Michael Holst Email & Phone Number

Seattle, Washington, United States

Elastic Load Balancing (AWS): Health Checks for Load Balancing Targets• Leading the Health Check for Network and Gateway Load Balancer products (scale of millions of customer requests per second). Service operates on IP-based network targets within the EC2 networking dataplane, as well as endpoints in customers’ VPCs. • Managing team with 8 engineers. Promoted 1 engineer, hosted 1 intern.

Seattle, Washington, United States

Amazon Connect (AWS): First Dashboards and Accelerated Feature Delivery• Led the creation of a multi-year roadmap—aligned with Product and leadership—to rearchitect and debottleneck the entire Analytics UI and middleware, enhancing scalability and performance.• Delivered critical customer requests by launching the product’s first dashboards (Contact Lens and Queue Performance) at re:Invent 2023, implementing granular permissions (real-time, historical), and introducing several… Show more Amazon Connect (AWS): First Dashboards and Accelerated Feature Delivery• Led the creation of a multi-year roadmap—aligned with Product and leadership—to rearchitect and debottleneck the entire Analytics UI and middleware, enhancing scalability and performance.• Delivered critical customer requests by launching the product’s first dashboards (Contact Lens and Queue Performance) at re:Invent 2023, implementing granular permissions (real-time, historical), and introducing several new metrics.• Accelerated feature delivery by increasing public launches from 3 in 2021 to 8 in 2023—the highest in the organization and accounting for 60% of total launches in 2022. Reduced deployment times from over 6 weeks to under 2 hours, significantly improving operational efficiency and unblocking customer rollouts of Amazon Connect.• Implemented development processes based on regular demos and prototyping, with early end-to-end integrations, allowing for timely review of in-progress technical designs and code, enabling delivery on-time.• Contributed to Amazon Connect advancing from the ‘Visionary’ quadrant to the ‘Magic Quadrant’ in Gartner’s latest Contact Center report, strengthening the product’s market position.• Achieved the Real-Time Metrics availability goal of 99.98% for the year, ensuring high system reliability and customer trust.• Managed 2 teams with 24 engineers (hired 7), 2 managers (both external hires). Promoted 7 engineers, hosted 3 interns.• Hired Technical Project Manager and started project management processes in Analytics.• Technologies Used: AWS Fargate, EC2, DynamoDB, React, Kotlin, TypeScript, OpenSearch. Show less

Bellevue, Washington, United States

Connected Vehicle (Last Mile): New Datasets and Integrations for Safety and Operations Programs• Led the creation of the team’s first roadmap in collaboration with Product and operations stakeholders, delivering quarterly milestones aligned with vehicle telemetry and safety data needs for all US and EU fleets.• Improved data quality and operational excellence by partnering with telematics vendor Geotab, implementing recurrent mechanisms like a new staging process, and reducing… Show more Connected Vehicle (Last Mile): New Datasets and Integrations for Safety and Operations Programs• Led the creation of the team’s first roadmap in collaboration with Product and operations stakeholders, delivering quarterly milestones aligned with vehicle telemetry and safety data needs for all US and EU fleets.• Improved data quality and operational excellence by partnering with telematics vendor Geotab, implementing recurrent mechanisms like a new staging process, and reducing data ingestion time to less than 5 minutes. Established early integration engagements with new vendors like Rivian, setting higher quality standards.• Delivered datasets for vehicle telemetry and safety events that enabled, among others, a 69% improvement in seatbelt compliance, tracking of carbon footprint across the fleet, and generated millions of dollars in savings through insights on idling and refueling. Ingested 350 million signals per day.• Accelerated data turnaround times for critical EV state-of-charge telemetry to less than 24 hours, unblocking key operations programs and increasing efficiency for EV operations in the EU.• Scaled fleet upfit to 2,500 vehicles per week by delivering bidirectional integration with AI safety cameras, collaborating directly with the AI camera vendor and coordinating with multiple internal teams. Successfully ingested 1.6 million safety events and 290 million location events per week.• Operationalized computer vision classifiers for delivery activities by partnering with Applied Scientists to ingest models and coordinating with operations teams to label time-lapsed vehicle camera videos, enhancing delivery analytics and safety monitoring.• Team published 3 papers pioneering the use of ML for predictive maintenance.• Managed team of 7 engineers (hired 3). Promoted 1 engineer, hosted 1 intern.• Technologies Used: AWS Lambda, S3, SageMaker; Java, TypeScript, internal data lake, and MapReduce. Show less

