Priyanshu Tiwari is a Senior Software Engineer based in Gurugram with six years of full-stack experience and a strong backend focus, currently building high-impact products at HackerRank. He was a founding engineer on SkillUp, helping take the product from 0 to nearly $1M ARR and now driving its next stage of scaling while maintaining strict SLOs and sub-second latencies. Priyanshu designs fault-tolerant async systems and API-first services (OAuth2 modules, BullMQ/Redis workers) and has revamped RAG pipelines with FastAPI and LangChain to cut TTFB dramatically. He mentors early-career engineers, runs technical interviews, and has built developer-facing tools like SkillUpBot used by 10K+ active users. An active contributor to algo-ds-101, he implements cross-language algorithmic solutions (including a full BST in Python), reflecting a commitment to fundamentals alongside product engineering.
7 years of coding experience
4 years of employment as a software developer
Bachelor of Technology Information Technology, Bachelor of Technology Information Technology at Guru Nanak Dev Engineering College, Ludhiana
Curated list of data structures and algorithms in 10+ programming languages.
Role in this project:
Full-stack Developer
Contributions:1152 reviews, 1173 commits, 1303 PRs in 1 year
Contributions summary:Priyanshu contributed significantly to the `algo-ds-101` repository, implementing and structuring various data structures and algorithms. Their work includes a complete implementation of a Binary Search Tree (BST) in Python, showcasing skills in object-oriented programming and tree traversal methods. They also added and maintained code snippets in different programming languages, like C, C++, Java, Ruby, and Swift, indicating a focus on algorithm understanding across multiple technologies.
Contributions:16 commits, 15 pushes, 2 branches in 2 years
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