I am a Boston-based senior software consultant with over 25 years of experience delivering scalable, highly performant software solutions. I specialize in remote projects involving .NET, C#, C++, VB.NET, ASP.NET Core, WPF, SQL, and cloud platforms. Known as a "finisher," I lead work from design to deployment, modernizing legacy systems and optimizing performance, turning sluggish apps into fast, maintainable systems. I combine theoretical knowledge with practical expertise to implement creative solutions. Throughout my career, I've worked with various technologies and industries, consistently improving system performance and maintainability. I am passionate about designing innovative software that meets real-world needs and thrives in complex environments.

John Buczkowski

I am a Boston-based senior software consultant with over 25 years of experience delivering scalable, highly performant software solutions. I specialize in remote projects involving .NET, C#, C++, VB.NET, ASP.NET Core, WPF, SQL, and cloud platforms. Known as a "finisher," I lead work from design to deployment, modernizing legacy systems and optimizing performance, turning sluggish apps into fast, maintainable systems. I combine theoretical knowledge with practical expertise to implement creative solutions. Throughout my career, I've worked with various technologies and industries, consistently improving system performance and maintainability. I am passionate about designing innovative software that meets real-world needs and thrives in complex environments.

Available to hire

I am a Boston-based senior software consultant with over 25 years of experience delivering scalable, highly performant software solutions. I specialize in remote projects involving .NET, C#, C++, VB.NET, ASP.NET Core, WPF, SQL, and cloud platforms. Known as a “finisher,” I lead work from design to deployment, modernizing legacy systems and optimizing performance, turning sluggish apps into fast, maintainable systems.

I combine theoretical knowledge with practical expertise to implement creative solutions. Throughout my career, I’ve worked with various technologies and industries, consistently improving system performance and maintainability. I am passionate about designing innovative software that meets real-world needs and thrives in complex environments.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
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Language

