1 to 25 of 117 OO Jobs in London

Systems Developer

Hiring Organisation
Massenhove Recruitment Limited
Location
City of London, London, England, 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 ...

C# Developer - Front Office Investment bank

Hiring Organisation
Meraki Talent Limited
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£650 - £850 per day, Negotiable
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 ...

Senior Software Engineer - Tax Technology

Hiring Organisation
KPMG
Location
London, UK
Employment Type
Full-time
over time. You will have ... Deep Technical Expertise: Hands on experience designing, specifying and developing software. Programming Skills: Have heavily used modern object-oriented languages such as C# or Java. Enterprise Expertise: Know how to build REST APIs and have experience of messaging. Data Modelling: Have worked ...

Lead Software Engineer- Tax & Legal Technology -108720

Hiring Organisation
KPMG UK
Location
City of London, Greater 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 ...

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 ...

Staff Software Engineer

Hiring Organisation
BP
Location
London, UK
Employment Type
Full-time
architecture and designPostgreSQL — query optimisation, indexing, schema design, and stored proceduresRelational data modelling and database designUnit testing, integration testing, and TDD (JUnit, Mockito)Object-oriented design and SOLID principlesCloud & InfrastructureAWS cloud services — EC2, ECS/EKS, RDS, S3, Lambda, IAMKubernetes and container orchestration (Docker, Helm)CI/ ...

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 Development Engineer in Test (SDET)

Hiring Organisation
Capco
Location
London, UK
Employment Type
Full-time
responsible use of approved AI tools and automation to improve collaboration and engineering outcomes.What We're Looking ForStrong knowledge of at least one object-oriented programming language, such as Java, Scala, or JavaScript.Experience designing and building test automation frameworks using tools such as Selenium, Cypress, Playwright, or equivalent ...

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 ...

.NET Developer (Mid Level)

Hiring Organisation
Avanti
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£45,000 - £50,000 per annum
will ideally have: Commercial experience within a .NET development role Strong backend development capability Experience working with SQL databases Good understanding of object-oriented programming Strong problem-solving skills Excellent communication and collaboration skills A proactive and detail-oriented approach Candidates with experience across both legacy ...

Senior Engineer - Payments

Hiring Organisation
ebury
Location
London, UK
Employment Type
Full-time
Strong understanding of system architecture, API design, scalable service integration, Linux systems, and Git version control.Core Soft Skills:Strong knowledge of basic algorithms, object-oriented/functional design principles, and best-practice patterns.Excellent communication and collaboration skills in English for seamless international teamwork.A relevant educational background (Bachelor ...

.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 ...

Software Engineer

Hiring Organisation
Edenred
Location
London, UK
Employment Type
Full-time
specification.Core Technical SkillsExperience with Java 8+ and SQL.Familiarity with Spring Boot, Hibernate, and microservices architecture.Working knowledge of RESTful API development and object-oriented design.Basic understanding of Test-Driven Development (TDD), Agile methodologies, and DevOps culture.Comfortable with front-end technologies such as HTML, CSS, and JavaScript.Desirable SkillsAwareness of clean ...

Junior Software Developer - Trading

Hiring Organisation
Spectrum It Recruitment Limited
Location
London, United Kingdom
Employment Type
Permanent
Salary
£80,000
least a 2:1 in STEM subject Commercial experience developing with C#. Good understanding of .NET/.NET Core. Strong understanding of object-oriented programming and software development principles. Knowledge of SQL and relational databases. Strong problem-solving and analytical skills. A genuine interest in developing high-quality ...

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 ...

Senior & Principal Java Camunda Enigneers

Hiring Organisation
Casci
Location
South East London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£75,000
where applicable Contribute to Cascis internal best-practice frameworks and automation accelerators Essential Skills and Experience Strong experience in Java software engineering and object-oriented design Hands-on experience implementing solutions using Camunda 7 or 8 (BPMN/DMN) Proven experience leading and mentoring teams of engineers ...

Software Engineer Java Kafka API

Hiring Organisation
Client Server
Location
London, UK
Employment Type
Full-time
knowledge of REST APIsYou have a good understanding of AWSYou have a thorough understanding of software development and Computer Science fundamentals such as Object Oriented Programming, Data Structures and Design PatternsYou are familiar with DevOps, CI/CD pipelinesYou're collaborative, enjoy problem solving and interacting with clients ...

.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 ...

Principal Software Engineer Java Spring Boot AWS

Hiring Organisation
Client Server
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
REST APIs You have a good understanding of AWS You have a thorough understanding of software development and Computer Science fundamentals such as Object Oriented Programming, Data Structures and Design Patterns You are familiar with DevOps, CI/CD pipelines You're collaborative, enjoy problem solving and interacting ...

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 ...

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 Engineer - Buy-Side

Hiring Organisation
Bloomberg
Location
London, UK
Employment Type
Full-time
need to have: BA, BS, MS, PhD in Computer Science, Engineering or related technology field 'or equivalent practical experience Strong foundation in object-oriented design, data structures, and algorithms.4+ Years of experience in C++, Java or Python with the ability to write clean, efficient, and maintainable code.Familiarity with ...

Forward Deployed Engineer - Defence

Hiring Organisation
C3 IoT
Location
London, UK
Employment Type
Full-time
Bachelor's degree in Science, Technology, Engineering, or Mathematics (STEM), or a comparable area of study.5+ years of professional software development experience with object-oriented programming languages.Strong verbal and written communication skills; ability to work effectively on a cross-functional team.Analytical, problem-solving abilities, organizational skills and attention ...