Uman Shahzad
About
Uman Shahzad is from Lahore, Punjab, Pakistan. Uman is currently CEO at mslm, located in Lahore, Punjab, Pakistan.
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Uman Shahzad's current jobs
Designing a software tech stack from scratch, including language, libraries, etc. Details: - Built high-performance coroutine runtime with full concurrency/synchronization facilities in C. - Built network cache server in C (supports TTL+LRU and pipelined requests). - Built arbitrary-precision math system for unsigned & signed numbers in C. - Built AES-{128,192,256} CBC/ECB algorithm in C. - Built HMAC-SHA-{1,224,256,384,512} algorithm in C. - Built SMTP & DNS client in C. - Built fast & fully-compliant JSON & CSV parsers in C. - Built UTF-8 encoding/decoding facilities in C. - Built base{16,16low,32,32hex,64,64url} encoders & decoders in C. - Built generic auto-growing buffer & list wrappers in C. - Built several core data structures in C; red-black tree/hashtable/bin-heap/etc. - Built memory debugger for transparent memleaks+NULL free detection. - Designed C extension language called ”mlang”. - Built bulk email verification system in Golang. - Built componentized SPA frontend app with raw SCSS/JS; no framework.