Seattle, Washington, United States

Honeycode (AWS): Rearchitecture, Team Expansion, and Product Development• Stabilized and simplified middleware for the React frontend communicating with an event-based storage backend, which unblocked product development and elimated frequent UI timeouts due to polling.• Led development of key features and integrations in both backend (Authentication, Active Directory, Teams, Asset Index, Billing) and frontend (Home Drive, Signup/Login, Sharing, Contacts, In-Product Help, AWS… Show more Honeycode (AWS): Rearchitecture, Team Expansion, and Product Development• Stabilized and simplified middleware for the React frontend communicating with an event-based storage backend, which unblocked product development and elimated frequent UI timeouts due to polling.• Led development of key features and integrations in both backend (Authentication, Active Directory, Teams, Asset Index, Billing) and frontend (Home Drive, Signup/Login, Sharing, Contacts, In-Product Help, AWS Console).• Collaborated with Product teams to define user experience (UX) and develop the product roadmap, aligning technical efforts with business objectives.• Managed and grew a team from 5 to 15 engineers (12 in seats and 3 hired at time of departure) across Seattle and San Francisco, effectively scaling operations and managing distributed teams.• Promoted 2 engineers and mentored 2 interns, fostering professional growth and contributing to talent development.• Technologies Used: AWS Lambda, DynamoDB, Cognito, Directory; Java, TypeScript, React, Node.js. Show less

Costa Rica

Seller Support (Retail): Development of Internal Tools for Cost Reduction in Case Resolution• Led a two-year initiative for the development of an internal tooling program that enabled routing of Seller Support cases to specialized support teams, enhancing cost efficiency.• Collaborated with project management, tools platform team, and business teams to test, validate, and coordinate the staggered rollout of 42 new tools, ensuring seamless integration and minimal… Show more Seller Support (Retail): Development of Internal Tools for Cost Reduction in Case Resolution• Led a two-year initiative for the development of an internal tooling program that enabled routing of Seller Support cases to specialized support teams, enhancing cost efficiency.• Collaborated with project management, tools platform team, and business teams to test, validate, and coordinate the staggered rollout of 42 new tools, ensuring seamless integration and minimal disruption.• Achieved a 60% reduction in cost per support contact.• Contributed new improvements to a shared platform for rapid tool development and aligned roadmaps between the tools program and their releases.• Proposed the use of an internal reverse proxy to set up a new, more developer-friendly environment, unblocking complex tool development and reducing implementation time by several months compared to the existing environment.• Managed team of 11 engineers (hired 2). Promoted 2 engineers.• Technologies Used: AWS EC2, DynamoDB, Angular, Java, internal data processing language, tooling platform, identity provider, and reverse proxy. Show less

Costa Rica

Development for next-generation CRM and troubleshooting tool for support associates.

Costa Rica

I've had two tours-of-duty at Informatech, for three separate projects/clients. In addition to my full-time development duties I also have a leadership position within the company to help improve its talent pool and achieve operational excellence.Projects:- eLoyalty (Java, JavaScript, AngularJS, Bootstrap, Spring)Helped build new web applications for contact center support, and implemented Continuous Integration.- O.C. Tanner (Java, JavaScript, Spring… Show more I've had two tours-of-duty at Informatech, for three separate projects/clients. In addition to my full-time development duties I also have a leadership position within the company to help improve its talent pool and achieve operational excellence.Projects:- eLoyalty (Java, JavaScript, AngularJS, Bootstrap, Spring)Helped build new web applications for contact center support, and implemented Continuous Integration.- O.C. Tanner (Java, JavaScript, Spring, Oracle)Web development for employee appreciation applications. I've been involved in most of the stack, from integrating into legacy backends (ie. ORM Trilogy) for bug fixing of existing applications, to the creation of more modern rich clients with HTML5/JavaScript, backed by Spring plus existing enterprise services (such as EMC Documentum).Our releases included the Yearbook offering, and followed up with the new Leader Comments feature. - WJ Bradley (Java, SEAM, PostgreSQL)Web development in a set of financial applications for home mortgages. I was involved in implementing new features and fixing bugs in all parts of the stack. Show less

