1 to 25 of 375 OO Jobs in London

Full Stack Software Engineer - Associate

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 ...

Technical Lead

Hiring Organisation
London Stock Exchange Group
Location
London, UK
Employment Type
Full-time
solutions, e.g., K8, Docker, Kaniko, etc. Proficiency in at least one of the standard programming languages – Java/JavaScript, C#, Python, or similar Object-oriented programmingProficiency in at least one of the standard scripting languages – Terraform, Bash, Ansible, etc. Good understanding of Software engineering concepts, e.g., coding techniques ...

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, 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 ...

Sr. Full Stack Developer

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 ...

Sr. Full Stack Developer

Location
Greater London, England, United Kingdom
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

Location
Greater London, England, United Kingdom
improve delivery effectiveness and customer value.Must-Have SkillsExtensive 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, Kafka ...

Senior Full-Stack Cloud Native Developer (OTC Team), Charles River Development, Assistant Vice President

Hiring Organisation
State Street Bank
Location
London, UK
Employment Type
Full-time
financial services.4–7 years developing solutions in Portfolio Management, Trading, Compliance, Post‐Trade, IBOR, or Wealth Management is strongly desired. Strong knowledge of object‐oriented programming, relational databases, scripting languages, and modern software engineering paradigms. Ability to contribute to complex design specifications with minimal oversight. Demonstrated ability ...

Azure CloudOps Engineer

Location
Greater London, England, United Kingdom
observability platforms such as Splunk, Datadog, Grafana, Prometheus, Dynatrace, or similar technologies. Experience with AI-driven operational tooling and automated incident response solutions. Object-oriented programming experience. Experience working within Product Engineering, Software Engineering, or R&D environments. Experience supporting highly available, business-critical systems. Cloud certifications across ...

Senior Software Engineer II -Java

Hiring Organisation
RELX 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 ...

Senior Software Engineer

Location
Greater London, England, United Kingdom
Python frameworks such as Django, Flask, or FastAPI. Experience in building RESTful APIs and microservices architecture. Strong knowledge of data structures, algorithms, and object-oriented programming. Hands-on experience with databases such as PostgreSQL, MySQL, or MongoDB. Familiarity with asynchronous programming and performance optimization techniques. Experience with cloud ...

QE AI Engineer (Python)

Hiring Organisation
NTT DATA
Location
London, UK
Employment Type
Full-time
C#Experience with web, API, and non-functional testing approachesExperience using CI/CD pipelines to integrate and run automated testsGood understanding of object-oriented programming principles and modern engineering practicesExperience working with Git-based source control and collaborative development workflowsStrong problem-solving and analytical skillsGood written and verbal ...

Senior Software Engineer

Hiring Organisation
LTM
Location
London, UK
Employment Type
Full-time
architecture are well documentedWork closely with partner technology teams and to collaborate effectivelyTechnical Skills RequiredVery deep understanding of NetNet Core and Solid understanding of OO principlesExperience in ASPNET Core Web API and RESTful API techniquesSolid understanding of and experience with multithreading and asynchronous programmingFamiliar with SQL and NoSql databasesHandson experience ...

Lead AI Software Engineer - TRP Labs London

Location
Greater London, England, United Kingdom
Computer Science or a related technical field, or equivalent practical experience. 8+ years of progressive software engineering experience developing applications in object‐oriented languages such as Java, Python, or JavaScript, including experience leading technical delivery across teams or major initiatives. Extensive hands‐on experience architecting and delivering cloud ...

Senior PHP Developer

Location
London, United Kingdom
five years' commercial experience developing and supporting business-critical web applications. Extensive PHP 8+ development experience and strong Symfony knowledge. Strong understanding of object-oriented programming, SOLID principles and design patterns. Experience developing and integrating RESTful APIs , with knowledge of OAuth2, OpenID Connect and JWT. Good knowledge ...

Senior Scala Developer | Banking domain | Bromley

Location
Bromley, England, United Kingdom
development. Strong programming experience in Scala , and familiarity with Scala frameworks. Good working knowledge of Java and backend application development. Solid understanding of Object-Oriented Programming (OOP) and Functional Programming (FP) concepts. Experience designing and developing scalable, high-performance applications and services. Strong knowledge of MySQL , including database ...

Senior Application Developer

Location
Greater London, England, United Kingdom
junior developers.Mandatory Skills :6+ years of hands-on experience in Progress OpenEdge application development.Strong expertise in OpenEdge ABL/4GL, including procedural and object-oriented programming.Experience with OpenEdge AppServer and WebSpeed development.Strong knowledge of application integration using SOAP, REST, XML, JSON, and related technologies.Experience with debugging, error handling ...

Software Engineer- III- iOS- 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 pattern ...

Java Developer (Blockchain)

Hiring Organisation
London Stock Exchange Group
Location
London, UK
Employment Type
Full-time
like JUnit, Cucumber, Gherkin, PACT, and Test Containers. Working knowledge of event/message brokers such as Kafka and MQ.Advanced JavaStrong experience in Object-Oriented Programming (OOP).Advanced knowledge of Java 17+ features and practical experience with Spring Boot. Skilled in developing RESTful services, including REST design principles ...

Java Developer (Blockchain)

Location
Greater London, England, United Kingdom
JUnit, Cucumber, Gherkin, PACT, and Test Containers.* Working knowledge of event/message brokers such as Kafka and MQ.Advanced Java* Strong experience in Object-Oriented Programming (OOP).* Advanced knowledge of Java 17+ features and practical experience with Spring Boot.* Skilled in developing RESTful services, including REST design ...

Full Stack Developer

Location
Greater London, England, United Kingdom
Laravel, 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/ ...

Global Banking & Markets - Systems Engineer - Vice President - London

Hiring Organisation
Goldman Sachs
Location
London, UK
Employment Type
Full-time
plus.2+ years of professional experience in an SRE, Production Engineering, or a DevOps role. Hands-on experience with at least one object-oriented programming language (e.g., Java, C++) and a scripting language (e.g., Python, Bash).Excellent analytical and communication skills. Ability to multi-task and prioritise tasks effectively. ...

Lead Software Developer

Location
Greater London, England, United Kingdom
full-stack software development principles and modern engineering practices. Experience designing and implementing RESTful APIs and event-driven architectures. Strong knowledge of object-oriented and functional programming concepts. Experience with CI/CD tools, containerization technologies, frontend frameworks such as React, and advanced Java frameworks including Spring ...

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 ...

Global Banking & Markets - Systems Engineer - Vice President - London

Location
City Of London, England, United Kingdom
plus. 2+ years of professional experience in an SRE, Production Engineering, or a DevOps role. Hands-on experience with at least one object-oriented programming language (e.g., Java, C++) and a scripting language (e.g., Python, Bash). Excellent analytical and communication skills. Ability to multi-task and prioritise ...

Senior Software Developer

Hiring Organisation
Spectrum IT Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£120000 - £150000/annum
practices Essential Skills & Experience 5+ years' professional software development experience Strong commercial experience developing applications using C# and modern .NET Excellent understanding of object-oriented programming, software design principles and architecture Proven experience designing and developing production-grade, scalable software systems Strong experience working with SQL Server, Oracle ...