22 senior python developer jobs found

About Us At Cloudflare, we are on a mission to help build a better Internet. Today the company runs one of the world’s largest networks that powers millions of websites and other Internet properties for customers ranging from individual bloggers to SMBs to Fortune 500 companies. Cloudflare protects and accelerates any Internet application online without adding hardware, installing software, or changing a line of code. Internet properties powered by Cloudflare all have web traffic routed through its intelligent global network, which gets smarter with every request. As a result, they see significant improvement in performance and a decrease in spam and other attacks. Cloudflare was named to Entrepreneur Magazine’s Top Company Cultures list and ranked among the World’s Most Innovative Companies by Fast Company.  We realize people do not fit into neat boxes. We are looking for curious and empathetic individuals who are committed to developing themselves and learning new...

Job Description: Vice President, B2B Marketing Data Science Dow Jones, New York About Our Organization: Dow Jones is a global provider of news and business information, delivering content to consumers and organizations around the world across multiple formats, including print, digital, mobile and live events. Dow Jones has produced unrivaled quality content for more than 130 years and today has one of the world's largest news-gathering operations globally. It is home to leading publications and products including the flagship Wall Street Journal, America's largest newspaper by paid circulation; Barron's, MarketWatch, Investor's Business Daily, Factiva, Dow Jones Risk & Compliance, Dow Jones Newswires, OPIS and Chemical Market Analytics. Dow Jones is a division of News Corp (Nasdaq: NWS, NWSA; ASX: NWS, NWSLV). About the Role: Reporting to the Senior Vice President of Marketing Data Science & Technology, this role will spearhead the development of marketing...

About Us At Cloudflare, we are on a mission to help build a better Internet. Today the company runs one of the world’s largest networks that powers millions of websites and other Internet properties for customers ranging from individual bloggers to SMBs to Fortune 500 companies. Cloudflare protects and accelerates any Internet application online without adding hardware, installing software, or changing a line of code. Internet properties powered by Cloudflare all have web traffic routed through its intelligent global network, which gets smarter with every request. As a result, they see significant improvement in performance and a decrease in spam and other attacks. Cloudflare was named to Entrepreneur Magazine’s Top Company Cultures list and ranked among the World’s Most Innovative Companies by Fast Company.  We realize people do not fit into neat boxes. We are looking for curious and empathetic individuals who are committed to developing themselves and learning new...

About Us At Cloudflare, we are on a mission to help build a better Internet. Today the company runs one of the world’s largest networks that powers millions of websites and other Internet properties for customers ranging from individual bloggers to SMBs to Fortune 500 companies. Cloudflare protects and accelerates any Internet application online without adding hardware, installing software, or changing a line of code. Internet properties powered by Cloudflare all have web traffic routed through its intelligent global network, which gets smarter with every request. As a result, they see significant improvement in performance and a decrease in spam and other attacks. Cloudflare was named to Entrepreneur Magazine’s Top Company Cultures list and ranked among the World’s Most Innovative Companies by Fast Company.  We realize people do not fit into neat boxes. We are looking for curious and empathetic individuals who are committed to developing themselves and learning new...

🚀 We’re on a mission to make money work for everyone. We’re waving goodbye to the complicated and confusing ways of traditional banking. After starting as a prepaid card, our product offering has grown a lot in the last 10 years in the UK. As well as  personal and business bank accounts, we offer joint accounts , accounts for 16-17 year olds , a free kids account and credit cards in the UK, with more exciting things to come beyond. Our UK customers can also save , invest and  combine their pensions with us.  With our hot coral cards and get-paid-early feature, combined with financial education on social media and our award winning customer service, we have a long history of creating magical moments for our customers! We’re not about selling products - we want to solve problems and change lives through Monzo ❤️ Hear from our UK team about what it's like working at Monzo ✨ 📍London | UK remote | 💰 £102,000 to £130,000 + Stock Options + Benefits  |...

