Gabriel Baran

Senior Software Engineer with over 6 years of experience designing and maintaining backend services and RESTful APIs using PHP (Laravel) and .NET. Strong background in system integration, SQL optimization (MySQL, SQL Server, PostgreSQL), modular service architecture and legacy system modernization. Experienced in building APIs, handling data ingestion workflows, integrating third-party systems and improving performance in high-usage environments.

Currently leading backend improvements for a large international retail company, focusing on system optimization, maintainability and scalability.

Senior Full Stack Developer at Softtek (2025-01 – Present)

Working on a large legacy retail system for an international cosmetics company, supporting millions of registered users and high-volume transactional operations.

• Maintaining and modernizing backend services built with C# (.NET) and PHP
• Designing and improving RESTful APIs for internal and external system communication
• Leading integration initiatives with third-party platforms
• Optimizing complex queries in SQL Server and PostgreSQL, including indexing and execution plan analysis
• Implementing structured logging and production monitoring improvements

Senior Full Stack Developer at Soft&Cia Tecnologia e Sistemas (2023-07 – 2025-01)

Led backend development for a funeral management system and multiple outsourcing projects involving financial and governmental integrations.

• Designing and implementing backend services using PHP (Laravel)
• Developing and maintaining modular REST APIs
• Handling financial data processing and reporting modules
• Database modeling and optimization in MySQL, PostgreSQL and SQL Server
• Implementing business rule validation and background job processing
• Mentoring junior developers and reviewing architecture decisions

Back-end Developer at Grupo BRT – TravelHost DataCenter (2022-01 – 2022-03)

Developed a travel package API for the tourism industry.

• Designed and implemented RESTful API using Laravel
• Structured JSON responses for pricing, availability and package data
• Implemented request validation and business rules
• Integrated backend with SQL Server
• Supported frontend teams (Vue / React) with API contracts and documentation

Intern at Tv Tem/Rede Globo (2021-01 – 2021-06)

Development of applications for TV using technologies

Systems Analysis and Development – Faculdade de Engenharia de Sorocaba (Facens) (2020 – 2022)