You will work with Java, SpringBoot microservices, Linux, OpenShift, Gradle, Git, CI/CD, and Docker/Podman. The Technology Application Strategy team builds productivity and tooling solutions to streamline workflows for Citi’s global developer community.

You'll work across the Flights team, using Python, Kotlin, TypeScript, GraphQL, Kafka, AWS, and Docker to build a seamless global travel booking platform. The team manages core platform reliability, self-serve post-booking, booking error recovery, and airline inventory scaling. This is a staff-level role whose scope is not further defined.

Work with Java, Spring Boot, React/Angular, RESTful APIs, microservices, Kafka or RabbitMQ, CI/CD, and AI-assisted engineering tools to lead software implementation for Vodafone's cloud-native digital products and platforms. This senior hands-on role guides engineers

You'll work with Python, FastAPI, TypeScript, React, and GCP to design services, data models, and APIs. Electric Twin builds a behavioral simulation platform that creates "digital twins" of populations to predict human behavior, already used by major organizations. You'll join a high-caliber team of 17, owning complex systems from design to deployment.

Research Engineer role at Electric Twin, a London AI company building LLM-powered synthetic populations for behavioral prediction, using technologies like chain-of-thought prompting, RAG architectures, multi-agent tool use, Python, and FastAPI. You'll design memory systems and decision-making frameworks within the Science team, running experiments to validate agent behavior against real-world data.

Build and maintain frontends with React and TypeScript, backend services in Python or Node.js, and optimize data pipelines for a database of 9M+ clinician profiles. You'll architect AI-driven matchmaking systems connecting pharma companies with medical experts at G LNK, a YC W25 healthcare commercial intelligence platform.

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.

Full Stack Python Developer using Python and Claude Code to build solutions for a leading consultancy client. This fully remote six-month contract requires US/UK candidates working Eastern Time hours.

Nando’s★3.8 (4.5k)· London

Build customer-facing digital experiences for Nando’s hospitality business using modern frontend technologies. As a Senior Front End Engineer on the lean, agile USA Tech Team, you will help shape the technical direction of high-performing applications.

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.

You will architect pipelines with Spark, Airflow, Kafka, PostgreSQL, MongoDB, and vector databases (Qdrant, Milvus, pgvector) using Python. As the first senior data hire at an early-stage AI company, you lead design of data infrastructure for real-time AI inference. You will build and eventually lead your own data engineering team.

You will work with Java, Spring Boot, SQL, RESTful/streaming APIs, cloud-native microservices, containerization, NoSQL, distributed data stores, and AI/ML-enabled tools. As a Lead Full Stack Engineer at BNY, a global financial services company, you will provide technical leadership, mentor engineers, and design secure, scalable, resilient systems.

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.

DSC, TGA, and rheometry are the main characterization tools, along with polymer blending and additive formulation. The role sits in a VC-backed climate tech startup developing compostable, high-performance alternatives to traditional plastics, bridging lab research and industrial scale-up. No team size is stated.

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 lead technical design and development using Java, Spring Boot, Microservices, and Event-Driven Architecture, alongside Azure and Kubernetes. You will drive cloud-native digital transformation for a FCA-regulated financial services client, delivering secure, scalable enterprise platforms. The team scope is not stated.

Wise seeks an Engineering Lead for its Account Management team, working with a JVM codebase (Java/Kotlin) and Spring Boot. The role involves leading engineers, staying hands-on with code, and owning the technical roadmap for the current account and everyday banking products that handle how customers hold, organize, and move money.

This Junior Software Engineer role uses Python, Node.js, PostgreSQL, MongoDB, React, and AWS to build backend services, APIs, and frontend applications while supporting commercial machine learning model deployment.

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.

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.