Canva★4.3 (32)· London

You'll work with Python, PyTorch, vision-language models (Gemma, Qwen-VL, SmolVLM, MiniCPM-V), optimization techniques (quantization, pruning, distillation, hardware-specific compilation, task-specific fine-tuning), and on-device runtimes (Core ML, LiteRT/TFLite, ONNX Runtime, ExecuTorch). The Video Storytelling team builds models and systems behind Canva’s video AI, partnering with the Edge AI group to explore on-device deployment. This internship optimizes a video-capable VLM for on-device intelligent captioning on consumer phones.

Build the Guardian Android news app in Kotlin and Java, using Jetpack Compose, Coroutines & Flow, MVVM, WebViews, Jetpack libraries and modular architectures, with CI/CD and testing. As a Staff Engineer on the Apps Experience team, you'll set technical direction and mentor engineers across multiple teams.

Deutsche Bank★3.8 (3.5k)· London

You will work with Oracle Exadata, Autonomous, RAC, ASM, DataGuard, PL/SQL, Python, Ansible, Bash, Java, and Git. The Global Database Engineering Team manages the relational database platform and builds automation to keep business systems operational. You will develop automation scripts, evaluate database tools, and provide L3 support.

Work with OCaml (functional programming) and Python for data analysis, visualization, and machine learning to design and build systems and tools across the firm—from trading desks and accounting to infrastructure like network monitoring and risk models.

Wells Fargo★3.6 (48k)· London

You'll work with Python, SQL, cloud and DevOps practices, AI/ML and Large Language Models, plus Axiom ControllerView on the Enterprise Functions Technology team. The role enhances and supports regulatory reporting platforms used by Wells Fargo's Finance Controllers organization.

CoreWeave's Inference team builds and operates a Kubernetes-native cloud platform for massive-scale GPU workloads (AI/ML, VFX, rendering, real-time inference). The role works with Go, Python, C++, Kubernetes, and inference frameworks like vLLM, Triton, TensorRT-LLM, Ray Serve, or TorchServe, plus GPU systems (CUDA, NCCL, RDMA). It leads cross-team architecture, routing, scheduling, and performance optimization under P99 SLAs.

Nationwide Building Society★3.7 (1.1k)· London

You will work with Python, Azure cloud, machine learning, deep learning (transformers, autoencoders), large language models, Generative AI, Natural Language Processing, and prompt engineering. As part of Nationwide’s AI Centre of Excellence, you will build scalable classifiers, predictive models, and GenAI applications to optimize business decisions and automate processes.

Anaplan★2.7 (15)· London

Develop ML models (LightGBM, XGBoost, PyTorch) and pipelines using Python, Pandas, SQL, dbt, Snowflake, MLflow, and Optuna on AWS/GCP/Azure. The role designs and deploys custom analytic “engines” that integrate into Anaplan’s platform to solve enterprise business problems like demand sensing and time-series forecasting. No team size is stated.

JPMorgan★3.9 (20k)· London

Java/Springboot, Kotlin, DynamoDB, Aurora/MySQL, AWS, Kubernetes, and Kafka drive the event-driven microservices architecture. The team builds and maintains integrations with digital asset providers and infrastructure (on/off ramp) for J.P. Morgan Personal Investing’s mobile and web apps.

Nationwide Building Society★3.7 (1.1k)· London

Software Engineer specializing in Java, Spring Boot, Kubernetes, and OpenShift. You will design, develop, and maintain Java-based APIs and microservices for the Speed Layer, which provides near real-time data services to support member journeys across Internet Banking, Mobile App, and Open Banking.

Work in Python to develop quantitative research and trading frameworks, automate data preparation, and productionise trading strategies. You’ll collaborate with Quantitative Researchers and Portfolio Managers to enhance the research platform supporting QRT’s global quantitative investment strategies.

