Onlano
Full Stack DevelopmentOnsite

Senior Full Stack Engineer

W3 Global Sourcing - Company

London, UK, ๐Ÿ‡ฌ๐Ÿ‡ง United KingdomFull-time - Senior (4-7 years)0 applicantsCloses Jun 14, 2026

Salary

GBP 94,431 - 94,431 / year

Apply for this job

Job description

Role overview

W3 Global Sourcing seeks a Senior Full Stack Engineer to develop an AI-native enterprise platform used by investment banking, private equity, and consulting firms. This role requires building scalable solutions across the stack while collaborating with enterprise teams to deliver mission-critical applications.

The platform powers complex financial workflows and demands expertise in both front-end and back-end systems. Candidates should thrive in fast-paced environments where technical leadership and product ownership are essential.

Responsibilities

  • Design and implement AI-powered enterprise-grade software solutions
  • Lead full-stack development from database architecture to user interfaces
  • Integrate machine learning models into production workflows
  • Collaborate with cross-functional teams to define technical requirements
  • Optimize platform performance for high-traffic financial applications

Requirements

  • 5+ years full-stack development experience with Python/JavaScript
  • Proven track record with enterprise software development lifecycles
  • Experience implementing AI/ML integrations in production systems
  • Strong understanding of RESTful APIs and cloud-native architectures
  • Mastery of modern front-end frameworks and back-end services

Benefits

  • Competitive salary with performance bonuses
  • Cutting-edge AI/ML tooling and resources
  • Global impact on financial industry workflows
  • Professional development budget and certifications
  • Flexible work arrangements with London-based team

Keywords

AIfull-stackPythonenterprise softwarecloud architectureJavaScriptmicroservicesAPI designDevOpsScrum