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Avensys Consulting UK

Data Scientist

On site

London, United kingdom

Junior

Freelance

06-02-2026

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Skills

Communication Python SQL Data Engineering GitHub CI/CD Docker Research Machine Learning Scikit-Learn Regression Programming git Analytical Skills AWS cloud platforms Numpy Pandas Data Science seaborn GitHub Actions

Job Specifications

Role title: Data Scientist

Location: Heathrow, Waterside, UK

Job Type: Contract – Inside IR45

Rate: 450 GBP Per Day – Inside IR35

Role purpose: This role is responsible for developing industrialized optimisation and machine learning models as part of a full-stack product squad that delivers operations decision-support software

Skills/capabilities

Strong knowledge of either machine learning and optimization techniques, incl. supervised (regression, tree methods, etc.), unsupervised (clustering) learning, and operations research (linear, mixed integer programming, heuristics)
Fluent in Python(required) and other programming languages (preferred)with strong skills in applying DS, ML, and OR packages (scikit-learn, pandas, numpy, gurobietc.) to solve real-life problems and visualise the outcomes (e.g. seaborn)
Proficient in working with cloud platforms (AWS preferred), code versioning (Git), experiment tracking (e.g. MLflow)
Experience with cloud-based ML tools (e.g. SageMaker), data and model versioning (e.g. DVC), CI/CD (e.g. GitHub Actions), workflow orchestration (e.g. Airflow/Dagster) and containerised solutions (e.g. Docker, ECS) nice to have
Experience in code testing (unit, integration, end-to-end tests)
Strong data engineering skills in SQL and Python
Proficient in use of Microsoft Office, including advanced Excel and PowerPoint Skills
Advanced analytical skills, including the ability to apply a range of data science and analytic techniques to quickly generate accurate business insights
Understanding of the trade-offs of different data science, machine learning, and optimization approaches, and ability to intelligently select which are the best candidates to solve a particular business problem
Able to structure business and technical problems, identify trade-offs, and propose solutions
Communication of advanced technical concepts to audiences with varying levels of technical skills
Managing priorities and timelines to deliver features in a timely manner that meet business requirements
Collaborative team-working, giving and receiving feedback, and always seeking to improve team processes

Qualifications/experience

Master’s degree or greater in data science, ML, or operational research, or 2+ years of highly relevant industry experience(required)
0-2 years working on production ML or optimization software products at scale (required)
Experience in developing industrialized software, especially data science or machine learning software products (preferred)
Experience in relevant business domains (transportation, airlines, operations, network problems) (preferred)

About the Company

Avensys Talent Services, we provide greater business value to our customers by offering the best IT Outsourcing and Services. Finding the right help at the right time can be a daunting task. Avensys Consulting is a leader in providing technology enabled business solutions and services. Since its inception in 2007, Avensys has assisted clients in their IT transformation journey to use IT more efficiently improving their productivity and achieve business results such as increased agility, innovation and profitable growth. At... Know more