JPMorgan★3.9 (20k)· London

Lead projects on the Strategic Index Technology team, using Python, Java, C++, or C# to build and maintain the cross-markets index platform alongside Quantitative Research, Trading, and Sales.

Work with TypeScript, Python, Node.js, Playwright, Cypress, WebdriverIO, Docker, GitHub Actions/GitLab CI, bash, and Jira to build and maintain test automation frameworks and CI pipelines for Connected TV devices.

You'll use TypeScript, Python, Node.js, Playwright, Cypress, or WebdriverIO, plus Docker, GitHub Actions/GitLab CI, and bash. The Quality Engineering team builds test-automation frameworks and CI pipelines that run on real Connected TV devices, targeting global TV users.

Accenture★3.9 (29k)· London

Lead Software Engineer role using Java, TypeScript, Python, Go, C#, React, Angular, Vue, Svelte, cloud-native (AWS/Azure/GCP), Infrastructure as Code (Terraform/AWS CDK/Pulumi), and CI/CD (GitHub Actions/Gitlab CI/Jenkins/CircleCI/ArgoCD). The Accenture Software & Platform Engineering team builds end-to-end digital products for clients across sectors. You will lead a team and grow careers.

Accenture★3.9 (29k)· London

Work daily with JavaScript/TypeScript, Python, Java or C# writing automation scripts and building frameworks; drive adoption of Playwright, MCP, GitHub Copilot and Claude. As a Test Automation Associate Manager at Accenture, you lead and mentor a QE automation engineering team while owning tooling strategy and framework definition across client engagements. You also conduct quality engineering assessments and support QE strategy for client accounts.

JPMorgan★3.9 (20k)· London

Design, develop, and deliver full-stack solutions using React, Node.js/TypeScript, and Python. As part of JPMorganChase’s Infrastructure Platforms Data Center Services team, you will build and enhance technology products that power global market infrastructure. The role includes mentoring junior engineers.

You will work with Playwright, JavaScript, TypeScript, automation frameworks and CI/CD pipelines on a strategic front‑office derivatives trading platform, embedded within the bank’s Front Office Derivatives Technology team.

You will design and maintain automated UI, API, and service-level tests in TypeScript using Serenity/JS and Playwright, plus Python/pytest and C#/.NET. The role involves testing the ACE application and internal platform tooling for a decentralised AI platform optimising energy in data centres.

Senior Software QA Engineer at G3D will design automated testing frameworks using Playwright and TypeScript, work with Linux, Kubernetes, CI/CD, and API testing, and test AI-powered functionality on a distributed decision support platform that solves complex real-world problems.

JPMorgan★3.9 (20k)· London

Build data pipelines and tools using Python, Tornado, TypeScript, React, GitHub Copilot, and LLM integration. The role supports the Model Risk Governance & Review (MRGR) Analytics team in developing efficiency, resource management, cost optimization, and workflow automation tools for model reviewers and governance.

Accenture★3.9 (29k)· London

Use TypeScript, Python, Java, cloud platforms (AWS/Azure/GCP), and LLMs to build and deploy AI agents, multi-agent systems, agent orchestration frameworks, and RAG pipelines. As a consulting role within Accenture's global professional services, you ship production AI applications into client enterprise environments, integrating with existing IT infrastructure. You manage no specific team scope stated.

Alpaca★3.6 (5)· London

You will build automated test frameworks and CI/CD pipelines using Go, GitHub Actions, Google Cloud Build, and Kubernetes. As part of Alpaca’s Platform team, you’ll design tooling to let engineers ship features reliably, leveraging AI/LLMs for test generation and regression coverage. The company provides agent-first brokerage infrastructure APIs for stocks, ETFs, options, and crypto.

You will work with TypeScript/JavaScript, React, Playwright or Cypress, Azure, and CI pipelines (Azure DevOps/GitHub Actions) to own quality for a modern React website augmented with an AI assistant, serving data exploration, charts, and dashboards. You will define test strategy, build automation frameworks, and test AI behaviour including guardrails.

