You will use .NET C#, LINQ, MS SQL, Entity Framework, GIT, REST APIs, Docker, and Agile methodologies to design, build, and debug web and mobile applications. You will join the TransPerfect TechOps team, which delivers the company's GlobalLink platform and related client interfaces.

You will work with Rust, Python, Java, Go, C++, and a distributed systems stack involving edge computing, low-bandwidth radio links, and air-gapped networks. This company builds AI software that turns unstructured sensor data into real-time intelligence for semi-autonomous platforms. You will set technical direction across multiple teams.

Work with Vue.js, React, or Angular, JavaScript, HTML/CSS, and Figma. You will implement features and build reusable UI components for TransPerfect's TechOps team, which delivers workflow tools and client interfaces for the GlobalLink platform.

You'll build end-to-end features for &Dine's food marketplace using Vue.js/Nuxt.js, Node.js, TypeScript, MySQL, Docker, and AWS. The platform connects independent Makers with customers seeking handmade food. You'll be part of a lean engineering team of four, owning from design to deployment and mentoring junior engineers.

You will work with Java, React, and DevOps automation to build scalable, cloud-native applications for critical business services. The role focuses on delivering high-quality software across front-end and back-end technologies in a financial services environment.

You will work with Java, C#, modern cloud and DevOps tools to build scalable, high-performance applications. The team designs and develops these applications in an Agile environment, collaborating across functions.

You will work with Java, SQL, REST APIs, event-driven architectures, Angular, and distributed systems. You will lead an existing team of 4 to 6 developers, architecting and integrating systems.

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.

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.

Use Java 17+, Spring Boot, Oracle SQL, document-store databases, Kubernetes, Jenkins, and GitHub Copilot to build high-performance, mission-critical systems that provide end-to-end visibility into payment lifecycles for an investment bank. You will also mentor junior engineers, conduct code reviews, and design scalable back-end solutions.

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.

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 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.

GUARDIAN NEWS & MEDIA★4.6 (7)· London

Build the Guardian Android app using Kotlin, Java, Jetpack Compose, Coroutines & Flow, MVVM, Jetpack libraries, and modular architectures. As a Staff Engineer on the Apps Experience team, you will shape technical direction, architecture, and engineering standards across multiple teams for an app used by millions.

Work with Kotlin, Java, Python, TypeScript, Kafka, Flink, Redis, and clustered Postgres on AWS/GCP to design, build, and maintain backend services for a real-time, data-driven commodity trading platform. You will own features end-to-end, optimizing pipelines for low latency and high throughput.

You will use React, front-end technologies, iOS/Android, Java with Spring Boot, REST APIs, Kafka, IBM MQ, and apply TDD and automated testing within Agile and DevOps practices. As part of a permanent feature team, you will design, produce, and test software for a platform, collaborating with engineers and stakeholders to support business objectives.

Senior engineers at Great Yellow design and own data pipelines (ETL, dbt, SQL) and write production code in a Cloudflare-native TypeScript/React monorepo. The team builds the data and software platform that powers a system for making regenerative land-use investable and scalable.

Zuora★3.6 (33)· London

You'll develop Zephr, Zuora's AI-powered subscription experience platform for digital publishers, using Java (JDK 21+), Kotlin, JavaScript/TypeScript, React, and a microservices stack including Vert.x, Spring, Kafka, MySQL, AWS, and Kubernetes. The role spans frontend, backend, and API design (REST, gRPC, GraphQL) for a high-throughput, multi-tenant public application, requiring strong testing practices, security knowledge (OAuth2, SAML, JWT), and production observability skills.

You'll work with TypeScript, React, Node.js, Python, JavaScript, SQL/NoSQL databases, and AI/ML tools including LLM-based APIs. Steven.com builds an operating system for the creator economy, and you'll ship end-to-end features across internal and external products.

You'll work with TypeScript, React, Next.js, Node.js, Express, and PostgreSQL. The team builds financial products for African businesses, including automated payouts, payment automation, and invoice processing. You'll join a small, high-performing team shaping the product vision and technical architecture.

Staff Full Stack Engineer at Capi, working with Typescript, React, NextJS, NodeJS, Express, and PostgreSQL. The role involves building and scaling a platform for African businesses, contributing end-to-end from UI to backend logic, and working closely with the founding team in London and Paris.

You'll work with Java 21, Spring Boot 3, event-driven microservices on AWS (EC2, RDS, SQS, SNS, SES, Cognito), PostgreSQL, Docker, and GitHub Actions CI/CD, using AI tools like Claude Code. Aslan builds the back-end systems that power payroll and payments for companies and their employees.

You'll use Go, gRPC, HTTP, Docker, and observability tools like Prometheus and Grafana on a modern containerised AWS stack with MySQL, DynamoDB, Redis, and Elasticsearch. The backend team designs, builds, and supports high-traffic APIs and internal tools for a community safety platform, processing tens of millions of analytic events daily with event-driven architecture and machine learning.

You will work with ReactJS, NodeJS, MongoDB, AWS, HTML/CSS/LESS/SASS, and Git/CICD. Atominvest builds software that powers private equity, venture capital, and hedge funds to manage investing, fundraising, and operations. You will help mentor junior team members, though the team size is not specified.