Hi, I'm Abdul Raheem — a Senior Backend Engineer with 8 years of experience, currently building payment infrastructure at Wallester in Tallinn, Estonia. On the side, I design, build and launch my own products end to end.
Years of experience
Transactions / month handled
Product live on App Store & web
Built end to end, idea → launch
Card-issuing & payments platform — cloud-native services (Golang, gRPC, Kubernetes, AWS) handling millions of transactions per month.
Enterprise backend services, REST APIs and workflow automation across .NET Core, ASP.NET Core, Angular and Java microservices for international clients.
Fintech backend (C#, .NET 5, EF Core, Azure SQL) with serverless financial workflows on Azure Functions & Logic Apps.
ASP.NET Core / Angular applications and Azure IoT solutions (IoT Hub, Event Hub, Stream Analytics) on serverless, microservice architecture.
Mortgage-platform features (ASP.NET Core, Angular) and Salesforce–banking integrations on Azure and AWS.
AI-powered parenting companion. Daily activities and a guide chat grounded in a 60+ source knowledge base, with progress told through moments — never scores. Built solo, end to end.
Find halal food near you with confidence — a community-verified halal restaurant guide with reviews and map discovery. Built on a .NET 8 API with a TanStack Start frontend.
Model Context Protocol servers in Go and .NET, wrapping one shared e-commerce service layer with tools, resources and prompts — a reference for building real MCP integrations.
Open to conversations about backend, fintech and product engineering roles.