Design, develop, evaluate, and maintain responsive React applications, portals, and embeddable widget experiences that can be integrated into partner platforms.Build secure, versioned, well-documented REST APIs and microservices using C# and .NET Core.Implement business workflows and integrations across embedded finance providers, partner systems, enterprise APIs, webhooks, file exchanges, and AWS services.Work with PostgreSQL and MongoDB to design schemas, queries, indexes, migrations, and reliable data-access patterns.Contribute to AWS-native workloads running on EKS, Lambda, and batch/container services, with Step Functions or equivalent orchestration where appropriate.Write production-grade unit, component, integration, contract, and end-to-end tests using the relevant stack, including Jest for React and NUnit for .NET.Build reusable UI components and libraries, translate designs into accessible code, and optimize browser performance, responsiveness, and maintainability.Participate in API and event-contract design, code reviews, pairing, technical documentation, architecture discussions, and secure coding reviews.Contribute to infrastructure and delivery automation using CI/CD, Docker, Kubernetes, and infrastructure-as-code practices.Instrument services and user journeys with meaningful logs, metrics, traces, and alerts; troubleshoot defects and production issues across application layers.Collaborate with QA to improve automation, test data, environment readiness, and release confidence, and with SRE/operations teams to improve runbooks and recovery procedures.