  Nasdaq's Data Product Development and Innovation (DPDI) group is looking for a passionate Specialist – Data Science to join our team in the Bangalore technology center in India. Nasdaq is continuously revolutionizing markets and undergoing transformations while we adopt new technologies to develop innovative solutions, constantly striving to rewrite tomorrow. If i nnovation and efficiency drive you forward this is the place for you!        We are looking for candidates who share our values along with a genuine desire and drive to deliver top technology solutions to today's markets.     With this position we offer:   DPDI specializes in crafting outstanding and insightful data products from both traditional (ex., stock prices and fundamentals) and non-traditional ( ex, satellite imagery, consumer transactions, GPS transponders) sources . These innovative data...

Who We Are At OKX, we believe that the future will be reshaped by crypto, and ultimately contribute to every individual's freedom. OKX is a leading crypto exchange, and the developer of OKX Wallet, giving millions access to crypto trading and decentralized crypto applications (dApps). OKX is also a trusted brand by hundreds of large institutions seeking access to crypto markets. We are safe and reliable, backed by our Proof of Reserves. Across our multiple offices globally, we are united by our core principles:  We Before Me ,  Do the Right Thing , and  Get Things Done . These shared values drive our culture, shape our processes, and foster a friendly, rewarding, and diverse environment for every OK-er. OKX is part of OKG, a group that brings the value of Blockchain to users around the world, through our leading products OKX, OKX Wallet, OKLink and more. About the Opportunity As a Senior Data Scientist in our Compliance Technology...

Job Description: Building trusted markets — powered by our people     At Cboe Global Markets, we inspire our people to solve complex challenges together because what we do matters. We provide the financial infrastructure that powers the global economy. As a leading provider of market infrastructure and tradable products, Cboe delivers cutting-edge trading, clearing and investment solutions to market participants around the world.    We’re building meaningful ways to support professional and personal development while strengthening the trust we’ve earned as a global market leader. Our teams are empowered to share ideas, actively pursue them and bring on a challenge. As champions of internal mobility and access to opportunity, we encourage our people to “go for it” and equip our managers with the training to coach their teams to the next level. We strive to provide employees a safe space to network, share ideas and create opportunities....

About the Company Gemini is a global crypto and Web3 platform founded by Cameron and Tyler Winklevoss in 2014, offering a wide range of simple, reliable, and secure crypto products and services to individuals and institutions in over 70 countries. Our mission is to unlock the next era of financial, creative, and personal freedom by providing trusted access to the decentralized future. We envision a world where crypto reshapes the global financial system, internet, and money to create greater choice, independence, and opportunity for all — bridging traditional finance with the emerging cryptoeconomy in a way that is more open, fair, and secure. As a publicly traded company, Gemini is poised to accelerate this vision with greater scale, reach, and impact. The Department: Data At Gemini, our Data Team is the engine that powers insight, innovation, and trust across the company. We bring together world-class data engineers, platform engineers, machine learning engineers,...

ABOUT US: LSEG (London Stock Exchange Group) is more than a diversified global financial markets infrastructure and data business. We are dedicated, open-access partners with a dedication to excellence in delivering the services our customers expect from us. With extensive experience, deep knowledge and worldwide presence across financial markets, we enable businesses and economies around the world to fund innovation, manage risk and create jobs. It’s how we’ve contributed to supporting the financial stability and growth of communities and economies globally for more than 300 years. Through a comprehensive suite of trusted financial market infrastructure services – and our open-access model – we provide the flexibility, stability and trust that enable our customers to pursue their ambitions with confidence and clarity. LSEG is headquartered in the United Kingdom, with significant operations in 65 countries across EMEA, North America, Latin America and Asia Pacific. We employ...

End Date Sunday 04 January 2026 Salary Range £72,702 - £80,780 We support flexible working – click here for more information on flexible working options Flexible Working Options Job Share Job Description Summary . Job Description JOB TITLE : Senior Data Scientist SALARY: £70,929 - £80,000 LOCATION(S): Manchester HOURS:  Full time WORKING PATTERN: Hybrid, 40% (or two days) in the above office location About the opportunity We have a great opportunity for a Senior Data Scientist to support developing next-generation agentic AI models!This role also involves traditional machine learning solutions that power critical business decisions. This role combines modern research with implementation, ensuring scalable, explainable, and robust AI systems across the organisation! You will design and implement next‑generation agentic AI and traditional ML that power critical decisions across the organisation! The key activities in the role...

