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Work Background

Sagepath Reply.NET Architect

Jan. 2024Chicago, Illinois, United States · Remote

Legal & General Investment Management AmericaPrincipal Software Engineer

May. 2020 - Oct. 2023Chicago, Illinois, United StatesProvide technical guidance in planning and executing assigned projects. Develop new systems and maintain and modify existing systems. Perform system repairs and oversee periodic inspection processes. Provide support in system acceptance testing and validation activities. Review and recommend improvements to existing system designs. Schedule engineering meetings to discuss about new ideas, issues and project status. Ensure teams follow best patterns and practices. AWS Serverless deployments using Fargate and other AWS native services Enterprise Data Governance using Cloudera, Kafka, DataFlow.

OLIANTChief Executive Officer

Apr. 2019Chicago, Illinois, United States · HybridWe empower businesses to maximize potential. Specializing in Data Analytics and ML, Software Development, Gaming and QA, we help companies enhance productivity, cut costs, and unlock resources for growth.

Donnelley Financial SolutionsSolutions Architect

Jun. 2018 - May. 2020Chicago, IllinoisFull stack architecture, design and development for Store Front and Backend Suite. - In my current role I am required to propose architecture, design and develop software for two products of the company. Store Front (customer facing) which is a platform to fulfill digital and commercial printing for financial, insurance and healthcare companies; and Backend Suite, mass batch order processing. - Responsible of architecture, software design and technical decisions of both platforms. - On-prem and cloud integrations with Azure - SSO integrations with Auth0 - In charge of offshore teams. Originally in Kiev, Ukraine; currently at Minsk, Belarus. In charge of transition Kiev’s teams to Minsk onsite, conducting workshops in Minsk. - I work closely to Infrastructure teams to improve availability, security and scalability; collaborated and implemented load balancing, DMZ separation, failovers and enhanced security of DFIN and third-party platforms used by Backend Suite and Store Front. - I actively collaborate with product managers in Lancaster and New York to gather client requirements and define the products of the company. - Transition of legacy products of the company to the new platforms with teams supporting those legacy tools.

AonSenior Application Architect

Jul. 2017 - Jun. 2018Lincolnshire, IllinoisFull stack architecture, design and development for Radford Network. - In my current role I am required to propose architecture, design and develop software for the Radford Network platform which consist of reporting and BI tools - Technical responsible for the entire solution leading a distributed team - Responsible for Single Sign-On integrations with third-parties using SAML, Federation and Secure Tokens - Analyzed and proposed performance AngularJs enhancements for the portal - Analyzed and proposed several technical debt enhancements - Mentoring colleagues in best practices, SOLID principles, design and Unit Testing. The platform lacked entirely of Unit Testing and patterns to be able to implement it. Proposed and implemented several Unit Testing pieces in the backend and UI - Collaborated in the implementation of Continuous Delivery using Team City and Octopus - Designed and Implemented tools for Operational Intelligence (smart logging) - I am currently actively participating in the old portal migration to modern BI tools that includes visualizations based on statistical models

Chamberlain Group, Inc.Lead .Net Developer

Oct. 2016 - Jul. 2017Chicago, IllinoisBackend architecture and design for MyQ IoT platform. - In this role I was required to join different teams with their own leader in order to ramp-up development, define architecture, and apply patterns and best practices. Every team consists of 3-5 people working on integrations with partners, new features, rearchitecture, maintenance and general improvements. Teams are based in Chicago and Oak Brook. - Integrated Alexa, Google Home and IFTTT through a new Partners API built in .Net WebApi with OAuth2 security, interacting with the Middleware through custom SDKs. - Proposed and implemented Chamberlain Identity Server built on-top of Identity Server GNU project. The Identity server will provide a unique endpoint to authenticate and authorize users of MyQ, Partners and Lifmaster Cloud. It was extended to support CouchDb and Sql Server simultaneously. - Analyzed current RabbitMQ architecture and ran several stress tests to propose a new architecture and messages flow. The analysis was executed in Python with NumPy for numeric calculation and Matplotlib. - Participated in the migration to the new middleware API that supports multiuser accounts helping to improve the current design. Implementation of Unit Testing, best practices and SOLID principles. The entire architecture is based on Queue-Based Systems. - Implemented a Streaming API to provide real-time device notifications to partners (Wink, Nest, Comcast, etc). Previous implementation required to pull changes directly from the middleware, the new API automatically dispatches messages through partner open channels. - Refactored the authorization server and implemented OAuth2 standard principles to be able to integrate the system with partners. - Mentored members of the development team based on their current skills, helped junior developers to ramp-up, and worked closely with more senior developers to ensure best practices are applied.

