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Download Case Study: Financial systems development

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Contmatic Phoenix is a leading IT company founded in 1987 and based in Brazil. It specializes in the development of advanced software solutions for accounting and company tax management. With more than 17,000 active customers and over 100,000 users Contmatic Phoenix is the largest software company specializing in accounting in São Paulo and one of the largest players in this sector in all of Brazil.


Contmatic Phoenix is a leading IT company founded in 1987 and based in Brazil. It specializes in the development of advanced software solutions for accounting and company tax management. With more than 17,000 active customers and over 100,000 users, Contmatic Phoenix is the largest software company specializing in accounting in São Paulo and one of the largest players in this sector in all of Brazil.


The company recognized that to remain competitive and provide the best solutions to their existing customers, the desktop versions of two products currently written in Delphi needed to be upgraded and converted into cloud solutions using Java.

G5 Phoenix - a practical and effective system designed to integrate with the Department of Finance programs, Federal Revenue of Brazil, and Municipalities.

Key features of the application include tax calculations, report generation, integration with multiple systems, data import, and export.

Loja Phoenix – business management software that enables companies to control and manage: product inventory and product supply, revenue and cash flow, invoice preparation, and payments management.

Functions of the system: financial and account management, payables, and receivables control, including client and procurement invoice tracking.


First Line Software applied modern technology methodology to ensure fast application performance, scalability, and high-speed development. In particular, by using Java, and the REST approach, the team was able to develop a cross-platform system that can be easily integrated with other systems as necessary.

Key Project Milestones

  • Learn accounting practices specific to Brazil
  • Analyze current applications
  • Convert existing systems from Delphi desktop programs into cloud solutions
  • Transition to relational databases
  • Implement multi-tenancy

The project team even had to learn basic Portuguese!

Technological Solution

ApplicationG5 Phoenix was composed of several layers:

  • Database tier - provides access to information and separate storage for each client, built on the PostgreSQL database
  • Backend tier - enables the business logic of the system, permits varying levels of access rights, validates the entered information, includes search capabilities, and robust report generation. This tier is built on the application server Tomcat and uses the Spring (Data and MVC - Model View Controller), Hibernate, and Shiro frameworks.
  • Frontend tier - enables processing of requests for static content and load balancing, built on an Nginx server.
  • Client tier - built in the form of a single application (SPA) with Angular, HTML5, CSS3

Loja Phoenix is made up of two modules – Loja and Loja Reports and both can be deployed independently on one or more servers.

  • Loja implements the business logic of the application, processing user input
  • Loja Reports provides the capability for generating a range of reports
  • With this application, layers can be used separately or together:
  1. Database tier - provides access to information and is built on a MySQL database.
  2. Backend tier - provides the business logic of the system, includes access rights based on user levels, validates the information entered, and offers search capabilities. Built on the application server Glassfish, it uses Spring (Data, Security), Hibernate, and Apache CXF frameworks.
  3. Frontend tier - the client part of the application, written using JSF (Primefaces), Velocity, JQuery.


At the conclusion of this project, both G5 Phoenix and Loja Phoenix were optimized for performance and available as cloud-based applications for the clients of Contmatic Phoenix.

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Client References

I want to express my gratitude for all of your team’s hard work, support and extra help. We are very grateful for all that you have done for us.

Senior Project Manager, a U.S. specialty digital design and web development agency

Your quality of work is exceptional, and your flexible approach has allowed us to build and deploy a large amount of complex functionality in a very short space of time. Kudos to everyone for their professionalism and for delivering results that exceeded our expectations.

CEO, leading social media analytics provider

We have never had a better release that we can think of. And that is all because of your hard and dedicated work. So here is a big THANK YOU to everyone from all of us!

Editor, leading Scandinavian newspaper

For a software vendor like ourselves, picking the right development partner is crucial. First Line’s technical expertise and solid project management, coupled with their proficiency in Agile methodologies, have made them an integral part of our product development group.

VP Product Development, leading enterprise software vendor

Our First Line Team has been doing a great job. All of the guys check in great code, and they have a forward thinking mindset, not a feature-to-feature approach. They are also very open in terms of sharing knowledge, which is critical to running productive distributed teams.

Application Development Director, global marketing company

We've all learned a lot from you, and it is great working with you.

Application Development Director, global marketing company

The First Line team has an excellent process and we can learn from your team and improve.

Product Owner, Strategic Software Consultancy

I would like to thank the First Line development team for their dedication and high level of quality in their work. Despite being thousands of miles apart, we have been able to work quickly, effectively, and intelligently. Your team has been a major part of why we have been successful thus far.

VP Engineering, e-learning startup

First Line is a great technology partner capable of delivering complex, ‘industrial grade’ projects. They have demonstrated strong technical competence and solid understanding of the media and publishing domain. We have also been very impressed by the management team's attention to our needs and commitment to our success.

CEO, leading European digital media company

Your effort is the #1 reason that this project is going so well. I've worked with a lot of teams over the years and there are very few teams that I trust and respect. When you are given a task or feature, I never have to worry whether or not it will be accomplished on time and I never worry about the quality - you always deliver.

Architect, Strategic Software Consultancy

The team we put together in the last half of this year is one of the most productive, skilled and enjoyable I’ve ever worked on. It’s great to see the product brought to life, and I’m proud to work with all you folks.

Senior Architect, Fortune 100 company

The First Line Software team is professional, results driven, and proactive. I know that when we provide requirements for new functionality, they will not only deliver on the scope of what has been asked but will look beyond and give insight into how we can make our product even better. It has been a privilege to work with First Line Software, and I look forward to continuing our partnership in future.

VP, global marketing company
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