Full Stack Engineer

Full Stack Developer (Backend Focus) | TypeScript | Node.js | FinTech📍 London🏡 Flexible Working (1 Day Remote)💰 Competitive Salary + BenefitsWe're working with an innovative FinTech business that is transforming the way investment professionals manage and monitor structured products through cutting-edge technology.Their flagship platform provides real-time pricing, portfolio monitoring, market data integration, notifications, and advanced analytics, helping clients gain deeper insights into complex financial products.As the company continues to grow, they are looking for a Full Stack Developer with a strong backend focus to join their engineering team and contribute to the development of scalable, cloud-native applications used by financial institutions and investment professionals.The RoleYou'll play a key role in the development of core platform functionality, working across backend services, APIs, databases, and cloud infrastructure while collaborating closely with frontend engineers and product teams.This is an excellent opportunity for a developer who enjoys building robust backend systems while maintaining exposure to modern frontend technologies.ResponsibilitiesBackend DevelopmentDesign, develop, and maintain RESTful APIs using TypeScript and Node.js.Build scalable backend services supporting real-time financial data processing and portfolio management.Develop and maintain business-critical functionality within a service-oriented and microservices architecture.Ensure solutions are secure, reliable, and performant.Data & Database EngineeringDesign and optimise SQL and NoSQL database solutions.Develop efficient queries and improve application performance through effective data modelling.Support data integrity, migrations, and ongoing database optimisation.Cloud & DevOpsWork with AWS services including Lambda, API Gateway, and cloud-hosted databases.Contribute to CI/CD pipelines and deployment processes.Support containerised applications and modern development workflows.Assist with monitoring, troubleshooting, and production support activities.Full Stack CollaborationWork alongside frontend developers using React and Next.js.Integrate backend services with user-facing applications.Participate in technical design discussions and architectural decision-making.Skills & ExperienceEssentialCommercial experience with TypeScript and Node.js.Experience building RESTful APIs and backend services.Strong understanding of relational and/or NoSQL databases.Experience with Git and collaborative software development practices.Understanding of software engineering principles, design patterns, and object-oriented programming.Strong communication and problem-solving skills.DesirableExperience with AWS, Azure, or GCP.Exposure to microservices architecture.Docker and containerisation experience.CI/CD pipeline knowledge.Experience with React and Next.js.Previous experience within a FinTech or data-driven environment.What's On Offer?Opportunity to work on a market-leading FinTech platform.Modern TypeScript-focused technology stack.Exposure to cloud-native architecture and scalable distributed systems.Collaborative engineering culture with experienced technical leadership.Strong opportunities for career progression and professional development.Flexible working with one day per week working from home.