Celso Moraes Leite Marciano Email & Phone Number

United States

New York, NY, US

• Leveraged Scrum and Kanban for efficient product feature delivery, ensuring timely and high-quality releases. Actively participated in DevOps, managing deployments and monitoring operations to maintain system.
• Objective: Enable joint venture partnerships between client accounts.
• Challenge: SQL queries were too slow to be performed synchronously during each web request to load a dashboard.
• Solution: Implemented caching strategies where a scheduled job updates the cache, significantly improving performance.
• Tech Stack: Ruby on Rails, React.js (ES6), Heroku, PostgreSQL, Redis.Letter of Intent Generation (VTS):
• Objective: Developed a WYSIWYG editor proof of concept and integration for generating letters of intent.

Seattle, WA, US

• Canadian Real Estate Company Website:
• Objective: Complete rewrite of the company website.
• Solution: Developed using Angular 6 and ASP.NET Core hosted on AWS, improving user experience and performance.
• Tech Stack: Angular 6, ASP.NET Core, AWS (Lambda, CloudFront).Consumer Loyalty and Rewards Web App:
• Objective: Delivered an MVP for a consumer loyalty and rewards web app.
• Solution: Developed using Angular 6 within a 4-week solo work period.

• Legacy System Migration:
• Objective: Architect and develop backend layered architecture for complete rewrite of RL’s legacy system.
• Solution: Migrated from ASP.NET WebForms to SPA using EmberJs and RESTful APIs with ASP.NET Web API.
• Tech Stack: EmberJs, ASP.NET Web API.Infection Surveillance System:
• Objective: Develop frontend for an infection surveillance system.
• Solution: Utilized C3 / D3.js for data visualization and React and Mobx for the frontend.

Rio De Janeiro, Rio De Janeiro, BR

• Commissioning Handover Management Application:
• Role: Responsible for software development lifecycle, requirements analysis, and database design.
• Solution: Developed using ASP.NET MVC 5 and managed databases on Amazon RDS Oracle.
• Tech Stack: ASP.NET MVC 5, Amazon RDS Oracle, SQL Server, Jenkins CI, MSBuild, WebDeploy, Python, PowerShell, Tibco Spotfire.

BR

- Development of WCF web service for data integration- Development and maintenance of web based engineering portal ASP.NET MVC 3 application- Development of integration layer for third-party systems- Client support- Tibco Spotfire Server/ Webplayer configuration- Tibco Spotfire data analisys

Salvador, Bahia, BR

- Sql Server 2008 T-SQL, linked server and queries- Oracle 10g PL-SQL procedures, functions, database links, backup, recovery, enterprise manager and queries- Python (Scrapy) web crawler- Powershell and Python scripts for data integration- SmartPlant PID and COMOS administration and integration with in-house applications- Client trainning and support.

Salvador, Bahia, BR

Worked developing Piping and Instrument Diagrams and tools on Smart Plant PID.

BR

JPNOR Engenharia is an engineering consultancy company in Brazil. As a process engineer at JPNOR I participated in several projects where I developed process & instrumentation diagrams using Intergraph SmartPlant PID, and generated technical calculation documents for piping, pumps, and vessels.

Midland, Michigan, US

Operational and maintenance routines at the polystyrene manufacturing plant and at the effluent treatment plant.

Bachelor'S Degree, Chemical Engineering

Master Of Business Administration (M.B.A.), Computer Software Engineering