351 to 375 of 408 Python Jobs in the City of London

site based in Stratford) Your core responsibilities include: • Analyse and interpret eval results, logs and traces from a live AI product • Develop and maintain Python microservices, AWS Lambda functions, Python packages and REST APIs interacting with AWS Bedrock, OpenSearch, Kendra, DynamoDB, and other services. • Build and maintain Lambda functions, Step ...

calling accuracy. Technical Leadership: Architect scalable, secure applications and advocate for best practices in automation and continuous integration. What We’re Looking For Expert Python & TypeScript: Deep proficiency in Python for production AI and strong technical fluency in TypeScript. AI Frameworks: Hands-on experience with some of the following LangChain ...

sports analytics, machine learning, and data science methodologies Your Background 3+ years of industry experience as a Data Scientist , plus a strong academic foundation Python Data Science Stack : Advanced proficiency in Python , including Pandas, NumPy and scikit-learn. Statistical & Machine Learning Modelling : Experience with a variety of ML techniques ( regression ...

Russell Group) I'm hiring a Mid-Level Data Engineer (3+ years’ experience) to help scale and optimise a robust data platform built on Python, Airflow, dbt and Redshift. 🔧 What you’ll be doing: • Scaling and optimising ELT pipelines (Python + Airflow) • Enhancing the data warehouse (performance, cost, complexity) • Expanding … closely with Product, Design, Marketing & Finance 🎯 What we’re looking for: • 3+ years in Data Engineering (FinTech/startup/scale-up ideal) • Strong Python + SQL expertise • Production-grade workflow orchestration (Airflow/Dagster/Prefect) • Deep understanding of data warehousing + ELT principles • Interest in Open Banking & payments ...

growing part of the product Experience with Hotwire (Turbo & Stimulus) and Tailwind CSS Familiarity with background job processing (Sidekiq, Delayed Job, etc.) Experience with Python and FastAPI - our data pipeline and some supporting services are built in Python, and you'd be expected to maintain and contribute to these alongside … cloud infrastructure and deployment platforms Experience working in a startup or high-growth environment Our Stack Backend: Ruby on Rails, PostgreSQL, Sidekiq Data & Services: Python, FastAPI Frontend: Hotwire (Turbo + Stimulus), Tailwind CSS, Three.js Infrastructure: Render Tooling: GitHub Actions, Sentry About Resi Resi is the UK’s number one home ...

from a variety of sources, ensuring that different data sets can be effectively combined and analysed. They can also utilise programming languages such as Python, Java or SQL and tools such as Apache Spark or in this instance LakeFS, for data processing and management. Useful - R, Apache Spark Very useful … Python, SQL, JSON, LakeFS. ...

live trading. What you’ll do: Manage and maintain Linux-based trading infrastructure Deploy and configure servers across production environments Automate operational tasks using Python or Bash Monitor, troubleshoot, and optimise system performance Support production systems and collaborate on infrastructure improvements What we’re looking for: ~2+ years of Linux … systems experience in a production environment Strong command line and troubleshooting skills Experience with Python or shell scripting Familiarity with tools like Ansible, SaltStack, Puppet, or Chef Nice to have: cloud experience (AWS/GCP) or exposure to trading systems. ...

Data Engineer (5–7+ years) who enjoys owning production-grade pipelines end-to-end, optimising performance, and working with modern Python tooling on time-series datasets? I’m supporting a London-based fintech in their search for a hands-on Data Engineer to help build and improve the data infrastructure … streamline and improve ETL/data pipelines (prototype → production) Ingest and normalise high-velocity, time-series datasets from multiple external sources Work heavily in Python with a modern columnar stack (Polars + Parquet/Arrow/PyArrow; DuckDB is a nice-to-have) Orchestrate workflows and improve reliability (they ...

governance - Turn complex business challenges into tangible AI-powered outcomes What we value: - Consulting or client-facing delivery experience - Full-stack engineering skills (Python + modern frontend frameworks) - Hands-on experience with GenAI, agentic frameworks, or AI products in production - Curiosity, creativity, and a drive to unlock real business value … with AI Tech my client works with: Python, React/Next.js, FastAPI/Django, Azure/GCP, OpenAI, LangChain, CrewAI, and more. If you want to push the boundaries of AI in consulting, this is your place to make an impact. ...