Costa Rica

Moved formally to Medidata Solutions, Inc. as part of their acquisition of Clinical Force.Projects:- CTMS (Java, JavaScript, Velocity, JasperReports, JMeter, MySQL)Following the acquisition of Clinical Force by Medidata, I was chiefly involved in a large effort to test the scalability of the CTMS content management system with several thousand simulated users. I used the existing JMeter scripts I had developed previously, and adapted them to the projected load. I also… Show more Moved formally to Medidata Solutions, Inc. as part of their acquisition of Clinical Force.Projects:- CTMS (Java, JavaScript, Velocity, JasperReports, JMeter, MySQL)Following the acquisition of Clinical Force by Medidata, I was chiefly involved in a large effort to test the scalability of the CTMS content management system with several thousand simulated users. I used the existing JMeter scripts I had developed previously, and adapted them to the projected load. I also setup, profiled and debugged the application to find the main perfomance bottleneck in concurrent Velocity filesystem I/O usage. Show less

Costa Rica

I worked alongside an all-remote team of developers and QAs, distributed on three different continents. The company had developed a content management system, and they wanted to augment and improve with it with more modern web functionality and reporting. I was hired me to assist in the effort.Projects:- CTMS (Java, JavaScript, Velocity, JasperReports, JMeter, MySQL)The clinical trials CMS that the company developed and sold as SaaS was in need of some AJAX, as most of… Show more I worked alongside an all-remote team of developers and QAs, distributed on three different continents. The company had developed a content management system, and they wanted to augment and improve with it with more modern web functionality and reporting. I was hired me to assist in the effort.Projects:- CTMS (Java, JavaScript, Velocity, JasperReports, JMeter, MySQL)The clinical trials CMS that the company developed and sold as SaaS was in need of some AJAX, as most of the interface was still using full page reloads. So I helped create some dynamic JavaScript code to integrate with the existing codebase, as well brainstorming and prototyping some reporting options with DynamicJasper.Also, in order to accurately test the scalability of the system I developed a set of JMeter scripts, and profiled the CTMS. Show less

Costa Rica

I led team of developers handling different projects at the same time, in several of which I had to write code directly. I also handled the setup and implementation of our developer tools including Subversion and CruiseControl.NETProjects:- PRAISE (ASP.NET, YUI, SQL Server)I developed an internal system for handling recognition of employee achievements. This was an internal project, and thus it was also used as a proof-of-concept of integrating ASP.NET into a rich… Show more I led team of developers handling different projects at the same time, in several of which I had to write code directly. I also handled the setup and implementation of our developer tools including Subversion and CruiseControl.NETProjects:- PRAISE (ASP.NET, YUI, SQL Server)I developed an internal system for handling recognition of employee achievements. This was an internal project, and thus it was also used as a proof-of-concept of integrating ASP.NET into a rich JavaScript web application.- MIST(ASP.NET, SQL Server)This system was intented to replace an email workflow using an internal web application. My role was to help define requirements and drive the architecture. I also assisted the primary developer with supporting code.- Data Cleanup (C, AIX, DB2)Initially tasked with helping improve the cleanup of data coming from the mainframes. The process involved some small changes to AIX C applications connecting to DB2.This was done in conjunction with other developers, and afterwards offloaded to them.- ETL and Data Analysis (Alteryx, SQL Server SSIS)I helped compare Alteryx and SSIS for data analysis and transformation, by implementing sample scenarios, in order to derermine a suitable fit for the team. Show less

