Leniel Maccaferri's blog: Consultant

Consultant

Leniel Maccaferri's Consulting
Senior Full-Stack Software Engineer
Always looking for projects! Get in contact.

Bio
Located in Volta Redonda - Rio de Janeiro - Brazil.

In 2000 started learning how to develop software. Since then never stopped.

Works as a freelancer/independent contractor - home office arrangement or on the client premises.

During the last couple years/jobs, acquired a level of expertise that allows him to build anything regarding software products/systems.

Some pretty interesting routines implemented along the way:

- Document Upload/Download to/from Database

- Excel report generation using an Excel spreadsheet as template [ NPOI ]

- PDF report generation using PDF Form as template [ iTextSharp ].

- SQL Server Job Schedule
Implemented a small package that updates a SQL Server Job Schedule according to user specified values entered in a web form.

- Questionnaire answering using two different display modes: Listing and Wizard (beautiful jQuery/JavaScript code)

- Real-time pushing/server sent messages
Implemented a notification and blocking/unblocking feature using ASP.NET SignalR that notifies and blocks/unblocks concurrent users trying to answer the same questionnaire question.

Services

Development of your software product from the ground up;
Help you get your online address on the internet to leverage your business;
Build, configure and install your website according to your needs;
Integrate Google Analytics and Google AdSense into your website;
Add a blog to your web site integrating it with a Google Docs form to collect any kind of information from your visitors according to your needs; See the one used on this blog.
Assist with problem solving and technical issues regarding software development.
Any other task related to software development.

Values software design patterns and always employs state of the art technologies.

With a decent computer + tools + internet connection + Google search and the help of StackOverflow, the job is done.

Hard-working guy. You'll get a great result.

Specialties [ 10+ years of experience in software development ]
Languages: C#, Java, PHP, JavaScript, TypeScript, jQuery, Angular, SQL, C++, Scala, Delphi, Fortran, Bash/Shell scripting, PowerShell, HTML, CSS, XML, JSON, etc.
Front-end Frameworks: ReactJS, AngularJS, Play Framework, etc.
Back-end Frameworks: ASP.NET (Core) MVC/P, CodeIgniter, CakePHP, LINQ, Entity Framework, N/Hibernate, WebServices
Web servers: IIS, Apache/Tomcat
Cloud Platforms: Azure, Azure Active Directory (AD) B2B|B2C
Business Intelligence: PowerBI
Big Data: Apache Spark, Spark XML, Spark SQL
IDEs: Microsoft Visual Studio, PL/SQL Developer, Eclipse, Xcode, NetBeans, Borland Delphi, Dreamweaver
Source code revision control tools and continuous integration: Team Foundation Server (TFS), Git, SVN, Hudson, Jenkins CI Database systems: Microsoft SQL Server, Azure SQL Server, MySQL, Oracle, RavenDB, Microsoft Access
Operating systems: Windows, Unix/Linux, Mac OS, Parallels Desktop, Virtual Machines
Microsoft Windows/Linux environment: Active Directory, Samba, Terminal Services
Distributed systems and parallel programming: PLINQ, Task Parallel Library (TPL), HPC, cluster, grid, MPI
Real time data management: OSIsoft PI System
Operational Intelligence: Siemens XHQ
Google Analytics, AdSense, SEO

If you need something done using any other technology, no problem because I'm a rapid learner.

Contact
Feel free to get in contact to further discuss any job offer.