1,574 python developer flask django jobs in London, United Kingdom.

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Our Future Health

Data Engineer (NHS Data)

1 day ago

Remote
Hybrid
On-site
Full-time
Contract

£62k per annum

... technical specifications, architecture designs, and Jira tickets into secure, scalable implementations. - Developing data transformation and ETL processes using Python and PySpark. - Working with healthcare and NHS datasets to curate trusted, research-ready data assets. - Reviewing and approving code through pull requests, ...

London, United Kingdom

Exl

Technical Business Analyst - Underwriting Analytics

8 days ago

Hybrid
On-site
Full-time

Product Management
Data Analytics

... requirements for analytics, ML and GenAI solutions Data & Technical Analysis - Profile and analyse policy, quote, exposure, claims and third-party data using SQL and Python to test hypotheses and assess data quality - Produce source-to-target mappings, data dictionaries and KPI definitions (e.g. GWP, loss ratio, rate change, quote ...

London, United Kingdom

Charlie Oscar

Junior Analyst

8 days ago

Hybrid
On-site

... before you know why it matters. - Learn each client’s business: what they sell, who they sell to and what they need from us. - Build your technical skills in Python, SQL and COmpass, with structured training and a team who’ll answer your questions. - Test where AI tools can speed up your work, and check their outputs before ...

London, United Kingdom

UBDS Group

Cloud Architect - Azure

9 days ago

Hybrid
On-site
Full-time

Cloud

... DevOps teams. - Develop and maintain Infrastructure as Code and automated deployment solutions. - Support scripting, development and automation using PowerShell, Python or similar technologies. - Design and implement CI/CD pipelines and deployment processes using Azure DevOps or equivalent tooling. - Work with Azure identity, ...

London, United Kingdom

Vitality

Junior Reinsurance Data Analyst

10 days ago

Hybrid
On-site
Full-time

Data Analytics

... outputs - Maintain clear documentation and audit trails across data processes, controls and reporting activities - Use Excel and analytical tools such as SQL, Python or R to query, manipulate and analyse data - Work with internal teams to support effective data handling and strengthen the quality of reporting processes - ...

London, United Kingdom

Visa

SW Engineer

3 days ago

On-site
Full-time

... looking to start working in the summer 2026. - Proficiency in at least one programming language or technology including, but not limited, to Java, C++, C# or python. - Knowledge of HTML, CSS, Angular, ML or AI is a plus. - The ability to take on challenges and address problems head-on. - Highly driven and resourceful. - ...

London, United Kingdom

Data Intellect

kdb+ Contractor (Capital Markets)

5 days ago

Full-time
Contract

... data. - Collaborate with quants, traders, and analysts to translate business needs into performant, efficient code. - Mentor and guide junior and mid-level developers, fostering a culture of technical excellence. - Own the full development lifecycle by developing, testing, supporting and maintaining all code for client ...

London, United Kingdom

Applied Data Scientist

6 days ago

Remote
Full-time

Data Science

£55k - £75k per annum

... Explore the use of AI/ML, LLMs and RAG where they can genuinely improve research workflows What we're looking for You'll have strong SQL skills together with Python and/or R , plus experience working with complex real-world datasets. We'd particularly like to speak with people who have experience in some of the following: ...

London, United Kingdom

DRW

Quant Researcher - Compute Markets

8 days ago

... work on commodities, energy, freight, weather, insurance-linked or other physically-grounded markets is directly relevant, though not required. - Fluency in Python, and comfort with Monte Carlo methods and uncertainty quantification. - The temperament to state an assumption, own it, and change it when the evidence moves. ...

London, United Kingdom

Computacenter AG & Co. oHG

Data Engineer (Snowflake)

8 days ago

... architecture, performance optimisation, and best practices - Strong experience in ETL development, data modelling, and data integration - Proficient in SQL, Python, and/or Java for data processing - Hands-on experience with Azure and AWS cloud environments - Familiarity with Agile methodologies such as Scrum, Kanban, or ...

