16 to 40 of 59 OOP Jobs in London

Python Developer FastAPI SQL Data

Hiring Organisation
Client Server
Location
East London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£95,000
skills (PostgreSQL, SQL Server - Azure Databricks experience highly preferred) You have a thorough knowledge of Computer Science fundamentals including Data Structures, Design Patterns, OOP You're collaborative and pragmatic with great communication skills Apply now to find out more about this Python Developer/Backend Software Engineer (Python FastAPI Data ...

Senior Software Engineer - C++, Python - Financial/Banking

Hiring Organisation
N.P.A
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 100,000 - 140,000 Annual
Senior Software Engineer C++, you will be a proponent of agile methodology and modern software best practices. You can produce detailed technical work in OOP and work with other members of the Development team to produce code of high-quality standards. Ideally, you should have worked in critical systems development ...

Quality Assurance Automation Engineer

Hiring Organisation
Harnham
Location
London Area, United Kingdom
bring • Strong commercial experience in QA automation using Java or Kotlin. • Hands‐on use of AI tools to enhance productivity. • A deep understanding of OOP principles. • Proficiency in HTML, CSS, JavaScript, and modern web architecture. • Strong API testing capability using tools such as RestAssured, Feign, Swagger, or Postman. • Experience writing ...

QA Automation Engineer

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£65,000 - £75,000 per annum
bring * Strong commercial experience in QA automation using Java or Kotlin. * Hands-on use of AI tools to enhance productivity. * A deep understanding of OOP principles. * Proficiency in HTML, CSS, JavaScript, and modern web architecture. * Strong API testing capability using tools such as RestAssured, Feign, Swagger, or Postman. * Experience writing ...

Senior C# Developer .Net Core - relocate to Newcastle!

Hiring Organisation
Client Server
Location
East London, London, United Kingdom
Employment Type
Permanent
software engineering best practices and have experience across the full software development lifecycle You have a thorough understanding of Computer Science fundamentals such as OOP, Data Structures, Design Patterns, Algorithms You're excited to join a start-up in a role that you can shape and influence Please note ...

Quality Assurance Engineer

Hiring Organisation
Harnham
Location
London Area, United Kingdom
test automation across the engineering team. Skills & Experience Commercial experience in QA automation with Java or Kotlin . Strong understanding of object-oriented programming principles. Experience testing APIs using tools such as RestAssured, Feign, Swagger, or Postman. UI automation experience with Selenium, Selenide, or Playwright . Familiarity ...

Mid-Senior Ruby on Rails Engineer (B2B SaaS | Hybrid | UK)

Hiring Organisation
Transreport
Location
City of London, London, United Kingdom
ensuring high availability and rapid incident resolution. Requirements Must Haves 4+ years of professional experience with Ruby on Rails. Strong understanding of object-oriented programming and Rails architecture Extensive experience with PostgreSQL, including performance tuning and complex queries. Experience with background job processing using Sidekiq and Redis. ...

Rust Developer Low Latency Trading

Hiring Organisation
Client Server
Location
West London, London, United Kingdom
Employment Type
Permanent, Work From Home
London with flexibility to work from home 1-2 days a week. About you: You have commercial Rust development experience You have strong backend OOP, multithreaded software engineering experience (e.g. C++, Java, Python) You have experience of working on high throughput, low latency systems with microseconds/nanoseconds, within ...

Backend Software Engineer C# .Net SQL - Sports Trading

Hiring Organisation
Client Server
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£90,000
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 ...

Java Software Engineer – Quant Hedge Fund (London, Hybrid)

Hiring Organisation
Winston Fox
Location
City of London, London, United Kingdom
experience. The successful applicant should have exposure to modern software engineering techniques such as CI/CD as well as excellent Computer Science Fundamentals, OOP, Concurrency, and Java Generics. Excellent communication skills are also extremely important for the team, and a strong academic background in a numerate discipline, especially Computing ...

Forward Deployed Engineer

Hiring Organisation
Novatus Global
Location
City of London, London, United Kingdom
Collaborate with business analysts, implementation managers and client technical teams to understand client data and reporting requirements. Required Experience: Strong software engineering fundamentals including OOP, clean code, automated testing, CI/CD and observability. Fluent in python and the python data ecosystem (e.g. pandas). Experience building large and complex ...

Software Development Engineer In Test

Hiring Organisation
Response Informatics
Location
London, United Kingdom
Employment Type
Permanent
hands-on software development experience, including large-scale backend systems or platform engineering. Expert in Python with a strong understanding of object-oriented programming, testing frameworks, and automation libraries. Experience building or validating platform infrastructure, with hands-on knowledge o f CI/CD systems, GitHub Actions ...

Software Engineer II

Hiring Organisation
Expedia Group
Location
Greater London, England, United Kingdom
science or related technical field; or equivalent related professional experience 3+ years of experience in the field of Software Engineering Proficient with Object Oriented Programming concepts with a strong understanding of Data Structures, Algorithms, and Computer Science fundamentals Experience with Java/Scala (JVM) and Spring along ...

