Average Data Scientist salary in London

Data Scientist (Networking Focus) Salary: £75,000 - £85,000 Fully remote We're looking for a Data Scientist who truly understands how the internet works - not just someone who can analyse data, but someone who knows what's happening under the hood. You'll be joining a Join a pioneering start-up turning raw network data into real insight - mapping how the internet behaves in the wild and using that knowledge to build the next generation of secure, intelligent connectivity. If you can talk confidently about IPs, DNS, routing, and browsers - and you're just as comfortable writing complex SQL queries or Python scripts - this is the role for you. About the Role You'll be working with terabytes of raw network intelligence data - IP addresses, browser metadata, connection logs, and more - to uncover insights that help build out our products in new and detailed ways. This role sits at the intersection of data science and network research. You'll be responsible for: Working with massive, complex datasets using BigQuery in GCP.Writing efficient SQL and Python to clean, join and analyse data.Understanding how internet traffic, protocols, and data flows translate into meaningful patterns.Collaborating with researchers to make sense of raw network data and identify trends or anomalies. This is not a standard data science position. You'll need to understand how the internet actually functions - from the 7-layer OSI model through to how browsers and IP routing behave in the real world. What We're Looking For Essential: Strong background in Python and SQL (BigQuery experience ideal).Solid understanding of networking fundamentals - TCP/IP, DNS, HTTP, routing, IP addressing, etc.Experience handling and analysing large-scale datasets.Background in network engineering, cyber security, or computer science.A genuine interest in how the internet works at a deep technical level. You'll have access to vast datasets and the freedom to explore them - finding patterns and building insights that no one else has seen before. If you're excited by the scale and complexity of the internet, and love making sense of huge amounts of data, we'd love to hear from you. Apply now if this sounds like you! Data Science, Data Scientist, Python, SQL, Network, Data Scientist, Networks, Internet, Data Scientist, BigQuery, 7 layer OSI, Computer Science, Data Scientist, Network Engineer, Network Engineering, Network Circle Recruitment is acting as an Employment Agency in relation to this vacancy. Earn yourself a referral bonus if you refer somebody else who fills the role! We also offer an iPad if you refer a new client to us and we recruit for them. Follow us on Facebook - Circle Recruitment , Twitter - @Circle_Rec and LinkedIn - Circle Recruitment.

Data Scientist (Networking Focus) Salary: £70,000 - £75,000 Fully remote We're looking for a Data Scientist who truly understands how the internet works - not just someone who can analyse data, but someone who knows what's happening under the hood. You'll be joining a Join a pioneering start-up turning raw network data into real insight - mapping how the internet behaves in the wild and using that knowledge to build the next generation of secure, intelligent connectivity. If you can talk confidently about IPs, DNS, routing, and browsers - and you're just as comfortable writing complex SQL queries or Python scripts - this is the role for you. About the Role You'll be working with terabytes of raw network intelligence data - IP addresses, browser metadata, connection logs, and more - to uncover insights that help build out our products in new and detailed ways. This role sits at the intersection of data science and network research. You'll be responsible for: Working with massive, complex datasets using BigQuery in GCP.Writing efficient SQL and Python to clean, join and analyse data.Understanding how internet traffic, protocols, and data flows translate into meaningful patterns.Collaborating with researchers to make sense of raw network data and identify trends or anomalies. This is not a standard data science position. You'll need to understand how the internet actually functions - from the 7-layer OSI model through to how browsers and IP routing behave in the real world. What We're Looking For Essential: Strong background in Python and SQL (BigQuery experience ideal).Solid understanding of networking fundamentals - TCP/IP, DNS, HTTP, routing, IP addressing, etc.Experience handling and analysing large-scale datasets.Background in network engineering, cyber security, or computer science.A genuine interest in how the internet works at a deep technical level. You'll have access to vast datasets and the freedom to explore them - finding patterns and building insights that no one else has seen before. If you're excited by the scale and complexity of the internet, and love making sense of huge amounts of data, we'd love to hear from you. Apply now if this sounds like you! Data Science, Data Scientist, Python, SQL, Network, Data Scientist, Networks, Internet, Data Scientist, BigQuery, 7 layer OSI, Computer Science, Data Scientist, Network Engineer, Network Engineering, Network Circle Recruitment is acting as an Employment Agency in relation to this vacancy. Earn yourself a referral bonus if you refer somebody else who fills the role! We also offer an iPad if you refer a new client to us and we recruit for them. Follow us on Facebook - Circle Recruitment , Twitter - @Circle_Rec and LinkedIn - Circle Recruitment.

Senior Data Scientist - £75,000 to £85,000 + 3 days a week onsite Method Resourcing is supporting a high-growth data function in central London who are building out their Data Science capability and looking for an experienced Senior Data Scientist ready to progress into a leadership role. You'll join a flat-structured team of five (scaling to seven), with full end-to-end ownership of modelling, deployment, and stakeholder delivery. This is a team that truly owns their products: hypothesis, modelling, deployment, monitoring. If you want breadth, autonomy, and strategic impact, this is one of the strongest environments in London. They're looking for someone who can already operate at a senior level: confident presenting to senior leadership, able to mentor others, and capable of stepping into a Lead role within 1-2 years. The Role You'll act as the blend of: Data & AI evangelist - educating stakeholders on possibilities and translating technical outcomes to business value.Data specialist - shaping data science strategy, building production-ready ML models, and embedding best practice.Fixer/problem-solver - helping teams refine requirements, diagnose issues, and drive real commercial outcomes. Day-to-day you will: Translate complex business problems into research questions with quantifiable objectives.Identify, acquire, and work with structured and unstructured datasets.Build, validate, deploy, and monitor production ML models.Partner with data engineers, ML engineers, architects, and business teams to shape ML initiatives.Present insights clearly through strong data visualisation and storytelling.Uphold software engineering and MLOps best practices (testing, versioning, quality, automation).Contribute to governance, responsible model usage, and data quality standards.Mentor juniors and support code reviews. Required Experience You'll need: Strong Python experience and deep familiarity with mainstream ML libraries.Proven experience deploying and owning ML models in production.Experience working in cross-functional data teams.Strong stakeholder communication skills and the ability to explain commercial impact.Understanding of ML Ops vs DevOps and broader software engineering standards.Cloud experience (any platform).Previous mentoring experience. Nice to have: Snowflake or DatabricksSpark, PySpark, Hadoop or similar big data toolingBI exposure (PowerBI, Tableau, etc.) Interview Process Video call - high-level overview and initial discussionIn-person technical presentation - based on a provided exampleIn-person deep dive - code, design decisions, improvementsFinal HR video stage Why Apply? A clear, supported pathway to Lead within 1-2 yearsHigh ownership, flat structure, real autonomyWork with highly capable engineers, scientists, and architectsBuild models end-to-end and see real business outcomesCollaborative, modern, technically strong environment RSG Plc is acting as an Employment Agency in relation to this vacancy.