1 to 25 of 259 OO Jobs in the UK

Senior C# .Net Developer

Hiring Organisation
ARM
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500/day Umbrella Inside IR35
6+ ASP.NET Core/Web API REST APIs and microservices SQL Server, including complex queries, stored procedures and optimisation Entity Framework/ORM Object-oriented design and design patterns Distributed systems and enterprise integration Unit and automated testing Azure DevOps, Git and CI/CD Agile/Scrum ...

Senior C# .Net Developer

Hiring Organisation
Advanced Resource Managers Limited
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£500.00 per day
6+ ASP.NET Core/Web API REST APIs and microservices SQL Server, including complex queries, stored procedures and optimisation Entity Framework/ORM Object-oriented design and design patterns Distributed systems and enterprise integration Unit and automated testing Azure DevOps, Git and CI/CD Agile/Scrum ...

Senior Java Fullstack Developer

Hiring Organisation
Avanti
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £75,000 per annum
ability to write and troubleshoot SQL queries. Experience with Docker/Kubernetes or OpenShift Strong knowledge of software engineering principles, design patterns and object-oriented programming. Experience developing and maintaining complex enterprise applications. Familiarity with Git, testing, debugging and modern software development practices. Strong analytical and problem-solving ...

Senior Java Developer

Hiring Organisation
Avanti Recruitment
Location
EC1, Farringdon, Greater London, United Kingdom
Employment Type
Permanent
Salary
£65000 - £75000/annum
commercial frontend development experience using Angular, React or Vue.js. Good understanding of relational databases, including writing and troubleshooting SQL queries. Strong understanding of object-oriented programming, software engineering principles and design patterns. Experience developing and maintaining complex enterprise applications. Familiarity with Git, testing, debugging and modern software development ...

Senior Java / Angular Developer

Hiring Organisation
Avanti
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £75,000 per annum
ability to write and troubleshoot SQL queries. Experience with Docker/Kubernetes or OpenShift Strong knowledge of software engineering principles, design patterns and object-oriented programming. Experience developing and maintaining complex enterprise applications. Familiarity with Git, testing, debugging and modern software development practices. Strong analytical and problem-solving ...

Senior Fullstack Java Developer

Hiring Organisation
Avanti Recruitment
Location
EC1, Farringdon, Greater London, United Kingdom
Employment Type
Permanent
Salary
£65000 - £75000/annum
commercial frontend development experience using Angular, React or Vue.js. Good understanding of relational databases, including writing and troubleshooting SQL queries. Strong understanding of object-oriented programming, software engineering principles and design patterns. Experience developing and maintaining complex enterprise applications. Familiarity with Git, testing, debugging and modern software development ...

Senior Fullstack Developer

Hiring Organisation
Avanti
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£65,000 - £75,000 per annum
commercial frontend development experience using Angular, React or Vue.js. Good understanding of relational databases, including writing and troubleshooting SQL queries. Strong understanding of object-oriented programming, software engineering principles and design patterns. Experience developing and maintaining complex enterprise applications. Familiarity with Git, testing, debugging and modern software development ...

Sr. Full Stack Developer (Java, React & Python)

Hiring Organisation
Broadridge
Location
London, UK
Employment Type
Full-time
Proven track record in developing base frameworks, reusable programs and defining standards. Knowledge of cloud platforms AWS and containerization technologies. Strong understanding of object-oriented programming principles and design patterns. Proficiency in database design and SQ and NoSQL databases like Redis, DynamoDB.Good understanding of the Agile methodologies ...

Senior Software Engineer II -Java

Hiring Organisation
LexisNexis Risk Solutions Group
Location
London, UK
Employment Type
Full-time
troubleshoot complex production and customer issues. Mentor and guide junior engineers, fostering a culture of collaboration and continuous learning. RequirementsStrong foundation in object-oriented design, development, and standard design patterns. Expert-level development experience using Java, Spring Boot and Web Services. Strong understanding of REST APIs, Spring Boot ...

Graduate Software Engineering Programme April 2027

Hiring Organisation
Capgemini
Location
Telford and Wrekin, United Kingdom
Employment Type
Full Time
Salary
35000 GBP Annually
Engineer: Degree in Computer Science or related a STEM discipline Proficiency in one or more programming languages (Java, Python, C++, JavaScript) Understanding of object-oriented programming (OOP) principles Experience with modern frameworks (e.g. React, Angular, Spring Boot, Django) Knowledge of full-stack development concepts (e.g. MEAN/MERN ...

Senior Platform Engineer

Hiring Organisation
WTW
Location
Reigate, Surrey, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
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# ...

QE AI Engineer (Python)

Hiring Organisation
NTT DATA
Location
London, UK
Employment Type
Full-time
with web, API, and non-functional testing approaches Experience using CI/CD pipelines to integrate and run automated tests Good understanding of object-oriented programming principles and modern engineering practices Experience working with Git-based source control and collaborative development workflows Strong problem-solving and analytical skills ...

Senior Software Engineer, Web Development - AI

Hiring Organisation
Roku
Location
Manchester, UK
Employment Type
Full-time
such as AWS and 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 using AI/ML APIs and SDKsHands ...

