Lead Python Developer role using Core Python, Flask, VueJS, JavaScript, CSS, HTML, SQL, AWS, Terraform, Docker, and serverless components, with CI/CD and Agile practices. The developer builds, enhances, and supports production applications within UK public sector programmes, collaborating with delivery, product, and data teams.

Zoopla★3.9 (18)· London

A 12-month maternity cover role on a dual-stack C#, .NET, and TypeScript backend with React microfrontends, using AWS managed services (ECS/Fargate, Lambda, SQS, DynamoDB, DocumentDB) and Terraform/SST. You'll build B2B SaaS software for estate agents and home builders at Alto Software Group. Take end-to-end ownership of features from design to production, working with the product team and AI coding agents.

Lovable★4.0 (43)· London

Uses Go, Rust, TypeScript; AWS, Azure, Google Cloud, Cloudflare; Kubernetes, Terraform, Temporal, OTEL, CI/CD; PostgreSQL, ClickHouse, Firestore, Spanner, BigQuery. Builds the platform for Lovable Enterprise enabling secure, cloud-agnostic deployment, defining architecture for sandboxing, networking, encryption, identity, and mentoring engineers.

Java 11+, Spring Boot, microservices, event-driven architecture, Terraform, and cloud platforms (Azure, AWS, or GCP). The team builds post-trade technology solutions including business-critical applications, APIs, client reporting platforms, and web portals for capital markets. You will mentor developers and contribute to architectural decisions.

Work with Kotlin, Java, Spring Boot, microservices, REST APIs, Node.js, TypeScript, Express.js, Nunjucks, AWS/Azure/GCP, Docker, Kubernetes, Terraform, and CI/CD tools. You'll build secure, scalable digital services on large-scale transformation programmes for the Public Sector and Healthcare within Agile, multidisciplinary teams. Mentoring other engineers is expected.

You'll work across the full stack—backend distributed systems, cloud with IaC, and data pipelines including vector stores—using tools like Claude Code and AI agents for code review, refactoring, and parallel work. This Principal Engineer role on a large iGaming engagement oversees sportsbook, casino, and gaming platforms for a major client, managing a group of engineers and Tech Leads as the named delivery owner. The team includes engineers and Tech Leads that you directly line manage.

You'll work with TypeScript, Node.js, AWS serverless technologies (Lambda, SQS, EventBridge, API Gateway), MongoDB, Terraform, and GitHub Actions. Seccl is an embedded investment platform helping people invest better, owned by Octopus. You'll design and operate services within cross-functional squads, mentor engineers, and support regulated investment operations in a build-and-run model.

You’ll work across full-stack engineering with AI tooling (Claude Code, agents, evals), cloud/IaC, distributed systems, APIs, data pipelines and vector stores on iGaming platforms (sportsbook, casino, gaming) for a major client. You’ll oversee a group of engineers and Tech Leads, line-managing leads and owning delivery.

Principal engineers work with Claude Code, AI agents, full-stack backend (distributed systems, APIs, data modelling), cloud (IaC) and data pipelines (vector stores, embeddings). They oversee a group of engineers and Tech Leads on a major iGaming engagement building sportsbook, casino and gaming platforms, owning delivery and steering the teams.

Flock★4.0 (6)· London

You'll write production TypeScript on AWS serverless (Lambda, API Gateway, SQS, EventBridge, DynamoDB, S3, CloudWatch) with Terraform/CDK and AI coding agents. As Engineering Lead for the Acquisition team, you'll co-lead with a PM to build features that help fleets find and choose Flock, the connected-vehicle insurer.

Lovable★4.0 (43)· London

Build enterprise deployments using Go, Rust, and TypeScript on AWS, Azure, and Google Cloud, with Kubernetes, Terraform, and Temporal. You will build the platform that allows large customers to run Lovable securely and at scale across every major cloud provider.

Senior Full-Stack Engineer building new features and improving existing platforms using PHP (Symfony, Zend) and JavaScript (Vue.js, React, Nuxt, Next.js). You will write unit, integration, and end-to-end tests, and work with CI/CD pipelines, Ansible, Terraform, and cloud environments (AWS, Azure, Google Cloud).

Nuffield Health★3.2 (939)· London

You will work with Java 21, Spring Boot, Maven, RabbitMQ, Apache Camel, Git, GitHub Actions, Docker, Azure DevOps, Terraform, Ansible, and SQL databases. The Integration Squad designs, develops, and supports microservices and APIs for Nuffield Health's digital healthcare platforms, enabling secure connectivity across internal and third-party systems.

Python, React, JavaScript/TypeScript, AWS, CI/CD, and observability. Build AI-powered language learning and assessment products for a global EdTech platform, integrating LLMs into scalable cloud-native applications with chat/messaging features.

Python, FastAPI, PostgreSQL, GCP, Docker, Terraform. The team builds Scenario Builder, a platform for energy-system modelling, grid planning and decarbonisation analysis. You will lead a hands-on squad of 3–5 engineers, staying close to the code while setting technical direction.

TypeScript, Node, React, AWS, Kubernetes, GitHub Actions, Terraform, and Grafana. You'll own Minut's guest experience surface—messaging flows, guest app, and integrations that turn sensor events into delightful guest experiences. The team is 20+ engineers across product, platform, mobile, firmware, and ML.

This role involves Django, NHS Front End Toolkit, GDS, CI/CD, IaC, TDD/BDD, and pair/mob programming. You will work in multi-disciplinary, user-centred design teams delivering accessible front-end applications for the UK public sector, with experience in AI-augmented front-end, Python, API integration, and legacy system modernisation valued.

Work with React, Next.js, TypeScript, Python, PostgreSQL, and manage production infrastructure using Terraform, Docker, Kubernetes on GCP. Build the platform powering agentic AI to automate complex bioanalysis workflows for scientists.

You'll work with PHP (Symfony, Zend), JavaScript, Vue.js, React, Nuxt, Next.js, Ansible, Terraform, AWS, Azure, Google Cloud, and CI/CD pipelines. Xcelirate builds high-traffic platforms used by thousands of users per minute.

This role works with Java, React.js, Generative AI, Docker/Kubernetes, Terraform/CloudFormation, MQ, and monitoring tools like Datadog/AppDynamics/Dynatrace. The listing does not describe a specific team, product, or project.

You’ll work with Kotlin, TypeScript, Azure, Terraform, Temporal, and Postgres to build large-scale batch processing infrastructure, an LLM gateway, and enterprise-grade auth/observability for an AI operating system that automates analysis and documentation of complex enterprise software environments. You join a small, talent-dense backend team owning significant core platform components.

Senior Java contractors will work with Java, AWS, Kubernetes, and microservices to build and maintain large-scale, cloud-native applications in an Agile environment.

You'll work with Python (Django/FastAPI), React, TypeScript, PostgreSQL, Azure, Docker, and CI/CD to build customer-facing applications and APIs. The team is part of Oritain, a product origin verification company.

JPMorgan★3.9 (20k)· London

You will work with Java 17+, Spring/Spring Boot, REST APIs, AWS, Terraform, Infrastructure as Code, CICD, TypeScript, and React in a cloud platform engineering team that improves reliability, resilience, and observability of customer-facing digital banking services for Chase UK.

Work with C#, .NET 8+, Blazor, Azure (Service Bus, Container Apps, SQL), Terraform, and CI/CD to build event-driven microservices that integrate AI/LLM components at an AI and PropertyTech scale-up. You'll join a small, close-knit team collaborating directly with