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.

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'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 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.

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 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.

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.

Build and maintain integrations between HubSpot, People Planner, and BigQuery using Python, SQL, REST APIs, and GCP tools (Cloud Run, Cloud Scheduler, Secret Manager, GitHub Actions). You'll own data flow for a media agency's operational systems, keeping data structured and synced into Notion for client teams.

Glasswall★0.0· London

Lead a small team of DevSecOps and Software Assurance Engineers, owning product security posture, threat modelling, and security tooling (SAST, DAST, SCA). Drive DevSecOps strategy, embed security into the SDLC, and champion agentic AI adoption using tools like Claude Code or CoPilot. This is a hands-on leadership role at a file protection company, reporting to the CTO.

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.

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.

Glasswall★0.0· London

Work with DevOps tools (Terraform, CloudFormation, Ansible), cloud platforms (AWS, Azure, GCP), and programming languages (Python, Java, C#), plus CI/CD pipelines, APIs, ICAP, and proxy servers. In this pre-sales role, you will design solution architectures, deliver PoCs, and integrate Glasswall’s document-sanitization security products into customer on-premises, hybrid, and cloud environments.

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.

Google★4.3 (6.2k)· London

Work with Python, Java, Go, C or C++, large language models, prompt development, and conversational AI frameworks. As an AI Solutions Deployment Manager on the Google Cloud Consulting Professional Services team, you guide customers through their cloud journey and help deliver agentic AI solutions for Google’s most strategic global clients.

dunnhumby★3.9 (87)· London

You’ll work with Python, APIs, microservices, cloud platforms (AWS/GCP/Azure), large-scale data pipelines, and front-end code, using AI-assisted engineering tooling. As part of dunnhumby’s DNA retail media service, you’ll embed with brands, agencies, and retailers to ship production-ready software and turn field learning into product direction.

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.

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.

Design and maintain CI/CD pipelines with

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.

Millennium Management★3.8 (21)· London

Software engineers build and maintain distributed systems for intraday risk, trade, and portfolio management using Python, Java, or Rust and cloud platforms like AWS or GCP.

Lead Java Developer (Contract) role using Java 17+, Spring, Spring Boot, Azure, containerisation, serverless tech, Terraform, and Python. Building enterprise-quality optimisation and ML solutions for field operations. Leading development, API design, and tech decisions.

WPP★3.7 (378)· London

Lead Java Developer role at WPP's Satalia building a new logistics optimization platform using Java 17+, Spring, Spring Boot, Azure, serverless and containerized tech, Terraform, and some Python, with API design and tech selection duties. The team develops optimization and ML-based enterprise solutions, and the role leads a development team.

NatWest Group★3.7 (1.2k)· London

You'll work with JavaScript, ReactJS, AngularJS, Python, Java, AWS, GitLab, Google Cloud Platform, Kafka, Hadoop, PostgreSQL, and Snowflake. The Engineering Platforms team delivers a modern software development toolchain for engineers across the bank, and you'll design, produce, test, and implement working software.