Environment: Theplatformcurrentlyoperatesinahybridenvironment: ~60%on-premiseinfrastructure ~40%MicrosoftAzure Thelong-termstrategyisfocusedonmodernisingtheplatform,improvingobservability,andevolvingcloudcapabilities,makingthisanexcellentopportunityforsomeonewhoenjoysbuildingandshapingsystems. TechStack: YoullbeworkingacrossamodernDevOpsandplatformstackincluding: Kubernetes Terraform Hybridcloudinfrastructure(on-premise+Azure) CI/CD&Automation GitHubActions Python AzureServices AzureKubernetesService(AKS) AzureVirtualMachines AzureVirtualNetworks AzureLoadBalancer AzureApplicationGateway AzureStorageAccounts AzureBlobStorage AzureKeyVault AzureMonitor AzureLogAnalytics AzureActiveDirectory AzureContainerRegistry AzureDNS AzureDevOpsintegrations Observability Logging,monitoring,andtracingacrossdistributedsystems Buildingmeaningfultelemetryandplatformvisibility Whatyou'llbedoing: Leadingtheevolutionofthecompanysplatformandinfrastructurestrategy DesigningandimprovinghybridAzure+on … Hybrid-23daysperweekintheoffice IfyoureaSeniororLeadPlatform/DevOpsEngineerwhoenjoyssolvingcomplexinfrastructureproblemswhileshapingplatformstrategy,thisisafantasticopportunitytomakearealimpact. Pleaseclick"APPLY"andreachouttoVytasJelinskasatReVybeIT,tofindoutmore. YoumusthavefullrightstoworkintheUK,andbehappytotravelintotheCentralLondonoffice2/3daysaweektobeconsideredforthisrole.Pleasekeepthisinmindwhenapplying! LeadPlatformEngineer-FinTech £110,000+Bonus CentralLondon Azure,Kubernetes,Terraform,On-Premise,Python,PowerShell,GitHubActions,PlatformEngineer ...

global reach in relation to their clients and offices. They are on the lookout for a talented Quant Developer with exceptional skills in python programming, and solid experience on equities focused projects Responsibilities for an Equity Derivatives Quant: • Core Trading Engine Development: Build, maintain, and enhance the core trading engine … Extensive knowledge surrounding equities asset class • At least 2 years experience within the financial services industry • Hands on experience with object orientated programming, using Python • Strong communication skills and confidence in working within a collaborative team environment. To hear more details please apply to this position or contact Ben Mortimore ...

basis, clarifying ownership and integration points, and capturing this information in a way that supports risk assessment and decommissioning decisions. Responsibilities: Python and PySpark are required as supporting capabilities, used where needed to analyse data pipelines and confirm how data moves and transforms in practice. The role also requires strong … Azure is expected, with Databricks considered a nice to have. Required Skills: Java background Node JS Json RDS React Data Modelling Python/Spark Cloud experience (AWS/Azure) o AWS Glue o Databricks Testing e.g. PyTest Data Quality e.g. Great Expectations ...

basis, clarifying ownership and integration points, and capturing this information in a way that supports risk assessment and decommissioning decisions. Responsibilities: Python and PySpark are required as supporting capabilities, used where needed to analyse data pipelines and confirm how data moves and transforms in practice. The role also requires strong … Azure is expected, with Databricks considered a nice to have. Required Skills: Java background Node JS Json RDS React Data Modelling Python/Spark Cloud experience (AWS/Azure) o AWS Glue o Databricks Testing e.g. PyTest Data Quality e.g. Great Expectations ...

Senior Machine Learning Engineer — Ranking & Recommendations Tech Stack: Python, GCP, BigQuery, dbt, modern ML frameworks, LLMs, embeddings, RAG Salary: £110,000 – £130,000 + options scheme Contract: Permanent, full-time Location: London, 3 days per week Sponsorship: Tier 2 sponsorship available We're looking for a Senior Machine Learning Engineer … product - LLMs for embedding generation, semantic understanding, conversational interfaces, feature generation, RAG, etc. Experience working with large-scale user behavioural data; proficiency with Python and modern ML frameworks Experience with cloud-based ML infrastructure (ideally GCP) Familiarity with data warehousing tools such as BigQuery and dbt Interested? Apply below ...

Founding FS Engineer (Python, NextJS, TypeScript) 👨🏽💻 (AI/LLMs) Salary up to £120k + Equity London - 2/3 days a week Can sponsor candidates already in the UK ✅ Opportunity to join a VC backed startup, building the future of LegalTech. 🧑🏻⚖️ With operations based in both … creating agents to handle complex legal processes. 🤖 What you'll do Contribute to the entire stack, from cloud infrastructure to prompting to UX (Python backend, Next.js with TypeScript frontend, PostgreSQL, SOTA LLMs. Deployed to Azure via IaC (Bicep) with CI/CD pipelines powered by GitHub Actions) Collaborate closely with ...

looking for a highly analytical and detail-oriented Econometrics Manager/Data Scientist with hands-on experience in Marketing Mix Modelling (MMM), strong Python capability, and the ability to independently build robust statistical models (all essential). You will work closely with marketing teams, brand agencies, commercial teams, and senior … quantify the impact of marketing activity on acquisition, retention, and engagement Apply advanced analytical techniques, including regression, machine learning, and time-series modelling using Python Communicate findings through compelling storytelling, presentations, and documentation Collaborate cross-functionally to scale and enhance modelling approaches using advanced statistical methods Skills & Experience (Essential) Proven ...

