Opentrons/opentrons
Nov 2024 – Jun 2026
19 Months active
Languages Used
PythonSQLTypeScriptJavaScripttsxJSONcssts
Technical Skills
API DevelopmentBackend DevelopmentDatabase ManagementDatabase MigrationFrontend DevelopmentPython
TamarZanzouri
PROFILE
Tamarzanzouri
Over 19 months, contributed to the Opentrons/opentrons repository by building and refining automation workflows, focusing on robust error handling, secure authentication, and scalable hardware integration. Delivered features such as enhanced liquid handling UIs, resilient Flex Stacker management, and modular deck configuration, using technologies like React, TypeScript, and Python. Applied backend skills with FastAPI and SQLAlchemy to implement database-backed user management, access control, and audit logging. Prioritized maintainability through code refactoring, comprehensive testing, and localization support. The work improved reliability, security, and operator experience, enabling faster protocol setup, safer device operation, and streamlined onboarding for complex laboratory automation systems.
Overall Statistics
Feature vs Bugs
82%Features
Repository Contributions
93Total
Bugs
8
Commits
93
Features
36
Lines of code
38,441
Activity Months19
Your Network
29 peopleWork History
June 2026
2 Commits • 1 Features
Jun 1, 2026June 2026 — Opentrons/opentrons: Delivered a secure password reset flow and tightened authentication scopes to improve security and user experience. Implemented a reset password process for users with temporary passwords, updated API endpoints for password changes, refreshed the login modal to support the new flow, and refined password reset scopes to restrict actions until the password is updated. Two commits under (#21654, #21722) were merged, delivering measurable business value by reducing risk and improving onboarding.
2 Commits • 1 Features
Jun 1, 2026June 2026 — Opentrons/opentrons: Delivered a secure password reset flow and tightened authentication scopes to improve security and user experience. Implemented a reset password process for users with temporary passwords, updated API endpoints for password changes, refreshed the login modal to support the new flow, and refined password reset scopes to restrict actions until the password is updated. Two commits under (#21654, #21722) were merged, delivering measurable business value by reducing risk and improving onboarding.
June 2026
May 2026
10 Commits • 4 Features
May 1, 2026May 2026 performance summary for Opentrons/opentrons. Delivered features strengthening auditability, security, and device UX; advanced security practices and password management; and UX improvements for on-device workflows. Achieved reliability and maintainability gains through targeted refactors and UI tweaks, while reducing risk by removing sensitive data from the repo and tightening action/post logic in access control flows.
May 2026
10 Commits • 4 Features
May 1, 2026May 2026 performance summary for Opentrons/opentrons. Delivered features strengthening auditability, security, and device UX; advanced security practices and password management; and UX improvements for on-device workflows. Achieved reliability and maintainability gains through targeted refactors and UI tweaks, while reducing risk by removing sensitive data from the repo and tightening action/post logic in access control flows.
April 2026
5 Commits • 2 Features
Apr 1, 2026Month: 2026-04 — Opentrons/opentrons Key features delivered: - Robot Server Access Control and User Security Enhancements: Consolidated access control settings, admin credential requirements, password reset flag, and improved configuration loading to harden server security and tighten control over robot operations. - UI-based User Authentication Flow: Implemented a structured login UI with username/password entry, error handling, and navigation controls to improve authentication UX. Major bugs fixed: - auth-server: add missing props to settings to prevent misconfig and ensure consistent auth behavior. - refactor(server-utils): extract shared .env loading utility to reduce duplication and improve startup reliability. - feat(auth-server): mark user with password reset flag to ensure proper reset workflows. Overall impact and accomplishments: - Strengthened security posture and governance across robot control and authentication layers. - Improved user experience and reliability of login/auth flows, reducing potential downtime and support tickets. - Increased maintainability via shared utilities and clearer configuration boundaries, enabling faster onboarding and future changes. Technologies/skills demonstrated: - Security hardening, access control governance, and authentication design (server-side and UI). - Frontend UI/UX improvements for critical authentication workflows. - Code refactoring and shared utilities for .env loading and configuration management. - Clear traceability from commits to features and fixes.
