Own AI engagement outcomes from success definition through production delivery. Design and evaluate end-to-end AI and GenAI systems, manage technical risk and trade-offs, communicate with clients, lead code reviews, resolve technical disagreements, mentor engineers, and develop reusable components and best practices. Deploy models and LLMs on AWS or Databricks with strong testing and CI/CD practices.
As trusted partners of AWS and Databricks, we help organisations design, build and scale intelligent systems that deliver measurable business outcomes. We lead from the front in Generative and Applied AI adoption — guiding clients from uncertainty to confident, production-grade delivery.
We are looking for a talented Senior Applied AI Engineer where you will own the outcomes of an engagement or workstream: defining success, measuring business impact, and managing delivery and technical risk.
You will design AI and GenAI systems end-to-end, guide other engineers, and act as a trusted technical contact for clients.
The role is remote based in UK with the occasional travel to company events.
We are looking for a talented Senior Applied AI Engineer where you will own the outcomes of an engagement or workstream: defining success, measuring business impact, and managing delivery and technical risk.
You will design AI and GenAI systems end-to-end, guide other engineers, and act as a trusted technical contact for clients.
The role is remote based in UK with the occasional travel to company events.
Key Responsibilities
- Delivery & impact: Own workstream and engagement outcomes; define success, measure business impact, and balance technical debt, speed and scalability.
- AI & engineering craft: Design AI systems end-to-end across the lifecycle; make and justify key trade-offs; evaluate model performance beyond simple accuracy.
- Collaboration: Explain AI concepts, trade-offs and limitations to technical and non-technical clients; lead code reviews; resolve technical disagreements constructively.
- Growth & capability: Mentor engineers; contribute reusable components, accelerators and best practice; continuously improve how the team delivers.
Skills, Knowledge and Expertise
- Proven track record delivering AI models, systems and products to production in a consultancy or AI-driven product organisation.
- Strong programming (Python and the wider tech stack), system design and testing methodologies.
- Experience integrating models / LLMs and deploying on cloud platforms (AWS and/or Databricks), with solid CI/CD practice.
- Able to own delivery, manage stakeholders, and guide other engineers with confidence.
Desirable
- Depth in a speciality: GenAI/ML (RAG, agentic workflows), Data Science, Data Engineering, Product/Full-Stack, or Platform/MLOps.
- AWS and/or Databricks certifications; experience of responsible-AI and production monitoring.
Benefits
- Remote-first working with flexibility around client needs.
- Private Medical Insurance.
- Opportunity to work on meaningful AI projects across multiple industries.
- A collaborative culture focused on learning, excellence and continuous improvement.
- Competitive salary with clear progression pathways.
About
We are passionate about helping businesses navigate the rapidly changing and complex world of emerging technologies. We create well-structured, secure, scalable solutions at speed to provide the foundation for groundbreaking change.
Nasstar Belfast, Northern Ireland Office
Belfast, United Kingdom
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What you need to know about the Belfast Tech Scene
If asked to name the birthplace of the RMS Titanic, you might not say Belfast. Similarly, if asked to name Europe's leading destination for foreign direct investment in new software development, Belfast might not come to mind. Yet, both are true. The city has emerged as a tech powerhouse, recently ranked among the best in the U.K. for tech careers — especially for software developers. It also leads the U.K. with the highest percentage of software development jobs advertised.
