- Catch-all for personal projects- Execute option trading strategies and manage portfolio's directional and volatility risk.- Design and code from ground up a custom real time risk management application in Golang, which integrates with brokerage firm for automatic trade execution. Use the AWS Golang SDK- Opensource the infrastructure code on GitHub: https://github.com/marklaczynski/acidbath- Create website using Bootstrap CSS template and host on Amazon Web Services (AWS) S3 storage with DNS configuration in Route53.- Migrated all Git repositories to AWS CodeCommit.- Write CloudFormation scripts to create AWS environment.

As an AWS Technical Architect at a utilities company, I- Designed and implemented the AWS security group design.- Managed high level design document and detailed level design document by making request updates and processing them through approval process with client stakeholders.- Supported, extended, and tested python scripts as part of client backup and recovery strategy of EBS volumes.- Provided knowledge transfer and training sessions.- Worked to get buy-in for VPC Endpoints and implemented the design.- Worked on designs to implement Palo Alto as virtual firewall.- Worked with network team to implement Direct Connect of MPLS network to GovCloud- Worked on Proof of Concept for network latency between workspaces and GovCloud region.- Identified design deviations and presented solutions to client.- Delivered optimization options to client on Reserved Instances, decommissioning of EC2 instances, and cost management vendor tooling.- Created business case for cost optimization activities and estimated savings.- Proposed solution alternatives based on estimated cost metrics.As an AWS Technical Architect at a manufacturing company, I- Gathered requirements, created design, and built out AWS infrastructure for ticketing system.- Procured and installed certificates on ELB to support HTTPS traffic.- Utilized security groups to control access to infrastructure.- Worked with application team to appropriately size EC2 and RDS instances and ensured all data was encrypted at rest.

As the Lead Business Analyst and Lead System Architect at a healthcare company, I- Introduced Agile SDLC to client.- Gathered requirements as user stories.- Modeled and refined the 12 Membership Processes.- Refined the application requirements with the business.- Helped business prioritize user stories during each sprint.- Designed and built the application, which included the data model, processes, user interface, integration, and miscellaneous technical work.As the Senior System Architect at an insurance company, I- Analyzed PRPC performance issues, utilizing Pega’s PAL (Performance Analyzer) tool and Excel Pivot Tables.- After identifying performance bottlenecks, I investigated solutions with System Architects and Database Administrators, and provided recommendations on performance optimization.- Present findings and progress to management.

As the Senior System Architect at a healthcare client, I- Designed the integration component to new web service.- Updated external Java web service code to handle new operation and data.- Worked with external software vendor to satisfy client needs.- Hosted design and code reviews.- Hosted knowledge transfer sessions with client resources.As the PRPC Senior System Architect at a healthcare client, I- Learned EskerFax Web Services in order to created reusable framework allowing users to fax documents in an automated paperless environment.- Leveraged an existing framework I created to integrate with FileNet.- Created flow rules to model the faxing process, which coordinated data transfer and work flow between an application, FileNet, and EskerFax.- Created SLA's to ensure fax transmits within configurable time.- Utilized decision rules to handle alternate paths in the work flow.- Designed UI by building section & flow action rules utilizing smart layout.As the PRPC System Architect at a healthcare client, I- Drafted a as-is and to-be enterprise architecture diagrams.- Provided technical oversight.- Evaluated external mailers, and provided options to client.As the PRPC System Architect at a healthcare client, I- Worked with users to learn their third party reporting desktop application.- Defined Web Service WSDL operations and data model around the desktop application.- Designed and built class structure/rules for custom web service wrapper around the desktop application.- Designed and built class structure/rules for FileNet integration with PRPC.- Created a reusable flow to call the custom web service and handle errors.- Managed a team consisting of internal Java developer and external vendor's Software Engineers to specialize reporting software.

Supported global Proprietary Accounting and Risk Analysis (PARA) systems to guarantee accurate profit and loss is calculated for proprietary trading desks. Interacted with up and downstream systems to ensure trade workflow operated correctly. Coded, debugged, and enhanced infrastructure applications.

Traveled to Bangalore and Mysore, India to complete J2EE training, during which I led an 8 person team to develop a online banking application utilizing the waterfall software development life cycle (SDLC). Dun & Bradstreet "Capital Markets 101 – Securities Overview" Certification.

During my rotations as a co-op, I worked along side industry professionals learning about mixed signal integrated circuit design. Utilizing tools from Cadence and a SPICE simulator, I learned about fully differential operational amplifiers and how they were built up from MOSFET transistor configurations to build high speed Analog-to-Digital converters.

During my rotations as a co-op, I worked along side industry professionals learning about embedded systems, Linux, real time systems, and network routing at the physical and TCP/IP layers. My first major accomplishment included coding a specialized compiler in Perl that reduces development time. Later, I was joined stacking team, where we enhanced the FastPath application to support hot-plugability and stacking of enterprise routers.