Software Engineer

Hiring Organisation
Understanding Recruitment
Location
City of London, London, United Kingdom
high-impact work, with the code you ship being in production fast and at scale. 💡 They’re looking for engineers who: Have strong OOP fundamentals ( Python, Java, Go, or Rust ) - core stack is C# , and they’ll support you getting up to speed. Enjoy breaking down complex systems and rebuilding ...

Ruby Developer

Hiring Organisation
Proactive Appointments
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £80,000 per annum
cloud services, and containerised deployments, we’d love to hear from you. Key Skills 4+ years’ experience with Ruby on Rails Strong understanding of OOP & Rails architecture Extensive experience with PostgreSQL (performance tuning, complex queries) Background job processing with Sidekiq & Redis Expertise in RESTful APIs , JSON, JWT, SSO Experience with ...

Sports Python Developer

Hiring Organisation
Harrington Starr
Location
City of London, London, United Kingdom
Experience Around 3+ years of commercial software engineering experience Must come from a sports trading domain Strong Python development skills with solid object-oriented programming fundamentals Experience building or maintaining data-driven applications or pipelines Exposure to client-server system architecture Experience working with tools such ...

Python Developer

Hiring Organisation
Thyme
Location
City of London, London, United Kingdom
ensure technical solutions align with global business goals. Technology & Environment Backend Engineering: Extensive experience with complex software systems using Python preferred; open to other OOP backgrounds Architecture: Building and managing services with standard APIs and external integrations. Observability: Incorporating robust monitoring, alerting, and reliability into every service. Engineering Culture: Open ...

Software Engineer

Hiring Organisation
PlayMeTech
Location
City of London, London, United Kingdom
Competencies Required: MSc degree in computer science, software engineering or other related discipline 3+ years’ software engineering work experience Good Python development skills and OOP experiences Experience with data-driven software pipeline project Experience with client-server system project Familiarity with data science tools like Jupyter, Pandas, Matplotlib Familiarity with ...

Capital Markets Sales Engineer

Hiring Organisation
Orchestrade
Location
London, England, United Kingdom
capital markets ecosystem, trade lifecycle and commonly traded asset classes (rates, credit, equity, FX, commodities). Technical proficiency in C#, Python or other OOP languages a plus. Clear communicator with strong documentation habits and cross-functional collaboration skills. Excellent presentation skills, with the ability to distill complex topics clearly into ...

Software Developer

Hiring Organisation
Information Tech Consultants
Location
Greater London, England, United Kingdom
party services. Collaboration: Participate in code reviews, sprint planning, and daily stand-ups to ensure high-quality software delivery. Strong understanding of Object-Oriented Programming (OOP) principles. What We’re Looking For (Requirements) Experience: [Number] years of professional experience in Java-based software development. Java Knowledge: Hands ...

Junior Software Developer Rust - HFT

Hiring Organisation
Client Server
Location
East London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£90,000
achieved a 2.1 or above in Computer Science or Software Engineering from a top tier university i.e. Oxbridge, Russel Group You have backend OOP, multithreaded software engineering experience You have Rust development experience You have experience of working on high throughput, low latency systems You are collaborative and pragmatic with ...

Senior Full stack engineer

Hiring Organisation
Pynea
Location
Greater London, England, United Kingdom
view on how AI should reshape the engineering workflow, raising speed and quality without sacrificing correctness. Must-haves NodeJS, GraphQL (NestJS), PostgresSQL Data structures OOP principles Understanding of complexity principles and correct approaches Experience with AI and LLMs (including but not limited to Gemini) Strong analytical and problem-solving skills ...

Business Analyst (Salesforce) - PERM - London, UK

Hiring Organisation
Randstad Technologies Recruitment
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£60000 - £80000/annum
needs into technical solutions. Create and maintain deep technical artifacts (ERDs, System Landscapes, Process Flows, Sequence Diagrams). Apply object-oriented design (OOP) and data modeling principles to both cloud and on-prem architectures. Mandatory Skills Deep expertise in Salesforce Service Cloud . Hands-on technical proficiency with ...

Business Analyst (Salesforce) - PERM - London, UK

Hiring Organisation
Randstad Technologies
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £80,000 per annum
needs into technical solutions. Create and maintain deep technical artifacts (ERDs, System Landscapes, Process Flows, Sequence Diagrams). Apply object-oriented design (OOP) and data modeling principles to both cloud and on-prem architectures. Mandatory Skills Deep expertise in Salesforce Service Cloud . Hands-on technical proficiency with ...

Senior Software Engineer

Hiring Organisation
Gravitas Recruitment Group (Global) Ltd
Location
City of London, London, United Kingdom
comfortable building without perfect specs and takes initiative naturally. Requirements Strong Node.js and GraphQL (NestJS) experience PostgreSQL, Prisma, and solid data structures/OOP fundamentals Experience building high-concurrency, event-driven systems GCP experience (Terraform desirable) Experience working with AI/LLMs in production environments Strong focus on system reliability ...