Lead the EMEA Solutions Engineering team for Wise Platform, working with REST APIs (RESTful design, OpenAPI, OAuth2) and microservices architecture. The team helps top-tier banks and tech companies integrate Wise’s international finance products via their public API, providing post-sale technical consulting. You will build and mentor a high-performing technical delivery team, defining goals aligned with Wise Platform’s objectives.

You'll work with TypeScript, React, SQL, Amplitude, GrowthBook, PostHog, LaunchDarkly or Statsig, and Customer.io or Braze. The company is building a senior AI employee for small-business owners that drafts client work from existing tools. You own the activation funnel, experiment framework and retention loops as the first growth engineer on a small senior team.

Lead a disputes team at Checkout.com, working with a .NET/C# back end, React/TypeScript front end, and Python for machine learning, alongside REST APIs, event-driven microservices, and SQL. The team builds tools and models to help merchants manage and win chargeback disputes at scale. You will oversee engineers across disciplines and seniority levels, driving predictable delivery and operational efficiency.

You'll use PHP, Laminas, Mezzio, Stripe, and AI tools like Claude Code. You'll build a new payments product and maintain existing payment integrations for Ticket Tailor's event ticketing platform. The team consists of two engineers alongside a Product Manager.

You'll work with PHP, Laminas, Mezzio, AI tools like Claude Code, Cloudflare, GitHub Actions, Datadog, and Amplitude. You'll build a new payments product and extend existing payment integrations for Ticket Tailor, enabling event organisers to get paid. You'll be part of a small team with two engineers alongside a Product Manager.

Lead Software Engineer for the PRIIP Cloud platform, owning full-stack development with TypeScript/Node.js, React, Java/Kotlin, REST APIs, event-driven architectures, AWS, Docker, and Kubernetes. The team builds a cloud-based PRIIP documentation and reporting system for regulated financial services, collaborating with compliance, quant, and product specialists. This role leads a multidisciplinary team of engineers and subject matter experts.

You will study for certifications including Azure Fundamentals, CompTIA Network+, Cisco CCNA, and Forescout FSCA, while gaining hands-on practice with Cisco networking, Azure cloud, Splunk SIEM, and Tenable vulnerability management. Newto Training’s programme combines live instruction and real-world project work to prepare you for a network engineer role.

Wise★3.5 (42)· London

Lead a growing Solutions Engineering team in EMEA, providing technical consulting and product guidance to top-tier banks integrating Wise’s international finance products via REST API. Work with RESTful design, OpenAPI, OAuth2, and microservice architecture to architect integrations and influence the product roadmap.

BNY★3.5 (5.5k)· London

You'll use Java 17/21 with Spring, Maven, Groovy, JavaScript/TypeScript (Angular), Docker, GitLab CI/CD, IntelliJ, Windsurf, Splunk, and AppDynamics to build secure backend services, batches, and APIs for a global financial services company.

Checkout.com★3.8 (15)· London

Senior Engineering Manager leading the Disputes team, which builds tools, services, and machine learning models to help merchants manage and win chargeback disputes at scale. The team owns a full stack centered on .NET / C#, React and TypeScript front ends, Python-based ML, and event-driven microservice architectures.

Microsoft★4.2 (9k)· London

Manage a team of Security Solution Engineers advising customers on Microsoft Security solutions including Defender XDR, Microsoft Sentinel, Microsoft Entra, and Microsoft Purview. The team supports customers in evaluating applications, recommending tailored solutions, and demonstrating technologies to win technical decisions.

You will work with Linux, AWS, Docker, Kubernetes, CI/CD pipelines, Python, Bash, and monitoring tools like Datadog, Prometheus, CloudWatch, or ELK. You will support and maintain the critical research and trading infrastructure for a quantitative hedge fund, acting as first-line support for platform-related issues.

Build and maintain scalable data pipelines (BigQuery, Cloud Composer, Airflow, Dataflow, Spark, Flink, dbt) on GCP for AI/ML experiences. Use Docker/k8s, Terraform, SQL, shell scripting, and monitoring tools (Monte Carlo, Looker, NewRelic, Splunk). Collaborate with product engineering, data science, and business teams.

Bloom and Wild★2.6 (5)· London

You will work with AWS, Terraform, Ruby, Python, React, GitHub Actions, and Datadog. The 60+ person Tech team builds software for Bloom & Wild’s direct-to-consumer flower and gifting business, including online shops, warehouses, and delivery logistics. You will split time between embedded work in domain squads and central Platform work building shared tools and automation.

You will work with AWS (ECS Fargate, RDS, Lambda, EventBridge), Terraform, Ruby, Python, React, GitHub Actions, and Datadog. You will join domain squads and build shared platform tooling, infrastructure, and automation to help the 60+ person tech team ship code faster for Bloom & Wild’s online shops, warehouses, and delivery logistics.

NiCE★3.4 (30)· London

You'll work with Python, Go, Java, C#, Bash, PowerShell, AWS (EC2, ECS, Lambda, DynamoDB), CloudFormation, Terraform, Jenkins, GitLab CI/CD, CircleCI, Docker, Kubernetes, Prometheus, Grafana, ELK stack, Cloudwatch, and optionally Grafana Observability Suite, Splunk, Datadog, PagerDuty, Rundeck, Ansible, Puppet, Chef. As an individual contributor, you'll run production, improve reliability, and support multiple large distributed software applications for NiCE, a provider of customer experience, financial crime, and public safety software.

Work with AWS, Kubernetes, Docker, Terraform, CloudFormation, Python, Go, Jenkins, GitLab CI/CD, Prometheus, and Grafana. You will run production environments, build and automate infrastructure, and improve reliability for NICE’s suite of distributed software solutions.

Design, build, and operate secure Azure cloud infrastructure using Terraform, Azure DevOps, Git, and scripting (PowerShell, Bash, Python). The role supports a reinsurance organisation’s global expansion in 2026, focusing on networking, deployment automation, and enterprise standards.

This role develops generative AI applications using Java, Python, React or Angular, LangChain, LlamaIndex, Hugging Face, Docker, Kubernetes, and AWS, with tools like GitHub Copilot. You will build scalable, AI-powered solutions for Citi’s global finance operations.

You will work with AWS, Kubernetes, Python, Go or Node.js, CI/CD tools, and OpenTelemetry or Datadog. The role involves platform engineering and DevOps, focusing on cloud-native architectures, automation, and observability.

Support engineers at Writer use Python, AWS/GCP, SDKs, SSO/SCIM, Jira, Grafana, Datadog, and RESTful APIs to debug production issues and build automated diagnostic tools. They serve as Tier 2 support for enterprise customers building AI agents on Writer’s platform, collaborating with Customer Success, Product, and Engineering.

JPMorgan★3.9 (20k)· London

Works with AWS, Python, Grafana, Dynatrace, Prometheus, Datadog, Splunk, Jenkins, GitLab, Terraform, ECS, Kubernetes, and Docker. As a lead on the Infrastructure Platforms team, you improve reliability and stability of applications/platforms, conduct resiliency design reviews, and mentor engineers.

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.

Wise★3.5 (42)· London

Build backend

Work with AWS networking services (VPC, Transit Gateway, Direct Connect, WAFv2, Firewall Manager, Route 53, ALB, NLB), automating via CloudFormation and scripting with Shell/Python. You'll design and manage secure, scalable AWS network architectures for client infrastructure projects within Cognizant's Cloud, Infrastructure & Security Services Practice.