1 to 25 of 42 Permanent OOP Jobs in London

s technical capabilities. Skills & Experience: Essential: A 1st class degree in Computer Science (or predicted grade). A passion for IT and a strong interest in learning Object-Oriented programming languages (C#, Java, PHP, ASP.NET, C++, CSS, MVC, etc.). Solid understanding of SQL Server and MySQL (writing queries). Familiarity with MS Azure or similar cloud More ❯

Java frameworks (e.g., Spring, Spring Boot, Quarkus). Experience designing, building, and maintaining large-scale, distributed systems. Experience with RESTful API design and implementation. Strong understanding of object-oriented programming and design patterns. Exposure to NoSQL databases (e.g., MongoDB, Cassandra) is a plus. Exposure to cloud platforms (e.g., AWS, Azure, GCP) and containerization (e.g., Docker, Kubernetes) is More ❯

etc) Proven experience as a C# Developer or similar software development role. Proficiency in C# programming language and .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) and ORM frameworks (e.g., Entity Framework). More ❯

years proven experience as a C# Developer or similar software development role. Proficiency in C# programming language and .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) and ORM frameworks (e.g., Entity Framework). More ❯

Preferred Qualifications Experience building streaming data processing and ingestion pipelines Experience building distributed data processing systems which handle a high volume of client queries Strong knowledge of object oriented programming, data structures, algorithms and design patterns Prior experience building systems used by multiple technical and non-technical teams Over 6 years' experience in Financial industry About Goldman More ❯

Relevant qualifications and experience i.e. BSc in Computer Science or Engineering, Software Development certifications, etc. Demonstrable experience in configuring and developing complex software solutions Strong understanding of object-oriented programming and test driven development (TDD and BDD) Strong understanding of agile software engineering practices Appetite for continual experimentation & learning Desirable : Experience of AWS or Azure Hands-on More ❯

or C++ background if happy to use C# going forward) You have a strong knowledge of SQL databases You have a thorough understanding of Computer Science fundamentals such as OOP, Data Structures, Design Patterns, Algorithms You're entrepreneurial with good business acumen, keen to take ownership and lead projects You're collaborative, enjoy problem solving and sharing ideas What's More ❯

and agility across the team. Essential Skills & Experience: Strong experience in Python (FastAPI desirable). 3+ years of experience in developing complex software solutions. Solid understanding of object-oriented programming and test-driven development (TDD, BDD). Familiarity with agile software engineering practices. Passion for continual learning and experimentation. Desirable Skills: Frontend technologies such as HTML, CSS More ❯

with real business value Key technical areas include keeping to 12-factor principles, building highly-scalable, highly-available, cloud-native applications on AWS within a microservices architecture. Object-oriented programming forms the bulk of our codebase, currently in Java (11+), and ideally Spring Boot. You will be working with SQL and large SQL databases, Docker, Kubernetes, OpenAPI More ❯

the TH's quantitative infrastructure Main skills/competencies Proven financial markets experience, ideally within an investment bank or hedge fund Proficiency with C#, Python or another object-oriented programming language Exceptional mathematical and problem-solving skills Exposure to the fixed-income or commodities asset classes Deep understanding of derivatives and how they are priced (e.g. options More ❯

or C++ background if happy to use C# going forward) You have a strong knowledge of SQL databases You have a thorough understanding of Computer Science fundamentals such as OOP, Data Structures, Design Patterns, Algorithms You're entrepreneurial with good business acumen, keen to take ownership and lead projects You're collaborative, enjoy problem solving and sharing ideas What's More ❯

A-level You have strong Java and Kotlin development experience You have experience with Agile processes and TDD You have a thorough understanding of Computer Science fundamentals such as OOP, Design Patterns, Data Structures, Algorithms Other tech in the stack includes Scala, React, Spring, Oracle, Redis, Kubernetes, Docker and Linux so previous exposure to any of these would be beneficial More ❯

both technical and non-technical stakeholders Beneficial Skills: Experience with AWS services such as Lambda, DynamoDB, API Gateway, Step Functions, AppSync, and Event Bridge AWS Certifications Experience with other OOP languages (Python, Java, Go) Familiarity with containerisation tools (Docker, Kubernetes) Why Join Us? Work in a dynamic, collaborative global team. Opportunities for career growth and development. Competitive salary and benefits More ❯

scientific computing environment, preferably in Python/NumPy/Pandas and Java/C++ Experience working with distributed systems and large data sets Strong knowledge of algorithms, design patterns, OOP, threading, multiprocessing, etc. Experience with SQL, NoSQL, or tick databases Experience working in a Unix environment and git Familiarity with Kafka, Docker, AirFlow, Luigi Strong communication skills in verbal and More ❯