5 Commits • 2 Features
Apr 1, 2026Month: 2026-04 — Opentrons/opentrons Key features delivered: - Robot Server Access Control and User Security Enhancements: Consolidated access control settings, admin credential requirements, password reset flag, and improved configuration loading to harden server security and tighten control over robot operations. - UI-based User Authentication Flow: Implemented a structured login UI with username/password entry, error handling, and navigation controls to improve authentication UX. Major bugs fixed: - auth-server: add missing props to settings to prevent misconfig and ensure consistent auth behavior. - refactor(server-utils): extract shared .env loading utility to reduce duplication and improve startup reliability. - feat(auth-server): mark user with password reset flag to ensure proper reset workflows. Overall impact and accomplishments: - Strengthened security posture and governance across robot control and authentication layers. - Improved user experience and reliability of login/auth flows, reducing potential downtime and support tickets. - Increased maintainability via shared utilities and clearer configuration boundaries, enabling faster onboarding and future changes. Technologies/skills demonstrated: - Security hardening, access control governance, and authentication design (server-side and UI). - Frontend UI/UX improvements for critical authentication workflows. - Code refactoring and shared utilities for .env loading and configuration management. - Clear traceability from commits to features and fixes.
April 2026
March 2026
4 Commits • 1 Features
Mar 1, 2026March 2026 monthly summary for Opentrons/opentrons focusing on the Enhanced User Management and Security (Auth System) upgrade. Delivered a comprehensive upgrade to the authentication/authorization subsystem, including DB-backed user management (CRUD), account settings persistence, a dedicated access-control endpoint, and Alembic-based migration infrastructure to support schema versioning. This work strengthens security controls, improves governance, and enables scalable user management across services. No critical bugs were reported this month; the authentication upgrade also resolves several long-standing auth-related issues by providing a migration-ready, policy-driven framework for future changes.
March 2026
4 Commits • 1 Features
Mar 1, 2026March 2026 monthly summary for Opentrons/opentrons focusing on the Enhanced User Management and Security (Auth System) upgrade. Delivered a comprehensive upgrade to the authentication/authorization subsystem, including DB-backed user management (CRUD), account settings persistence, a dedicated access-control endpoint, and Alembic-based migration infrastructure to support schema versioning. This work strengthens security controls, improves governance, and enables scalable user management across services. No critical bugs were reported this month; the authentication upgrade also resolves several long-standing auth-related issues by providing a migration-ready, policy-driven framework for future changes.
February 2026
3 Commits • 2 Features
Feb 1, 2026February 2026 monthly summary for Opentrons/opentrons: focused delivery of protocol design enhancements and API modularity to increase reliability, onboarding speed, and future scalability. Key work centered on combo fixture support in the Protocol Designer and a targeted reorganization of JSON API models for modularity and maintainability.
3 Commits • 2 Features
Feb 1, 2026February 2026 monthly summary for Opentrons/opentrons: focused delivery of protocol design enhancements and API modularity to increase reliability, onboarding speed, and future scalability. Key work centered on combo fixture support in the Protocol Designer and a targeted reorganization of JSON API models for modularity and maintainability.
February 2026
January 2026
6 Commits • 2 Features
Jan 1, 2026January 2026 summary for Opentrons/opentrons: focused on improving protocol designer UX and stability, enabling more efficient liquid handling, and expanding hardware integration.
January 2026
6 Commits • 2 Features
Jan 1, 2026January 2026 summary for Opentrons/opentrons: focused on improving protocol designer UX and stability, enabling more efficient liquid handling, and expanding hardware integration.
December 2025
2 Commits • 1 Features
Dec 1, 2025Concise monthly summary for 2025-12 focused on Opentrons/opentrons, highlighting delivered features, major bug fixes, impact, and technologies demonstrated. Emphasizes business value and technical achievements with traceability to commits.
2 Commits • 1 Features
Dec 1, 2025Concise monthly summary for 2025-12 focused on Opentrons/opentrons, highlighting delivered features, major bug fixes, impact, and technologies demonstrated. Emphasizes business value and technical achievements with traceability to commits.