Job Title Quant/Model Developer: Risk Job Description So, who are we? Hello, we're IG Group. We are an FTSE250 FinTech that run mobile, web and desktop platforms that help our clients trade stocks & shares, leveraged products, Futures & Options and Crypto. We are ambitious. Over 340,000 people already use our platforms. We're global with offices in 18 countries and products in 16 regions. We're hungry to move faster, ship better product for our customers and grow our user base. We believe in high autonomy, and we want people who are looking to do things differently in order to create better experiences for our customers. We work in cross-functional teams and are laser-focused on increasing the number of active clients we serve to drive sustainable growth. Your team The Quant Risk Team and Financial Risk Team is responsible for the end-to-end management of IG Group’s credit, market, capital and liquidity risk profiles . The Team designs, develops...

End Date Sunday 21 December 2025 Salary Range £63,711 - £70,790 We support flexible working – click here for more information on flexible working options Flexible Working Options Hybrid Working, Job Share Job Description Summary JOB TITLE: Assistant Manager, Model Validation Quant SALARY: £63,711 - £70,790 LOCATION: London HOURS: Full-time WORKING PATTERN: Our work style is hybrid, which involves spending at least two days per week, or 40% of our time, at one of our office sites. Job Description About this Opportunity An excellent opportunity has arisen for a highly motivated applicant to join the Model Risk Office at Lloyds Banking Group. This is an exciting opportunity to be part of a dynamic team in a changing and challenging environment, which offers considerable scope for personal development. Become part of the Markets & AI Modelling team which covers pricing models, counterparty risk models, and AI technology. Our team provides...

The successful applicant will be a member of the Quantitative Services Business Unit’s development team that pursues the continuous development of Acadia’s pricing and risk analytics libraries, applications and services. The analytics software is based on ORE (Open Source Risk Engine, opensourcerisk.org) and QuantLib (quantlib.org). The software is largely written in C++ with a growing set of Python language bindings. The analytics are used in several ways, as core component of the Acadia’s risk services (ISDA SIMM backtesting and benchmarking, CRIF generation for ISDA SIMM calculation), as “out of the box” software deployed on client premises, as well as foundation for model validation and tailored client solutions implemented by the Quantitative Service Unit’s Expert Services consulting teams. The development team deals with the implementation of additional financial products that continuously occur during the onboarding of new clients to the services, the implementation of...

About the Role: Grade Level (for internal use): 10 Job Description S&P Global Market Intelligence The Role: Senior Data Scientist Grade 10 The Location: Bangalore/Gurgaon/Hyderabad Position Summary: Senior Data Scientist with excellent hands-on technical skills responsible for designing and building end-to-end ML/AI solutions, implementing technical strategy, and mentoring engineering colleagues to build scalable production systems. The Team: The candidate will join a growing team of AI Engineers & Data Scientists as a member of the Data Science and Platforms team in Market Intelligence (MI) Enterprise Solutions (ES) at S&P Global. We work alongside product teams across MI ES on break-through ideas using tools and techniques spanning the entire spectrum of Data Science, Statistics, Machine Learning, Deep Learning, Gen AI, Operations Research, Data and Machine Learning Engineering. We are responsible for the end-to-end...

About the Role: Grade Level (for internal use): 10 The Team: The Capital IQ Solutions Data Science team supports the S&P Capital IQ Pro platform with innovative Data Science and Machine Learning solutions, utilizing the most advanced NLP Generative AI models. This role presents a unique opportunity for hands-on ML/NLP/Gen AI/LLM scientists and engineers to advance to the next step in their career journey and apply their technical expertise in NLP, deep learning, Gen AI, and LLMs to drive business value for multiple stakeholders while conducting cutting-edge applied research in LLMs, Gen AI, and related areas. Responsibilities and Impact: Design solutions utilizing natural language processing (NLP) models, including chat assistants and retrieval-augmented generation systems. Develop custom NLP large language models (LLMs) that incorporate prompt engineering techniques, model fine-tuning, and alignment strategies. Evaluate NLP models using both...