Lead Software Engineer

Hiring Organisation
Hackajob Ltd
Location
Bristol, Avon, South West, United Kingdom
Employment Type
Permanent, Part Time, Work From Home
Salary
£90,000
team of language agnostic engineers, which you might already consider yourself to be, who are versed in a mix of paradigms such as object oriented, functional, declarative, event-based and aspect-oriented. To create this environment our Senior Engineers need to embrace sharing their knowledge and skills with ...

Full Stack Software Engineer

Hiring Organisation
Sartorius
Location
Royston, Hertfordshire, UK
Employment Type
Full-time
delivering commercial software products in production environments· Strong software engineering skills with proven proficiency in JavaScript/TypeScript and C#· Solid knowledge of object-oriented software design principles and modern software development practices· Experience across multiple stages of the software development lifecycle, from requirements definition through testing ...

Senior Software Engineer

Hiring Organisation
Spectrum IT Recruitment
Location
Fareham, Hampshire, United Kingdom
Employment Type
Permanent
Salary
£60000 - £70000/annum plus benefits
Golang) OR PHP. For Go developers: experience with concurrency, HTTP services and/or gRPC. For PHP developers: strong PHP 8, object-oriented programming, Composer and PHPUnit experience. Strong SQL skills and experience with MySQL or similar relational databases. Experience designing, developing and integrating REST APIs, gRPC services ...

Senior Software Engineer

Location
United Kingdom
Golang) OR PHP. For Go developers: experience with concurrency, HTTP services and/or gRPC. For PHP developers: strong PHP 8, object-oriented programming, Composer and PHPUnit experience. Strong SQL skills and experience with MySQL or similar relational databases. Experience designing, developing and integrating REST APIs, gRPC services ...

Software Engineer

Hiring Organisation
Kensington Mortgage Company
Location
Marlow, Buckinghamshire, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
delivery partners. What we’re looking for You’ll have strong commercial software engineering experience, including: C# and modern .NET , including ASP.NET Core Object-oriented development, SOLID principles and dependency injection Designing, building and consuming REST APIs , including OpenAPI Microsoft Azure , particularly PaaS and serverless services Relational databases ...

Senior Software Engineer .Net

Hiring Organisation
Microlise
Location
Nottingham, Nottinghamshire, East Midlands, United Kingdom
Employment Type
Permanent
Salary
£45,000
with at least two years experience working with TypeScript, Angular and SCSS/SASS to build responsive, user-focused applications. Strong understanding of object-oriented programming concepts including encapsulation, inheritance, polymorphism, and abstraction. This should extend to a clear understanding of SOLID principles and the ability to apply ...

Senior Software Engineer

Hiring Organisation
Microlise
Location
Nottingham, Nottinghamshire, East Midlands, United Kingdom
Employment Type
Permanent
Salary
£45,000
with at least two years experience working with TypeScript, Angular and SCSS/SASS to build responsive, user-focused applications. Strong understanding of object-oriented programming concepts including encapsulation, inheritance, polymorphism, and abstraction. This should extend to a clear understanding of SOLID principles and the ability to apply ...

Senior Software Engineer, Java

Hiring Organisation
Roku
Location
Manchester, UK
Employment Type
Full-time
communication skillsWe're excited if you have5+ years of experience in delivery multi-tier, highly scalable, distributed web applicationDeep understanding in software architecture, object-oriented design principles, and data structuresExtensive experience in developing microservices using Java, PythonGood experience in Test driven development and automating test cases using Java ...

Lead Software Engineer Product Lead Technologist Business

Hiring Organisation
Anson Mccade
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
solve document management, workflow automation and knowledge management problems A track record of leading and mentoring engineers Strong experience in a modern object-oriented language (C# or Java) Deep knowledge of software design patterns, clean code and clean architecture Experience building REST APIs and working with messaging systems ...

Lead Software Engineer Product Lead Technologist Business

Location
United Kingdom
solve document management, workflow automation and knowledge management problems A track record of leading and mentoring engineers Strong experience in a modern object-oriented language (C# or Java) Deep knowledge of software design patterns, clean code and clean architecture Experience building REST APIs and working with messaging systems ...

Senior Software Engineer, AWS

Hiring Organisation
Microlise
Location
Nottingham, Nottinghamshire, East Midlands, United Kingdom
Employment Type
Permanent
Salary
£45,000
resilience principles within AWS. Knowledge of Infrastructure as Code (IaC) tools such as Terraform or AWS CloudFormation would be advantageous. Knowledge of object-oriented programming concepts, including polymorphism, inheritance and SOLID principles. Experience working with Microsoft SQL Server and relational databases. Understanding of modern software architecture, including Microservices. ...

Senior Software Engineer, AWS

Location
United Kingdom
resilience principles within AWS. Knowledge of Infrastructure as Code (IaC) tools such as Terraform or AWS CloudFormation would be advantageous. Knowledge of object-oriented programming concepts, including polymorphism, inheritance and SOLID principles. Experience working with Microsoft SQL Server and relational databases. Understanding of modern software architecture, including Microservices. ...