16 to 40 of 216 OOP Jobs in London

Senior Software Developer

Hiring Organisation
Spectrum IT Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£120000 - £140000/annum
across the team What We're Looking For 5+ years' commercial software development experience Strong C# and modern .NET development experience Excellent knowledge of OOP, software design principles and architecture Experience designing and building production-grade, scalable applications Strong SQL experience with SQL Server, Oracle or another relational database Experience ...

Senior Python Developer/ Engineer

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

Java Developer

Hiring Organisation
CBSbutler Holdings Limited trading as CBSbutler
Location
Croydon, London, United Kingdom
Employment Type
Contract
Contract Rate
£515/day inside ir35
Spring Framework experience, particularly Spring Boot Experience developing REST APIs and microservices Good knowledge of SQL and relational databases Experience with Git Understanding of OOP principles and design patterns Experience with Maven or Gradle Strong problem-solving and analytical skills Desirable experience AWS, Azure or GCP Docker and Kubernetes ...

Java Developer - Remote

Hiring Organisation
CBSbutler Holdings Limited trading as CBSbutler
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£475 - £525/day
Spring Framework experience, particularly Spring Boot Experience developing REST APIs and microservices Good knowledge of SQL and relational databases Experience with Git Understanding of OOP principles and design patterns Experience with Maven or Gradle Strong problem-solving and analytical skills Desirable experience AWS, Azure or GCP Docker and Kubernetes ...

Lead Data Engineer

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent
years of recent, hands-on professional experience actively coding as a data engineer Strong software engineering fundamentals (system design, data structures, object-oriented programming, testing strategies, and end-to-end development lifecycle) Strong Python programming skills, including unit and integration testing Hands-on experience building ...

Lead Data Engineer

Location
Westminster, West End, United Kingdom
years of recent, hands-on professional experience actively coding as a data engineer Strong software engineering fundamentals (system design, data structures, object-oriented programming, testing strategies, and end-to-end development lifecycle) Strong Python programming skills, including unit and integration testing Hands-on experience building ...

Lead Data Engineer

Hiring Organisation
JP Morgan Chase
Location
London, UK
Employment Type
Full-time
engineering environment8 years of recent, hands-on professional experience actively coding as a data engineerStrong software engineering fundamentals (system design, data structures, object-oriented programming, testing strategies, and end-to-end development lifecycle)Strong Python programming skills, including unit and integration testingHands-on experience building ...

AI Strategist, Generative AI Innovation Center

Hiring Organisation
AmazonWebServices
Location
London, UK
Employment Type
Full-time
science, engineering, or other related field, or experience in consulting, design and implementation of serverless distributed solutions- Experience with one or more object-oriented programming languages (e.g., Java, C/C++, Python)- Experience integrating AWS cloud services with on-premise technologies (e.g., Microsoft, IBM, Oracle ...

Full Stack Developer

Location
Greater London, England, United Kingdom
including building APIs, working with databases and using common Laravel features such as queues, events and scheduled tasks. A solid understanding of object-oriented programming, including principles such as SOLID and writing maintainable, reusable code. Experience writing automated tests using tools such as PHPUnit and/ ...

Senior Applied Data Scientist

Hiring Organisation
London Stock Exchange Group
Location
London, UK
Employment Type
Full-time
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 technologies (emphasis ...

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

Location
Greater London, England, United Kingdom
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 Java Developer

Hiring Organisation
London Stock Exchange Group
Location
London, UK
Employment Type
Full-time
Test Containers. Working knowledge of event/message brokers such as Kafka and MQ.Advanced Scala programmingStrong proficiency in both functional and object‐oriented programming paradigms, with the ability to apply the right approach to deliver robust, maintainable solutions. Deep practical expertise with Scala, including key frameworks ...

Software Engineer

Location
Greater London, England, United Kingdom
testing and TDD principals.* Some database experience (either relational or non-relational).* Experience with source control, partaking in code reviews.* Thorough knowledge of OOP, coding fundamentals and design patterns.* Strong communication skills.* In-depth knowledge of sports betting markets, including odds calculation, betting types and market trends* Previous experience ...

Senior Rapid Application Developer

Hiring Organisation
REC SOLUTIONS LIMITED
Location
City of London, London, United Kingdom
Employment Type
Permanent
Senior RAD Engineer, you will be a proponent of agile principles and modern software best practices. You can produce detailed technical work in OOP and collaborate effectively with other development teams to produce code of high quality. Ideally, you will have worked in critical systems development and have direct experience ...

