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Calyptus

Founding AI Engineer

London
Posted 2 days ago
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Founding AI Engineer

Senior AI/ML Engineer – LLM & Agentic Workflow Systems

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About the Role

We’re building next-generation AI systems for business decision-making. Your mission will be to design, develop, and operationalise reliable, production-grade LLM and agentic workflows that turn data into actionable insights.

Key Responsibilities

  • Design and build production-grade LLM and agentic workflows for decision support.
  • Turn customer, market, and operational data into structured reasoning contexts for AI models.
  • Develop evaluation, tracing, replay, and quality-control systems for nondeterministic AI outputs.
  • Work on counterfactual analysis, forecasting, customer behaviour modelling, and decision support.
  • Improve reliability through structured outputs, retrieval-augmented generation (RAG), constraints, calibration, testing, and model comparisons.
  • Architect internal tools that enable repeatable AI workflows across customers and use cases.
  • Help define measurements for predictive utility, accuracy, and trustworthiness.
  • Collaborate directly with founders on product strategy, customer challenges, and technical architecture.

Reasons to use Rodeo

I’m in my final year doing Economics and I don’t know whether to apply for grad schemes now or do a masters first. What do you think?

Honest answer — it depends on where you want to end up. A lot of top grad schemes (Big 4, civil service, banking) don’t need a masters. Let’s look at the ones you’d be competitive for now, and we can decide if a masters actually adds anything.

Also worth knowing: most autumn 2026 applications are open now. Timing matters more than you think.

Start with a chat, not a search bar

Grad scheme, placement, apprenticeship? Not sure what you want yet — that's fine. Your agent talks it through with you and turns "I have no idea" into a shortlist.

P

Graduate Consultant — 2026 Scheme

PwC·London, UK
£35,000/yr

Why you're a good match

Strong

Your economics background and your summer at a regional bank line up with what PwC looks for on the consulting scheme. Applications close in four weeks.

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It searches the market for you

Every day your agent scans the market matching roles against what actually matters to you, not just keywords on a CV.

Why you're a good match

You’ve got the grades and the economics background, and your bank internship is exactly the experience this scheme looks for. Apply soon — deadlines close within the month.

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Strong

Experience fit

Your summer at the bank plus your econometrics coursework map directly to the day-one responsibilities on this scheme — client modelling, market briefings, and deal support.

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Strong

Only hits

No noise. No "maybe this fits." Just roles with a clear explanation of why they're right — and where to focus when applying.


What We’re Looking For

A strong fit would likely have:

  • 5+ years of engineering experience.
  • Proficiency in Python and a knack for building production-scale systems.
  • A background in ML, data science, or applied AI.
  • Hands-on experience with LLMs, agents, RAG, tool use, or AI workflows.
  • Experience designing evaluations, tests, metrics, or quality gates for AI/ML systems.
  • Judgement to manage hallucinations, uncertainty, failure modes, and validation strategies.
  • Comfort working with real-world datasets, SQL, APIs, and data pipelines.
  • Ability to debug both code and AI reasoning.
  • Strong product intuition: You should care whether outputs actually help users.
  • Autonomy in ambiguity: Thrives in unstructured or evolving environments.
  • Clear communication and integrity—prioritising accuracy over impression.

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Especially Relevant Experience

We’d love to see prior work in:

  • Production LLM applications or agentic systems.
  • Evaluation frameworks for LLMs or ML models.
  • Applied ML for forecasting, experimentation, analytics, or decision intelligence.
  • RAG, embeddings, vector search, structured extraction, or model orchestration.
  • Statistical analysis, A/B testing, causal inference, or model calibration.
  • Data products requiring traceability, auditability, or reliability.
  • Early-stage startups where you owned technical vision and implementation.

A note: Calyptus uses an automated assessment tool that scores applicants. Want to explore further? Sign up here and let the opportunities unfold.

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Skills

Python
Machine Learning
Data Science
Applied AI
LLMs
AI Workflows
Evaluation Systems
SQL
APIs
Data Pipelines
Debugging
Statistical Analysis
A/B Testing
Causal Inference
Calibration
Decision Support

Location

London, England, United Kingdom

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