GitHub, GitHub Actions, and CI/CD pipelines. Nice to have: Experience with GCP (BigQuery, Dataflow, Composer, Pub/Sub) or AWS. Familiarity with Snowflake. Knowledge of object-oriented programming (Kotlin, Java, or C#). Retail data experience (sales, inventory, or related datasets). What would make you a great fit: Collaboration: You believe the best results More ❯

and debug user issues Provide operational and user-facing documentation We are looking for a Senior ML Platform Engineer with: Proven years of experience working with an object-oriented programming language (Python, Go, etc.) Experience designing cloud-native, distributed platforms Strong knowledge of Kubernetes, Argo, and container orchestration technologies Previous experience with modern CI/CD tools More ❯

and supporting internal applications that improve efficiency. Requirements: We’re looking for someone who enjoys variety and is comfortable working across a polyglot environment, with experience in: Object Oriented Programming MVC Java frameworks (ideally Spring/Jakarta EE/Grails) Frontend: JavaScript, jQuery, HTML CSS REST web services ORM (e.g. Hibernate) Working knowledge of Linux MySQL or More ❯

Azure) and services such as Data Lake, Synapse, Event Hubs, and Functions. Authoring reports and dashboards with either open source or commercial products (e.g. PowerBI, Plot.ly, matplotlib) Programming OOP DevOps Web technologies HTTP/S REST APIs Experience with time-series databases (e.g., InfluxDB, kdb+, TimescaleDB) and real-time data processing. Familiarity with distributed computing and data warehousing technologies More ❯

A-level You have strong Java and Kotlin development experience You have experience with Agile processes and TDD You have a thorough understanding of Computer Science fundamentals such as OOP, Design Patterns, Data Structures, Algorithms Other tech in the stack includes Scala, React, Spring, Oracle, Redis, Kubernetes, Docker and Linux so previous exposure to any of these would be beneficial More ❯

software development lifecycle experience You have a good knowledge of networking protocols e.g. TCP/IP, multicast You have a strong grounding in Computer Science fundamentals e.g. multi-threading, OOP, Data Structures, Design Patterns You're collaborative with great communication skills What's in it for you: *Please note this is a 12 month Fixed Term Contract, with full benefits More ❯

contributing to project planning and execution. Write clean, readable, and maintainable code while adhering to design patterns and architectural principles for scalable applications. Apply strong knowledge of object-oriented programming, design patterns, and best practices. Participate in fortnightly scrum planning and work on allocated story points. APPLY NOW FOR FULL JOB SPEC AND DETAILS - EXCELLENT OPPORTUNITY More ❯

traditional financial markets (e.g., spot FX, rates, or equities). Minimum of 5 years hands-on software development experience in Core Java (J2SE). Strong understanding of object-oriented programming principles, with expertise in applying design patterns to deliver scalable, performant, and secure solutions. Demonstrated ability to write clean, efficient, and maintainable code. Proficient in writing automated More ❯

bonus earning potential. Location/WFH: You'll join the team in Central London with flexibility to work from home twice a week. About you: You have strong backend OOP, multithreaded software engineering experience (e.g. C++, Java, Python) You have commercial Rust development experience You have experience of working on high throughput, low latency trading systems You achieved a 2.1 More ❯

software development lifecycle experience You have a good knowledge of networking protocols e.g. TCP/IP, multicast You have a strong grounding in Computer Science fundamentals e.g. multi-threading, OOP, Data Structures, Design Patterns You're collaborative with great communication skills What's in it for you: *Please note this is a 12 month Fixed Term Contract, with full benefits More ❯

bonus earning potential. Location/WFH: You'll join the team in Central London with flexibility to work from home twice a week. About you: You have strong backend OOP, multithreaded software engineering experience (e.g. C++, Java, Python) You have commercial Rust development experience You have experience of working on high throughput, low latency trading systems You achieved a 2.1 More ❯