AI Engineer at Diagonally Limited

Diagonally Limited is a technology development company focused on building AI-powered platforms, SaaS products, and digital tools for businesses. We work at the intersection of software engineering, artificial intelligence, and product design to create scalable, practical solutions.

Our team develops both proprietary products and technology solutions for clients across multiple industries. We operate as a globally distributed team and collaborate with engineers and professionals from around the world.

As we grow, we are recruiting talented individuals who are motivated to build high-quality technology and contribute to innovative projects to fill the position in the capacity below:

Job Title: AI Engineer

Location: England
Employment Type: Contract

Role Overview

• We are looking for a high-potential AI Engineer with strong fundamentals in Python, machine learning, and backend development.
• This role is ideal for engineers who want to work across LLM systems, machine learning models, and AI-powered web services.
• You will contribute to building AI systems used in real products, including document-based AI systems, predictive models, and backend services that integrate modern AI models into production software.

Responsibilities

• Design and implement AI pipelines that combine large language models with external knowledge sources
• Build backend services and APIs using Python frameworks such as FastAPI or Flask
• Develop and integrate machine learning models for prediction, classification, or forecasting
• Implement data ingestion pipelines for processing documents, datasets, or structured inputs
• Optimize AI systems for reliability, latency, and cost efficiency
• Collaborate with product and engineering teams to integrate AI functionality into web and mobile applications

Ideal Candidate

• 1–3 years of experience in software engineering, AI, or machine learning
• Strong technical curiosity and ability to learn quickly
• Comfortable working across both AI and backend development
• Demonstrates practical projects or experimentation with AI systems
• We prioritize engineers with strong potential and problem-solving ability rather than years of experience.

Required Technical Skills:
Programming & Backend Development:

• Strong proficiency in Python
• Experience building web APIs or backend services using FastAPI, Flask, or similar frameworks
• Understanding of REST APIs and backend architecture
• Experience with Git and collaborative development workflows.

AI / Machine Learning:

• Candidates should demonstrate knowledge in several of the following areas:
• Machine learning fundamentals (training, evaluation, feature engineering)
• Data analysis and model experimentation
• Time-series or predictive modeling (e.g., forecasting models)
• Experience working with datasets and building ML pipelines.

LLM & AI Systems:

• Familiarity with large language models (LLMs) and AI APIs
• Understanding of embeddings and semantic search
• Knowledge of Retrieval-Augmented Generation (RAG) systems
• Document processing and text chunking strategies
• Working with vector databases or similarity search systems
• Prompt design and response evaluation.

Data & AI Infrastructure:

• Experience handling structured or unstructured datasets
• Understanding of model evaluation and benchmarking
• Basic understanding of system scalability and performance optimization.

Preferred (Nice to Have):

• Experience with frameworks such as LangChain, LangGraph, or similar orchestration tools
• Experience deploying AI services or working with cloud infrastructure
• Familiarity with frontend frameworks (React or similar)
• Experience building AI-powered applications or experimental AI projects

Application Closing Date
26th March, 2026.

Method of Application
Interested and qualified candidates should send their CV to: ali@diagonally.co.uk using the Job Title as the subject of the mail.