Python/Front Office Software Engineer for Commodities UK

Location
Greater London, England, United Kingdom
/CD, Application Resiliency, and Security Demonstrated knowledge of software applications and technical processes within a technical discipline (e.g. Cloud,object-oriented programming, full stack development - end to end, quantitative finance) Strong analytical and problem-solving skills Enthusiastic to keep learning and growing, in technical aptitude ...

Full Stack Developer – Treasury Technology

Location
Greater London, England, United Kingdom
fast-paced environment What You Bring At least five years of hands-on programming experience, with a strong understanding of object-oriented programming, design patterns, service-oriented architecture, concurrency, and SOLID principles Hands-on .NET development experience, including C# and ASP.NET Web API Experience building ...

System Development Engineer, Reliability and Automation Engineering

Location
London, England, United Kingdom
from AWS: S3, Lambda, RDS, System Manager, API Gateway, AppSync, DynamoDB, CloudWatch, EC2, IAM. - Proficiency in scripting languages (Python, JavaScript, TypeScript) and object-oriented programming languages (Java, C#, C++). - Knowledge of database systems and SQL and infrastructure as code (AWS CDK). - Ability to take projects ...

Lead Software Engineer- iOS- Senior Hands On- JPM Personal Investing

Location
Greater London, England, United Kingdom
must, you will be working with the team in London Commercial experience on native iOS mobile application development Good Knowledge of object-oriented programming with Swift, Xcode Strong analytical and problem-solving skills Experience writing unit tests using XCTest framework Experience with the MVVM + Coordinator design ...

Python Full Stack Software Engineer II

Location
Greater London, England, United Kingdom
exposure to computer programming. Proficient in Python and knowledge of Tornado web framework/TypeScript/React. Good understanding of software architecture, object-oriented programming and design patterns. Strong communication skills with the ability to interface with other functional areas in the firm on business requirements. Risk ...

Senior Java Developer - Fixed Income Algo Technology, VP

Hiring Organisation
Citigroup
Location
London, UK
Employment Type
Full-time
experience in core Java, specializing in low-latency, high-throughput distributed applications. Profound understanding of software development fundamentals, data structures, design patterns, object-oriented programming, and algorithms complexity analysis. Demonstrated experience with messaging technologies such as Solace, Kafka, etc. Practical experience with Chronicle and/or Aeron. ...

Software Engineer

Location
Greater London, England, United Kingdom
Azure Debug in a range of systems Work on your own self‐development – we value keen learners Mentor others Champion Clean Architectures (Object‐Oriented Programming, SOLID Principles, Code Smells, etc.) Skills, knowledge and expertise We want our teams and individuals to grow. If you don't have ...

Senior Software Engineer - Risk & FX

Location
Greater London, England, United Kingdom
independent path to production. Strong platform and product support. The ability to make real changes with real business value. Technical Stack & Requirements Object‐oriented programming in Java (version 11+), ideally using the Spring Boot framework. Highly scalable, highly available cloud‐native applications on AWS, written ...

Python Developer / Team Lead - FinTech

Location
Greater London, England, United Kingdom
experience You have a good knowledge of CI/CD, testing and deployment You have a thorough understanding of Computer Science fundamentals such as OOP, Data Structures, Design Patterns, Algorithms You're collaborative and pragmatic with great communication skills You're degree educated in a STEM discipline, having achieved ...

Staff Engineer C# .Net AWS Python - FinTech

Hiring Organisation
Client Server
Location
London, UK
Employment Type
Full-time
have a good knowledge of AWSYou have experience of working on highly scalable systemsYou have a strong knowledge of Computer Science fundamentals such as OOP, Data Structures, Design PatternsYou have experience with, or a strong interest in Artificial Intelligence and are keen to explore the possibilities further e.g. ChatGPT, Claude ...

Insights Tech Lead

Location
Greater London, England, United Kingdom
experience evaluating and deploying AI/ML solutions in commercial environments Excellent problem-solving, communication and stakeholder management skills Strong software engineering practices (OOP, testing, Git, documentation) Understanding of modern analytics engineering and scalable solution architecture Experience working within agile product or engineering teams Passionate about continuous improvement, automation ...