London, United Kingdom

G-20 Group

Junior-Mid Options Trader (US Hours)

11 days ago

Full-time

$2 USD

... responsible for managing a discretionary options portfolio across a number of asset classes. You will work with a team of traders, quantitative analysts, and developers to generate superior risk-adjusted returns for the firm. This role offers a unique opportunity to contribute to the growth of a highly successful trading ...

London, United Kingdom

Caxton Associates

Senior Software Engineer (C# / .NET) - Team Lead

14 days ago

Contract

... reliable, production-grade systems - Solid understanding of distributed systems and architectural patterns (event-driven, layered, client-server) - Experience with Python and its ecosystem - Experience with CI/CD and modern development workflows - Strong SQL and relational database skills - Ability to manage multiple priorities ...

London, United Kingdom

ASOS

Senior Software Engineer

3 days ago

Full-time

... including CI/CD pipelines, ideally GitHub Actions, automated testing, safe promotion across environments, monitoring, alerting and incident response. - Strong Python experience that you've owned in production, including building and maintaining production services or data products. - Power BI semantic modelling and DAX experience, ...

London, United Kingdom

Madano

Senior Data & Research Manager, Insights

4 days ago

Hybrid
On-site
Full-time

£55k per annum

... Research design, analysis and insight development: - Develop tailored analysis plans, defining data needs and methods to address project objectives. - Use strong Python skills to assemble, prepare and analyse diverse data, including tabular data, text, media and marketing data, drawn from databases, APIs and other sources. - ...

London, United Kingdom

Solirius Reply

GCP DevOps Engineer (Security Cleared)

4 days ago

On-site
Full-time

IT
Cloud
DevOps

... GitLab CI, Jenkins, GitHub Actions or Cloud Build. - Automate deployment, configuration management and operational processes using scripting languages such as Python, Bash or PowerShell. - Manage GCP services, including Google Kubernetes Engine (GKE), Compute Engine, Cloud Storage, Cloud SQL, IAM and VPC networking. - Implement ...

London, United Kingdom

Vitality

Senior Marketing Data Analyst (Engagement)

4 days ago

Hybrid
On-site
Full-time
Contract

Data Analytics

... measure incrementality and distinguish genuine impact from correlation - Build behavioural segmentations, propensity models and predictive solutions using SQL, Python and statistical techniques to support more targeted marketing activity - Evaluate how engagement influences longer-term outcomes, including app adoption, sustained ...

London, United Kingdom

Link Financial Outsourcing Limited

ICT Graduate

5 days ago

Remote
Hybrid
On-site
Full-time

... identify where AI can improve how the department works. - Automate repetitive operational and administrative tasks using scripting (for example PowerShell and Python) and approved tools. - Contribute to CI/CD pipelines, using Git, pull requests and peer review for all code, and respond constructively to review feedback. - ...

London, United Kingdom

TP ICAP

Senior Network Security Infrastructure Engineer

6 days ago

On-site
Full-time

... Code (IaC) solutions using Terraform and related technologies to support scalable, repeatable deployments. - Develop and maintain automation capabilities using Python, Ansible, and similar tools to improve operational efficiency and platform reliability. - Integrate infrastructure automation and security controls into CI/CD ...

London, United Kingdom

Solirius Reply

GCP DevOps Engineer (Security Cleared)

7 days ago

On-site
Full-time

IT
Cloud
DevOps

London, United Kingdom

Fresha

Senior Growth Analyst (London)

8 days ago

Remote
Hybrid
On-site
Contract

Marketing

£75k - £85k per annum

... campaign quality control (e.g. flagging underperforming ads or keywords), catching inefficiencies faster than manual review allows - Write production-grade SQL and Python, and contribute analytics logic into our dbt models via GitHub rather than keeping it in personal notebooks - Use AI-assisted development tools (Claude Code ...

London, United Kingdom