You will work with AWS/Kubernetes, Terraform/Pulumi, Java, Python, and AI code collaborators like Claude Code, Cursor, and Copilot. Fanatics Markets is a real-money prediction and trading app where users predict outcomes and trade on events. You will build scalable cloud-native infrastructure and developer tooling for this platform.

You'll work with AWS, Kubernetes, Terraform, Pulumi, CloudFormation, Java, Python, Golang, and AI coding tools like Claude Code, Cursor, GitHub Copilot. The team builds the Fanatics Markets real-money prediction and trading app for sports, entertainment, and political outcomes. As Staff Platform Engineer, you set technical direction and design durable platform abstractions.

Kaluza★5.0 (1)· London

In this pre-sales engineering role, you'll build mock backends and demo infrastructure using Node.js, TypeScript, React, REST/GraphQL APIs, AWS, PostgreSQL, DynamoDB, and Terraform, leveraging LLMs like Claude and Gemini for rapid prototyping. You'll support Kaluza's Energy Intelligence Platform, which uses data and AI to help energy companies transition to clean energy, by creating technical assets for client validation. The role involves mentoring the pre-sales team on API design and GenAI workflows.

Optiver★3.4 (29)· London

You’ll work with C++ build systems like Bazel, Buck2, Pants, or Gradle, CI/CD platforms (GitHub Actions, Buildkite, Jenkins), GitHub/GitLab, container images, and observability tooling. This role is on Optiver’s Developer Experience team, building the company’s central Build Platform to accelerate software development and delivery across the organization.

You will manage PostgreSQL clusters on Kubernetes, develop operators in Go, and use Terraform, AWS, and GitOps for infrastructure. The role owns the managed PostgreSQL offering on Laravel Cloud, a fully managed platform optimized for Laravel and PHP.

As SVP GenAI Full-Stack Engineer Lead, you will code in Python, Go, TypeScript, JavaScript, or React and build enterprise-scale cloud-native applications using Kubernetes, containers, microservices, and event-driven architectures. You lead the design and delivery of AI-enabled developer platforms and enterprise applications for a global financial firm.

Hands-on engineering leadership role using Python, JavaScript, TypeScript, Go, Java or similar. Designs and delivers enterprise-scale platforms and applications supporting up to 200,000+ users across global finance workflows, driving policy-as-code and automated governance. Leads complex cross-domain initiatives, sets engineering standards, and mentors senior engineers.

Build and lead AI-powered products and developer platforms at Citi using Python, Go, TypeScript, JavaScript, React, Kubernetes, containers, microservices, and event-driven architectures. This hands-on engineering lead role drives Generative AI adoption, sets technical direction across full-stack ecosystems, and mentors engineering managers and senior engineers.

eBay★4.0 (2.6k)· London

You'll work with Apex, Lightning Web Components, Visualforce, SOQL, Salesforce APIs, web services, Copado/Gearset, AccelQ, and AI tools like GitHub Copilot, ChatGPT, and Agentforce. The team builds and evolves a highly customized Salesforce platform supporting critical business functions and central initiatives across eBay.

Snowflake★3.7 (31)· London

You will work with SQL, Python, dbt, ELT/ETL, orchestration, BI tools, APIs, SDKs, notebooks, and cloud data platforms. As Lead Developer Advocate, you bridge Snowflake’s product/engineering and developer communities, creating content and enabling SQL developers, analytics engineers, and data teams. You also evangelize Snowflake in the EMEA market.

You will develop Python tooling, build systems (Bazel), workload management (Slurm, LSF, SGE), IaC (Ansible, Terraform), and containerisation (Docker). You are joining a growing engineering team building next-generation processor technology and supporting silicon development and verification throughout the chip lifecycle.

You will work on a Developer Experience team building platforms and tooling to improve productivity for hundreds of engineers at a technology-driven trading firm. No specific technologies, languages, or frameworks are listed.

IG Group★2.7 (13)· London

You'll work with AWS, GitLab, observability, performance engineering, Kong API, and broader cloud/CI-CD platforms. Your role owns developer enablement for IG Group, a FTSE100 fintech, by running in-person SME workshops, creating developer learning content, and building adoption communities for app teams.

