Qiskit/qiskit-ibm-runtime
Dec 2024 – Aug 2025
6 Months active
Languages Used
Python
Technical Skills
Code ValidationPythonPython DevelopmentQuantum ComputingTestingUnit Testing
Yael Ben-Haim
PROFILE
Yael Ben-haim
Yael Ben-Haim contributed to the Qiskit/qiskit-ibm-runtime repository by developing and refining backend features for quantum circuit execution, focusing on robust parameter validation, serialization, and error handling. She implemented RZZ gate angle validation and enhanced translation pipeline configurability, ensuring reliable circuit transpilation and simulation. Her work included introducing backward-compatible serialization pathways, updating data structures, and expanding test coverage to support evolving runtime requirements. Using Python and leveraging skills in API design, data serialization, and quantum computing, Yael addressed input validation and error messaging, reducing runtime failures and improving maintainability. Her engineering demonstrated depth in both backend and testing practices.
Overall Statistics
Feature vs Bugs
67%Features
Repository Contributions
11Total
Bugs
3
Commits
11
Features
6
Lines of code
1,028
Activity Months6
Your Network
57 people
Work History
August 2025
2 Commits • 1 Features
Aug 1, 2025Month: 2025-08 — Delivered backward-compatible serialization pathway for Twirled Slice Spans in Qiskit runtime, introduced TwirledSliceSpanV2, updated encoder/decoder, and expanded tests to cover additional twirl1 span; fixed a critical serialization compatibility bug. This work improves cross-version data exchange reliability and reduces upgrade risk.
2 Commits • 1 Features
Aug 1, 2025Month: 2025-08 — Delivered backward-compatible serialization pathway for Twirled Slice Spans in Qiskit runtime, introduced TwirledSliceSpanV2, updated encoder/decoder, and expanded tests to cover additional twirl1 span; fixed a critical serialization compatibility bug. This work improves cross-version data exchange reliability and reduces upgrade risk.
August 2025
July 2025
3 Commits • 2 Features
Jul 1, 2025July 2025 monthly summary for Qiskit/qiskit-ibm-runtime focusing on reliability improvements and feature enhancements. Highlights include robust error handling in ExecutionSpan, versioning and mask truncation for TwirledSliceSpan, and RZZ gate parameter validation and constraints. All work includes unit tests and release notes to ensure maintainability and clear documentation.
July 2025
3 Commits • 2 Features
Jul 1, 2025July 2025 monthly summary for Qiskit/qiskit-ibm-runtime focusing on reliability improvements and feature enhancements. Highlights include robust error handling in ExecutionSpan, versioning and mask truncation for TwirledSliceSpan, and RZZ gate parameter validation and constraints. All work includes unit tests and release notes to ensure maintainability and clear documentation.
May 2025
1 Commits
May 1, 2025May 2025 monthly summary for Qiskit/qiskit-ibm-runtime: Hardened input validation and error handling to improve reliability and user feedback. Implemented robust checks for observables, ensured Pauli operations only, validated classical register metadata, and prevented projections. Updated IBMInputValueError to inherit from ValueError. These changes reduce runtime failures due to invalid inputs and improve debuggability.
1 Commits
May 1, 2025May 2025 monthly summary for Qiskit/qiskit-ibm-runtime: Hardened input validation and error handling to improve reliability and user feedback. Implemented robust checks for observables, ensured Pauli operations only, validated classical register metadata, and prevented projections. Updated IBMInputValueError to inherit from ValueError. These changes reduce runtime failures due to invalid inputs and improve debuggability.
May 2025
March 2025
1 Commits • 1 Features
Mar 1, 2025March 2025 monthly summary for Qiskit/qiskit-ibm-runtime focused on test-suite quality improvements. Delivered targeted code cleanup in test_estimator.py to streamline processing; no customer-facing features or major bug fixes this month. The change reduces maintenance overhead and minimizes regression risk, establishing a clearer foundation for future test iterations.
March 2025
1 Commits • 1 Features
Mar 1, 2025March 2025 monthly summary for Qiskit/qiskit-ibm-runtime focused on test-suite quality improvements. Delivered targeted code cleanup in test_estimator.py to streamline processing; no customer-facing features or major bug fixes this month. The change reduces maintenance overhead and minimizes regression risk, establishing a clearer foundation for future test iterations.
January 2025
2 Commits • 1 Features
Jan 1, 2025January 2025 performance update for Qiskit/qiskit-ibm-runtime. Focused on increasing translation pipeline configurability and strengthening gate parameter validation to improve reliability, backend compatibility, and overall user experience. Delivered two targeted changes with clear business value and incremental improvements to circuit translation and simulation accuracy.
2 Commits • 1 Features
Jan 1, 2025January 2025 performance update for Qiskit/qiskit-ibm-runtime. Focused on increasing translation pipeline configurability and strengthening gate parameter validation to improve reliability, backend compatibility, and overall user experience. Delivered two targeted changes with clear business value and incremental improvements to circuit translation and simulation accuracy.
January 2025
December 2024
2 Commits • 1 Features
Dec 1, 2024December 2024: Delivered robust RZZ gate angle validation for Qiskit Runtime, ensuring angles are within [0, pi/2] for both fixed and parameterized configurations. Introduced validation utilities and expanded tests to improve robustness and maintainability. Resolved issues by correcting RZZ test typos, improving test reliability and feedback loops. These changes enhance runtime safety, reduce misconfiguration risk for users, and support more dependable experiment outcomes on IBM Quantum services.
December 2024
2 Commits • 1 Features
Dec 1, 2024December 2024: Delivered robust RZZ gate angle validation for Qiskit Runtime, ensuring angles are within [0, pi/2] for both fixed and parameterized configurations. Introduced validation utilities and expanded tests to improve robustness and maintainability. Resolved issues by correcting RZZ test typos, improving test reliability and feedback loops. These changes enhance runtime safety, reduce misconfiguration risk for users, and support more dependable experiment outcomes on IBM Quantum services.
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Quality Metrics
Correctness91.8%
Maintainability87.2%
Architecture84.6%
Performance80.0%
AI Usage20.0%
Skills & Technologies
Programming Languages
Python
Technical Skills
API DesignBackend DevelopmentBackward CompatibilityCircuit SimulationCircuit TranspilationCode RefactoringCode ValidationData SerializationData StructuresError HandlingFull Stack DevelopmentInput ValidationJSON HandlingParameter HandlingParameterization
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