
Data Scientist - SQL - GIT - Hybrid/London
On site
London, United Kingdom
£ 408 / day
Freelance
27-03-2025
Job Specifications
Job Title: Data Scientist - Hybrid/London
Location: London - twice a week (every Wednesday and Thursday)
Salary/Rate: Up to £408 a day Inside IR35
Start Date: April
Job Type: 12 Month Contract
Company Introduction
We are looking for a Data Scientist with excellent SQL Coding and GIT experience to join our client in the Telecommunication industry.
The successful candidate for this role will be able to work on site in Paddington two days a week (every Wednesday and Thursday).
The Data Scientist for this role will develop and operate big data products. You will build, maintain, optimise and automate data processes through pipelines, scripts and script control to maintain and improve data products, used to deliver insights to a wide range of clients. Working within an agile product development team, the role is jointly accountable for the quality, development and operation of the data products.
Required Skills/Experience
Experience in writing and deploying production ready code
Aptitude for problem solving
Strong understanding of databases and experience in writing analytical queries and data processes in SQL and or Python
Able to comprehend, define, and implement changes independently
Strong track record of defining and implementing data process changes independently
Self-motivated with good organisational and time management skills
Experienced in effective use of Git or similar for change control
Business awareness and aptitude for building and developing data products
Experienced in developing complex methodology, analysing data and visualising complex ideas to customers
Job Responsibilities/Objectives
Developing software or scripts required to deliver data products, including visualisation tools, databases and data processing systems
Developing new or improving existing methodologies, processes and products, and driving improvements in quality
Continuous improvement of the ability to deliver changes to products in a regular, reliable, and predictable manner through improving feedback loops throughout the product delivery process
Developing a thorough understanding of Mobile Network Data and its processing to be able to take full advantage of the data assets
Respond to technical issues in a professional and timely manner
Desirable Skills/Experience
Experienced in using CI/CD pipelines
Experienced in working with data used in transport modelling
Experienced in working in continuous delivery environment
Experience in analysing geospatial data and or GIS experience
Experience with processing large volumes of data
Tableau or similar data visualisation experience
If you are interested in this opportunity, please apply now with your updated CV in Microsoft Word/PDF format.
Disclaimer
Notwithstanding any guidelines given to level of experience sought, we will consider candidates from outside this range if they can demonstrate the necessary competencies.
Square One is acting as both an employment agency and an employment business, and is an equal opportunities recruitment business. Square One embraces diversity and will treat everyone equally. Please see our website for our full diversity statement.
About the Company
Fondée en 2018, Square One est une entreprise de service numérique (ESN), du Top 100 français, en pleine expansion proposant à une clientèle grands comptes de bénéficier de l’expertise et de la fiabilité de ses ingénieurs consultants pour l’analyse, le cadrage, le déploiement et l’exploitation de projets IT. Square One se positionne comme un « artisan » dédié à la transformation numérique de clients pour des activités de DevOps, de structuration cloud computing et de cybersécurité. Know more
Related Jobs


- Company Name
- Kingsley Green Recruitment
- Job Title
- Data Privacy Specialist
- Job Description
- Data Protection Coordinator Location: 12 Month FTC Keynsham, Bristol (with 2 days per month in the office) Purpose of the Role: To provide administrative support to the Data Protection Compliance team, ensuring effective management of data protection queries and incidents within the business. The role involves responding to compliance inquiries, managing data protection rights requests, and maintaining accurate records related to data privacy. Key Accountabilities/Responsibilities: Monitor and triage data protection queries received via the Group Data Privacy Inbox and other communication streams, providing basic responses as needed. Respond to data protection incidents, ensuring accurate records are created and maintained. Handle Data Subject Rights (DSR) requests and inquiries for UK brands and businesses, collaborating with various departments for timely and appropriate responses. Conduct searches for relevant data and apply statutory exemptions and redactions to data protection rights requests. Provide compliance tracking, manage response timelines, and assist in the preparation of reports as required. Experience/Qualifications: Essential: Understanding and experience with data protection (GDPR) and compliance processes. High level of written accuracy and clear communication skills. Good interpersonal skills with the ability to effectively engage with business stakeholders. Ability to perform basic risk assessments and root cause analysis, providing guidance and response recommendations. Proficiency with Microsoft Outlook, e-discovery tools, and maintaining spreadsheets and logs. Desirable: Experience in fulfilling GDPR Data Rights requests (e.g., DSAR, Deletion). Data Protection Practitioner certificate or equivalent, with expertise in GDPR/UK Data Protection Act compliance. Experience using OneTrust or other privacy management software. Knowledge of Canadian data protection regulations. Proficiency in European languages: Spanish, French, German, or Portuguese.