Amharic
Advanced
Javanese
Advanced

Work Experience

Independent Consultant at SteelCloud LLC
August 1, 2019 - Present
Researched methods for managing file and registry settings and permissions to automate STIG and CIS remediation for remote Windows and Linux PCs. Prototyped cross-platform dashboards using Eto.Forms, QtQuick, and AvaloniaUI. Developed gRPC .Net Core based microservices for scanning and remediation of PCs using TDD.
Independent Consultant at Flores & Associates
June 30, 2019 - July 17, 2025
Architected a .Net based system for generating plan analysis and auditing routines on a scheduled basis. Migrated VB based functionalities to C# web services using .Net Core and Swagger. Designed and delivered a .Net WPF MVVM dashboard for managing workflow and audit analysis.
Independent Consultant at Block Engineering
November 30, 2016 - July 17, 2025
Designed and implemented a Windows/C++ web service for managing lasers used to detect and measure gas densities. Created an HTML/Knockout JS based web client embedded in a QT Web component for displaying gas analysis results.
Independent Consultant at Affectiva
May 31, 2015 - July 17, 2025
Designed and implemented a Windows C++ SDK for Affectiva’s science libraries to analyze facial feature emotions. Created a .Net CLI/C++ library to expose this SDK to .Net clients. Implemented AffdexMe, a WPF app for tracking facial features and emotional recognition.
Independent Consultant at Advanced Traceability Solutions
May 31, 2017 - July 17, 2025
Created a series of ASP.Net pages and WCF web services for food traceability software tracking produce and livestock. Architected and developed desktop apps and WCF web services for industrial scales management.
Independent Consultant at Software Products Group
October 31, 2014 - July 17, 2025
Developed WCF web services for testing and analyzing electrical power systems. Created an ASP.Net testing framework for integration testing across system services.
Independent Consultant at Philips Medical
July 31, 2014 - July 17, 2025
Researched and implemented a real-time SignalR framework for exchanging patient incident data between medical devices and an ASP .Net client application.
Independent Consultant at HighRoads, Inc.
January 31, 2014 - July 17, 2025
Created WCF based calculation services for health insurance coverage cost analysis calculators.
Independent Consultant at C.R. Bard, Inc.
June 30, 2013 - July 17, 2025
Prototyped a proof of concept for a template-based report design and viewing system for clinical recording. Shepherded the app from POC through product integration using WCF.
Independent Consultant at Concord
December 31, 2012 - July 17, 2025
Member of a small team that ported Java based Hector Cassandra client library to .Net.
Independent Consultant at Managed Audience Shared Solutions (Mass Exchange)
October 31, 2013 - July 17, 2025
Prototyped a web-based exchange service for media ad space inventory using HTML5, CSS3 and D3 for frontend, Java Spring and MySQL for backend.
Independent Consultant at EMC Corporation
November 30, 2012 - July 17, 2025
Investigated and identified runtime issues with a client’s native C++ QT Framework based legacy application.
Co-Founder at Cloud Event Processing
September 30, 2012 - July 17, 2025
Architected front end visualization tools and middleware for CEP's flagship Complex Event Processing platform, including .Net based data mining and WPF based query tools. Designed services querying Cassandra real-time big data.
Software Engineer at L1-Identity Solutions
March 31, 2011 - July 17, 2025
Designed and implemented features for the state of Maine’s license processing system using WCF, ASP .Net, and SQL Reporting Services.
Software Engineer at Explorica Inc.
September 30, 2010 - July 17, 2025
Designed and implemented enhancements to the student tour booking system, adding ASP .Net based internal and public functionalities.
Software Engineer at Interval Data Systems
October 31, 2011 - July 17, 2025
Designed and implemented .Net applications and utilities for energy analysis product Energy Witness, including billing management and analysis tools.
Software Developer at NetCommissions
February 28, 2008 - July 17, 2025
Designed and implemented web pages for customizable internet sales compensation packages using C#, ASP .Net, ADO .Net, and SQL.
Software Engineer at Mathsoft
July 31, 2006 - July 17, 2025
Identified and corrected floating point calculation issues in MathCad migration to .Net 2.0. Developed a .Net CLR profiler to track register states during managed/unmanaged code transitions.
Software Engineer at Vivox
March 31, 2006 - July 17, 2025
Designed and implemented UI components for Instant Messaging package using C#, Infragistics controls, WinForms, and Microsoft RTC.
Software Engineer at SkillSoft Inc.
November 30, 2005 - July 17, 2025
Maintained and enhanced SkillSoft’s web-based online course player with Java and JavaScript across multiple browsers.
Software Engineer at Fidelity Investments
February 29, 2004 - July 17, 2025
Maintained and enhanced Active Trader Pro, identifying and improving performance bottlenecks in load and run times.
Software Engineer at Incentive Systems Inc.
May 31, 2004 - July 17, 2025
Designed and implemented a proprietary ODBC driver for sales plan compensation software. Enhanced database layers and software calculations while re-architecting to improve performance.
Software Engineer at Information Resources Inc.
May 31, 2005 - July 17, 2025
Designed and implemented new features for Apollo 8.0 software, re-architected subsystems for better performance, and developed ODBC and .Net wrappers for COM interfaces.
Principal Engineer/Team Lead at Lotus Development Corp.
