Work with modern component-oriented front-end frameworks/libraries, Azure, CI/CD pipelines, and test automation. Lead the Digital technical leadership team of a UK financial services company building digital products for retirement, investment, and protection needs. Mentor and coach other engineers as a specialist in UI/UX, accessibility, and front-end performance.

Founding Backend Engineer role at a VC-backed collaborative AI startup. You will architect infrastructure for an agentic collaboration platform, owning backend systems using TypeScript, Node.js, and PostgreSQL, and building real-time workflows for enterprise clients.

Lead, coach, and mentor engineers using Java and JavaScript frameworks. The client is a healthcare provider building modern, scalable products to deliver world-class patient experiences across the UK as part of a digital transformation.

You will build interactive 3D subsurface visualizations using WebGL/Three.js and collaborate with the ML team to integrate explainable AI models. The role involves owning the user experience for a subsurface mapping platform that helps global mining leaders make drilling decisions. You will be the first product engineer at Material Difference, a venture-backed Cambridge University spin-out.

You'll work with Python, FastAPI, TypeScript, React, and GCP to build services, data models, and APIs for a behavioral simulation platform that creates "digital twins" of populations. The team of 17 at Electric Twin is building this platform to help organizations predict human behavior with 95% accuracy.

Build features with React, TypeScript, and Python or Node.js, designing data pipelines and analytics for a database of 9M+ clinician profiles. G LNK is an AI-powered healthcare commercial intelligence platform using LLMs, vector search, and semantic retrieval to connect pharma with medical experts. You'll work directly with the CTO and CEO.

Product Engineer role working with TypeScript and Python, owning full-stack feature development from database schema design (Postgres) to frontend interactions. You’ll build tools enabling Fortune 500 organizations to test strategies via large-scale AI simulations, collaborating directly with the CTO and CPO.

Build full-stack products from scratch using TypeScript, React, Node.js, Python, JavaScript, SQL/NoSQL databases, Google Cloud, and AI/ML/LLM tooling. The ITO builds proprietary AI infrastructure, consumer/enterprise digital products, and the data/intelligence layer for Steven.com's creator-economy operating system. You will work directly with the VP of Engineering and product leaders on features and strategy.

You will develop real-time object detection, multi-target tracking, and sensor fusion algorithms using Kalman filters, deep learning, and data from EO/IR cameras, radars, and IMUs. You will interpret sensor ICDs and deploy perception software on SWaP-constrained airborne platforms, collaborating with autonomy and integration teams for Hivemind-powered unmanned aircraft operating in contested environments.

You will use Azure Databricks, Azure Data Factory, Azure Data Lake Storage Gen2, and Azure SQL/PostgreSQL; develop in Python, Scala, and SQL; and work with Spark, CI/CD, Git, and Docker to build data pipelines. These solutions support HR and employee lifecycle processes within the company.

Senior Quality Engineers will build AI Agents, test frameworks, CI tooling and helpers using LLMs and AI tooling, working with GitHub Actions and observability (Datadog, Sentry, Grafana) across an AI-assisted testing function. The team defines Lendable's test pyramid, improves E2E automation, and partners with product and engineering to shift quality left across credit products.

You'll work with AI agents, LLMs, test frameworks, CI tooling (GitHub Actions), and observability stacks (Datadog, Sentry, Grafana) to automate quality across Lendable's fintech credit products. The role enables cross-functional product teams to maintain high quality through hands-on coding, AI-assisted test authoring, and shift-left practices.

You'll work with Java (8, 17, 21), React/TypeScript (or Angular/Vue), and REST APIs to sustain current environments and deliver new capabilities across full-stack development. You will also mentor less experienced engineers through code reviews and technical guidance.

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.

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.

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

A Data Architect role at Methods Analytics, working mainly remotely with travel to client sites, designing end-to-end data solutions, migrating legacy systems, and setting technical standards. The position requires deep knowledge of the Azure data stack (Azure SQL, CosmosDB, ADF, Purview, Synapse, Databricks), data modelling, Kafka, and Delta Lake, and may require UK security clearance.

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.

Tech Lead role using Java, Kotlin, Python, JavaScript/TypeScript, Spring, and Node.js to build cloud-based digital banking solutions. The consultancy helps clients build, launch, and run digital banks. You lead a team of engineers, contributing to system architecture, coding, and strategic decisions.

You'll work with AWS CDK, Kubernetes on EKS, CircleCI/GitHub Actions, Lambda, ECS, Redshift, RDS, Kafka, Flink, Redis/Valkey, Datadog, and TypeScript/Python/Bash. The Platform Engineering team builds the tooling, automation, and infrastructure that development teams use to build, deploy, and run software on Sparta's commodity trading platform.

PlayStation★3.8 (164)· London

Design, build, and optimize data ingestion, transformation, and enrichment pipelines using SQL, Snowflake, Python, and REST APIs. You will join the Security Data Analytics team at PlayStation, developing data products and pipelines that help Information Security teams understand security posture and risk trends. This is an individual contributor role; no team size is stated.

Luxoft★4.5 (669)· London

Lead the architecture of production-grade LLM orchestration and multi-agent systems using LangGraph or LangChain, working with Python (asyncio, FastAPI), TypeScript (Next.js/React), AWS (ECS Fargate, Lambda, SQS, Aurora, Neptune), and AWS CDK or Terraform. The team is developing an Agentic AI solution to generate investment insights from sales and research materials for client meetings.

Sumitomo Group★3.7 (463)· London

Work with SQL Server, Azure, Python, C#/.NET, JavaScript, Alteryx, Microsoft Fabric, PowerBI and DealCloud. Build backend databases, ML models and front‑end tools for the Private Markets team’s European LBO direct lending and private credit vehicles. The Data and Analytics team is adding its third key member to lead data‑platform engineering.

NatWest Group★3.7 (1.2k)· London

You will work with GitLab, Artifactory, Ansible Automation Platform, Kubernetes, ArgoCD/Flux, and cloud-native technologies. You will lead the Engineering Platforms team delivering modern software development tools for over 25,000 engineers across the bank, shaping the CI/CD strategy, observability stack, and automation frameworks.

You will work with ReactJS, NodeJS, MongoDB, and AWS. The team builds a web-based SaaS platform for private equity, venture capital, and alternative investment firms to manage investing, fundraising, and operations. This senior role includes leading and mentoring junior engineers.

KPMG★3.8 (9.9k)· London

Develop web applications using C#, ASP.NET Core, TypeScript, React or Angular, and deploy on Azure Kubernetes Service with containers. You'll work on modernising tax and legal services for KPMG, building cloud-first microservices and client-facing portals for a team of 300+ technologists.