PinnedHarshhak chancchawt·Jan 14, 2023A Journey from Developer to ArchitectWhen I joined IBM in the year 2003, I was always mesmerized by how architects visualize and suggest solutions.
Harshhak chancchawt·Sep 13Quantum for Developers, Part 10: One Real Deadline, Everything Else Is LearningQuantum for Developers — Part 10 of 10. The finale.
Harshhak chancchawt·Sep 5From Simulator to Real Hardware: Your 10 Gates Become 163Quantum for Developers — Part 9 of 10. Eight weeks of theory and simulators. This week, the machine.
Harshhak chancchawt·Aug 29Quantum and Data: The Bottleneck Where Speedups Go to DieAmplitude vs basis vs angle encoding, why loading 1,024 numbers can cost 2,376 gates — and how to design data pipelines around a QPU
Harshhak chancchawt·Aug 22Hybrid Architecture Patterns: Where the QPU Actually Fits in Your SystemOrchestration patterns, quantum-as-a-service integration, and the latency, cost, and failure modes the demos never mention
Harshhak chancchawt·Aug 15Post-Quantum Security: Your Encryption Has an Expiry DateHarvest-now-decrypt-later, the NIST standards, what actually changes in your code — and an action list ordered by urgency
Harshhak chancchawt·Aug 8The Quantum Algorithms That Matter: Grover, Shor, VQE, QAOAWhat each one actually does, the use cases behind the acronyms, and which speedup claims survive contact with practice
Harshhak chancchawt·Aug 1The Quantum Developer Toolchain: Qiskit vs Cirq vs Braket vs Q#SDK ergonomics, hardware access, real pricing, and a decision matrix for picking your first quantum stack
Harshhak chancchawt·Jul 25Errors in Quantum: Why Qubits Lie, and How We Fix ThemDecoherence, mitigation vs correction, and why hundreds to thousands of physical qubits may become one logical qubit
Harshhak chancchawt·Jul 18Quantum for AI vs AI for Quantum: The Distinction Everyone MissesWhere the hype ends and the architecture begins — an architect’s honest map of quantum machine learning in 2026