June 30, 1998 - July 17, 2025
Core GUI team member for 1-2-3 for Windows, supporting and designing new UI features. Implemented a compiler for resource statements and performance-tuned components across Lotus product suite.
Software Engineer at Index Technology Corp.
May 31, 1991 - July 17, 2025
Lead engineer for interactive graphics editors for Excelerator product on IBM PCs. Implemented color graphics device driver and performed large scale application optimization.
Independent Consultant at SteelCloud LLC
August 1, 2019 - Present
Researched methods for managing file/registry settings and permissions for automating STIG and CIS remediation for remote Windows and Linux PCs. Prototyped cross-platform dashboards using Eto.Forms, QtQuick, and AvaloniaUI. Developed Grpc .Net Core based microservices for scanning and remediation of PCs using TDD.
Independent Consultant at Flores & Associates
June 30, 2019 - July 17, 2025
Architected a .Net based system to generate plan analysis and auditing routines on a scheduled basis. Migrated VB analysis functionality to C# web services using .Net Core and Swagger. Designed and delivered a .Net WPF MVVM Dashboard for workflow management and audit analysis visualization.
Independent Consultant at Block Engineering
November 30, 2016 - July 17, 2025
Designed and implemented a Windows/C++ web service to manage lasers detecting and measuring gas densities. Created an HTML/Knockout JS web client embedded in a QT Web component to display gas analysis results.
Independent Consultant at Affectiva
May 31, 2015 - July 17, 2025
Designed and implemented a Windows C++ SDK for facial feature emotion analysis. Created a .Net CLI/C++ library exposing the SDK to .Net clients. Developed AffdexMe, a WPF app for tracking facial features and emotional recognition.
Independent Consultant at Advanced Traceability Solutions
May 31, 2017 - July 17, 2025
Created ASP.Net pages and WCF web services used in food traceability software for produce and livestock tracking. Developed a desktop app and WCF services for managing industrial scales.
Independent Consultant at Software Products Group.
October 31, 2014 - July 17, 2025
Developed WCF web services for testing and analyzing electrical power systems. Created an ASP.Net testing framework for integration across all services.
Independent Consultant at Philips Medical.
July 31, 2014 - July 17, 2025
Researched and implemented a real-time SignalR based framework for exchanging patient incident data between devices and an ASP .Net client application.
Independent Consultant at HighRoads, Inc.
January 31, 2014 - July 17, 2025
Created WCF-based calculation services for health insurance coverage cost analysis calculators.
Independent Consultant at C.R. Bard, Inc.
June 30, 2013 - July 17, 2025
Prototyped and shepherded a template-based report design/viewing system for a .Net WPF clinical recording system. Integrated component via WCF.
Independent Consultant at Concord
December 31, 2012 - July 17, 2025
Ported Java-based Hector Cassandra client library to .Net.
Independent Consultant at Managed Audience Shared Solutions (Mass Exchange)
October 31, 2013 - July 17, 2025
Prototyped web-based exchange service for media ad space inventory with HTML5/CSS3/D3 frontend and Java Spring MySQL backend.
Independent Consultant at EMC Corporation
November 30, 2012 - July 17, 2025
Investigated and identified runtime issues in client's native C++ QT-based legacy application.
Co-Founder at Cloud Event Processing
September 30, 2012 - July 17, 2025
Architected front-end visualization tools and middle tier for CEP's Complex Event Processing platform, including .Net data mining and WPF query platforms. Designed Cassandra querying service for real-time big data.
Software Engineer at L1-Identity Solutions
March 31, 2011 - July 17, 2025
Designed and implemented program features for Maine’s license processing system using WCF, ASP .Net, and SQL Reporting Services.
Software Engineer at Explorica Inc.
September 30, 2010 - July 17, 2025
Enhanced student tour booking system with new ASP .Net functionalities for internal and public projects.
Software Engineer at Interval Data Systems
October 31, 2011 - July 17, 2025
Developed .Net applications and utilities for energy analysis and billing management for IDS’s Energy Witness product.
Software Engineer at NetCommissions
February 29, 2008 - July 17, 2025
Designed and developed web pages for customizable internet sales compensation packages using C#, ASP .Net, ADO .Net, and SQL.
Software Engineer at Mathsoft
July 31, 2006 - July 17, 2025
Identified and fixed floating point calculation issues in MathCad’s migration to .Net 2.0. Developed a .Net CLR profiler to track register states during managed/unmanaged transitions.
Software Engineer at Vivox
March 31, 2006 - July 17, 2025
Designed and implemented UI components for Vivox’s Instant Messaging package using C#, Infragistics controls, and WinForms.
Software Engineer at SkillSoft Inc.
November 30, 2005 - July 17, 2025
Maintained and enhanced SkillSoft’s web-based online course player using Java and JavaScript across multiple browsers.
Software Engineer at Fidelity Investments
February 29, 2004 - July 17, 2025
Maintained and enhanced Fidelity's Active Trader Pro Windows-based trading app, improving severe performance bottlenecks related to load and run times.
Software Engineer at Incentive Systems Inc.
May 31, 2004 - July 17, 2025
Developed proprietary ODBC Driver for sales compensation software. Enhanced database layer and calculation engine to alleviate critical performance deficiencies.
Software Engineer at Information Resources Inc.
May 31, 2005 - July 17, 2025
