Senior Data Scientist jobs in Belfast

You will work across a variety of complex analytical problems, owning experimentation end-to-end—even when ideal conditions such as user randomisation or high statistical power are not present.

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 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.

Data Scientist - £70k | Remote / Hybrid | FinTech / Payments We’re working with an established FinTech / Payments business that has been helping customers manage and move money globally for many years. The company builds technology-led products that support low-cost, multi-currency payments and money management, operating across several regulated markets. They’re now investing further in their...

You will work on modernizing authentication and login experiences across multiple consumer applications, helping drive growth through high-quality user experience, experimentation, and data-driven decision making. This is a collaborative role, working closely with engineers, product managers, and cross-functional partners in a fast-paced environment.

You will design and build the systems that identify the signals that matter most for visibility, the retrieval and embedding architecture that feeds the models, the ranking and scoring framework that prioritises actions and the evaluation layer that measures how different LLMs behave across queries, surfaces and contexts.

Reports to: Technology Director / Executive Sponsor Location: Remote with occasional travel to London (2 times a month) Contract: Full-time, permanent Base Salary: £70,000 – £80,000 location and experience dependent + 10% company bonus scheme and sales commission scheme Why This Role Exists Serve Legal is entering a new chapter: evolving beyond compliance auditing into AI enabled,...

Job description. Senior Data Engineer Location: Belfast (Hybrid) Contract: Full-time, permanent This role sits within a global tech business operating at serious scale, where data underpins products used by millions of people every day. You'll join a high-performing engineering group responsible for building and evolving large, distributed data platforms that power analytics, insights, and...

You will be a key technical authority for Terraform across our Azure Data and AI platforms. What You’ll Be Doing In this role, you will: - Own and lead Terraform-based infrastructure design for Azure, ensuring scalability, security, and compliance by default. - Develop and maintain advanced Terraform modules, standards, and patterns used across multiple teams and environments.

Senior Data Engineer | Remote (UK or Europe) A leading prop trading firm is hiring a Senior Data Engineer to take ownership of their trading and market data infrastructure. Operating globally with connectivity to dozens of exchanges, the firm executes millions of trades daily with data playing a mission-critical role in every aspect of the business. This is a high-impact, high-autonomy role in...

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.

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.

Technology Recruitment Consultant Working Pattern: Remote-first (UK) Sector Focus: AI, Quantitative, Engineering The Opportunity: An established technology recruitment business is growing its delivery capability and is looking to add experienced recruiters to the team. The firm works exclusively with venture-backed startups and scaling technology companies, supporting highly technical hiring...

You will: Perform statistical, predictive, and prescriptive analysis across complex datasets. Design and implement scalable, end-to-end data science workflows. Build and deploy ML models that optimise energy use and system performance. Develop production-grade algorithms from R&D and exploratory research.

Huron is a global consultancy that collaborates with clients to drive strategic growth, ignite innovation and navigate constant change. Through a combination of strategy, expertise and creativity, we help clients accelerate operational, digital and cultural transformation, enabling the change they need to own their future. Join our team as the expert you are now and create your future. Data...

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.

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 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...

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

You willdo this whilst learning aboutnew technologiesand approaches, with talented colleagues that will help you to develop and grow.

You will support your colleagues and more junior developers, providing direction support as you solve challenging problems together.

You will lead the design and delivery of advanced AI/ML solutions that improve the functionality, scalability, and efficiency of Workday systems.

You will focus on cutting edge innovations, such as predictive analytics for workforce planning, anomaly detection in financial processes, and intelligent automation for Workday applications.