Principal Data Scientist jobs in Belfast

You will help set the direction for AI and data science across the business, driving the adoption of modern AI development practices and scalable, cloud‐native architectures at enterprise scale.

You will provide technical and thought leadership, engaging with C‐level and senior stakeholders to define architectural principles and strategic direction.

Job Description Discover your future at Citi Working at Citi is far more than just a job. A career with us means joining a team of more than 230,000 dedicated people from around the globe. At Citi, you'll have the opportunity to grow your career, give back to your community and make a real impact. Job Overview Are you looking for a career move that will put you at the heart of a global financial...

Principal Software Engineer .NET £90,000-£110,000 Remote (UK) Do you thrive on building scalable solutions that power commerce worldwide? We're partnering with a rapidly expanding global payment platform fresh off a transformative acquisition. They're engineering a robust, merchant-centric ecosystem built on quality, resilience, and scale - and they need exceptional .NET Software Engineers to...

You will work closely with your colleagues in our Group Data Office within Technology & Innovation (T&I), and with senior managers and teams across our businesses to identify, prioritise, plan, and execute on opportunities to derive business value from data.

Data Scientist (Mid-Level) London (Bond Street) – 4 days a week in office (Mon–Thurs) Up to £65,000 + 10% bonus About the Company We're partnering with a high-performing international investment firm that works closely with ambitious, high-growth businesses to help them scale sustainably and create long-term value. Operating across Europe, the US, and Asia, this organisation combines deep...

About Intellias Intellias is a European-founded AI, Data and Software Development company with global delivery capability across Europe, India and Latin America. For more than 20 years, we've empowered our customers to embrace innovation at scale and contributed to the success of the world's leading brands. The company is featured in the Inc 5,000 Europe and IAOP Global Outsourcing...

A global financial institution is looking for a Data Scientist in Belfast. The role involves analyzing and presenting data to support capital management, requiring strong skills in SQL and Tableau. Candidates should possess an undergraduate degree and have experience with large datasets. This position offers a competitive salary, hybrid work options, and generous benefits including health...

You will be working as part of a wider team, dedicated to using to extract actionable intelligence from data, to deliver on a client's strategy.

You will liaise with internal and client SMEs to understand the data and technology landscape, propose and design analytics and AI solutions and deliver client outcomes.

Job description. Data Scientist Location: Belfast (Hybrid) Eligibility: UK work authorisation required (no sponsorship available) We're working with a client who's looking for a Data Scientist to join their growing AI & Data team. This role is a mix of hands-on project delivery and client engagement, giving you the chance to work across different industries on a variety of data and automation...

You will work on real production problems rather than research-only work, owning models from first iteration through to live deployment.

You will collaborate closely with other data scientists, data engineers, and DevOps, with the freedom to shape how GenAI and ML are used across the platform.

You will collaborate closely with experienced data scientists focusing on advanced challenges such as entity resolution at scale and graph modelling with Neo4J to produce graphical representations of potential fraud rings.

You will have opportunities to learn from and contribute alongside expert data scientists, and to coach and mentor emerging talent.

As a product-driven company founded by engineers, we know the value of a great engineering culture, and we're looking for a Principal DevOps Engineer to join a team built from the ground up on trust, teamwork and tight feedback loops. As a Principal DevOps Engineer you'll work collaboratively using a pragmatically-chosen modern tech stack (Kubernetes, AWS, Terraform, .NET) to help Gearset run a...

Principal Economics Consultant / Associate Director / Senior Associate Jacobs – Belfast, Northern Ireland, United Kingdom At Jacobs, we are challenging today to reinvent tomorrow by solving the world's most critical problems through innovative infrastructure, energy, and sustainable development solutions. Your impact - Shape the future of infrastructure, energy, and sustainable development. -...

You will design, build, and deploy production‐grade models using energy‐market data, asset telemetry, weather data, settlement data, and commercial datasets. This role is central to the evolution of our pricing, risk, trading, and optimisation engines.

You will collaborate closely with engineering, product, and commercial teams and work with a high degree of autonomy.

You will be working as part of a wider team, dedicated to using to extract actionable intelligence from data, to deliver on a client's strategy.

You will liaise with internal and client SMEs to understand the data and technology landscape, propose and design analytics and AI solutions and deliver client outcomes.

A global financial institution is seeking a Data Scientist to join their Markets Capital Advancement team in Belfast. The successful candidate will be responsible for data analysis, providing insights and recommendations to optimize capital management. Strong skills in SQL and Tableau are essential, along with a numerate degree. The role offers a hybrid working model and comprehensive benefits,...

A leading AI solutions provider in Northern Ireland seeks a Principal Data Scientist to lead large-scale AI projects and mentor a community of data scientists. The ideal candidate will have strong technical leadership and deep AI/ML expertise, capable of engaging C-level stakeholders. Join a diverse team committed to innovation and ethical AI practices. Competitive salary and career growth...

Are you looking for a career move that will put you at the heart of a global financial institution? Then bring your skills in data analysis, problem solving and presentation to working as a Data scientist in the Markets Capital Advancement team, to help Markets effectively manage capital. By Joining Citi, you will become part of a global organisation whose mission is to serve as a trusted partner...

You will work closely with our Healthcare Chief Technology Officer, account leads and delivery leaders to understand client needs, shape new opportunities, and design impactful Data and AI solutions that improve outcomes across the UK healthcare system.

You will shape data strategy, design and deliver fit-for-purpose data architectures, and provide assurance across all stages of delivery.

You will drive the adoption of modern AI frameworks, AIOps best practices and scalable cloud-native architectures.

You will do this whilst learning about new technologies and approaches, with talented colleagues that will help you to develop and grow.

You will manage, coach, and develop a small number of staff, with a focus on managing employee performance and assisting in their career development.