Helder Perez

Helder Perez Email and Phone Number

Senior Software Engineer - Full Stack .Net Core | React & React Native | Node.js | JavaScript | Python | AWS & Azure @ RAIsonance Group
Helder Perez's Location
Jundiaí, São Paulo, Brazil, Brazil
About Helder Perez

Highly experienced Full-Stack Senior Software Engineer with over 15 years of experience in software development, maintenance and migration of legacy projects, project management and business intelligence. Proficient in a variety of technologies, including .NET Core (C# / VB) and .NET (Windows Forms and Web forms - ASP.NET), React, React Native, Node.js, JavaScript, Python, GraphQL and more. Proficient in .NET Core, specializing in robust design patterns like Dependency Injection (DI), and Test-Driven Development (TDD) methodologies, ensuring scalable, maintainable, and bug-free solutions. Strong expertise in AWS and Azure services, and experience in databases such as MS SQL Server, PostgreSQL, MongoDB and others. Strong knowledge of Salesforce platform development, and IBM Cognos Business Intelligence. Fluent in Portuguese, English and Spanish with international experience living in Wales and the United States. A self-motivated professional with a passion for building impactful projects and a track record of delivering successful solutions for clients.● Proficient in .NET Core (C# / VB) and .NET (Windows Forms and Web forms - ASP.NET), React, React Native, Node.js, JavaScript, Python, and other technologies● Strong expertise in AWS and Azure services, and experience in databases such as MongoDB, MS SQL Server, PostgreSQL, and others.● Strong knowledge of Salesforce platform development, and IBM Cognos Business Intelligence● Proven track record of delivering successful solutions for clients, with a focus on e-commerce, sales, digital marketing, project management, people management, logistics, big data and business intelligence● Experience in maintenance/migration of projects, process management and flow modeling, automation of routines through technologies, people management, performance management, business intelligence and continuous improvement● Fluent in Portuguese, English and Spanish with international experience living in Wales and the United States● Strong knowledge of digital marketing, lead capture and nurturing strategies, social media management and other technologies● Specialized in Salesforce CRM, Wave Analytics and Apex/Visualforce developmentKeywords: .NET Core, .NET, React, React Native, Node.js, JavaScript, Python, AWS, Azure, Serverless, SQL, MS SQL Server, PostgreSQL, Salesforce, IBM Cognos, Digital Marketing, E-commerce, Project management, Big Data, Artificial Intelligence, Machine Learning, Business Intelligence, Performance management.

