Senior MLOps Engineer - FTC

Allica Bank; City of Westminster; Hybrid; GBP 65,000 - 85,000; Full time

Job summary

A financial technology firm in the UK seeks a Senior Machine Learning Engineer to build and deploy ML and LLM-powered applications delivering actionable financial insights. This 12-month fixed-term role offers the autonomy to influence UK SMEs positively. The candidate should excel in machine learning, Python, and have experience with LLMs. The position supports flexible working arrangements and includes comprehensive benefits, making it a great opportunity to impact the future of finance.

Benefits

Full onboarding support

Flexible working options

Regular social activities

Pension contributions

Discretionary bonus scheme

Private health cover

Life assurance

Enhanced maternity & paternity leave

Qualifications

• Strong technical ability in machine learning, NLP, or large language models.
• Hands-on experience with Python, PyTorch/TensorFlow, and OpenAI SDK.
• Strong knowledge of Classification and Time series models.

Responsibilities

• Build and deploy ML and LLM-powered applications delivering financial insights.
• Work end-to-end across the stack, collaborating with product and design.
• Ensure model interpretability for understanding insights.

Skills

Machine learning

Natural Language Processing

Large language models

Python

PyTorch

TensorFlow

Classification models

Time series models

Tools

OpenAI SDK

Job description

Role Description

As our ML engineer, you will: Build and deploy ML and LLM-powered applications that deliver actionable financial insights and decision support.

Work end-to-end across the stack: rapidly prototype and iterate with product and design to bring new features to life.

Ensure models interpretability and explainability, so SMEs can understand the "why" behind the insights.

Develop guardrails and fail-safes to guarantee AI outputs are trustworthy in high-stakes financial contexts.

Personal Attributes & Experience

We strongly value talent, agency, curiosity, and hunger.

• Strong technical ability in machine learning, NLP, or large language models.
• Hands‑on experience with Python, PyTorch/TensorFlow, and OpenAI SDK (or similar).
• Strong knowledge of Classification and Time series models.

Bonus points for

• Experience shipping LLM applications in production.
• Contributions to ML/AI projects and/or a portfolio of ML projects you've worked on.
• Achievements in competitive programming, STEM olympiads, or other indicators of exceptional technical ability.
• Peer‑reviewed publications.

Please note

This is a 12‑month fixed‑term role with possibility to extend longer.

Working at Allica Bank

At Allica Bank we want to ensure our employees have the right tools and environment in which to succeed in their role and in support of our customers. Our employees are at the heart of everything we do, so our benefits are designed with you in mind:

• Full onboarding support and continued development opportunities
• Options for flexible working
• Regular social activities
• Pension contributions
• Discretionary bonus scheme
• Private health cover
• Life assurance
• Family friendly policies including enhanced Maternity & Paternity leave

Don't tick every box? Don't worry if you don't have all the skills or requirements listed on the job description. If you think you'll be a good fit, we'd still love to hear from you!

Flexible working

We know the '9-to-5' isn't right for everyone. That's why Allica Bank is fully committed to flexible and hybrid working. Please let us know what is best for you and, if we can, we will do our best to accommodate.

Diversity

We're a diverse bunch here at Allica, with all kinds of experiences, backgrounds and lifestyles. Our openness and differences make us stronger, and we want everybody to feel comfortable bringing as much of themselves to work with them as they like.

About Allica Bank

Allica is the UK's fastest growing company - and the fastest-growing financial technology (Fintech) firm ever. Our purpose is to help established SMEs, one of the last major underserved opportunities in Fintech. Established SMEs are the backbone of local communities - representing over a third of our economy - yet have been largely neglected both by traditional high street banks and modern fintech providers.

Department Description

We're building the next generation of intelligent financial tools for SMEs, starting with an AI-powered Treasurer. Our platform will give business owners real-time visibility across accounts, AI-native cashflow forecasting, and smart treasury optimisations - redefining how small and medium-sized businesses manage money. We're looking for a Senior Machine Learning Engineer to join us at the ground floor and has the autonomy to make a real-world impact. This is an opportunity to have a positive impact on UK SME's and help shape the future.