December 2025
November 2025
2 Commits • 1 Features
Nov 1, 2025November 2025 summary for Opentrons/opentrons: Delivered major feature enhancements to the liquid handling workflow, pairing a bulk liquid assignment UI with strengthened internal FlexStacker state management to enable reliable filling, emptying, and storing of labware in automated workflows. These changes streamline protocol design, reduce manual interventions, and improve run-time reliability for multi-labware setups across automated platforms.
November 2025
2 Commits • 1 Features
Nov 1, 2025November 2025 summary for Opentrons/opentrons: Delivered major feature enhancements to the liquid handling workflow, pairing a bulk liquid assignment UI with strengthened internal FlexStacker state management to enable reliable filling, emptying, and storing of labware in automated workflows. These changes streamline protocol design, reduce manual interventions, and improve run-time reliability for multi-labware setups across automated platforms.
October 2025
1 Commits • 1 Features
Oct 1, 2025October 2025: Delivered user-facing error handling enhancements in the Error Recovery flow for the Opentrons platform. Implemented banners and modal error checks for stacker/shuttle-related errors (including STACKER_SHUTTLE_OCCUPIED and STACKER_HOPPER_OR_SHUTTLE_EMPTY), improving clarity and resolution paths for users. Updated unit tests to validate rendering and messaging. Fixed shuttle-full error text and details to align UI copy with actual behavior, raising code quality and test coverage.
1 Commits • 1 Features
Oct 1, 2025October 2025: Delivered user-facing error handling enhancements in the Error Recovery flow for the Opentrons platform. Implemented banners and modal error checks for stacker/shuttle-related errors (including STACKER_SHUTTLE_OCCUPIED and STACKER_HOPPER_OR_SHUTTLE_EMPTY), improving clarity and resolution paths for users. Updated unit tests to validate rendering and messaging. Fixed shuttle-full error text and details to align UI copy with actual behavior, raising code quality and test coverage.
October 2025
September 2025
8 Commits • 2 Features
Sep 1, 2025September 2025: Delivered key resilience and UI improvements for the Opentrons platform. Focused on fault-tolerant error recovery for Stacker and Shuttle, introduced a reusable OverlayModal for the Protocol Designer, and strengthened testing and UI consistency. These changes reduce manual recovery time, improve operator experience, and lay groundwork for faster onboarding of new protocols.
September 2025
8 Commits • 2 Features
Sep 1, 2025September 2025: Delivered key resilience and UI improvements for the Opentrons platform. Focused on fault-tolerant error recovery for Stacker and Shuttle, introduced a reusable OverlayModal for the Protocol Designer, and strengthened testing and UI consistency. These changes reduce manual recovery time, improve operator experience, and lay groundwork for faster onboarding of new protocols.
August 2025
14 Commits • 4 Features
Aug 1, 2025August 2025 focused on delivering robust deck configuration UX, expanding hardware support, and hardening deck-resolution logic to improve reliability, reduce configuration errors, and accelerate protocol development. Key items included a UI/UX overhaul for deck configuration with consistent fixture naming, slot-based sorting, alignment, and performance optimizations; new support for Absorbance Reader and Thermocycler modules; and extensive improvements to combo fixtures and waste chute handling to ensure correct labware display, compatibility, and addressable-area management. The work tightened validation, reduced slow-paths in deck config, and strengthened test coverage for critical flows, delivering tangible business value in faster protocol setup and more reliable automation.
14 Commits • 4 Features
Aug 1, 2025August 2025 focused on delivering robust deck configuration UX, expanding hardware support, and hardening deck-resolution logic to improve reliability, reduce configuration errors, and accelerate protocol development. Key items included a UI/UX overhaul for deck configuration with consistent fixture naming, slot-based sorting, alignment, and performance optimizations; new support for Absorbance Reader and Thermocycler modules; and extensive improvements to combo fixtures and waste chute handling to ensure correct labware display, compatibility, and addressable-area management. The work tightened validation, reduced slow-paths in deck config, and strengthened test coverage for critical flows, delivering tangible business value in faster protocol setup and more reliable automation.