Helder Perez's Current Company Details
RAIsonance Group

Raisonance Group

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Senior Software Engineer - Full Stack .Net Core | React & React Native | Node.js | JavaScript | Python | AWS & Azure
Helder Perez Work Experience Details
  • Raisonance Group
    Full Stack Senior Software Engineer
    Raisonance Group Aug 2021 - Present
    Estados Unidos
    ● Responsible for back-end development using Python and MS SQL Server, deployed on Azure infrastructure● Worked on the development of a new COVID-19 test using AI/ML technology● Implemented HL7 integration with multiple partners (Sunquest, APHL)● Developed an Internal Admin application using Python and Flask to improve internal operations
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  • Independant Consultant (Self Employed)
    Full Stack Senior Software Engineer
    Independant Consultant (Self Employed) Jan 2020 - Present
    Estados Unidos
    Expert Full Stack Engineer - Delivering Innovative Solutions for Global Clients using .NET Core and .NET (C# / VB), React, React Native, Node.js, JavaScript, Python, GraphQL and more.● Worked on multiple projects around the world, utilizing .NET Core, .NET, React, React Native, Node.js, JavaScript, Python, GraphQL, MS SQL Server, MongoDB, PostgreSQL, MySQL, AWS, and Azure● Development of a new COVID-19 test using AI and Python, MS SQL Server, Flask, deployed on Azure for RAIsonance● Implemented contactless check-in for The Bright Hotel using Node.js, React, MySQL, GraphQL and AWS Lambda functions● Developed back-end and front-end applications using .NET Core, React and React NativeImplemented integrations with payment methods (Stripe, Paypal, and others)● Developed automation and data capture applications using Node.js and Puppeteer technology for a Canadian civil construction startup (TOOLBX)● Provided development and consulting services for e-commerce using the Shopify platform
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  • Nordister
    Founder
    Nordister Jan 2017 - Jan 2020
    Estados Unidos
    Entrepreneurial Leader - Building and Scaling Global E-commerce Businesses● Founded and led Nordister, a successful e-commerce business specializing in the planning, brand development, product development, design, and manufacture of branded products in China.● Expertise in import/export logistics, managing employees and suppliers in multiple countries, and warehouse logistics in the United States.● Developed and administered e-commerce platform Back-end using .NET Core (C#), Front-end using React, mobile app development using React Native and marketing campaigns using Google ADs, Facebook Ads, and Email Marketing.● Achieved sales success, averaging 1,000 orders per month and generating $35,000-$40,000 USD in revenue per month, with customers in countries including the United States, Canada, Holland, Spain, France, and Portugal.● Proven ability to build and scale global e-commerce businesses and drive revenue growth through innovative strategies and tactics.
  • Id Logistics - Brasil
    Full Stack Senior Software Engineer
    Id Logistics - Brasil 2015 - 2017
    Leading Innovative Technical Solutions in Logistics - Strong Experience in Start-up and Operations Management● Responsible for the development and implementation of technical solutions in logistics, utilizing technologies such as .NET (C#), React.js/React Native, Python, Node.js, GraphQL and PostgreSQL.● Led the start-up of Navistar MWM automotive segment group, responsible for surveying and transferring the Distribution Center from Canoas-RS to Jundiaí-SP, and managed a team of Analysts in the Jundiaí-SP operation.● Participated in multiple logistics operations and start-ups, including Portobello, Henkel, and Sogefi.● Skilled in surveying and analyzing requirements of logistics projects for the transport area, conducting customer data analysis to understand the characteristics of the project and define the best logistics solutions to be offered, with a focus on economic viability and service excellence.● Proven ability to research good practices, solutions, and methodologies in the market and to create cost models and technical and commercial proposals.
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  • Dhl
    Full Stack Senior Software Engineer
    Dhl Sep 2013 - Dec 2014
    Jundiaí, São Paulo
    Full Stack Senior Software Engineer with a proven track record of delivering high-impact solutions in the Claims Management sector. Skilled in .NET, React.js, JavaScript, Node.JS, Salesforce development with APEX and Visualforce and IBM Cognos BI.● Back-end Development using .NET (C#)● Front-end Development using React.js● Experience in developing and administering Salesforce platform in the Claims sector (Brazil and the US).● Expertise in developing high-level reports for managers, directors and vice presidents for both Brazil and the US.● Proven track record in developing solutions on the Salesforce platform and Business Intelligence with IBM Cognos BI.● Experience in developing the Customer Claims Portal, Audit Tools, and KPIs.● Trained in IBM Cognos BI in Columbus – Ohio, USA (February/2014)● Participated in a strategic meeting of the IRM sector in Columbus – Ohio, USA (June/2014)● Participated in the Riskonnect/Salesforce conference in Atlanta – Georgia, USA (October/2014)● Professional experience reporting directly to a manager in the United States.
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  • Dhl
    Full Stack Senior Software Engineer
    Dhl Apr 2013 - Sep 2013
    Jundiaí
    Senior Software Engineer responsible for creating software solutions for logistics operations for clients such as HP, Sky, Nike, Reckitt Benckiser, Pepsico and others.● Proficient in back-end development using .NET (C#), Python and Node.js● Skilled in front-end development using ASP.Net, Windows Forms, WPF, HTML, CSS, JavaScript(Frameworks)● Experience in database design and implementation using MS SQL Server, PostgreSQL, and MySQL● Led continuous improvement projects, process design, cost modeling, and labor planning● Expertise in implementing productivity control solutions such as OMP
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  • Db Schenker
    Senior Software Engineer
    Db Schenker 2012 - 2013
    Sorocaba E Região, Brasil
    Senior Software Engineer with expertise in developing back-end and front-end solutions using C#, Java, Python and Node.js. Proven track record in delivering high-impact projects for clients in the logistics industry.● Developed a Warehouse Management System (WMS) for Huawei in the Northeast of Brazil, resulting in improved efficiency and productivity in the warehouse operations.● Created a financial software to control the entire financial process in the transport operation for Huawei in Brazil, leading to increased transparency and accuracy in financial reporting.● Skilled in database design and implementation, utilizing MS SQL Server and PostgreSQL to support the development of software solutions.● Proven track record of delivering solutions that meet or exceed client expectations and achieving significant improvements in efficiency and productivity for clients in the logistics industry.
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  • Capgemini
    Senior Software Engineer
    Capgemini 2008 - 2012
    Salvador E Região, Brasil
    Senior Software Engineer experienced in private and government projects.● Proficient in back-end development using C#, VB.NET, Java, Python, Node.js.● Strong skills in front-end development using ASP.NET, JavaScript (including frameworks), HTML5, CSS.● Experience in database design and administration for Microsoft SQL Server, Oracle, PostgreSQL and Mysql.● Expertise in Business Intelligence using Microsoft Solutions.
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Helder Perez Education Details

Frequently Asked Questions about Helder Perez

What company does Helder Perez work for?

Helder Perez works for Raisonance Group

What is Helder Perez's role at the current company?

Helder Perez's current role is Senior Software Engineer - Full Stack .Net Core | React & React Native | Node.js | JavaScript | Python | AWS & Azure.

What schools did Helder Perez attend?

Helder Perez attended Universidade Paulista.

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