Wells Fargo★3.6 (48k)· London

Principal Engineer working with Java, Python, C++, FIX protocol, and low-latency systems within Wells Fargo Securities’ Electronic Trading Technology. The role builds cross-asset electronic trading platforms for Rates, including pricing, market making, and order routing, and defines AI-assisted engineering practices using LLMs and Model Context Protocol (MCP).

You will work with Snowflake, SQL, Python/Java/R, REST APIs, JSON/XML, and dbt. The Security Data Analytics team builds data pipelines, models, and automation to turn security signals into analytics-ready data for Information Security teams. This is an individual-contributor backend data engineering role.

Design, build and maintain Dynamics 365 and Power Platform solutions (including Power Apps, Power Automate, PCF controls) using JavaScript, React, Angular and TypeScript. The role supports Genomics England’s internal systems for research and clinical programmes, specifically the Newborns and Research products.

You will work with Python, TensorFlow, PyTorch, Spark, Ray, AWS/GCP, Graph Neural Networks, knowledge graphs, LLMs, and Agentic AI to lead machine learning strategies for Tripadvisor’s core discovery engine. The role focuses on building and deploying multi-objective ranking, recommendation, and user modeling systems that power search and itinerary planning for millions of users. As Principal Scientist, you will guide technical roadmap, mentor senior scientists, and bridge research with scalable production systems.

Work with React, modern JavaScript, and TypeScript to build highly responsive, scalable UIs. You will join an elite technology company developing some of the highest-performing, most complex front-end platforms in the world, collaborating with top-tier engineers across frontend, backend, and infrastructure.

You'll work with Python, AWS, Kubernetes, distributed systems, APIs, and data pipelines to scale a data-intensive FinTech platform. This AI-driven platform transforms data infrastructure and workflow automation for global financial markets, and as the first Principal hire you'll roll out cross-team technical solutions while reporting to the VP of Engineering.

Build and optimize data pipelines using Microsoft Azure, ETL processes, and orchestration to integrate structured and unstructured data. This role is within the UK National Audit Office's Digital Services team, supporting data ingestion, storage, and access to underpin data-driven insights and automation.

You will work across the full model lifecycle, training and fine-tuning PyTorch-based diffusion/DiT models and using diffusers, transformers, torch.distributed, torchrun, Accelerate, and PEFT/LoRA, with Hugging Face datasets and ffmpeg for data. The team builds and scales generative video models for VEED's AI video creation platform, most recently releasing Fabric, a DiT-based speech-to-video model.

The AA★3.1 (797)· London

Design, build, and operate production-ready AI solutions using Python, Generative AI, LLMs, agentic systems, and RAG. As part of a newly established AI function at The AA, you will develop reliable backend services, APIs, and cloud-native applications.

You'll work with TypeScript, React, GraphQL, Node.js, Python, PostgreSQL, and IoT/cloud infrastructure. Mytos builds automated cell-production machines for biotech, and you'll develop full-stack software spanning experiment scheduling, image analysis, and remote device operation.

QA Engineer using Python for test automation, including UI and API testing within Python-based frameworks, along with Gherkin, Jira/Xray, Git, and CI/CD pipelines. You will join a cross-functional Agile squad building and evolving automated testing frameworks for the National Genomic Research Library and related healthcare software systems supporting genomics medicine and research.

Schroders★4.0 (47)· London

You will work with React.js, Next.js, Node.js, cloud-native technologies, CI/CD, and AI-assisted tools. The team builds and supports digital platforms for content management, search, analytics, and client engagement. No team size is stated.

You will design and maintain automated test frameworks using Java, Selenium, and RestAssured, creating UI, API, and regression tests within cross-functional Agile squads. Genomics England develops complex healthcare software systems enabling genomic medicine and research.

Wise★3.5 (42)· London

Work with Python, deep learning image models, and large image/tabular datasets to train and manage machine learning models. You will join the KYC Global and Onboarding Team, building Document verification systems that mitigate risk during customer onboarding.