176 to 200 of 411 Python Jobs in the City of London

Senior C# Developer - Head of Core Platform | Hedge Fund | London

Hiring Organisation
Undisclosed
Location
City of London, London, United Kingdom
with Fixed Income and Rates experience Technical Skills Strong computer science fundamentals Hands‐on development experience in: C# and .NET (essential for this role) Python within quant or data environments The client will also consider exceptional engineers from other OOP backgrounds such as C++ , Java , or Go Familiarity with ...

Advisory Engineer

Hiring Organisation
WorkGenius Group
Location
City of London, London, United Kingdom
long-term architectural strategy. Identify technical risks and drive reliability and velocity improvements. Influence technical direction beyond the immediate team. Core Skills Expert-level Python (async programming, performance optimization, SDK/library design). Deep understanding of agentic frameworks (LangChain, LangGraph, LlamaIndex, AutoGen or similar), including internal mechanics. Proven experience ...

Senior Eclipse Desktop Engineer

Hiring Organisation
L&T Technology Services
Location
City of London, London, United Kingdom
similar UI testing frameworks. Familiarity with numerical libraries and precision/robustness techniques. Cross‐language integration (e.g., JNI to C/C++ modules) or Python interop for scientific workflows. Preferred Skills 30 days: get hands‐on with the codebase; map key OSGi bundles/services; profile a representative workflow ...

Senior Applied Scientist - Computer Vision

Hiring Organisation
Entrust
Location
City of London, London, United Kingdom
strong record of successfully delivering high-performance ML-driven products. Have a deep understanding of machine learning theory. Have strong coding skills in Python and PyTorch. Care about building fair and cutting-edge machine learning products. Strong candidates may also have : Technical experience in one or more of the following ...

Technical Adoption Consultant — EMEA

Hiring Organisation
Mind Detect
Location
City of London, London, United Kingdom
ensuring seamless collaboration with technical consultants, architects and customers Technical Problem Solving: Assist customers in resolving technical challenges, working with SQL, APIs, and Python and support related to data ingestion, transformation, and visualisation Develop and optimise data models, ETL processes, Workflows and dashboards within the platform Provide best practices … technical, data-focused, and customer-facing consulting role Proficiency with business intelligence platforms (e.g. Tableau, Looker, Power BI). Strong skills in SQL and Python for data modelling, integrations, and process automation Hands-on use of APIs, including constructing calls in Postman Familiarity with AI technologies, including LLMs, AI agents ...

Senior DevOps Engineer (Product)

Hiring Organisation
Hive Science
Location
City of London, London, United Kingdom
streamline model deployment, versioning, and monitoring for our AI/ML products. • Automate infrastructure provisioning (Terraform), configuration management, and deployment processes using scripting (Bash, Python) and automation tools. Monitoring, Observability & Reliability: • Implement comprehensive monitoring, logging, and alerting systems (Prometheus, Grafana, CloudWatch, Datadog, Sentry) to ensure system reliability and rapid incident … Actions, CircleCI, Jenkins, GitLab CI) • Experience with MLOps and supporting ML model deployment workflows (AWS Sagemaker, Lambda, containerized deployments) • Proficiency in scripting and automation (Python, Bash, Go) • Strong experience with monitoring and observability tools (CloudWatch, Prometheus, Grafana, Datadog, Sentry, New Relic) • Experience with database administration and optimization across SQL, NoSQL ...

Python Developer (high-throughput/low-latency)

Hiring Organisation
Ascendion
Location
City of London, London, United Kingdom
Description: We are looking for an experienced Python Backend Developer with strong cloud expertise and hands-on experience building or supporting enterprise-grade platforms. This role is ideal for someone who has worked on complex, high-performance systems such as trading platforms, financial systems, or other large-scale enterprise applications. … Responsibilities: Design, develop, and maintain scalable backend services using Python Build and enhance REST APIs and microservices Work on high-throughput, low-latency systems Deploy and manage applications on AWS cloud infrastructure Collaborate with cross-functional teams including DevOps and architecture Optimize performance, scalability, and system reliability Work with ...