Designed and implemented new features for Apollo 8.0. Re-architected subsystems for performance improvement. Developed ODBC and .Net wrappers for COM interfaces.
Principle Engineer/Team Lead at Lotus Development Corp.
June 30, 1998 - July 17, 2025
Member of core GUI team for Lotus 1-2-3 for Windows. Designed and implemented new features. Created compiler for resource statements using LEX and YACC. Performance tuned Lotus product suite components.
Software Engineer at Index Technology Corp.
May 31, 1991 - July 17, 2025
Lead engineer for interactive graphics editors for Excelerator CASE tool on Microsoft Windows and OS/2. Implemented color graphics device driver and optimized large scale applications.
Independent Consulting at SteelCloud
August 1, 2019 - Present
Researched methods for managing file and registry settings and permissions for automating STIG and CIS remediation for remote Windows and Linux PCs. Prototyped cross platform dashboards using Eto.Forms, QtQuick, and AvaloniaUI. Developed Grpc .Net Core based microservices for scanning and remediation using Test-Driven Development.
Senior Software Consultant at Flores & Associates
June 30, 2019 - July 17, 2025
Architected a .Net based system for auditing and plan analysis. Migrated VB based audits to C# web services using .Net Core and Swagger. Delivered a .Net WPF MVVM dashboard for managing daily generated audit analysis.
Senior Software Consultant at Block Engineering
November 30, 2016 - July 17, 2025
Created a Windows/C++ based web service for gas density detection lasers. Developed an HTML/Knockout/JS client embedded in a QT Web component for displaying analysis results.
Senior Software Consultant at Affectiva
May 31, 2015 - July 17, 2025
Designed and implemented a .Net CLI/C++ SDK for Affectiva’s science libraries analyzing facial feature emotions. Developed a WPF app for tracking facial emotional recognition.
Senior Software Consultant at Advanced Traceability Solutions
May 31, 2017 - July 17, 2025
Created ASP.Net pages and WCF web services for tracking food traceability. Developed a desktop app and WCF web services for managing industrial scales.
Senior Software Consultant at Boston Scientific
June 30, 2013 - July 17, 2025
Prototyped and implemented a WPF reporting subsystem for a clinical recording application.
Senior Software Consultant at Concord
January 31, 2013 - July 17, 2025
Ported Java-based Hector Cassandra client library to .Net.
Senior Software Consultant at Mass Exchange
October 31, 2013 - July 17, 2025
Prototyped a web-based exchange for managing media ad space inventory with frontend in HTML5/CSS3 and D3, backend using Java, Spring, and MySQL.
Senior Software Consultant at EMC Corporation
December 31, 2012 - July 17, 2025
Investigated and diagnosed runtime issues in a native C++ QT application.
Senior Software Consultant at Interval Data Systems
October 31, 2011 - July 17, 2025
Designed and developed .Net applications and utilities for energy consumption analysis. Created a billing management system and tools to analyze historical energy data.
Senior Software Consultant at Mathsoft
July 31, 2006 - July 17, 2025
Corrected floating point calculation issues during MathCad's migration to .Net 2.0. Developed a CLR profiler to track registers during managed/unmanaged boundary transitions.
Senior Software Consultant at Fidelity Investments
February 29, 2004 - July 17, 2025
Identified and improved severe performance bottlenecks in Fidelity’s Active Trader Pro Windows trading application.
Senior Software Consultant at Incentive Systems Inc. (Intersolv)
May 31, 2004 - July 17, 2025
Engineered a proprietary ODBC Driver for a sales plan compensation tool. Maintained and enhanced database layers and calculation engines. Re-architected critical code sections to improve performance.
Co-founder and Architect at Cloud Event Processing
December 31, 2012 - July 17, 2025
Architected big data mining and visualization tools built on CEP's platform, using .Net, C#, WinForms, WPF, WCF, Oracle, and Cassandra.
Software Engineer at Lotus Development Corp
December 31, 1998 - July 17, 2025
Core GUI team member enhancing 1-2-3 for Windows. Tuned performance across Lotus product suite.
Lead Engineer at Index Technology
December 31, 1991 - July 17, 2025
Led development of interactive graphics editors and implemented color graphics device drivers for Excelerator CASE tool. Completed large-scale optimizations.
Senior Software Consultant at SteelCloud
July 1, 2026 - September 2, 2025
Researched automation techniques for STIG and CIS remediation on remote Windows and Linux systems, managing file and registry permissions. Designed and developed a proprietary script editor and runtime interpreter for policy-driven system hardening, prototyped AvaloniaUI-based dashboards, and explored test-driven development viability. Enhanced legacy hardening tools for improved compliance and maintainability.
Architect / Software Developer at Flores & Associates
June 1, 2019 - September 2, 2025
Architected and implemented modern .NET-based auditing and plan analysis platforms. Migrated legacy VB6 audit logic to scalable C# web services on .NET Core, incorporating Swagger for API documentation. Delivered a WPF dashboard using MVVM pattern enabling performance improvements in audit data management, analysis, and visualization.
Developer at Block Engineering
November 1, 2016 - September 2, 2025
Developed a Windows-based C++ web service for controlling gas density detection lasers. Built an HTML/Knockout/JavaScript client embedded in a Qt Web component for real-time data display and anomaly notification.
Software Engineer at Affectiva
May 1, 2015 - September 2, 2025
