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CUJO AI

Senior Customer Solution Architect

Turn raw network data into actionable intelligence to unlock new revenue, improve operations, and drive deeper user engagement for large-scale network operators.

engineeringremoteUnited Kingdom, GBfull-time

Benefits:

  • Flexible Work

  • Team Gatherings

  • Career Growth

  • Performance Bonuses

  • Referral Rewards

Experience Requirements:

  • Strong technical background in networking, cloud services (AWS), and cybersecurity

  • 10+ years of combined experience in senior technical roles within large ISPs / NSPs

  • Proven experience in customer-facing technical roles (Solutions Architecture, Pre-Sales)

  • Excellent communication, presentation, and documentation skills

  • Proven ability to lead complex technical discussions

Other Requirements:

  • Experience with API and Mobile SDK integrations

  • Ability to collaborate across EMEA and AMER teams

  • Fluency in English

  • Stakeholder management capabilities

Responsibilities:

  • Engage with customers to understand business and technical requirements

  • Design and integrate CUJO AI products into customer environments

  • Lead technical workshops and architecture discussions

  • Deliver tailored demos and architecture walkthroughs

  • Lead proof-of-concepts and technical evaluations

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Cleo

Principal Machine Learning Engineer - Personalisation

Cleo is an AI money pro designed to simplify your finances. It offers budgeting, saving, credit building, and cash advance features, using AI to provide personalized advice and support.

engineeringhybridUnited Kingdomfull-time

Benefits:

  • A competitive compensation package (base + equity) with bi-annual reviews, aligned to our quarterly OKR planning cycles

  • Work at one of the fastest-growing tech startups, backed by top VC firms, Balderton & EQT Ventures

  • A clear progression plan.

  • Flexibility

  • Work where you work best.

Experience Requirements:

  • Experience in industry machine learning roles as a technical leader or principal/staff engineer.

  • Excellent knowledge of both Data Science (python, SQL) and production tools

Responsibilities:

  • Training and fine-tuning models to help customers get more value from our chatbot and app through deeper personalisation, creating a smarter & more engaging experience

  • Deploying these models into our production environments using our in-house ML platform, which you can read about on our blog: [Let's have an Espresso: MLOps at Cleo](https://web.meetcleo.com/blog/lets-have-an-espresso-mlops-at-cleo).

  • Integrating our models with LLMs hosted by OpenAI, Anthropic, GCP, AWS

  • Working cross-functionally with backend engineers, data analysts, UX writers, product managers, and others to ship features that improve our users’ financial health

  • Driving the adoption of appropriate state-of-the-art techniques for recommendation, message campaign optimisation, and contextual bandits.

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