August 2025
July 2025
8 Commits • 2 Features
Jul 1, 2025July 2025 performance highlights focused on strengthening deck configuration, error recovery, and UI reliability for hardware workflows in Opentrons. Delivered a deck-aware fixture/module placement experience with a unified waste chute/fixture options UI, improved error recovery with a shuttle-empty step and standardized guidance, and implemented clearer error handling and banners for missing stacker shuttles. Resolved gaps in fixture/trash bin/waste chute display logic to reduce misconfigurations, improving operator guidance and hardware setup success rates.
July 2025
8 Commits • 2 Features
Jul 1, 2025July 2025 performance highlights focused on strengthening deck configuration, error recovery, and UI reliability for hardware workflows in Opentrons. Delivered a deck-aware fixture/module placement experience with a unified waste chute/fixture options UI, improved error recovery with a shuttle-empty step and standardized guidance, and implemented clearer error handling and banners for missing stacker shuttles. Resolved gaps in fixture/trash bin/waste chute display logic to reduce misconfigurations, improving operator guidance and hardware setup success rates.
June 2025
4 Commits • 2 Features
Jun 1, 2025June 2025 monthly performance summary for Opentrons/opentrons. Focused on delivering Addressable Areas (AAs) integration for fixture placement and deck display, and on refactoring deck configuration to better handle AAs and USB module serial management. These changes improve hardware visibility, reduce configuration complexity, and enable scalable fixture customization across decks.
4 Commits • 2 Features
Jun 1, 2025June 2025 monthly performance summary for Opentrons/opentrons. Focused on delivering Addressable Areas (AAs) integration for fixture placement and deck display, and on refactoring deck configuration to better handle AAs and USB module serial management. These changes improve hardware visibility, reduce configuration complexity, and enable scalable fixture customization across decks.
June 2025
May 2025
3 Commits • 2 Features
May 1, 2025Month: 2025-05 — Delivered two high-value features for Opentrons/opentrons with focused reliability and configurability improvements, plus targeted bug fixes that reduce downtime and improve operator guidance.
May 2025
3 Commits • 2 Features
May 1, 2025Month: 2025-05 — Delivered two high-value features for Opentrons/opentrons with focused reliability and configurability improvements, plus targeted bug fixes that reduce downtime and improve operator guidance.
April 2025
5 Commits • 2 Features
Apr 1, 2025April 2025: Opentrons/opentrons focused on stabilizing Flex Stacker labware handling and improving command rendering to boost automation reliability and operator clarity. Delivered targeted resilience and usability improvements, including crash fixes, recovery flows, and unit-tested command rendering enhancements. These changes reduce downtime, edge-case failures, and support scalable lab automation in production environments.
5 Commits • 2 Features
Apr 1, 2025April 2025: Opentrons/opentrons focused on stabilizing Flex Stacker labware handling and improving command rendering to boost automation reliability and operator clarity. Delivered targeted resilience and usability improvements, including crash fixes, recovery flows, and unit-tested command rendering enhancements. These changes reduce downtime, edge-case failures, and support scalable lab automation in production environments.
April 2025
March 2025
2 Commits • 1 Features
Mar 1, 2025March 2025: Implemented robust stall and collision error handling for the Flex Stacker and transporter workflow in Opentrons, delivering standardized error types, clearer recovery paths, and improved resilience. This work reduces downtime, improves operator guidance, and strengthens labware handling reliability. Technologies demonstrated include error type design (FlexStackerStallOrCollisionError), API-level error mapping for Retrieve/Store, and recovery flow orchestration across stacker and transporter components. Commits illustrate concrete changes: 7705c4731b6a403603058f59bd2f7a0600a15f86 (chore(api): return stall/collision defined error from stacker store) and f2324db554f78f64ee55f685e0f5289ad4ef73bd (feature(app): ER for transporter unable to reach final position due to stall obstruction).
March 2025
2 Commits • 1 Features
Mar 1, 2025March 2025: Implemented robust stall and collision error handling for the Flex Stacker and transporter workflow in Opentrons, delivering standardized error types, clearer recovery paths, and improved resilience. This work reduces downtime, improves operator guidance, and strengthens labware handling reliability. Technologies demonstrated include error type design (FlexStackerStallOrCollisionError), API-level error mapping for Retrieve/Store, and recovery flow orchestration across stacker and transporter components. Commits illustrate concrete changes: 7705c4731b6a403603058f59bd2f7a0600a15f86 (chore(api): return stall/collision defined error from stacker store) and f2324db554f78f64ee55f685e0f5289ad4ef73bd (feature(app): ER for transporter unable to reach final position due to stall obstruction).
February 2025
5 Commits • 3 Features
Feb 1, 2025February 2025 (Opentrons/opentrons) monthly summary highlighting delivery of UX-focused workflow improvements, stability fixes for hardware interactions, and extended UI capabilities that drive operational efficiency and reduce support load. Focused on business value by accelerating protocol setup, clarifying labware visualization, and improving actionable contextual information in interventions.
5 Commits • 3 Features
Feb 1, 2025February 2025 (Opentrons/opentrons) monthly summary highlighting delivery of UX-focused workflow improvements, stability fixes for hardware interactions, and extended UI capabilities that drive operational efficiency and reduce support load. Focused on business value by accelerating protocol setup, clarifying labware visualization, and improving actionable contextual information in interventions.
February 2025
January 2025
4 Commits • 1 Features
Jan 1, 2025Overview for 2025-01: Key features delivered include Absorbance Reader state management refactor with new state update mechanism and tests, and improved run logging for absorbance workflows. Major bugs fixed include ensuring run logs display generated file IDs and robust handling of pipette over-pressure during liquid probing. Overall impact: increased reliability, traceability, and maintainability of core protocols with safer error propagation and better protocol execution records. Technologies/skills demonstrated: state-management refactor, Python testing, API/command execution flow improvements, error handling, and logging with commit-level traceability to #17113, #17205, #17369, and #17379.
January 2025
4 Commits • 1 Features
Jan 1, 2025Overview for 2025-01: Key features delivered include Absorbance Reader state management refactor with new state update mechanism and tests, and improved run logging for absorbance workflows. Major bugs fixed include ensuring run logs display generated file IDs and robust handling of pipette over-pressure during liquid probing. Overall impact: increased reliability, traceability, and maintainability of core protocols with safer error propagation and better protocol execution records. Technologies/skills demonstrated: state-management refactor, Python testing, API/command execution flow improvements, error handling, and logging with commit-level traceability to #17113, #17205, #17369, and #17379.
November 2024
5 Commits • 2 Features
Nov 1, 2024November 2024 monthly summary for Opentrons/opentrons focusing on safety, reliability, and improved error visibility. Deliveries emphasized safe gripper operation, robust error tracking, and performance improvements to migrations and motor state handling, resulting in clearer debugging, safer workflows, and more predictable robot behavior in production.
5 Commits • 2 Features
Nov 1, 2024November 2024 monthly summary for Opentrons/opentrons focusing on safety, reliability, and improved error visibility. Deliveries emphasized safe gripper operation, robust error tracking, and performance improvements to migrations and motor state handling, resulting in clearer debugging, safer workflows, and more predictable robot behavior in production.
November 2024
Activity
Loading activity data...
Quality Metrics
Correctness90.8%
Maintainability85.6%
Architecture86.4%
Performance83.0%
AI Usage27.6%
Skills & Technologies
Programming Languages
CSSJSONJavaScriptPythonReactSQLTypeScriptcssplaintextts
Technical Skills
API DevelopmentAPI IntegrationAPI designAPI developmentAlembicBackend DevelopmentBug FixingCode RefactoringComponent DevelopmentComponent RefactoringDatabase ManagementDatabase MigrationError HandlingFastAPIFixture Management
Repositories Contributed To
Overview of all repositories you've contributed to across your timeline