Software Engineer | High-Frequency Trading

Hiring Organisation
Fionics
Location
City of London, London, United Kingdom
market data infrastructure Develop quantitative research platforms and tools Optimize performance-critical financial applications Requirements: 2+ years software engineering experience Strong C++/Python/Java skills Trading experience preferred but not essential Our network: Pay: $150K-$800K+ based on experience Locations: London, Remote Focus: Trading platforms, risk systems, data ...

Senior Design Verification Engineer

Hiring Organisation
Berkeley Square - Talent Specialists in IT & Engineering
Location
City of London, London, United Kingdom
3+ years’ experience in FPGA or ASIC functional verification Strong SystemVerilog skills (UVM or similar frameworks) Experience with functional and code coverage Proficiency in Python ; C++ a plus Comfortable working in a Linux environment Familiarity with Verilator and/or Cocotb is advantageous Degree in Electrical Engineering, Computer Science ...

Senior Hardware Design Engineer (Low Latency)

Hiring Organisation
Berkeley Square - Talent Specialists in IT & Engineering
Location
City of London, London, United Kingdom
FPGA/ASIC architectures and low-level hardware behaviour Experience with networking, data pipelines, or hardware acceleration (ML a plus) Working knowledge of Python and/or C++ Comfortable in a Linux environment with strong verification skills Degree in Electrical Engineering, Computer Science, or related field ...

Trading Support Engineer - Ultra Low Latency Trading Platform - Up to £75k + Bonus

Hiring Organisation
Saragossa
Location
City of London, London, United Kingdom
platform and processes. From a tech perspective, you'll need exposure to Linux systems and SQL databases. Ideally, you'll have coding skills in Python to be able to automate trading workflows. AWS exposure would be nice, but none of the critical trading infra is hosted here for latency reasons. ...

Senior Research Engineer

Hiring Organisation
Durlston Partners
Location
City of London, London, United Kingdom
Looking For 5+ years in AI/ML engineering or applied research Experience training, fine-tuning, or deploying LLMs in production Strong Python and familiarity with modern ML tooling (PyTorch, data pipelines, evaluation frameworks) Track record of turning research work into production systems Compensation & Benefits £200K - £300K base Health coverage ...

Quantitative Analyst

Hiring Organisation
Spectrum It Recruitment Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
based role and as well as very competitive salaries, our client offers an excellent working environment. Skills required: Proficient in several of the following: Python, C#, C++, Java Mathematical Modelling Mathematical skills, particularly a keen understanding of probabilities and statistics Analytic mindset Strong communication skills Accuracy and attention to detail ...

Lead Data Product Analyst

Hiring Organisation
Xcede
Location
City of London, London, United Kingdom
stakeholders Mentoring and supporting analysts within the team What we’re looking for Strong experience in product analytics and experimentation Advanced SQL and solid Python skills Experience with modern data stacks including dbt Background in a high-growth tech company or startup environment Proven ability to influence product decisions through ...

Senior Machine Learning Engineer

Hiring Organisation
SR2 | Socially Responsible Recruitment | Certified B Corporation™
Location
City of London, London, United Kingdom
platform This is a hands-on engineering role with significant impact on the product and ML direction. What they're looking for • Strong Python experience • Commercial Machine Learning/NLP experience • Experience with TensorFlow or PyTorch • Experience with search technologies (Elasticsearch, OpenSearch, etc.) • Experience building production ML systems Experience with ...

Senior Quantitative Developer – Systematic Rates Trading

Hiring Organisation
Saragossa
Location
City of London, London, United Kingdom
risk analytics to support trading strategies, ensuring they operate efficiently in real-world market conditions. The ideal candidate will have strong C# and Python programming skills, along with a solid background in mathematical modeling, pricing, and risk analytics. Experience in rates trading, fixed income, bonds, or interest rate derivatives ...

