JPMorgan★3.9 (20k)· London

In this role, you will work with Go, Python, Java, Kubernetes, Terraform, and public cloud providers like AWS, Azure, or GCP. You will help build a new Identity and Access Management (IAM) team within JPMorgan's Public Cloud Engineering organization. As a Lead, you will guide architecture, mentor engineers, and drive platform services for cloud infrastructure.

You will use PyTorch or JAX, Python, and DFT packages like VASP or Quantum Espresso to develop machine learning interatomic potentials (MLIPs) that accelerate discovery of advanced functional materials by integrating ML with first-principles physics and automated experimental data.

Fine-tune and distill small language models (Llama, Mistral) using quantization (GGUF, AWQ) and inference engines (vLLM, TensorRT-LLM). Presential Limited builds the privacy layer for enterprise AI, enabling tier-1 banks to securely use sensitive data with external models. As founding AI engineer, you’ll own the model layer and ship production solutions.

You will lead a UK data team across Data Science, ML Engineering, Analytics Engineering, and Data Engineering, working with GCP, Databricks, and Redshift. The team supports Juniper, a weight-management program combining GLP-1 medication with clinical and behavioural care. You will manage 4-5 people and oversee migrations from Databricks and Redshift to GCP.

News UK★3.8 (59)· London

Figma, design system tokens and components, prototyping, and HTML/CSS at reading level. You will design parts of the reading experience, subscriber journeys, newsletters, and newsroom tools across The Times’ app and web. The product design team is about twelve people.

News Corp★3.5 (70)· London

Design in Figma, with HTML/CSS literacy and curiosity about AI tools. You will ship digital products for The Times and Sunday Times — reading experience on app and web, subscriber journeys, newsletters, and newsroom editorial tools.

Methods Business and Digital Technology★4.5 (2)· London

Design, build and improve ETL/ELT pipelines using SQL, Python, Apache Spark (PySpark/Spark SQL), Azure Data Factory or Airflow, Docker, and CI/CD. You will support client engagements to stabilise business-critical processes and establish repeatable data foundations across enterprise systems, working with data from Ariba, Workday, or SAP S/4HANA.

Barnet Council★3.4 (42)· London

Lead Barnet’s Pension Fund team, providing strategic leadership across all aspects of the Council’s LGPS pension fund. Oversee governance, administration and compliance, supporting the Pension Committee and Local Pension Board. Report to the Assistant Director of Finance as part of the senior leadership team.

Imperial College London★4.2 (238)· London

Wellcome Trust-funded postdoc at Imperial College London developing deep neural networks for volumetric voltage imaging of mammalian brains, using optimisation, signal processing, lightfield imaging, and model-based deep learning/training.

Sovos★3.3 (105)· London

Lead partner and internal enablement strategy at Sovos, a global tax-compliance software provider, working with ERP platforms like SAP, Oracle and NetSuite plus enablement tools (Mindtickle, Seismic, Highspot). Drive AI-forward certification programs and create technical assets (reference architectures, ERP integration guides) for partner and internal teams.

You will work with Python, deep learning image models, machine learning and large image and tabular datasets. The KYC Global and Onboarding Team implements ML models and systems supporting Document verification for customer onboarding. You will own the full lifecycle of these models and mentor junior team members.

Glasswall★0.0· London

You'll work with C++, C#, Python, Assembly, and tools like static/dynamic analyzers, debuggers, disassemblers, detonation chambers, and agentic AI. As a Senior Security Researcher on a small team, you'll investigate threats to Glasswall's Content Disarm and Reconstruction technology through vulnerability research, penetration testing, and malware analysis.

In this role, you will conduct security assessments, develop policies, and identify vulnerabilities for AI systems and applications. You will provide compliance expertise and collaborate with cross-functional teams.

Flutter Entertainment★3.9 (96)· London

You will use generative AI coding tools (ChatGPT, Claude, Midjourney) and Python for prototype development, while conducting technology horizon scanning and evaluating new AI platforms. The Frontier R&D team identifies and prototypes emerging technologies over a 12-36 month horizon for Flutter’s betting and gaming brands. This is a graduate-level individual contributor role.

You will design and train custom deep-learning models and fine-tune large language models using Python, TensorFlow, or PyTorch. The work involves leading research for Kangal AI, a venture building frontier AI for governments and security clients. You will own the entire model stack and scale a research team as a founding hire.

You'll own the shared chat design system across Figma, web, iOS, and Android. The Assistant Experience team builds Wise's AI-native interaction layer—the chat interface, component library, and conversational patterns that every product team builds on.

Brown-Forman★3.6 (194)· London

The Marketing Director will drive AI transformation within the marketing organization, leveraging advanced AI, the existing MarTech stack, and tools like generative AI and automated dashboards. This role defines and implements the company's marketing AI strategy across the entire marketing ecosystem, optimizing processes such as brand planning, campaign development, and media planning. The position leads and collaborates within a cross-functional AI Center of Excellence (COE).

Senior Customer Success Manager role owning client relationships for a secure AI knowledge platform that helps lawyers draft, negotiate, and review contracts. You will drive adoption of AI-powered workflows (machine learning, generative AI, language analytics) on a small, fast-moving team.

Work with Python, Nextflow/Snakemake, SMILES/SMARTS/SAFE, molecular fingerprints, LC-MS/MS data (mzML, MSConvert), and spectral databases (GNPS, MassBank, MoNA) to build schemas, QC pipelines, and datasets. You'll join Novogaia's small team creating foundation models that predict molecular structure from mass spectrometry data for natural-product drug discovery.

You'll work with Python, reproducible/containerized pipelines, cheminformatics representations (SMILES, InChIKey, fingerprints), and computational mass spectrometry. Novogaia is an applied AI drug discovery company building foundation models for molecular structure prediction from mass spectrometry data, and you'll own the design of internal benchmarks and evaluation pipelines for these models.

Imperial College London★4.2 (238)· London

You will develop novel AI methods advancing fairness, interpretability, robustness, safety, privacy and human-AI interaction. You join the Dyson School of Design Engineering to conduct high-impact research and deliver teaching on fair and responsible AI, contributing to Imperial’s Science for Humanity strategy.

Glasswall★0.0· London

Work with Python, PyTorch, Scikit-learn, Hugging Face, Git, CI/CD, and MLOps tools to build, tune, and optimize machine learning, deep learning, and generative AI models. You will design LLM-powered systems (RAG pipelines, fine-tuning, agentic AI architectures) and production-grade pipelines within the Applied AI team at Glasswall. This hands-on role includes providing technical guidance and mentoring to mid-level and junior engineers.

Work with Go, Rust, Python, Java, or C++ and headless browsers (Chrome DevTools Protocol, Playwright, Puppeteer) to build large-scale web crawlers and data pipelines. The team develops infrastructure for acquiring massive amounts of public web data to train AI models, operating a distributed crawler via a bandwidth-sharing network and processing billions of videos, transcripts, and audio files.

Design, configure, and deploy SailPoint IdentityIQ solutions, developing workflows, rules, and connectors. Integrate with Active Directory, LDAP, HR systems, and business applications using Java. As part of AIG’s Identity and Access Management team, you will secure and manage user identities and access privileges.

Work with Python, Java, C++, TensorFlow, Keras, PyTorch, and optionally NLP, computer vision, and cloud platforms (AWS, Azure). The role at Demo Co. involves developing and implementing AI models and algorithms, integrating AI solutions into existing systems, and conducting research to enhance AI application performance.