Universal Music Group★4.0 (408)· London

You will work with C#, JavaScript, TypeScript, Playwright, Cypress, Selenium, REST APIs, Postman, Swagger, AWS, Azure, Google Cloud, GitHub Actions, Docker, Kubernetes, SQL, Redis, Elasticsearch, and Angular. As a Senior QA Engineer at Universal Music Group, you will act as a quality leader, mentor, and strategic contributor across delivery teams, defining QA strategy, test automation frameworks, and release quality standards to support the world’s leading music company.

JPMorgan★3.9 (20k)· London

You will work with React, JavaScript/TypeScript, Cypress, Figma, and enterprise-authorized AI coding tools. You join the Enterprise Observability Platforms team at JPMorganChase to design and deliver market-leading technology products.

Version 1★3.9 (39)· London

You'll use AWS serverless services (Lambda, API Gateway, DynamoDB, SQS, Cognito, CloudWatch), infrastructure as code (CDK/Terraform/CloudFormation), and languages including Python, Java, Golang, TypeScript, React. You'll design, build, and maintain cloud-native applications using microservices and event-driven architectures, and support DevOps processes as part of Version 1's technology solutions for global brands.

JPMorgan★3.9 (20k)· London

You will work with Python, TypeScript/React, SQL, and event-driven streaming platforms, using enterprise AI-assisted development tools. The ATRS Tools team builds engineering productivity and operational tooling for a strategic platform used by thousands of engineers and middle-office users daily.

Accenture★3.9 (29k)· London

Build production-grade full-stack software connecting to agentic AI systems using Python, Java, or TypeScript, LLM APIs, cloud platforms (AWS, Azure, GCP), Docker, CI/CD, and databases (SQL/NoSQL). You will integrate orchestration frameworks like LangChain/LangGraph while applying AI tools across the delivery lifecycle on real client programs spanning industries.

JPMorgan★3.9 (20k)· London

You will work with TypeScript, React, Java, Spring Boot, REST APIs, and AWS, using enterprise-authorized AI coding tools. As part of JPMorgan's Global Technology Asset Management, you will build, deliver, and operate firmwide full stack technology solutions.

This software engineer works with Java, Python, and TypeScript React across microservices and cloud infrastructure. The team builds the AI Portal, a SaaS platform managing data flows, partner integrations, and web interfaces between Wayve and its commercial partners.

Accenture★3.9 (29k)· London

You will use Python, Java, TypeScript, LLM APIs, LangChain, LangGraph, Docker, and cloud platforms (AWS/Azure/GCP) to build full-stack software that integrates with agentic AI systems and enterprise AI pipelines. This role is on client programs across industries, applying AI-assisted tooling throughout the software delivery lifecycle.

JPMorgan★3.9 (20k)· London

Build real-time trading UIs with React and TypeScript for JPMorgan’s Execute platform, used by traders and sales. You will set front-end technical direction, lead hands-on delivery, and directly manage a small team of mid-level engineers.

Accenture★3.9 (29k)· London

You will work with Python, TypeScript/JavaScript, cloud services, CI/CD systems, and LLMs to build AI-native decision systems for energy, commodities, financial, and industrial operations. QuantAI, a small team within Accenture, ships enterprise-hardened products—cloud services, desktop applications, APIs, and agent-assisted systems—moving quantitative prototypes from internal demo to client pilot to scaled delivery. You'll own data flows, model serving, frontend interfaces, and agentic orchestration, balancing raw algorithms with governance, evaluation, and production discipline.

Version 1★3.9 (39)· London

You'll work with TypeScript, React, Next.js, Angular, Vue.js, React Native, GraphQL/Apollo Client, Jest, and Docker, with optional Java or Python backend experience. Version 1 is a global technology consultancy partnering with Microsoft, AWS, Oracle, and others to build digital solutions for enterprise clients. You'll develop web and mobile interfaces, mentor junior developers, and help establish frontend best practices across the Digital, Data and Cloud team.

You'll design and implement automation infrastructure for Cohere's North platform using Python, TypeScript, GitHub Actions, Docker, Kubernetes, Helm, and ArgoCD. The role involves building CI/CD pipelines, testing frameworks, and infrastructure-as-code to enable engineers to validate changes across diverse environments with feature flags and realistic customer data. This Senior/Staff position focuses on establishing testing standards and scalable infrastructure that allows teams to ship with confidence.