Globant LLCTech Master

Jun. 2015 - Oct. 2016Hoffman Estates, ILResponsible for architecture, design, performance and scalability. - The team consisted of 20-25 people working on-site in Hoffman Estates, Colombia, India and Argentina. Most of the developers were based in Argentina, the branch in Colombia managed stress testing, India provided development and QA services and leaders were onsite. I was in charge of the entire team. For the United project the team consisted of 15 people from Brazil and Argentina working partially on-site and the rest of the time off-shore. My role was a Solution Architect working with experts on every layer (UI, Backend and Database) to define the architecture. - Analyzed and proposed the architecture of United Airlines new Revenue Management System. The new architecture was based on a modern UI/UX with a .Net Backend implementing Repository Pattern to deal with heavy database workload. Backend communicates with Teradata, SQL Server, Oracle and different cubes acting as datamarts. - Helped Sears Sweepstakes platform to resolve performance issues and escalate from 200 thousands sweeps a day up to 1.2 million. Stabilized the platform to avoid usual outages in high usability peaks during the day. Backend was built in Java using Spring MVC, MySql and Angular UI. - Designed several stress tests that identified bottlenecks and network related issues using statistical models. - Improved the current architecture and designed new workflows to increase the performance and enhance the overall system scalability.

Making Sense LLCTechnical Lead

Mar. 2015 - Jun. 2015Mar del Plata, ArgentinaResponsible for architecture and design to enhance CopSync 911 platform - The team consisted of 2 technical leads on-site in Texas and 1 technical lead in Argentina which was my role. I was in charge of 20 developers in the city of Mar del Plata. Maintenance work was assigned directly to developers under my supervision; enhancements, new features and the new version were regularly discussed in meetings with the client in which I participated actively. - Maintained and improved a full stack .Net platform in Azure that requires zero downtime. - Designed the architecture of the new version of the platform with a modern UI for Microsoft Surface laptops. - Implemented New Relic instrumentation to detect critical failures and service degradation with alarms and warnings to provide the support team a tool to react fast. - Code was continuously reviewed with developers to ensure best practices and designs were applied. The system was very critical and it was necessary to identify any potential issue before it was deployed to production.

DoWhaleTechnical Leader .Net

Sep. 2014 - Mar. 2015ArgentinaResponsible for several mobile solutions; design and implementation - I was in charge of the entire team that consisted of 25 people, 5-8 of them working in mobile applications, 1 UI designer, 10 developers and QA experts. Team was fully based in Argentina working for the client in Connecticut. - Designed the entire architecture of several mobile applications, most commonly .Net full stack with some exceptions in the database side. Mobile applications consisted of RESTful APIs exposing entities to iOS and Android native applications with different security strategies and different backend patterns depending on the nature of the application. - Implemented several solutions in Azure using Virtual Machines and Web Roles. - Designed, developed and implemented an Apple Push Notifications server in Linux using Python. - Implemented Apple MDM server to control iOS devices remotely. - Worked closely with developers coding to show patterns, reviewing code and ensuring principles were applied. Supervised iOS and Android developments working with the teams in order to design the best possible mobile solution.

KooggisData Scientist

Oct. 2013 - Aug. 2014Greater Buenos Aires, ArgentinaAnalyze social networks to find useful patterns of interactions for the most important online newspaper of Argentina. - Team of 6 people in Argentina worked together to solve the different aspects of the solution. I was part of the team as a data scientist/developer, the rest of the team consisted of 2 more data scientists/developers, 1 mathematician, 1 expert in visualizations and 1 expert in graph theory. Due to my English fluency I was in charge of the meetings with partners in USA like Gnip (Twitter stream provider). - Integrated a team that was designing strategies, algorithms and statistical approaches to detect trends in social networks related to specific areas of interest (politics, economy, fashion, etc.). The solution didn’t exist in Spanish and at the beginning it was necessary to engage in extensive research before developing it. - The solution included Machine Learning, Bayesian computing and visualizations with d3. It required several meetings with experts in Natural Language. - Designed and implemented a Mongo Architecture in AWS to support real time streaming from Twitter. The feed supported buffering to cope with outages and automatic scalability for peaks in the stream. - Developed a solution to detect patterns in Python, using NumPy and SciPy, including supervised machine learning processes. Stream was processed in real-time using Natural Language tagging and clustering. - Designed Google Maps interfaces to represent patterns in regions of the country. - Designed and implemented social sentiment techniques and communities discovering using graph theory.

TenarisProject Leader

Oct. 2009 - Sep. 2013Buenos Aires, Argentina. Veracruz, México. Cilegon, Indonesia.Designed and developed the new worldwide solution to control machines in multiple factories across the world. - Teams were very diverse depending on the stage of the project. The development phase included more than 100 people in Mexico, Argentina, Italy, Germany and United States, collaborating on core solutions and machine-specific solutions. - Worked closely with engineers with different backgrounds (software, electric engineering, mechanical engineering and so forth) from different countries to define architecture, design and data structures for the worldwide platform of Tenaris Tubes manufacturing plants. - Developed several modules in .Net, using Remoting and WCF communication with redundant proxies to provide real-time machine control. - Designed, developed and tested zero downtime machine control modules in .Net using Remoting and WCF with custom proxies to reroute control and network messages if any system was down or unresponsive. - Implemented several communication layers using industrial protocols such as ModBus, ModBus+, Profibus, Industrial Ethernet and plain UDP datagrams. - Designed and developed multi-language user interfaces in WPF. - Designed and developed data connectors to publish processes information to level 2 and level 3 datamarts. - Optimized SQL Server databases for heavy processing operations. - Integrated cross applications for pipes manufacturing processes in Mexico, United States, Scotland and Indonesia. - Implemented several machine modules on-site in Veracruz, Mexico, adjusting some processes to local specifications. - Implemented several machine modules on-site in Cilegon, Indonesia, customizing specific modules for Asian regulations. - Designed architecture, developed and implemented solutions of ETL processes in Asia to transfer and collect information from different systems to and from plant production using .Net and SSIS.

