Senior Data Scientist with a GenAI focus

Tekaris GmbH; United Kingdom; Hybrid; GBP 70,000 - 90,000; Full time

Job summary

A leading data solutions firm in the UK seeks a Senior Data Scientist with a focus on Generative AI. This role involves collaborating with clients to design and deliver innovative AI solutions, requiring deep expertise in NLP and strong consulting skills. Applicants should have over 4 years in data science and proficiency in Python. A hybrid work model is offered, with a commitment to fostering a supportive and diverse workplace.

Benefits

Flexible work locations

Access to Well Being Coaches

Professional development opportunities

Qualifications

• Deep experience in NLP and Generative AI.
• Ability to combine critical thinking, creativity, and technical skill.
• Act as a trusted advisor translating technical to business impact.

Responsibilities

• Understand business needs for Generative AI solutions.
• Lead prompt engineering and LLM-based solution development.
• Implement Resource-Augmented Generation solutions.

Skills

Proven experience in LLM / Generative AI

4+ years in a data science or related role

Fluent in Python

Familiarity with Azure data services

Strong consulting and stakeholder management skills

Job description

Senior Data Scientist with a GenAI focus

Work Preference Option(s): Hybrid model | Work from Office | Work from Home

Welcome to an exciting opportunity where ambitious individuals are invited to join a team of inquisitive minds and supportive peers, all driven by a shared passion and diverse skills aimed at creating value for businesses through data.

Please note that this position is open as either a permanent or a contractor agreement.

About Us

We are Ascent! and we help our customers solve problems, elevate, and do existing things better. We are on a mission to help our customers connect data, software, and purpose to create extraordinary outcomes. You could say we are a digital transformation business.

We specialise in software product development, analytics, data science, IoT solutions, machine learning, DevOps optimisation, and modernisation of applications, data, and platforms.

We work with incredible clients in all types of industries such as smart home devices, space exploration, beer manufacturing, finance, ecology, and logistics. We work with some of the sharpest minds in the brightest businesses and we employ the sharpest minds too!

At Ascent, we also believe in fostering a vibrant office community where collaboration thrives and connections flourish. With our hybrid approach, we prioritise hiring individuals who reside in close proximity to our central offices in Bristol and London. We welcome applicants from all other areas in the UK, valuing diversity and recognising the unique perspectives each individual brings.

About the role

Join our rapidly growing Data Practice as we build cutting‑edge Generative AI solutions for clients across industries. In this role, you’ll work hands‑on with multi‑disciplinary teams to design, prototype and deliver AI solutions that tackle real business challenges. You’ll collaborate closely with clients, taking them on the journey from early adoption to full‑scale deployment, blending technical expertise with a strong consultative approach.

We’re looking for someone with deep experience in NLP and Generative AI (including RAG), who can combine critical thinking, creativity and technical skill to solve complex problems. You’ll act as a trusted advisor, translating technical possibilities into business impact while ensuring strong client relationships built on credibility and empathy.

Skills and Experience required

• Proven experience in LLM / Generative AI and RAG projects, ideally in a leadership or senior delivery role.
• 4+ years in a data science or related role, with hands‑on NLP experience.
• Fluent in Python, capable of rapidly prototyping solutions and delivering production‑ready code.
• Familiarity with Azure data services and cloud‑based AI infrastructure.
• Knowledge of best practices in model tuning, drift monitoring and optimisation.
• Strong consulting and stakeholder management skills; able to break down complex business problems and propose clear technical solutions.

What you will do

• Collaborate with clients to understand business needs and identify where Generative AI can add value.
• Lead prompt engineering and chain‑of‑thought reasoning to build LLM‑based solutions.
• Implement Resource‑Augmented Generation (RAG) solutions, optimising chunking, metadata and retrieval processes.
• Ensure all solutions follow Responsible AI principles.
• Rapidly develop demos to showcase the potential of Generative AI.
• Contribute to the development of Ascent’s GenAI methodology, frameworks and accelerators.
• Be an active member of Ascent’s Data Science and Generative AI communities, helping to evolve our capabilities and share knowledge across the organisation.

Working at Ascent

At Ascent we promote a healthy work‑life balance by offering flexibility in where you work. We also promote well‑being and provide access to Well Being Coaches.

Your development and learning will be taken seriously, and we’ll support your professional development with training and certification, regular feedback and review. It is a fun, supportive and modern workplace where we really live by our values of Empathy, Energy and Audacity! Ascent also offers a variety of benefits in each of our countries.

Ascent is an equal opportunities employer. We take intentional steps to ensure inclusion and belonging are real here, not just talked about. No person will be treated less favourably because of gender, pregnancy and maternity status, marital or civil partnership status, sexual orientation, race, nationality, ethnic origin, age, religion or belief or disability status. If you require any reasonable accommodation, please let us know when you apply.

If you have any questions contact our Talent Acquisition team on [e-mail].

For more details about life at Ascent, check out our Life Page.

Ascent is now an Acuity Knowledge Partner Company. Read here.

Our customers.

• Developing an intuitive online tool for exterior landscaping design.
• Bringing on‑demand to the UK’s favourite TV listing and review platform.
• RADIO TIMES
• Reducing cost, accelerating innovation and attracting new talent in healthcare.
• PREMIER – Taking CX to the next level with AI for 200,000 members.
• INSTITUTE OF CHARTERED ACCOUNTANTS – Empowering the evolution of online learning for a leading global platform.
• LINKEDIN LEARNING – Improving health and well‑being through data transformation.
• GSK, BOSCH, BREWDOG, SWISS RE, PICMONKEY, HARRODS, RAIFFEISEN STEIERMARK, THE CROWN ESTATE, BDO, ENGLAND & WALES CRICKET BOARD, STRABAG, SYNGENTA, GRAWE, SKINSCREENER, HIVE, MEYER – Various specialised projects across industries.

Why join Ascent?

Joining Ascent means you’ll be involved in delivering exciting technology projects for leading global brands. You’ll be part of a growing team of super‑talented people who are actively choosing to join us on our journey rather than working in big corporates.

Your voice matters at Ascent. We are always keen to hear your opinions and ideas that come to you at 3am (some of them are definitely as good as they seemed at the time). You’ll develop your talent through our internal Academy, providing a wide range of personal development, up‑skilling and cross‑skilling opportunities.

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