Data Scientist

Tata Consultancy Services
Stevenage
2 weeks ago
Applications closed

Related Jobs

View all jobs

Data Scientist

Data Scientist

Data Scientist

Data Scientist

Data Scientist

Data Scientist - active NPPV3 required

If you need support in completing the application or if you require a different format of this document, please get in touch withator callTCS London Office numberwith the subject line: “Application Support Request”.



Role:AI/ML and Data Science Developer

Job Type:Permanent

Location:Stevenage (Hybrid)

Number of hours:40 hours per week – full time


Are you looking for an exciting opportunity as anAI/ML?Are you passionate aboutData Science?



We have an exciting role for you -AI/ML and Data Science Developer



Careers at TCS: It means more

TCS is a purpose-led transformation company, built on belief. We do not just help businesses to transform through technology. We support them in making a meaningful difference to the people and communities they serve - our clients include some of the biggest brands in the UK and worldwide. For you, it means more to make an impact that matters, through challenging projects which demand ambitious innovation and thought leadership.

  • Build strong relationships with a diverse range of stakeholders.
  • Gain access to endless learning opportunities.
  • Work closely with the range of teams within the business to bring products to life.



The Role

As aAI/ML and Data Science Developer, you are required to Design, develop, and deploy AI/ML models and solutions, including LLMs and GenAI. You will also be responsible for the end-to-end design, development, and deployment of AI/ML models, as well as implementing advanced data science techniques to solve complex problems and drive innovation. In this role you will collaborate with stakeholders to understand business and technical requirements and translate them into scalable AI/ML and data-driven solutions.



Key responsibilities:

  • Design, develop, and deploy AI/ML models and solutions, including LLMs and GenAI.
  • Perform feature engineering and selection to optimize model performance.
  • Select and implement appropriate AI/ML algorithms, including supervised, unsupervised, and reinforcement learning models.
  • Deploy models to production environments, ensuring robustness and scalability.
  • Monitor model performance and define strategies for identifying drift; retrain or refine models as needed.
  • Collaborate with cross-functional teams to integrate AI/ML models with business applications and systems.
  • Train, evaluate, and optimize models using machine learning and statistical techniques.
  • Conduct extensive data exploration, analysis, and preprocessing to ensure data quality for AI/ML applications.
  • Develop and apply data science methodologies to extract insights from large-scale structured and unstructured datasets.
  • Utilise predictive analytics, time series forecasting, and statistical models to drive business decision-making.
  • Stay updated on the latest advancements in AI/ML and data science technologies.
  • Develop and maintain comprehensive documentation for AI/ML pipelines, data workflows, and analytical processes




Your Profile

Essential skills/knowledge/experience:

  • Good experience in AI/ML development and data science.
  • Strong understanding of AI/ML algorithms and techniques, including LLMs, GenAI, and automated AI systems.
  • Experience with machine learning frameworks (e.g., TensorFlow, PyTorch) and data science libraries (e.g., NumPy, pandas, scikit-learn).
  • Proficiency in Python, R, or other relevant programming languages.
  • Proficiency in working with large datasets, data wrangling, and data preprocessing.
  • Experience in data science, statistical modelling, and data analytics techniques.
  • Experience with data analysis and visualization tools (e.g., Matplotlib, Seaborn, Tableau).
  • Ability to work independently and lead projects from inception to deployment.
  • Experience with big data technologies (e.g., Hadoop, Spark) and cloud platforms (e.g., AWS, GCP, Azure) is desirable.



Rewards & Benefits

TCS is consistently voted a Top Employer in the UK and globally. Our competitive salary packages feature pension, health care, life assurance, laptop, phone, access to extensive training resources and discounts within the larger Tata network.



Diversity, Inclusion and Wellbeing

Tata Consultancy Services UK&I is committed to meeting the accessibility needs of all individuals in accordance with the UK Equality Act 2010 and the UK Human Rights Act 1998.

We believe in building and sustaining a culture of equity and belonging where everyone can thrive. Our diversity and inclusion motto is ‘Inclusion without Exception’. Our continued commitment to Culture and Diversity is reflected across our workforce implemented through equitable workplace policies and processes.

You’ll find a welcoming culture and many internal volunteering and social networks to join (these are optional). Our diversity, inclusion and social activities include 12 employee networks such as gender diversity, LGBTQIA+ & Allies, mental health, disability & neurodiversity inclusion and many more, as well as health & wellness initiatives and sports events and we sponsor the London Marathon.

We welcome and embrace diversity in race, nationality, ethnicity, disability, neurodiversity, gender identity, age, physical ability, gender reassignment, sexual orientation. We are a disability inclusive employer and encourage disabled people to apply for this role.

If you are an applicant who needs any adjustments to the application process or interview, please contact usatwith the subject line: “Adjustment Request” or callTCS London Officeto request an adjustment. We welcome requests prior to you completing the application and at any stage of the recruitment process.


Next Steps

Due to a high volume of applications, we will be unable to contact each applicant individually on the status of their application. If you have not received a direct response within 30 days, then it should be deemed unsuccessful on this occasion.

Join us and do more of what matters. Apply online now.

Get the latest insights and jobs direct. Sign up for our newsletter.

By subscribing you agree to our privacy policy and terms of service.

Industry Insights

Discover insightful articles, industry insights, expert tips, and curated resources.

Top 10 Best UK Universities for AI Degrees (2025 Guide)

Discover the ten best UK universities for Artificial Intelligence degrees in 2025. Compare entry requirements, course content, research strength and industry links to choose the right AI programme for you. Artificial Intelligence continues to transform industries—from healthcare to finance to transportation. The UK leads the way in AI research and education, with several universities consistently ranked among the world’s best for Computer Science. Below, we spotlight ten UK institutions offering strong AI-focused programmes at undergraduate or postgraduate level. While league tables shift year to year, these universities have a track record of excellence in teaching, research, and industry collaboration.

How to Write a Winning Cover Letter for AI Jobs: Proven 4-Paragraph Structure

Learn how to craft the perfect cover letter for AI jobs with this proven 4-paragraph structure. Perfect for junior developers and career switchers. When applying for an AI job, your cover letter can make all the difference. For many, the process of writing a cover letter for an AI position can be daunting, especially when there are so few specific guides for tailoring it to the industry. However, a clear, effective structure combined with AI-specific language and examples can help you stand out from the competition. Whether you're a junior entering the field or a mid-career professional switching to AI, the following framework will make it easier for you to craft a compelling cover letter. In this article, we’ll take you through a proven four-paragraph structure that works and provide sample lines that you can adapt to your personal experience.

Veterans in Tech: A Military‑to‑Civilian Pathway into AI Jobs

Published on ArtificialIntelligenceJobs.co.uk – empowering the UK talent pipeline for artificial intelligence, data, and robotics. Introduction Leaving the Armed Forces is both a proud milestone and a daunting leap into the unknown. Whether you served with the Royal Navy, British Army, Royal Air Force or Royal Marines, one thing is certain: the skills you forged under pressure are in high demand—especially in the booming field of artificial intelligence (AI).  The UK’s AI market is expected to contribute £400 billion to the economy by 2030, with defence and security applications at its core. Employers from start‑ups to FTSE‑100 giants are crying out for disciplined professionals who understand mission‑critical environments. Ex‑service personnel fit the bill perfectly. This guide maps the military‑to‑civilian journey, signposts Ministry of Defence (MoD) transition programmes, and shows you exactly how to land your first AI role. Quick Win: Bookmark our live listings for Machine Learning Engineer roles to see which employers are hiring right now.