Costa Rica

I joined as the company as a developer for a very visible project in HP.com. Later I was promoted to an architecture and leadership role for a team of developers and QAs, working on a mission critical application.Projects:- Products & Services Catalog (.NET, SQL Server)I helped move the PSC project (which literally published hundreds of static product pages daily) to Costa Rica, and staff the team that would support it. We first stabilized the application (I was also… Show more I joined as the company as a developer for a very visible project in HP.com. Later I was promoted to an architecture and leadership role for a team of developers and QAs, working on a mission critical application.Projects:- Products & Services Catalog (.NET, SQL Server)I helped move the PSC project (which literally published hundreds of static product pages daily) to Costa Rica, and staff the team that would support it. We first stabilized the application (I was also developing as necessary), and in conjunction with the business setup a roadmap to tackle the main complexity and downtime drivers. I prioritized the setup of continuous integration and proper version control, while working on stable and new feature releases. The newer releases also rewrote most of the problematic legacy code, in which I had a direct development role in later phases.- Mercury Download Center (Java, JSP, Oracle)I was part of the team that implemented the Mercury (recently acquired by HP) product trial downloads. We created a web application that integrated in the the Sezame CMS and Passport SSO to drive the content and marketing pages.We also setup our own Subversion and build tools locally.- Release Manager Assistant (Java, JSP, YUI)A proof-of-concept for automating the release and publishing of content. Show less

Japan, Costa Rica, Chile

I developed for Uniscope remotely from Costa Rica, Chile, and also traveled to Japan for some months while training.The company was under contract from Cathay Pacific to help develop their airplane documentation maintenance and workflow. Projects:- Workflow Web Application for Cathay Pacific Airways (Java, JSF)I created a JSF application to integrate into the backend XML document workflow and drive it visually.- XML Workbench for Cathay Pacific Airways… Show more I developed for Uniscope remotely from Costa Rica, Chile, and also traveled to Japan for some months while training.The company was under contract from Cathay Pacific to help develop their airplane documentation maintenance and workflow. Projects:- Workflow Web Application for Cathay Pacific Airways (Java, JSF)I created a JSF application to integrate into the backend XML document workflow and drive it visually.- XML Workbench for Cathay Pacific Airways (Java, Swing)I helped develop a part for the XML workbench that dealt with component property auto-discovery, in order to edit the airplane documentation.- File Printing UI for Cathay Pacific Airways (Java, Swing)I was involved in creating a UI for generating print samples for the XML airplane documentation, in order to print them. Show less

Costa Rica

I was hired as a developer to support the local Costa Rica data entry operation. I inherited several C++ applications which I improved, automated manual processes and prototyped new business workflows. I also helped revamp the local IT setup and databases.Projects:- Local Search Prototype (Java, JSP, MySQL)Created a new Java web application from a workflow defined by management, to transform and prepare data statistically for local business information queries.-… Show more I was hired as a developer to support the local Costa Rica data entry operation. I inherited several C++ applications which I improved, automated manual processes and prototyped new business workflows. I also helped revamp the local IT setup and databases.Projects:- Local Search Prototype (Java, JSP, MySQL)Created a new Java web application from a workflow defined by management, to transform and prepare data statistically for local business information queries.- Production Plant Reports (PHP, MySQL)I implemented an internal web application to display daily production statistics, as it was previously done manually in Excel.- Data Cleaning Tools (QT, MySQL)Created a new set of C++ QT applications to eliminate manual data cleaning in text files.- Yellow Pages Enter Application (QT, MySQL)I inherited the existing YP Enter application, stabilized it, implemented new features, and upgraded it to the latest QT and Visual Studio releases. Show less

Costa Rica

I worked at ArtinSoft under flex time, while also attending college. I was part of the team the supported and developed the Informix to Java migrator.Projects:- Informix to Java Runtime (Java)I helped implement runtime features to support the Informix migrator. My work was centered in terminal form display in a Swing application.- Migrator testing (Java)I helped test daily builds for the Informix 4GL to Java migrator. We basically compared that the… Show more I worked at ArtinSoft under flex time, while also attending college. I was part of the team the supported and developed the Informix to Java migrator.Projects:- Informix to Java Runtime (Java)I helped implement runtime features to support the Informix migrator. My work was centered in terminal form display in a Swing application.- Migrator testing (Java)I helped test daily builds for the Informix 4GL to Java migrator. We basically compared that the functionality was the same between migrated code and the original one for a set of tests. Show less