Title: Senior Full Stack Developer (React andamp; Node)Salary: Up to £90,000 D.O.E Location: London (Hybrid)iO Associates is working with a global FinTech Powerhouse that''s leading the charge in delivering high-performance electronic trading platforms for institutional clients - and they''re now looking for a Senior Full Stack Developer to join their growing engineering team!This is a fantastic opportunity to take ownership of a cutting-edge trading product and play a key role in building scalable, client-facing solutions using modern JavaScript technologies.What you''ll be doing:Designing and developing robust full stack applications using React.js (v16+) and Node.jsWorking directly with proprietary trading engines to create high-performance toolsBuilding white-label trading platforms tailored to client needsCollaborating with global trading and research teams to deliver innovative featuresContributing across the full software life cycle, from design to production supportWhat you''ll get: Competitive salary plus bonus schemeFlexible working hours25 days holiday plus bank holidaysLearning and development opportunitiesAnd more!This is a career-defining role where you''ll have real influence over the architecture, performance, and evolution of a world-class trading solution. If you thrive in a fast-paced, high-impact environment - this one''s for you.If you''re interested in this role or know someone who would be, then please apply to this advert and email