16 to 40 of 43 OOP Jobs in London

reliable production deployments. What We’re Looking For: Essential: Experience with LLMs (GPT, BERT) and NLP tasks. Fine-tuning pre-trained models for domain-specific applications. Strong Python skills (OOP, PyTorch, Hugging Face, scikit-learn, Pandas, NumPy). Deploying models with Docker, Kubernetes, or serverless platforms. Familiarity with CI/CD, MLOps, and cloud platforms (AWS preferred). Desirable: Named 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 ❯

ofprompt engineering techniques, including designing effective prompts for different tasks, optimizing input/output formats, and leveraging techniques such as few-shot learning. Advanced Python Development Proficiency: Experience with OOP, and data-validation libraries such as Pydantic. Deep familiarity with Python and its ecosystem for AI/ML, including libraries likePyTorch, Hugging Face Transformers, andscikit-learn. Experience withdata manipulationusing libraries More ❯

the business Balance rapid delivery for day-to-day enhancements with long-term strategic projects What you'll bring: Strong proficiency in C# and solid understanding of object-oriented programming Good knowledge of financial instruments (derivatives or structured products) Experience with Python for data analysis or automation Familiarity with SQL Server and relational database design Around 2+ More ❯

managing app products with over 100k+ daily active users). Good programming style, solid foundation in programming and data structures/algorithms; deep understanding of object-oriented programming concepts, with strong design capabilities. Familiar with Android performance optimization and memory optimization techniques, with strong problem identification and resolution skills. Experience in one or more complete More ❯

possess every skill listed here. What's important is having as many as possible and a strong desire to learn the rest. Strong knowledge of C#, including object-oriented programming and SOLID design principles. Experience in VueJS with Typescript or similar frontend technology like React. MS SQL, T-SQL Experience designing event driven architecture with services such More ❯

customers instantly as they spend. The requirements Essential: Experience designing and operating highly available, low-latency payments systems (10,000+ transactions per day). Proficiency in an object-oriented programming language, ideally Python. Experience designing data models for payments systems, ensuring accuracy, scalability, and maintainability, ideally using PostgreSQL. Experience building and integrating APIs and distributed systems, including More ❯

latency, Real Time trading systems . Background in equities trading/execution algorithms . Familiarity with Python for quantitative research (desirable). Strong computer science fundamentals (data structures, algorithms, OOP). Role Highlights: Develop execution algorithms, order management, connectivity & messaging systems. Collaborate directly with trading teams to optimise execution performance. Build robust, resilient, and high-performance trading infrastructure. Contribute to More ❯

experience You have a strong knowledge of databases (SQL or Oracle) You're comfortable with JavaScript/React You have a thorough knowledge of Computer Science fundamentals such as OOP, Design Patterns, Data Structures, Algorithms You are collaborative with excellent communication and stakeholder management skills You are degree educated in Computer Science or similar technical discipline Apply now to find More ❯

or Django). Good knowledge of microservices, APIs, and cloud-based infrastructure. Experience with SQL and NoSQL databases, Git, and CI/CD workflows. Solid engineering fundamentals - data structures, OOP, debugging, and testing. Collaborative, curious, and eager to experiment with AI tools to improve productivity. If this position sounds of interest, please apply and a member of the team will More ❯

problem analysis, issue resolution, and system troubleshooting. Strong communication skills both verbal and written. Proficiency with MS Office Suite (Word, Excel, PowerPoint) and MS Outlook. Knowledge of object-oriented programming, Oracle administration, and system administration is a plus. More ❯

skills. As a business with an ongoing focus on software development, we would be very keen to hear from you if you have previous Open Source or Object Oriented programming experience with an understanding of agile methodologies. More ❯

Java, .Net, etc) although the squad will be formed of Ruby Developers. Requirements: Ideally a Comp Sci degree or related discipline Prior hands on programming experience in any OOP language 1-2 years of experience in a Leadership/Engineering Manager role Strong background on Product-focused businesses Manage, coach, and support engineering team Create a technical strategy and More ❯

performance distributed systems, large-scale data pipelines, and real-time detection engines - all built to make the internet a safer place. You’ll thrive here if you: Have strong OOP experience (Python, Java, Go, or Rust - core stack: C#, and they’ll support you ramping up) Enjoy turning complex systems into clean, elegant solutions Like working in a fast-paced More ❯

to the design of scalable, event-driven, microservices-based architecture Work closely with other engineers to ensure operational efficiency, maintainability, and performance Key Requirements Strong core Java skills, including OOP, concurrency, and collections Experience with distributed systems and event-driven architectures Background in designing and building RESTful and event-driven APIs Familiarity with SQL databases and containerisation tools such as More ❯

they're using v19) and TypeScript You are experienced with other web technologies such as HTML, CSS, Web APIs You have a strong knowledge of Computer Science fundamentals including OOP, Design Patterns, Data Structures You have experience of working in large, fast paced organisations You are collaborative with great communication skills You are degree educated, having achieved a 2.1 or More ❯

team is highly engaged with Front Office teams offering an opportunity to learn the business and use technical skills to have a direct impact. Key requirements: Proficiency in an OOP language (Python preferred). Strong Problem-Solving and Analytical Skills. Interest in Finance and/or Commodities. Quick learner with a proactive mindset and strong initiative. Ability to communicate effectively More ❯

team is highly engaged with Front Office teams offering an opportunity to learn the business and use technical skills to have a direct impact. Key requirements: Proficiency in an OOP language (Python preferred). Strong Problem-Solving and Analytical Skills. Interest in Finance and/or Commodities. Quick learner with a proactive mindset and strong initiative. Ability to communicate effectively More ❯

improve Passion for clean energy and solving climate challenges A collaborative mindset and comfort in startup pace Their core stack is Python , but they’re open to all modern OOP languages. 📍 Hybrid in London (2–3 days onsite) If you’re ready to code for something that truly matters - apply now More ❯

Location London Hybrid 1-2 days a week in the office eligibility to work in the UK Role Overview We are looking for a passionate Senior Software Engineer who lives and breathes Java development to join us working with our More ❯

in Euros €) Relocation: VISA & Relocation Package Included Requirements A minimum of 6-8 years hands on experience in the IT sector. Proficient with object-oriented-programming (OOP) concepts. Proficient in algorithms and data structures. Proficient in relational databases. Experienced in asynchronous programming. Experienced of different software development lifecycles. Experienced as a full-stack developer with experience with More ❯

Job Role : Java Fullstack Engineer Job Type : Permanent Location : London, UK Work Mode : Hybrid Job Description You will be joining the innovative Information Security Cybertech Engineering team as a full stack software engineer in a global team responsible for developing More ❯

Job summary The Health Informatics Development Team consists of an agile DevOps team primarily focused on the delivery of IT enabled change and a DataOps team concerned with the effective technical operation of the complex information management environment. This post More ❯

expand Helping shape technical decisions and architecture Key Requirements: Strong experience with PHP (ideally with knowledge of modern frameworks like Laravel, Symfony, or Yii) Solid understanding of object-oriented programming (OOP) in PHP PHP package management (e.g., Composer) Proficiency in modern HTML/CSS Good working knowledge of JavaScript (vanilla JS, jQuery; experience with Vue or React More ❯

Tier 1 bank - Canary Wharf - Hybrid - £960 per day (Inside) - C#/Datastage ETL/Databricks/SQL Role - Full Stack Developer Duration - 6 months with very likely extension Location - Hybrid/Canary Wharf - 2 days per week in a More ❯