Risk Managers, Portfolio Managers, and the Investment Committee to ensure effective application of research outputs. Key Responsibilities Design, build, and maintain efficient and reliable Python code and infrastructure. Develop and maintain the risk modelling, pricing, and analytics suite. Partner with business users to deliver new tools, troubleshoot existing solutions … implement new approaches to analytics and data handling across multiple asset classes (Equities, Fixed Income, Credit, FX). Candidate Profile Strong programming skills in Python (Pandas, NumPy), with MATLAB experience required. Familiarity with other data analysis tools (R, Eviews) is an advantage. Experience managing projects from requirements gathering through ...

Senior Site Reliability Engineer (AWS Python JS) - Lead Role - UK Location: London (Hybrid) Salary: £100k - £120k per year Do you have a software engineering background with a passion for infrastructure, and are you ready to take the lead in building a world-class Site Reliability Engineering function from the ground … deep-seated passion for infrastructure and systems. •You have significant commercial experience with AWS •You are comfortable and proficient with JavaScript (JS) and Python for scripting, automation, and tooling. •You thrive working independently and are eager to take ownership of complex, high-value projects. •You have the ambition and drive ...

core services, IAM/security, networking concepts, cost control, observability) You have a strong working knowledge of Databricks and Data Lakehouse concepts and Python literacy You have advanced stakeholder management and business relationship skills Location/WFH: The company is a big advocate of flexible working and prides itself … work at times that suit you. About you: You have a strong software engineering skills with technologies such as, Elixir, Rust, Scala, Ruby or Python in a SaaS environment You have a good knowledge of AWS You're able to conduct code reviews and provide coaching and mentoring You have ...

shared architecture across the portfolio. Essential Requirements 3-6+ years building production-grade full-stack applications, with clear ownership. Strong backend experience in Python (FastAPI preferred) and solid database skills (PostgreSQL/MongoDB). Proven experience building and shipping mobile apps with React Native. Strong React fundamentals (Next.js experience … product decisions from engineering perspective. Evidence of shipping quickly in small teams (links to apps, repos, case studies, live products). Desired Node.js alongside Python for services or integrations. App Store/Google Play release experience. Experience with vector databases (e.g., Chroma) and embedding pipelines. LangChain or CrewAI for orchestration ...

roles and help you get a step ahead. Learn the Command Line (*1.5 weeks) Learn Git & GitHub (*1.5 weeks) Learn JavaScript (*1.5 weeks) Learn Python 3 (*1.5 weeks) JavaScript forms the foundation of almost everything you see on the Internet. Therefore, this is an essential addition language in building your … programming and development foundation. Python is a highly versatile programming language and due to its relatively “easy to understand” commands now one of the most common programming languages used. You can use it for both small and complex tasks, and it is used across many different industries broadening your scope ...

identify breaks, validate behaviour, and assess downstream impacts. Provide subject-matter guidance to technology, operations, and trading teams. Technical & Data Analysis Use SQL and Python (pandas) to analyse datasets, validate outputs, and support decision-making. Leverage Jupyter Notebook or similar tools for structured investigation of trade, position, and fee data. … transparent reporting on progress, risks, milestones, and system health. Required Skills & Experience Technical Competency Strong SQL, capable of writing complex analytical queries. Hands-on Python experience, particularly with pandas for data analysis. Proficiency with Jupyter Notebook or equivalent analytical tooling. Familiarity with multi-system data flows and large, structured datasets. ...

Senior Software Engineer | £900 per day (Inside IR35) | London | 3 days in Office Industry: Commodities Trading Location: London Job Type: Contract (6 months initial) Our client, a leading commodities trading firm, is seeking a Senior ...

this role you will be bringing your credit risk strategy experience to focus on driving business growth and profitability using tools like SQL and Python alongside your credit commercial background The Role As a Senior Credit Strategy Analyst, you will be: Developing new insights to drive optimisation of credit risk … wider business strategies Developing credit risk strategies for Acquisitions and Existing Customers. Working with senior leadership to implement/improve strategy. Using SQL and Python daily for strategy development Your skills and experience To be successful as a Senior Credit Strategy Analyst, you will need: Experience as a credit risk ...

Role: Lead Python Engineer (Hands-on Team Lead) 📍 Location: London – Hybrid (3 days office/2 days WFH) 💰 Salary: Up to 130k base 🏦 Industry: Fintech Platform We’re working with a profitable, high-growth UK fintech building a platform used by wealth and advisory firms to manage investment accounts, portfolios … product platform — both in terms of scale and functionality . As a result, they’re growing the engineering team and looking for a Lead Python Engineer to take ownership of a core part of the platform. The Role This is a hands-on technical leadership role (50-70% hands ...