GlobantSoftware Designer

Dec. 2007 - Oct. 2009Greater Buenos Aires, ArgentinaStaff augmentation of SAC Hedge Fund in Stamford, Connecticut. - The team consisted of 30 developers, the client in Stamford split the team in 3 groups and assigned a Product Owner on its side. Every team was autonomous and required travelling from Argentina to New York and Stamford periodically. Every team member was a senior .Net Developer that could design, code and implement solutions without a lead supervision. - Analyzed and developed new features for the financial analysis backend in .Net using Composite Application Block and SQL Server. - Applied Agile methodology and continuous integration using Bamboo. - Refactored current modules to apply TDD and Unit Testing using Microsoft Unit Testing framework. - Maintained legacy solutions for pricing from different sources using WPF and .Net. - Integrated several backend new tools for financial analysis, forex trading, statistical analysis. - Developed connectors to adapt queries coming from backend to Oracle and Sql Server transparently through an unique interface. - On-site analysis of projects in Stamford, Connecticut.

Tenaris SidercaSenior Developer

May. 2005 - Dec. 2007Greater Buenos Aires, ArgentinaEnhanced, maintained and developed the manufacturing quality platform of the company. - The team consisted of 100+ developers in charge of several areas of the software automation. My role was senior developer in charge of Manufacturing Quality projects. - Developed software solutions in .Net with Web Forms and SQL Server databases for the engineering quality area. - Designed and developed ETL tools and administered the quality data warehouse, design of cubes and dimensions to access the information. - Developed decision making tools, quality processes determined the plans of future improvements in the manufacturing process, the visual tools developed helped Quality Control to make decisions. - Designed and developed data replication tools from multiple sources and environments (Linux, AS/400, Windows) using different techniques, RPC calls, Web Services, plain data files import, etc. - Improved the replication of several tools across the company to increase data availability, processes used to take several hours. The implemented workflow at the time of leaving the company took 15 minutes to process all the required information. - Improved the performance of visualization using multidimensional models that enhanced the response time of graphics from minutes to a few seconds. - Mentored the Delphi and C development teams in .Net technology due to the change of roles of part of the team.

ECG Management Consulting GmbHAnalyst Programmer

Jan. 2004 - Sep. 2004Berlin Area, GermanyDeveloped the new G2C platform of the company. - The team consisted of 5 senior developers in Argentina and 1 product owner in Germany. Every senior developer was capable of designing and coding every part of the system. I was required to travel to Berlin for the implementation phase. My role included permanent coordination with the German team and training/mentoring Lithuania’s Government employees. - Collaborated on the design and developed the new ECG site for German Government errands connecting companies with the German Government. The website was implemented in Web Forms, using .Net and Remoting with encrypted communication. - Designed and developed several internationalization (i18n) tools for the website. - Designed layers separation using remoting technology and secure channels to accomplish new European Union standards for government software. Any transaction involving restricted data had to be encrypted and processed on the server side only, for that reason Remoting with encrypted channels was the only approved solution. - Designed and developed Oracle-Sql Server adapters to switch databases transparently from the company’s legacy system. - Implemented the new ECG site in Berlin. - Trained the Lithuanian team in Berlin, the platform was installed and used by the Lithuanian Government as well.

SynapsisSenior Analyst Programmer

Mar. 2003 - Jan. 2004Greater Buenos Aires, Argentina Lead teams to build new features and support the current product of the company dedicated to the utilities market (electricity).

NovaredAnalyst Programmer

Mar. 2001 - Feb. 2003Santiago Province, ChileProvided high-technical e-commerce solutions using a German e-commerce platform (Intershop) and migrated several of the web applications to lower cost solutions like ASP and PHP websites.

eConceptProject Leader

Jan. 2000 - Feb. 2001Greater Buenos Aires, ArgentinaLead developers and designers to develop and maintain web applications for various customers including tourist companies, B2B portals, credit card companies and retailers.

CADI S.A.Software Developer

Jan. 1999 - Jan. 2000Designed, developed, documented, refined and maintained the human resources worldwide platform of Gillette Corporation.

Nissan ArgentinaAnalyst Programmer

Jan. 1997 - Jan. 1999Greater Buenos Aires, ArgentinaWork closely with other engineers to build a new country-wide integrated solution for the company.

AlphaSoftware Developer

Feb. 1994 - Jan. 1997Buenos Aires, ArgentinaDeveloped new software solutions of the company while maintaining legacy applications.