Designed and built a .NET CLI and C++ SDK for facial emotional recognition using landmark tracking. Developed a WPF application visualizing real-time emotional recognition using an underlying data science library.
Developer at Advanced Traceability Solutions
May 1, 2017 - September 2, 2025
Created ASP.NET pages and WCF web services for food traceability tracking. Developed a desktop app and WCF web services for managing industrial scales.
Software Engineer at Boston Scientific
June 1, 2013 - September 2, 2025
Engineered and delivered a WPF-based reporting subsystem using DevExpress for a clinical recording application used in real time by surgeons during cardiac procedures to support critical decision-making.
Developer at Concord
January 1, 2013 - September 2, 2025
Adapted the Java-based Hector Cassandra client for C# .NET to enable seamless integration and improved performance within .NET environments.
Cofounder at Cloud Event Processing
January 1, 2012 - September 2, 2025
Co-founded a company to develop big data mining and visualization tools for a Complex Event Processing platform using .NET, C#, WinForms, WPF, WCF, Oracle, and Cassandra technologies.
Software Developer at Lotus Development Corp
January 1, 1998 - September 2, 2025
Member of the core development team for 1-2-3 for Windows, including key enhancements, feature delivery, and performance tuning across the product suite. Led refactoring and re-architecting efforts to optimize application speed and responsiveness.
Senior Software Consultant / Independent Consulting at SteelCloud, Reston, VA
July 31, 2026 - September 2, 2025
Researched techniques for automating STIG and CIS remediation of remote Windows and Linux systems across a network domain, including managing file and registry permissions. Designed and developed a proprietary script editor and runtime interpreter to support policy-driven system hardening, prototyped AvaloniaUI-based remediation dashboards, explored test-driven development viability, and enhanced legacy hardening tool to improve compliance and maintainability.
Architect and .NET Developer at Flores & Associates, Charlotte, NC
June 30, 2019 - September 2, 2025
Architected and implemented a modern .NET-based auditing and plan analysis platform. Migrated legacy VB6 audit logic into scalable, modular C# web services built on .NET Core with Swagger for API documentation. Designed and delivered a rich-client WPF dashboard using the MVVM pattern for audit data management, analysis, and visualization with improved performance and maintainability.
Developer at Block Engineering, Marlborough, MA
November 30, 2016 - September 2, 2025
Developed a Windows-based C++ web service for controlling gas density detection lasers, and built an HTML/Knockout/JavaScript client embedded in a Qt Web component to display real-time analysis results and notify users of anomalies and critical readings.
.NET CLI and SDK Developer at Affectiva, Waltham, MA
May 31, 2015 - September 2, 2025
Designed and built a .NET CLI and C++ SDK for facial emotional recognition using facial landmark tracking. Developed a WPF application visualizing real-time emotional recognition leveraging an underlying data science library.
ASP.Net and WCF Developer at Advanced Traceability Solutions, Portland, ME
May 31, 2017 - September 2, 2025
Created ASP.Net pages and WCF web services for tracking food traceability. Developed a desktop app and WCF web services for managing industrial scales.
WPF Reporting Engineer at Boston Scientific, Lowell, MA
June 30, 2013 - September 2, 2025
Engineered and delivered a WPF-based reporting subsystem using DevExpress for a clinical recording application utilized in real-time by surgeons during cardiac procedures to support critical decision-making.
.NET Integration Developer at Concord, Hopkins, MN
January 31, 2013 - September 2, 2025
Adapted the Java-based Hector Cassandra client for C# .NET, enabling seamless integration and improved performance within .NET environments.
Co-founder / Architect at Cloud Event Processing, Minneapolis, MN
December 31, 2012 - September 2, 2025
Co-founded a company to develop a suite of big data mining and visualization tools for a Complex Event Processing platform. Architected tools using .NET, C#, WinForms, WPF, WCF, Oracle, and Cassandra.
Core Developer and Performance Engineer at Lotus Development Corp, Cambridge, MA
January 1, 1998 - September 2, 2025
Member of the core development team for 1-2-3 for Windows. Led performance tuning efforts across the product suite by analyzing, refactoring, and re-architecting components to resolve bottlenecks and optimize application speed and responsiveness.

Education

M.S. at Northeastern University
January 1, 1989 - December 31, 1989
B.S. at Northeastern University
January 1, 1986 - December 31, 1986
M.S. at Northeastern University
January 1, 1989 - December 31, 1989
B.S. at Northeastern University
January 1, 1986 - December 31, 1986
Master of Science (M.S.) at Northeastern University
January 1, 1989 - December 31, 1989
Bachelor of Science (B.S.) at Northeastern University
January 1, 1986 - December 31, 1986
Master of Science at Northeastern University
January 1, 1989 - September 2, 2025
Bachelor of Science at Northeastern University
January 1, 1986 - September 2, 2025
Master of Science (M.S.) Computer Science at Northeastern University
January 1, 1986 - January 1, 1989
Bachelor of Science (B.S.) Computer Science at Northeastern University
January 11, 2030 - January 1, 1986

Qualifications

Add your qualifications or awards here.

Industry Experience

Software & Internet, Healthcare, Energy & Utilities, Financial Services, Professional Services, Manufacturing, Government, Computers & Electronics