solid understanding of object-oriented programming (OOP) in PHP PHP package management (e.g., Composer) Proficiency in modern HTML/CSS Good working knowledge of JavaScript (vanilla JS, jQuery ...

Principal Software Engineer - Metadata

Hiring Organisation
Snowflake
Location
London, UK
make the right choices and guide teams Systems programming skills including multi-threading, concurrency, caching, etc. Fluency in Java or other similar procedural object-oriented language is preferred. Track record of identifying and implementing creative solutions to complex problems. Knowledge of database internals is a big plus. Ability ...

Software Engineer

Hiring Organisation
Adecco
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£256 - £285/day
effectively. What We're Looking For: Technical Experience: Proficiency in cloud computing (preferably AWS) and software development, with strong programming skills in modern object-oriented languages, especially Python. Experience in frontend development (React + Javascript/Typescript) is highly desirable. Stakeholder Management: Ability to engage and collaborate effectively ...

Software Engineer

Hiring Organisation
Adecco
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£256 - £285 per day
effectively. What We're Looking For: Technical Experience: Proficiency in cloud computing (preferably AWS) and software development, with strong programming skills in modern object-oriented languages, especially Python. Experience in frontend development (React + Javascript/Typescript) is highly desirable. Stakeholder Management: Ability to engage and collaborate effectively ...

Machine Learning Engineer

Hiring Organisation
Amazon
Location
City of London, London, United Kingdom
Employment Type
Permanent
development Experience in professional, non-internship software development Experience programming with at least one modern language such as Java, C++, or C# including object-oriented design Preferred Experience Bachelor's degree in computer science or equivalent Experience with full software development life cycle, including coding standards, code reviews ...

iOS Engineer

Hiring Organisation
SoundCloud
Location
London, England, United Kingdom
engineering best practices to ensure maintainable, scalable mobile development. Background & Experience Professional experience building iOS applications using Swift, with strong knowledge of object-oriented programming, SwiftUI Comfortable working in and improving large, existing codebases, including refactoring Objective-C and maintaining clean, maintainable code Eager to learn new technologies ...

Intermediate iOS Developer

Hiring Organisation
Global Relay
Location
London, UK
Employment Type
Full-time
devices with Swift Excellent problem solving skills and a love for technical challenges Understanding of the principles of computer science Solid understanding of Object Oriented application design and development, Cocoa Touch design patterns, algorithm design Strong architectural knowledge (eg MVVM,SOLID principles, TCA, reactive programming) and passionate about ...

Contract Algo Trading Java Developer - eTrading, low latency, Java APIs, Multithreading, FIX

Hiring Organisation
Scope AT Limited
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
experience with design patterns (Observer, Factory, Singleton etc.) Development practices - Must be able to use test driven development and be familiar with UML and OO design. Understanding of benchmark algo and/or smart routing strategies (VWAP, TWAP, Arrival Price etc.) Demonstrable experience of Front Office system design and architecture ...

Full Stack Developer

Hiring Organisation
Tab
Location
Greater London, England, United Kingdom
Full Stack Developer to join our growing team who: Has at least 4 years of full-stack experience building webapps with any OO language and modern tech-stack Can contribute across the whole stack and is comfortable using multiple programming languages and frameworks, applying the right tool ...

Senior Software Development Engineer - Services

Hiring Organisation
Capital One
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
engineering and a track record of delivering solutions in an efficient and maintainable manner Exceptional programming skills and knowledge of building APIs using modern OO languages preferably Java, SOLID principles, SOA, HTTP and REST Demonstrable knowledge of creating architectural designs that meet the business need Proven experience in technical leadership ...

Node Technical Lead

Hiring Organisation
IO Associates
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £450 per day
supporting cloud infrastructure (inc. pipelines). Excellent, in-depth understanding of BDD, TDD and SOLID principles. In-depth experience in rock-solid Object-Oriented programming, enterprise integration skills and microservice architecture skills Experienced enough to be able to size up/estimate work and help others ...

Software Engineer - London - Up to £140,000 Starting Base + Exceptional Bonuses/Benefits

Hiring Organisation
Hunter Bond
Location
London Area, United Kingdom
conditions Driving innovation by exploring new technologies, machine learning and cutting edge tools to advance competitive edge Who You Are: Strong proficiency in any OO language (they are agnostic) - (low-latency or systems-level experience preferred) Deep understanding of data structures, algorithms, and computer architecture Proven ability to tackle complex ...