1 to 25 of 363 OO Jobs in the UK

Full Stack Software Engineer, Associate Preqin Engineering

Hiring Organisation
Hackajob Ltd
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
applications with Python and .NET, together with frontend development using modern frameworks such as React and TypeScript. Strong understanding of software engineering principles, Object-Oriented Programming (OOP) concepts, and best practices, combined with strong analytical, problem-solving, and prioritization skills. Experience designing, building, and integrating APIs using Representational ...

Python/React Developer

Hiring Organisation
Mphasis
Location
London Area, United Kingdom
Troubleshoot and resolve production issues. Required Skills Backend Strong experience with Python Experience with FastAPI , Flask , or Django REST API and Microservices development Object-Oriented Programming (OOP) SQL and database design Frontend Strong knowledge of React.js JavaScript (ES6+), TypeScript HTML5, CSS3 Redux, React Hooks Responsive UI development Databases ...

FullStack Developer

Hiring Organisation
DNS Info Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £450/day
Troubleshoot and resolve production issues. Required Skills Backend Strong experience with Python Experience with FastAPI , Flask , or Django REST API and Microservices development Object-Oriented Programming (OOP) SQL and database design Frontend Strong knowledge of React.js JavaScript (ES6+), TypeScript HTML5, CSS3 Redux, React Hooks Responsive UI development Databases ...

Systems Developer

Hiring Organisation
Massenhove Recruitment Limited
Location
London, United Kingdom
Employment Type
Full-Time
Salary
£40,000 - £55,000 per annum
related field (or equivalent practical experience) desirable Knowledge 2-4 years of professional experience developing applications in Python Strong understanding of Python fundamentals, object-oriented programming, and design patterns Experience with at least one modern Python web framework (e.g. Django, Flask, or FastAPI) Solid understanding of relational databases ...

VP, Full-Stack Software Engineer (Java)

Hiring Organisation
Hackajob Ltd
Location
London, United Kingdom
Employment Type
Permanent
related frameworks (e.g.Spring Boot, Hibernate). Some experience in React or similar, and modern JavaScript/TypeScript an advantage. 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/orgRPC. A strong ...

Mid-Senior Software Developer (.NET / Python)

Hiring Organisation
Computer Futures
Location
Midlands, United Kingdom
Employment Type
Permanent
Salary
£65,000
C# and .NET Commercial Python development experience Experience building REST APIs and service-oriented architectures Strong understanding of software design principles and object-oriented programming Experience working with PostgreSQL, SQL Server or other relational databases Knowledge of database design, optimisation and query development Experience integrating software systems ...

Mid-Senior Software Developer (.NET / Python)

Hiring Organisation
Computer Futures
Location
United Kingdom
Employment Type
Permanent
Salary
GBP 55,000 - 65,000 Annual
C# and .NET Commercial Python development experience Experience building REST APIs and service-oriented architectures Strong understanding of software design principles and object-oriented programming Experience working with PostgreSQL, SQL Server or other relational databases Knowledge of database design, optimisation and query development Experience integrating software systems ...

Lead Software Engineer - (Core Java with C#/WPF skills), Equities Derivatives Front Office Flow Technology

Location
Greater London, England, United Kingdom
members of the team. Required qualifications, capabilities, and skills Formal training or certification on software engineering concepts and advanced applied experience in Java Strong OO design skills with good knowledge of object modelling and design patterns. Experience with development, deployment and maintenance of commercial service oriented application ...

Senior Python Developer/ Engineer

Location
City of Westminster, England, United Kingdom
Docker and AWS ECS/Fargate. Experience integrating with third‐party APIs, enterprise platforms, and external services. Strong understanding of software design patterns, objectoriented programming principles, clean code practices, and distributed system design. Experience implementing API security using OAuth2, JWT, OpenID Connect, API Keys, and secure authentication ...

Full Stack Developer

Hiring Organisation
Corus Consultancy
Location
Crawley, West Sussex, United Kingdom
Employment Type
Permanent
Salary
£50000 - £60000/annum
React and Next.js, or strong React experience with the willingness to develop your Next.js skills. Good practical experience with C# and .NET, including object-oriented design and web API development. Experience working with relational databases and data access technologies such as Entity Framework Core. Experience developing or supporting ...

Senior Software Engineer - (Permanent or Fixed-Term Contract)

Location
Woking, England, United Kingdom
.NET, with working knowledge of Python and TypeScript. Experience delivering software solutions using agile methodologies and software engineering best practices. Strong understanding of object-oriented design and software engineering principles, including SOLID principles, with the ability to develop maintainable and scalable solutions. Proven ability to analyse complex technical ...