As a Senior Investment Data Scientist reporting to the Head of Data Science, you'll lead the development of cutting-edge Alternative Data products that deliver quantifiable market insights to the world's most sophisticated investment funds. You will transform non-traditional data sources into innovative products that help clients outperform in competitive markets. You'll thrive in this position if you're intellectually curious, love solving complex problems with data, and enjoy bringing new ideas from concept to market in a fast-paced, collaborative environment. Key Responsibilities Lead the development of Alternative Data products from concept through implementation, leveraging financial market expertise to create measurable alpha. Perform exploratory data analysis and build statistical models to transform raw data into marketable insights. Conduct quantitative backtests and develop whitepapers that showcase product value and investment edge. Collaborate with...

About the Role: Grade Level (for internal use): 11 S&P Enterprise Data Organization Lead Data Scientist The Team : As a member of the EDO, Collection Platforms & AI – Cognitive Engineering team you will work on building GenAI-driven and ML-powered products and capabilities to power natural language understanding, data extraction, information retrieval and data sourcing solutions for S&P Global. You will define AI strategy, mentor others, and drive production-ready AI products and pipelines while leading by example in a highly engaging work environment. You will work in a (truly) global team and be encouraged for thoughtful risk-taking and self-initiative. What’s in it for you: Be a part of a global company and build solutions at enterprise scale Lead and grow a highly skilled, hands-on technical team (including mentoring junior data scientists) Contribute to solving high-complexity, high-impact problems end-to-end Architect and oversee...

Join us in building the future of finance. Our mission is to democratize finance for all. An estimated $124 trillion of assets will be inherited by younger generations in the next two decades. The largest transfer of wealth in human history. If you’re ready to be at the epicenter of this historic cultural and financial shift, keep reading. About the team + role We are building an elite team, applying frontier technologies to the world’s biggest financial problems. We’re looking for bold thinkers. Sharp problem-solvers. Builders who are wired to make an impact. Robinhood isn’t a place for complacency, it’s where ambitious people do the best work of their careers. We’re a high-performing, fast-moving team with ethics at the center of everything we do. Expectations are high, and so are the rewards. The Fraud Data Science team safeguards Robinhood and its customers by detecting and preventing fraud and abuse across our platform. We leverage machine learning and analytics to...

About the Company Gemini is a global crypto and Web3 platform founded by Cameron and Tyler Winklevoss in 2014, offering a wide range of simple, reliable, and secure crypto products and services to individuals and institutions in over 70 countries. Our mission is to unlock the next era of financial, creative, and personal freedom by providing trusted access to the decentralized future. We envision a world where crypto reshapes the global financial system, internet, and money to create greater choice, independence, and opportunity for all — bridging traditional finance with the emerging cryptoeconomy in a way that is more open, fair, and secure. As a publicly traded company, Gemini is poised to accelerate this vision with greater scale, reach, and impact. The Department: Data At Gemini, our Data Team is the engine that powers insight, innovation, and trust across the company. We bring together world-class data engineers, platform engineers, machine learning engineers,...

About the Role: Grade Level (for internal use): 11 Position Summary The candidate will work along with other data scientists and data engineers to support activities related to development and maintenance of products that generate key insights on industry trend by applying various machine learning and statistical techniques on proprietary as well as open data sources. The person will work alongside Product managers, Industry Analysts and Technology experts to develop and deliver the product in accordance with customer requirements and agreed timeline. The candidate should have 10+ years work experience in developing products/services using Data Science and Analytics. Duties and responsibilities Work as part of analytics team based in Bangalore/Hyderabad/Gurgaon to develop and maintain new products Work as an Individual Contributor and should be able to manage a team as well Participate in complex analytical projects and apply data engineering techniques to...

Copenhagen, Denmark About the job Do you want to work with modelling and development of different models and data-based automated processes with Saxo’s Financial Crime Prevention (FCP)? Saxo is an investments bank, with high speed, global colleagues and we are looking for a Senior Data Scientist to work within the FCP Modelling & Development team.   FCP Modelling & Development is part of 1st Line of defense in Group Operations and located in Saxo’s headquarters in Hellerup. We are a team with colleagues coming from different areas within Saxo’s FCP organization, and we are looking for an additional colleague to join our program. The goal of our team is to ensure that the models and other data-based automated processes we employ in FCP are sound, fit-for-purpose, adequately documented and regularly reviewed.  Responsibilities Contribute to the design, validation, and enhancement of models for transaction monitoring and related areas such as segmentation,...