Rightmove★3.7 (31)· London

Lead the design of Rightmove's data platform, working with dbt, Spark, Beam, Python, SQL, Terraform, and GCP. You will build scalable data infrastructure for analytics, ML, and AI initiatives across the UK's largest property marketplace.

Rightmove★3.7 (31)· London

You will build and operate GCP-based data platform infrastructure and tooling, writing Python and SQL and deploying with Terraform and CI/CD pipelines. You will design reusable batch and real-time data ingestion and processing frameworks and champion engineering best practices on the Data Engineering & Infrastructure team. This team builds the data infrastructure powering Rightmove, the UK’s largest property website.

You'll work with TypeScript, Next.js/React, LLMs, embeddings, MCPs, RAG, evals, agentic platforms, IaC, Kubernetes, Lambda, plus Cloudflare and Datadog/Sentry/Grafana. You'll join Lendable's small AI Engineering team building its coding agent and harness to improve developer experience. The company creates consumer finance products like loans, credit cards, and car finance.

Apple★4.1 (14k)· London

You will work with Python, C, Swift, LLDB, GDB, and Instruments to build automation, CI/CD pipelines, and ML/AI systems for crash clustering and anomaly detection. The team triages crashes and panics across Apple’s OS stack, building intelligent tooling to root-cause failures and improve the stability of over 2 billion devices. You will partner with Software, Hardware, and Silicon Engineering teams to drive systemic issues to resolution.

Build command-line tools, APIs, data pipelines, and dashboards using Rust, TypeScript, Python, Go, and JavaScript to automate cyber security control monitoring, testing, evidence collection, and audit assurance for LSEG’s cyber defense. The role involves integrating with SIEM, IAM, EDR, cloud services, vulnerability management, and risk systems.

Citi★3.9 (21k)· London

You'll work hands-on with Python, Go, TypeScript, JavaScript, React, Kubernetes, containers, microservices, event-driven architectures, SQL, and NoSQL. As an engineering lead at Citi, you'll drive design and adoption of Generative AI solutions, developer platforms, and enterprise-scale cloud-native applications for global finance.

Citi★3.9 (21k)· London

Leads architecture, design and delivery of enterprise-scale platforms and applications using Python, JavaScript, TypeScript, Go, or Java, alongside frontend, backend, APIs, cloud platforms and data services. Supports up to 200,000+ users across critical workflows at Citi, driving policy-as-code and engineering standards.

LSEG★3.7 (403)· London

You will use Rust, TypeScript, Python, Go, JavaScript, REST APIs, cloud services, SIEM, vulnerability management, IAM, and EDR to build tools, APIs, data pipelines, and dashboards that automate cyber security control monitoring, audit evidence collection, and risk processes.

This Senior AI Engineer will build and scale the shared AI platform on Azure, focusing on the Agentic AI Platform initiative. The role involves designing agent runtimes, orchestration, tool integration, and production foundations like LLMOps, prompt lifecycles, and observability. You will work extensively with Python, CI/CD, Azure AI Foundry, APIM, Entra ID, and observability tooling.

Senior Software Engineer will build and operate developer tooling at Wise using Java, Go, Python, and TypeScript, focusing on agentic AI tools, an MCP-server knowledge base, and a developer portal. The role supports 1,200+ engineers by improving productivity and leading AI enablement initiatives.

Anthropic★5.0 (1)· London

You will design and build highly reliable, scalable CI/CD infrastructure and tooling using Buildkite, Jenkins, or GitHub Actions, operating on Kubernetes across multiple cloud providers. The CI team manages Anthropic’s continuous integration, test infrastructure, and merge queue to support hundreds of engineers shipping code safely and efficiently.

Wise★3.5 (42)· London

Build and operate developer productivity tooling in Java, Go, Python, and TypeScript for over 1,200 engineers at Wise. You’ll own agentic tooling, an MCP-based knowledge base, and shared services that remove friction across the software development lifecycle, while leading AI enablement through hands-on workshops.