You'll use Zapier, Make, n8n, Python or JavaScript, APIs, SQL, and webhooks. You'll own the automation layer for influencer marketing, building workflows for discovery, onboarding, contracts, content tracking, reporting, and payments.

Work with Java and/or Python to support the design, development, and maintenance of scalable applications. You will join the front-office engineering team of a fintech firm to help deliver high-impact, revenue-facing systems used by traders and product teams.

You will work with PHP, MySQL, HTML5, CSS, JavaScript, jQuery, React, Next.js, Laravel/Symfony, DevOps/CI/CD tools (Jenkins, Bamboo), Docker, and AWS. The team creates experiences through data and media management and data analytics engines, working on complex development for both industry-leading companies and startups.

Develop React applications using TypeScript and Node.js, running on Azure AKS with Azure PostgreSQL. Work with Terraform and Harness CI/CD pipelines, integrate RESTful APIs, and create end-to-end automation tests with tools like Selenium or Playwright.

JPMorgan★3.9 (20k)· London

Work with KDB, Q, AWS, and optionally Terraform, Kubernetes, Python, C, C++, or Java. Develop and maintain applications storing large Options data sets for real-time and historical access within JPMorgan’s Equities Trading Data & Analytics team, migrating to AWS and re-architecting systems.

DeepL★3.8 (4)· London

You’ll work with C#/.NET Core, Cassandra, gRPC, Kubernetes, and AI-assisted tools like Copilot and Claude. You’ll join the Identity and Access Management team, which owns DeepL’s full identity stack—organization, group, account, consent, session management, SSO federation, SCIM provisioning, and the OIDC provider.

Work with .NET, TypeScript, React, AWS, and CI/CD pipelines. Lead a small engineering team for a UK tech consultancy, owning technical delivery and architecture on client projects. Act as the technical face of projects from day one.

You will work with C#, Python, TypeScript, JavaScript, React Native, AWS or Azure, and various databases (relational, graph, document, key-value) plus SQL. The role supports critical projects aligned with Net Zero ambitions.

You will work with Java, Spring Boot, microservices, REST APIs, AWS, DevOps and CI/CD pipelines. You’ll lead client projects for a global technology consultancy, mainly in financial services, focusing on migrating legacy systems to AWS and introducing cloud deployments. As Principal Java Developer, you will lead projects, but team size isn’t specified.

Build UI components using Vue.js, React, or Angular, plus JavaScript, HTML/CSS, and Figma. You'll join TransPerfect TechOps, which develops workflow improvements, core services for the GlobalLink platform, and scalable client interfaces. Work within an Agile (SCRUM/Kanban) team.

Use Vue.js/Nuxt.js, Node.js, TypeScript, MySQL, Docker, and AWS with AI-assisted tools like Claude. You will build and ship end-to-end features for &Dine’s online food marketplace connecting independent Makers and customers. Join a high-impact engineering team of four.

NatWest Group★3.7 (1.2k)· London

Leading a team building cloud-hosted, event-driven microservices at NatWest Boxed, you will manage software and quality engineers across empowered squads while working with AWS, Google Cloud Platform, Java, Python, JavaScript, ReactJS, AngularJS, Kafka, Hadoop, PostgreSQL, Snowflake, and GitLab.

SS&C★3.2 (1.7k)· London

Design, develop, and maintain automated test suites using C#, BDD frameworks (SpecFlow/Reqnroll), GitHub Actions, Playwright, and Selenium WebDriver. You will integrate AI-powered tools like Claude Code and GitHub Copilot to accelerate testing across Calastone's financial products, a global funds network.

Atlassian★3.9 (61)· London

Leads a team of forward-deployed engineers building AI-powered solutions with Python, JavaScript, APIs, microservices, and LLMs. The team partners directly with top organizations to apply Atlassian’s AI capabilities to solve real-world problems.

You’ll work with JavaScript, TypeScript, React, Next.js, Node.js, Python, WebGL, Three.js, Unity, Unreal Engine, TouchDesigner, LLMs, AI agents, ComfyUI, vector databases, AWS/GCP/Azure, and Figma. At WPP Production, a global content production company, you’ll rapidly prototype and scale interactive digital experiences, bridging software engineering and creative design. You will line-manage and mentor mid-level and junior developers.

Verisk★3.5 (361)· London

Use TypeScript, JavaScript, Angular, Node.js, Azure or AWS, and microservices to design and build large-scale, cloud-native software solutions for Verisk’s insurance analytics platforms. You will shape technical architecture across multiple products and teams.

Software engineer role at UnderwriteMe, an Insurtech company building underwriting decision engines and insurance marketplaces. The role involves Java, Kotlin, Spring Boot, AWS, cloud-native development, and CI/CD, owning the full software lifecycle. Engineers lead technical initiatives, mentor peers, and collaborate with product managers.

NatWest Group★3.7 (1.2k)· London

Back End Engineer at NatWest Group's NatWest Boxed, working with Java, Spring Boot/Micronaut, Kubernetes/Docker, AWS, and Kafka/event sourcing. You'll build the NatWest Boxed technology product on cross-functional mission teams, develop reusable code, and support junior engineers as a subject matter expert.

Tesco★3.5 (25k)· London

Work with .NET/C#, Java, Cassandra, Docker, HAProxy, Azure DevOps, and TDD. The payments service team delivers HTTP services managing payments at global scale for Tesco, handling 100M+ transactions daily. You'll also mentor and develop others.

Java, RESTful APIs, PostgreSQL/Oracle DB, Kubernetes, AWS, and SQL. The role involves building and maintaining microservices, APIs, and databases; writing unit tests; deploying on Kubernetes; and setting up monitoring.

Work with React, Node.js, ThreeJS/WebGL, and SASS, plus WebAR (8th Wall), Unreal, Blender, and AI frameworks like TensorFlow. As part of Powster (Vista Group’s creative studio), you lead the full development lifecycle of immersive WebGL websites and AR experiences for major movie, music, and streaming clients.

Work on high-performance software built in Rust, with Python, Java, Kotlin, or C++ backgrounds welcome and mapping tools like Mapbox, Deck.gl, Cesium, Three.js used. You'll build a next-generation platform integrating robotics, sensors, and autonomous systems for the security sector.

You'll work with Angular 19, FastAPI, Python, and Kubernetes on a 13-person team shipping high-impact features for an insurtech that makes home insurance fair and affordable.

You'll build web-based UI features using Vue and Tailwind, write production-grade code, and deploy infrastructure with AWS and Terraform. The company partners with a fintech player to optimize financing and return metrics. JavaScript and TypeScript proficiency is required; prior experience with Vue, Tailwind, AWS, or Terraform is a bonus.

Work with Python and Java building performance-critical systems for a front-office trading technology team at a high-performance investment firm. You will engineer the platform’s underpinnings, collaborating closely with front-office teams on business-critical applications.