big data developer jobs in Welwyn Garden City

You will be responsible for: Proactively sourcing and hiring great talent for Tesco Technology, this may be for a specific technology vertical or could be across multiple verticals as the business needs. Using social and professional media platforms to attract passive candidates, building talent pools and candidate pipelines to service future hiring needs of the business.

You will be responsible for • Define and own the vision, strategy and roadmap for the Finance Data Platform, aligning strategic priorities, dependencies and outcomes across the finance data product portfolio. • Lead and develop a team of Product Managers and Associate Product Managers,

You will be responsible for designing and implementing robust models, experimenting with new approaches, and translating business problems into data science solutions.

You will collaborate closely with Machine Learning Engineers and Software Engineers to ensure solutions are efficient, maintainable, and aligned with Tesco's technology standards.

You will work predominantly on opportunities in the UK and when needed across EMEA.

You will be an evangelist for Multicloud, Data & AI and Resiliency & Security services solutions within Dell Technologies and in the market. You represent Dell Technologies Services in the Dell Technologies organization through internal presentations, programs, community/practice leadership, training and enablement.

Senior Analyst – Hybrid (2 days/week, Hatfield)At Ocado Logistics, we’re transforming the future of logistics. With cutting-edge technology, expanding operations, and global partnerships, our mission is to deliver seamless, efficient, and customer-first experiences at scale.Our Planning & Analytics team sits at the heart of this transformation. We use data to unlock efficiencies, drive cost...

You will be the face of security group for them. Everything you do is in the context of the product, roadmap, its risk acceptance level, the technology stack, and its architecture. You build a comprehensive understanding of the threat landscape and its potential risks to the business.

You’ll be the face of our technical expertise, conducting compelling product demonstrations and technical presentations. By effectively communicating the value of our services, you'll help prospective customers understand how our solutions can solve their challenges. Building and maintaining strong client relationships is key; you'll act as a trusted advisor, guiding them through their...

A leading pharmaceutical company in the UK is seeking an Analytical Data Science Programmer to join their clinical study team in Welwyn. This role involves transforming statistical analysis plans into programming deliverables and ensuring compliance with regulatory requirements. Responsibilities include developing datasets and statistical outputs, collaborating on exploratory analyses, and...

What do you need? An excellent knowledge of Microsoft SQL Server programming (T-SQL) including excellent query, stored procedure, view and function development skillsA complete understanding of SQL Reporting ServicesStrong knowledge of other SQL Analysis Services and SQL Integration ServicesAdvanced Microsoft ExcelStrong analytical and presentation skillsDemonstrate skills in data conversion /...

You will work on impactful projects across multiple domains, collaborating closely with engineers and stakeholders. The ideal candidate possesses a strong background in machine learning and programming, alongside a higher degree in a quantitative field. This role offers opportunities for professional growth and a supportive work environment that values inclusivity and knowledge sharing.

You will be responsible for Technical Programme Managers (TPM) work with teams that deliver complex, cross-functional technology programmes that support colleagues and help serve our customers better. They work collaboratively, influence Product, Engineering, and business colleagues to deliver value quickly and often.

As Head of Technology Strategy & Operating Model, I drive the definition, socialisation & implementation of an overarching technology strategy, and the associated core end-to-end technology operating model. My team and I work across a broad set of senior stakeholders within Technology and the broader business to ensure a strategic balance between centralised governance and decentralised strategy...

A leading healthcare company is seeking a RWD Head Ready to apply Before you do, make sure to read all the details pertaining to this job in the description below. - TA Lead Neurology based in Welwyn. This role involves developing and executing strategies using real-world data to improve clinical program design and evidence generation. The candidate should have significant experience with RWD and...

About Reboot Monkey: Reboot Monkey is a leading provider of comprehensive data center management solutions, offering services such as managed colocation, smart hands, and rack and stack solutions. We ensure fast deployment, smooth operation, and secure management of critical digital data for businesses worldwide. Job Summary: We are seeking a skilled Procurement Specialist to manage supplier...

A leading retailer in the UK is seeking a Data Science Manager to support the development of data products. The role involves managing a team, designing simulation models, and translating business challenges into data science solutions. Candidates should have experience in simulation paradigms, programming skills in Python or Java, and familiarity with software engineering practices. The position...

At Roche you can show up as yourself, embraced for the unique qualities you bring. Our culture encourages personal expression, open dialogue, and genuine connections, where you are valued, accepted and respected for who you are, allowing you to thrive both personally and professionally. This is how we aim to prevent, stop and cure diseases and ensure everyone has access to healthcare today and...

A UK retail company is seeking a Data Scientist to develop machine learning and generative AI solutions that enhance customer experiences and optimize operations. The role includes designing robust models, collaborating with engineers, and communicating findings to stakeholders. Candidates should have a strong background in machine learning, statistics, and programming, preferably with a higher...

You will be responsible for: Develop Data Standards: Create and implement data standardisation policies and procedures to ensure consistency and accuracy of people-related data across the organisation. Data Governance: Establish and maintain data governance frameworks to support data standardisation initiatives for People data.

Job Description New for 2026, this internship brings together the best of general merchandise and fashion under one roof. It's all about helping you grow into a future leader in buying and merchandising-while working with great people, developing exciting products, and working on real commercial challenges. Salary: £26,000 pro rata Programme start date: 15 June 2026 Create product ranges for our...

You will be responsible Technology Strategy: - Lead the development of the Technology Strategy framework, collaborating with the extended leadership team to ensure a federated approach, with strategic topics owned by the most relevant teams. - Partner with Business Strategy & Planning to align and evolve the Technology Strategy alongside the business strategy, ensuring both iterate cohesively.