- Company Name
- SuperAnnotate
- Job Title
- QA Engineer/Code Evaluator - AI Chatbot Response Evaluations (Python)
- Job Description
- About the Role We’re hiring a QA Specialist with deep Python expertise to review evaluations completed by data annotators assessing AI-generated Python code responses. Your role is to ensure annotators follow strict quality guidelines related to instruction-following, factual correctness, and code functionality. Responsibilities Review and audit annotator evaluations of AI-generated Python code Assess if Python code follows prompt instructions, is functionally correct, and secure Validate code snippets using proof-of-work methodology Identify inaccuracies in annotator ratings or explanations Provide constructive QA feedback to maintain high annotation standards Work within Project Atlas guidelines for evaluation integrity and consistency Required Qualifications 5–7+ years of experience in Python development, QA, or code review Strong knowledge of Python syntax, debugging, edge cases, and testing Comfortable using code execution environments and testing tools Excellent written communication and documentation skills Experience working with structured QA or annotation workflows English proficiency at B2, C1, C2, or Native level Preferred Qualifications Experience in AI training, LLM evaluation, or model alignment Familiarity with annotation platforms (e.g., SuperAnnotate) Exposure to RLHF (Reinforcement Learning from Human Feedback) pipelines Why Join Us? Join a high-impact team working at the intersection of AI and software development. Your Python expertise will directly influence the accuracy, safety, and clarity of AI-generated code. This role offers remote flexibility, milestone-based delivery, and competitive compensation. Would you like a LinkedIn-ready version or help localizing this post to a specific country or region? #Python #QA #AI #Hiring #QualityAssurance #RemoteJobs #TechJobs


- Company Name
- Kingsley Green Recruitment
- Job Title
- Data Privacy Administrator
- Job Description
- Data Protection Project Administrator Location: 6 Month FTC Remote (with 2 visits per month to Keynsham, Bristol) Purpose of the Role: To support the Group-wide Data Protection Uplift Project, covering the UK, Ireland, EU, and Canada. This role involves tracking and managing various project activities, with a focus on identifying issues and ensuring compliance with new data protection policies, cookies, consent tracking, and other data privacy requirements across Group websites. Key Accountabilities/Responsibilities: Act as a liaison between the Uplift Team and IT teams in each country to implement new registration, privacy policies, cookie policies, and consent pop-ups across all IVC Evidensia Group websites in the UK, EEA, and Canada. Provide accurate tracking and logging of local requirements, troubleshooting, and preparing reports as needed. Collaborate with the DP Uplift team, including IT, DP Compliance, and Legal teams, in a collegial and proactive manner. Assist the Uplift Team with various general Data Protection requirements, including retention programs, ROPA (Record of Processing Activities), Privacy Impact Assessments (PIAs), anonymisation/pseudonymisation, and analytics workstream implementation. Experience/Qualifications: Essential: Strong IT skills and a solid understanding of website development. Experience and understanding of data protection (GDPR) and general compliance practices. Familiarity with GDPR cookies and consent management tools, particularly OneTrust. Ability to quickly learn, identify key stakeholders across the business, and communicate clearly and effectively. High level of written accuracy, clear communication skills, and strong interpersonal abilities. Ability to perform basic risk assessments, root cause analysis, and explain/recommend actions to business stakeholders. Experience with website development and testing, and maintaining spreadsheets and logs. Desirable: Experience with FMCG or other B2C website development and management. Experience with OneTrust or other privacy management software. Background in telecoms, technology, or other tech industries is a plus. Proficiency in European languages such as Spanish, French, German, or Portuguese.


- Company Name
- Lorien
- Job Title
- Data Solutions Architect - Data Governance Exp
- Job Description
- Data Solutions Architect - Data Governance Exp Inside IR35 2 days per week on-site in London £590 per day Job Overview Currently 1 year into programme to transform and manage curriculum. They have implemented data framework and need to bring in data foundation/ building blocks. Job Requirements Capable of handling ambiguous requirements, identifying NFRs, and creating designs that meet objectives Able to understand the business drivers for change, critical deficiencies, and opportunities for improvement Leading design activities across complex business functions with multiple stakeholders Discovering and analysing requirements, understanding the context, identifying, and assessing alternative solutions and advising on configuration Define the principles, guidelines, standards, and solution patterns to ensure solution decisions are aligned with the enterprise's future-state architecture vision. Direct the governance activities associated with ensuring solutions architecture assurance and compliance. Technical Experience in data governance and data quality tools in an enterprise (Collibra, Informatica, etc) Awareness of Azure and AWS cloud data toolsets. Experienced in providing cloud data patterns for Azure and AWS. Strong knowledge of data governance and data quality frameworks and tools Skilled in solution in relation to data cataloguing, metadata management, and data lineage tracking. Interpersonal Excellent communication and interpersonal skills. Strong analytical and problem-solving abilities. Ability to work collaboratively in a team environment. Leadership skills with the ability to influence and drive initiatives.