Lead Software Engineer - Java, AWS

Location
Glasgow, Scotland, United Kingdom
deliverables to meet business objectives Communicate progress and challenges effectively to leadership Job Qualifications, Capabilities, and Skills: Demonstrate proficiency in Java and object-oriented programming Apply strong problem-solving and analytical skills Utilize experience with software architecture and design patterns Work effectively in agile development environments Communicate clearly ...

Senior Full Stack Software Engineer

Location
East Hagbourne, England, United Kingdom
developing software for mission-critical applications in the space domain or adjacent industries. 5+ years of full stack development experience. 5+ years of object-oriented programming experience (preferably in Java, Python, or C++). 5+ years of experience developing frontend applications with modern frameworks (preferably React). ...

Senior Software Engineer

Hiring Organisation
Capgemini
Location
Greater London, United Kingdom
Employment Type
Full Time
customer value. Must-Have Skills Extensive hands-on experience delivering enterprise-scale backend application solutions. Strong expertise in Java/J2EE development, object-oriented design principles, and enterprise application architecture. Proven experience designing and building RESTful services and microservices-based solutions. Strong experience with Java 17, Spring Boot ...

BXTI - Liquid Credit, Full Stack Software Engineer, Associate

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 ...

Senior Software Engineer, Web Development – AI

Location
Manchester, England, United Kingdom
GCP. Experience of building large scale and low latency distributed systems. Solid understanding of algorithms, data structures, performance optimisation techniques, object-oriented programming. Experience using modern AI-assisted and agentic development workflows in day-to-day engineering usingAI/ML APIs and SDKs Hands-on experience developing ...

Senior Software Engineer (Frontend)

Hiring Organisation
VANRATH
Location
United Kingdom
Salary
70000.0
closely with Development, QA, and Project Management teams to deliver high-quality outcomes Skills & Experience Essential Criteria Extensive commercial experience developing complex, maintainable object-oriented applications in C# Strong experience with .NET Framework and MVC, with newer projects using .NET 10 and React Proven experience building and integrating ...

Quality Engineering (QE) Architect/Lead

Hiring Organisation
Initialize IT
Location
York, Yorkshire, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
across all delivery teams. Required Technical Expertise Programming Languages Deep hands-on expertise in: TypeScript, JavaScript, C# Python, PyTest, SQL Strong understanding of: Object-oriented programming API development and testing Data engineering concepts Cloud-native architectures Microservices architectures Automation & Testing Tools UI Automation Playwright, BrowserStack, Applitools Cucumber/ ...

Lead Software Engineer - GLCM Postings

Location
Bournemouth, Hampshire, United Kingdom
automation. Required qualifications, capabilities, and skills Formal training or certification on Software Engineering concepts and applied experience Extensive experience in Java and object-oriented programming Proven leadership in Kubernetes and cloud-native application development Deep expertise in MongoDB, including change streams and schema design Strong background in RESTful ...

Senior Applied Data Scientist

Location
Greater London, England, United Kingdom
models and solutions to production. Strong statistical analysis skills, with a foundation in probability, to support robust model development and interpretation. Proficiency in Object-Oriented programming in Python with expertise in key data science and machine learning libraries (e.g. TensorFlow, PyTorch and Scikit-Learn). Expertise in cloud ...

Senior Salesforce Developer

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 ...

Senior Platform Engineer

Location
Reigate, England, United Kingdom
requirements analysis, estimation, architecture/design, implementation, unit and system testing, deployment, operations, monitoring and incident management. Software engineering fundamentals Strong grounding in object oriented design, design patterns, SOLID principles, clean code practices, code review, documentation and Agile delivery. Core technical stack Hands‐on experience with C# ...

Engineering Team Lead (Belfast, hybrid)

Hiring Organisation
Ocho
Location
United Kingdom
Salary
85000.0
event-driven, or cloud-native systems Practical experience with CI/CD pipelines and source control (e.g. Git, GitLab, or similar) Solid understanding of OO design principles and automated testing across unit, integration, and end-to-end levels Experience working with cloud platforms such as AWS, Azure, or GCP Strong ...

Engineering Team Lead (Belfast, hybrid)

Hiring Organisation
Ocho
Location
newtownabbey, antrim, united kingdom
event-driven, or cloud-native systems Practical experience with CI/CD pipelines and source control (e.g. Git, GitLab, or similar) Solid understanding of OO design principles and automated testing across unit, integration, and end-to-end levels Experience working with cloud platforms such as AWS, Azure, or GCP Strong ...

Front Office Software Engineer

Location
Glasgow, Scotland, United Kingdom
backend engineering skills, ideally with Java, Spring Boot, and Python Experience working with modern software engineering practices and distributed systems Solid understanding of object-oriented programming, software design principles, and system architecture Experience working with SQL and relational databases Strong communication skills with the ability to engage effectively ...