Research Engineer – AI Agents & LLM Systems

Hiring Organisation
Russell Tobin
Location
City of London, London, United Kingdom
accelerate ML research Collaborating with world-class researchers and engineers Turning ideas into real, scalable systems ⚙️ What You Bring Strong coding skills in Python Hands-on experience with PyTorch/deep learning frameworks Background in machine learning/AI/data systems Exposure to LLMs or generative AI Ability ...

Full Stack Engineer

Hiring Organisation
Block MB
Location
City of London, London, United Kingdom
level full-stack developer who wants to get stuck in and be part of shaping the product as it evolves. Stack: .NET/Python React AWS What they’re looking for: ~2–3 years’ full-stack experience Strong fundamentals (they care about problem-solving, not just frameworks) Experience with APIs ...

Quantitative Researcher

Hiring Organisation
Anson McCade
Location
City of London, London, United Kingdom
Engineering, Operations Research, Computer Science and Physics from a top University. Required Skills Programming proficiency with at least one major programming or scripting language (Python, C++, and R). Strong communication skills and ability to work well with colleagues across multiple regions. Ability to perform well under pressure. Detail orientated. ...

AWS Data Engineer

Hiring Organisation
Peaple Talent
Location
City of London, London, United Kingdom
Strong SQL and query optimisation expertise Hands-on AWS data services experience (RDS, Aurora, DynamoDB, S3 etc.) Experience with modern ETL, replication & cloud migrations Python or similar scripting skills Bonus points for previous experience in Financial Services 🎁 What’s On Offer Salary: £80,000-£100,000 Hybrid working 2/ ...

Senior Full-Stack Engineer (Contract)

Hiring Organisation
Stealth Startup
Location
City of London, London, United Kingdom
facing portals. Strong background in full-stack development, with the ability to own an entire product from infrastructure to UI. Proficiency in Node.js or Python, React, PostgreSQL, and AWS. TypeScript a plus. Experience working in early-stage or small-team environments where autonomy and speed are essential. Familiarity with serverless ...

Data Architect (Databricks)

Hiring Organisation
Gravitas Recruitment Group (Global) Ltd
Location
City of London, London, United Kingdom
solution design. You Will Have A proven background as a Data Architect, delivering modern, scalable data platforms. Strong programming skills in Python, Scala, or SQL for data engineering. Hands‐on expertise with Databricks and Lakehouse architectures. Experience delivering enterprise‐scale analytics solutions using Databricks, with deep knowledge of Lakehouse patterns. ...

Lead Autonomy Engineer (Defence)

Hiring Organisation
Fortice
Location
City of London, London, United Kingdom
such as: Modelling Data/input pipelines Evaluation and deployment Model optimisation 5+ years building production-grade software using modern practices Strong C++ or Python (with working C++ capability) UK Security Clearance Nice to Have Publications in computer vision, robotics, or NLP Experience with UAVs Experience improving system ...

Founding Engineer | Largest Independent UK Exit Founder

Hiring Organisation
Tech Talent Network
Location
City of London, London, United Kingdom
both the technical architecture and product direction in a true zero-to-one environment. 🛠 What You Bring 4+ years building full-stack applications with Python/JavaScript/TypeScript Experience working in a fast-moving, high-agency engineering environment Computer Science, Engineering, or STEM degree from a top-tier university ...

Applied Scientist

Hiring Organisation
SR2 | Socially Responsible Recruitment | Certified B Corporation™
Location
City of London, London, United Kingdom
projects Requirements • 8+ years of commercial engineering and/or data science experience • Experience in technical leadership or leading ML initiatives • Strong Python programming skills • Commercial experience with machine learning • Experience working in Natural Language Processing (NLP) • Experience training ML models using TensorFlow and/or PyTorch • Experience with search ...