1 to 25 of 187 OO Jobs in London

Senior Software Engineer, Full-Stack Applications (Java)

Hiring Organisation
Fitch Group
Location
Greater London, United Kingdom
Employment Type
Full Time
frontend development practices. Experience designing and developing RESTful APIs and integrating with third-party services. Solid understanding of software design principles, design patterns, object-oriented programming, data structures, algorithms, and scalable system architecture. Experience working with relational and NoSQL databases. Familiarity with Agile development methodologies and modern software ...

Senior Lead Full-Stack Software Engineer

Location
Greater London, England, United Kingdom
/CD, application resiliency, security, Git/GitHub, and Test Driven Development. Strong proficiency in Python, with a deep understanding of object-oriented programming principles. Strong proficiency in SQL, with experience of building data pipelines, data models, and data transformation within data warehouses, knowledge of tools such ...

Software Engineer, Full-Stack Applications (Associate Director)

Location
Greater London, England, United Kingdom
frontend development practices. Experience designing and developing RESTful APIs and integrating with third-party services. Solid understanding of software design principles, design patterns, object-oriented programming, data structures, algorithms, and scalable system architecture. Experience working with relational and NoSQL databases. Familiarity with Agile development methodologies and modern software ...

Lead Software Engineer, Full-Stack Applications - AI Fluent (London)

Location
Greater London, England, United Kingdom
frontend development practices. Experience designing and developing RESTful APIs and integrating with third-party services. Solid understanding of software design principles, design patterns, object-oriented programming, data structures, algorithms, and scalable system architecture. Experience working with relational and NoSQL databases. Familiarity with Agile development methodologies and modern software ...

Senior Software Engineer, Full-Stack Applications (Java)

Location
Greater London, England, United Kingdom
production environments. Experience designing and developing RESTful APIs and integrating with third-party services. Solid understanding of software design principles, design patterns, object-oriented programming, data structures, algorithms, and scalable system architecture. Experience working with relational and NoSQL databases. Familiarity with Agile development methodologies and modern software delivery ...

Technical Lead

Location
Greater London, England, United Kingdom
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 programming Proficiency in at least one of the standard scripting languages – Terraform, Bash, Ansible, etc. Good understanding of Software engineering concepts, e.g., coding ...

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 ...

Software Engineer II - Blockchain/ Digital Assets

Location
Greater London, England, United Kingdom
software engineering experience with Java Spring Boot/Python or similar modern backend frameworks Understanding of software development fundamentals: data structures, algorithms, object-oriented design Experience with version control (Git) and working in collaborative development environments Eagerness to learn distributed systems, blockchain technologies, and cloud-native architectures Strong ...

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 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 C# .Net Developer

Location
Greater London, England, United Kingdom
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 Strong troubleshooting ...

Senior Backend Engineer (Ruby)

Location
Greater London, England, United Kingdom
write performant SQL (PostgreSQL focus), with a keen eye for avoiding and resolving N+1 queries and lock contention A firm grasp of Object-Oriented Analysis and Design (OOAD), design patterns, and software engineering best practices Experience designing and maintaining versioned, documented RESTful APIs Experience writing comprehensive automated tests ...

Senior Software Engineer - ST&S

Location
Greater London, England, United Kingdom
applications.* Promote engineering protocols across design, development, testing, deployment and operational support.# **What you’ll bring**Crucial experience* Strong software engineering fundamentals, including object-oriented design, data structures, algorithms and computational complexity.* Validated experience designing and developing distributed, cloud-native applications.* Strong proficiency in one or more programming ...

Lead Software Engineer

Location
Greater London, England, United Kingdom
knowledge of software engineering concepts and principles with a deep understanding of emerging technologies and industry trends Understanding of Python advanced concepts including Object Oriented Programming (OOP), Concurrency, decorators, recursion Understanding of cloud deployment (e.g. AWS, Azure) and Linux scripting (e.g. bash) Advanced Docker skills with a deep ...

Senior Platform Engineer

Hiring Organisation
WTW
Location
London, 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# ...

Senior Backend Engineer

Location
Greater London, England, United Kingdom
GraphQL APIs written in Python3. What we’re looking for... Essential skills and experience: 5+ years experience of developing complex applications using an OO language (ideally Python, but experience in C++/C#/Java/etc would also be considered) Experience working on mission-critical applications, following a robust ...

Software Engineer

Location
City of Westminster, England, United Kingdom
Technical Skills Experience 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 ...

Microsoft Consultant

Location
Greater London, England, United Kingdom
Microsoft technology ecosystem. Key Skills Strong commercial experience with C# and .NET. Experience developing applications using ASP.NET/ASP.NET Core. Good understanding of object-oriented programming and software development principles. Experience developing and consuming REST APIs/web services. Strong understanding of software development lifecycle and coding best ...

Senior Data Scientist I

Hiring Organisation
Elsevier
Location
Greater London, United Kingdom
Employment Type
Full Time
Salary
53800 to 89900 EUR Annually
trust. Tools and Technologies Experience with some of the following is valuable: Strong software engineering and data science expertise, including Python, SQL, object-oriented programming, testing, CI/CD, DevOps, APIs, databases, and modern collaborative development practices using tools such as Git, Jira, GitHub, and GitLab. Hands ...

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 ...

C# / .NET Developer – Front Office Liquidity, Treasury & Risk Systems

Location
Greater London, England, United Kingdom
HTML Required Experience & Skills Essential Proven experience as a Senior C# .NET Developer in demanding, performance-sensitive banking environments. Deep understanding of Object-Oriented design patterns, asynchronous programming, and multithreading. Solid back-end experience building event-driven services, messaging systems, and Windows Services. Strong MS SQL Server database ...

Lead Java Software Engineer – Markets CRM - LDN

Location
Greater London, England, United Kingdom
/certification in software engineering concepts Hands-on experience as a developer and technical leader in large corporate environments Expertise in Java fundamentals, object-oriented programming, multi-threading, messaging technologies, and computer networks Experience building high-performance, latency-sensitive Java applications Understanding of agile methodologies, CI/ ...

Automation Test Software Engineer

Location
Greater London, England, United Kingdom
frameworks. Knowledge of hardware integration and device communication protocols. Experience testing physical products, embedded systems, or IoT devices. Strong understanding of software architecture, object-oriented design, and design patterns. Experience with RESTful APIs, web services, and backend system integration. Knowledge of automation infrastructure, test orchestration, and execution platforms. ...

Lead Software Engineer - JAVA - Equities - Vice President

Location
Greater London, England, United Kingdom
inputs/outputs, and adherence to resiliency and security expectations; experience coaching engineers on safe, compliant adoption within delivery practices Experience with object-oriented design and micro-service architectures and best practices Proficient in all aspects of the Software Development Life Cycle Good understanding of software design patterns ...

.NET Engineer

Location
Greater London, England, United Kingdom
associated concepts, error handling, and request lifecycle. Excellent understanding of asynchronous programming, generics, data types, and memory management in C#. Excellent understanding of object-oriented programming and software engineering fundamentals. Very good understanding of complexity, performance, and scalability of software systems. Very good understanding of enterprise design patterns ...