🟢 Open to internships, junior backend roles, and systems-related collaboration · remote only · Sylhet, BD
public class MuhaiminMukammel {
private String role = "Java Backend Engineer";
private String location = "Bangladesh";
private String focus = "Systems from first principles";
public List<String> expertise() {
return List.of(
"Backend systems in Java",
"Concurrency & multithreading",
"Database internals & storage",
"Networking & raw HTTP",
"Realtime systems (WebSocket / Redis Pub-Sub)"
);
}
public Map<String, String> currentFocus() {
return Map.of(
"Realtime Crypto Gateway", "WebSocket · Redis Pub/Sub · fan-out",
"Distributed E-commerce", "Service boundaries · caching · communication",
"Deeper systems", "gRPC · failure modes · consistency trade-offs"
);
}
}
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Custom single-file relational engine
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Multi-threaded job processing engine
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Spring Boot banking backend
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HTTP server from raw sockets
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I write about the problems I’m actively wrestling with:
