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Jack Rubacha

PROFILE

Jack Rubacha

Jack Rubacha engineered robust embedded systems and backend infrastructure for Northeastern-Electric-Racing, focusing on reliability, maintainability, and deployment efficiency. Across repositories like Embedded-Base and Shepherd-BMS, he delivered features such as flexible build tooling, advanced battery management, and real-time telemetry, leveraging C, Rust, and Python. Jack refactored build systems with CMake and Docker, integrated automated CI/CD pipelines, and enhanced CAN bus communication for safety-critical automotive applications. His work included code generation utilities, dynamic configuration management, and cross-platform support, resulting in streamlined development cycles and improved diagnostics. The depth of his contributions reflects strong technical ownership and thoughtful system design.

Overall Statistics

Feature vs Bugs

78%Features

Repository Contributions

135Total
Bugs
19
Commits
135
Features
69
Lines of code
122,226
Activity Months16

Work History

February 2026

1 Commits • 1 Features

Feb 1, 2026

February 2026 monthly summary focusing on delivering flexible build profiling and related maintainability improvements for Northeastern-Electric-Racing/Embedded-Base. Key outcomes include enabling per-profile builds, alignment with issue #361, and setting up a foundation for profile-based CI/testing. No major regressions observed; prepared groundwork for future improvements across the build and release pipeline.

January 2026

4 Commits • 3 Features

Jan 1, 2026

January 2026 monthly summary highlighting delivered features, fixed bugs, and strategic impact across Argos and Embedded-Base. Key outcomes include enhanced observability with Grafana integration, automated code generation tooling in ner_environment, improved build tooling for protobuf/gRPC, and a targeted patch optimization reducing unnecessary work. Focused on business value: faster insight, robust CI/CD readiness, and scalable development workflows.

December 2025

1 Commits • 1 Features

Dec 1, 2025

Monthly work summary for 2025-12: Focused on strengthening embedded tooling and the firmware build/flash workflow for Northeastern-Electric-Racing/Embedded-Base. Major features delivered: - ST OpenOCD integration for STM32 firmware build and flashing, enhancing compatibility with STM32CubeIDE and streamlining the flashing process for embedded targets. (Commit: 3be68d8a7c87855b39c5143ddca08b0af11ead6c; message: 'Add ST OpenOCD for eventual H5 use (#348)') Major bugs fixed: - No critical bugs reported in this period. Overall impact and accomplishments: - Improved reliability and speed of the firmware development cycle by integrating OpenOCD tooling, reducing manual steps and setup time for STM32 targets. - Laid groundwork for future H5 support, aligning with project roadmap and ST OpenOCD capabilities. - Strengthened CI readiness and cross-IDE workflow compatibility, enabling smoother collaboration and faster iteration. Technologies/skills demonstrated: - ST OpenOCD integration, STM32 firmware tooling, OpenOCD workflow, embedded build systems, and commit-driven development.

November 2025

1 Commits • 1 Features

Nov 1, 2025

November 2025 monthly summary for Northeastern-Electric-Racing/Embedded-Base: Delivered cross-platform ARM build enablement by introducing a CMake toolchain file, expanding hardware compatibility and enabling ARM-based validation. This work reduces manual ARM-specific build steps, improves CI reliability, and supports faster iteration on ARM devices. The change was implemented with a core commit: 'use cmake toolchain file' (9b8b80aea97b900205dfc3186dc3ab9cc562d46d).

October 2025

2 Commits • 2 Features

Oct 1, 2025

October 2025 monthly summary for Northeastern-Electric-Racing/Embedded-Base focusing on delivering feature capabilities, streamlining maintenance, and documenting changes. Key work included introducing a new messaging mode for Calypso and deprecating an older workflow, aligned with product goals and maintainability.

September 2025

2 Commits • 1 Features

Sep 1, 2025

September 2025 performance summary for Northeastern-Electric-Racing/Embedded-Base: Delivered key build-system improvements that increase flexibility, reduce setup friction, and improve maintainability. Implemented user-driven build configuration via a new --custom flag for debug and flash commands, with explicit support for LAUNCHPAD device setups. These changes simplify complex build matrices and empower teams to tailor builds to hardware targets without invasive code changes.

August 2025

3 Commits • 2 Features

Aug 1, 2025

Monthly performance summary for 2025-08 highlighting feature delivery, bug fixes, and system integration across Embedded-Base, Shepherd-BMS, and Cerberus. Emphasizes business value from testing flexibility, safety calibration, and robust CAN/RTDS data handling.

July 2025

5 Commits • 4 Features

Jul 1, 2025

July 2025 monthly summary focused on delivering safety-critical improvements, reliable data handling, and enhanced alerting across three repositories. Key results include pedal input calibration and fault-threshold tuning to increase pedal accuracy and reduce false fault trips, safety enhancements to prevent accidental ESC/TC activation, and the introduction of a real-time alert rules engine with client notifications. A flexible data formatting capability was added to support UI and reporting needs, improving presentation and extensibility.

June 2025

7 Commits • 4 Features

Jun 1, 2025

June 2025 monthly highlights: Delivered cross-repo safety-critical enhancements and foundational infrastructure across Cerberus, Embedded-Base, Argos, and Shepherd-BMS. Key features and groundwork were deployed to improve safety, reliability, and maintainability, and to enable future capabilities. Business value and impact: - Reduced risk of braking-related faults with tuned brake pedal thresholds, regenerative limits, pedal calibration, and enhanced BSPD safety checks in Cerberus. - Established scalable control/monitoring groundwork for the shockpot system via new data structures and initialization/config in Embedded-Base. - Prepared the Argos environment for database interactions by adding PostgreSQL client and refining Docker context, reducing integration friction. - Strengthened BMS reliability and diagnostics with thermal monitoring sanity checks, failure flags, and improved fault mapping in Shepherd-BMS. Overall, the month delivered measurable safety improvements, better diagnostics, and a solid foundation for future performance and feature work, with cross-repo collaboration and consistent coding practices driving maintainability and speed to market.

May 2025

13 Commits • 7 Features

May 1, 2025

May 2025 monthly summary focusing on business value and technical achievements across four repositories: Shepherd-BMS, Cerberus, Argos, and Embedded-Base. The team delivered robust feature work, stabilizing control loops, improving data integrity, and accelerating deployment readiness. Highlights include enhanced BMS fault handling and charging control, system bringup and tuning with launch control and regenerative braking refinements, real-time telemetry improvements and standardized timestamps, production-like deployment configurations, frontend architecture modernization, and MPU message precision updates.

April 2025

15 Commits • 8 Features

Apr 1, 2025

April 2025 monthly summary for Northeastern Electric Racing software projects. The month focused on improving maintainability, reliability, and data quality across critical subsystems, while expanding configuration flexibility and sensor/telemetry capabilities.

March 2025

14 Commits • 8 Features

Mar 1, 2025

In March 2025, Northeastern-Electric-Racing delivered significant software and firmware enhancements across Argos, Embedded-Base, Cerberus, and Shepherd-BMS, with a focus on robust configuration management, real-time telemetry, and reliability to support scalable hardware deployments and faster feature delivery.

February 2025

13 Commits • 5 Features

Feb 1, 2025

February 2025 monthly summary: Cross-repo improvements across Embedded-Base, Argos, and Shepherd-BMS delivering tangible business value through reliability, maintainability, and developer productivity. Key features delivered, major bug fixes, and technical accomplishments with explicit commit references.

January 2025

22 Commits • 9 Features

Jan 1, 2025

January 2025 performance summary: Across the Northeastern-Electric-Racing repositories, we delivered foundational tooling improvements, stability enhancements, performance upgrades, and ongoing CI/CD governance. These efforts translated into faster firmware iterations, more reliable debugging, stronger fault visibility, and clearer project tracking. Key deliverables include PlatformIO integration and a Typer-based Launchpad CLI for the NER firmware build (replacing the legacy tool and ensuring PlatformIO is installed in the dev environment); hardened development environment with explicit little-endian configuration and gdb-multiarch support for multi-architecture debugging; performance and reliability improvements in Argos (async Diesel integration, improved data batching, and jemalloc allocator) coupled with fault data processing enhancements and timer synchronization for real-time fault reporting; and maintenance/standardization work across Cerberus and Shepherd-BMS (CubeMX upgrade, issue templates enhancements, and CAN messaging refactor). These initiatives collectively reduce build and debugging friction, increase runtime efficiency, improve fault visibility, and strengthen project governance across the embedded software stack.

December 2024

11 Commits • 3 Features

Dec 1, 2024

December 2024 performance summary: Delivered automation and reliability improvements across multiple subsystems, strengthening build stability, real-time data processing, and data quality. Key deliverables include automated CI for Calypso builds, real-time socket updates with fault-aware MQTT topic processing, and plaintext protobuf playback data ingestion into Scylla with enhanced batching. Critical reliability fixes were completed for sensor data integrity (IMU MSB/LSB interpretation, IMU units, and torque corrections) and CAN dispatch reliability, with additional safety work triaging unsupported hardware to prevent build/runtime issues.

November 2024

21 Commits • 10 Features

Nov 1, 2024

November 2024 monthly summary across four Northeastern-Electric-Racing repositories. Key features delivered span embedded optimization, system reliability improvements, and production-readiness enhancements. Highlights include: Shepherd-BMS implementing floating-point build support and a Cerb-standard CAN refactor; Cerberus enabling floating-point printf, removing the serial_monitor layer, and adding a visual HardFault indicator; Embedded-Base optimizing BMS data handling with bitwise operations and enhancing CAN message simulation; Argos modernizing the Scylla server stack (Diesel migrations, production-ready Docker deployment, connection pooling) along with broadcast/socket communication improvements and CI/CD enhancements, driving reliability and deployment efficiency. Major bugs fixed include a data model correctness issue in Argos where the AsChangeset derive on the Data struct and upsert_data_type references were corrected to ensure proper updates and data integrity across deployments.

Activity

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Quality Metrics

Correctness82.0%
Maintainability82.4%
Architecture77.8%
Performance75.0%
AI Usage21.6%

Skills & Technologies

Programming Languages

CC++CSSDockerfileHTMLJSONJavaScriptMakefileMarkdownPython

Technical Skills

ADCADC ConfigurationAPI DevelopmentAngularAsynchronous ProgrammingAutomotive SoftwareBackend DevelopmentBatch ProcessingBattery Management SystemsBattery Management Systems (BMS)Bit ManipulationBitwise OperationsBuild System ConfigurationBuild SystemsC Programming

Repositories Contributed To

4 repos

Overview of all repositories you've contributed to across your timeline

Northeastern-Electric-Racing/Argos

Nov 2024 Jan 2026
10 Months active

Languages Used

C++DockerfileMarkdownRustSQLShellYAMLprotobuf

Technical Skills

API DevelopmentBackend DevelopmentCI/CDCode CleanupCode RefactoringConcurrency

Northeastern-Electric-Racing/Embedded-Base

Nov 2024 Feb 2026
16 Months active

Languages Used

CJSONYAMLPythonC++textMarkdownShell

Technical Skills

Battery Management SystemsBitwise OperationsC ProgrammingCAN CommunicationData ModelingEmbedded Systems

Northeastern-Electric-Racing/Cerberus

Nov 2024 Aug 2025
8 Months active

Languages Used

CMakefileYAML

Technical Skills

Build SystemsC ProgrammingDebuggingEmbedded SystemsFirmware DevelopmentMicrocontroller Programming

Northeastern-Electric-Racing/Shepherd-BMS

Nov 2024 Aug 2025
9 Months active

Languages Used

CMakefileYAML

Technical Skills

Build SystemsCAN BusEmbedded SystemsMicrocontroller ProgrammingRTOSC Programming

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