Fabiano Alan Martins

Fabiano Alan Martins

$20/hr
Systems Analyst | .NET & PHP Developer | BI & Data Science
Reply rate:
100.0%
Availability:
Hourly ($/hour)
Age:
44 years old
Location:
São José Do Rio Preto, São Paulo, Brazil
Experience:
20 years
Fabiano Alan Martins Mid-Level .NET Backend Engineer • REST APIs • SQL Server • Systems Architecture • ASP.NET MVC • Blazor São José do Rio Preto, SP, Brazil www.linkedin.com/in/fabianoconvexweb PROFESSIONAL SUMMARY Mid-Level .NET Backend Engineer with 19 years of experience in backend development, application modernization, systems architecture, and enterprise software delivery. Skilled in C#, .NET 7/8, SQL Server, REST APIs, Blazor, and ASP.NET MVC, with strong experience building, improving, and maintaining long-term production systems. Worked extensively with Cobb-Vantress Brazil, the Brazilian subsidiary of Cobb-Vantress (USA), contributing to mission-critical platforms used across multiple production units. Experienced with APIdriven development, database redesign, performance optimization, and converting manual workflows into automated, reliable systems. Strong analytical background (M.Sc. in Applied Mathematics), solid problem-solving skills, and ability to collaborate with cross-functional teams. Focused on code quality, maintainability, and delivering stable, scalable solutions that support real operational demands. CORE SKILLS Backend Development C#, .NET 7/8, REST APIs, ASP.NET MVC, Blazor, Web Services Databases SQL Server (strong proficiency), MySQL, PostgreSQL, Query optimization, Index tuning, Database redesign, Data modeling Architecture & Engineering Layered Architecture, Modular design, API-driven Development, Clean Code, SOLID, Design Patterns (conceptual) , DDD (basic) , Microservices (conceptual) , Distributed Systems (conceptual) Tools & DevOps Git/GitHub, Azure DevOps, CI/CD (basic pipelines), Docker (basic), Postman/Insomnia, IIS, Logging & Monitoring, API integrations, Database integrations Work Practices Agile/Scrum, Kanban, Iterative development, Continuous improvement, Long-term system maintenance, Requirements analysis PROFESSIONAL EXPERIENCE Contract .NET Backend Engineer Cobb-Vantress Brazil - Subsidiary of Cobb-Vantress, USA- (Long-term contract engagement via ConvexWeb) Focused on backend development, system modernization, data integration, and performance improvements. MPS - Management Poultry System .NET 8 • C# • REST API • Blazor • SQL Server • Modular Architecture - Developed the original version of the system in PHP + SQL Server, used across 5 farms and 3 hatcheries. - Rebuilt the platform using .NET 8, adopting a modular, API-driven architecture and a Blazor frontend. - Redesigned the entire SQL Server database, enhancing indexing, normalization, and overall performance. - Reduced manual data entry time by ~60% by eliminating spreadsheet-based workflows. - Implemented consolidated executive reports with generation times under 3 minutes. - Built automated Brazil ↔ USA data synchronization, improving consistency and traceability between systems. - Contributed to a stable and scalable platform adopted as the operational system standard for Cobb-Vantress Brazil. MPSTechService - Technical Analysis System .NET 7 • ASP.NET MVC • REST API • SQL Server - Developed a centralized system for collecting and analyzing client productivity metrics. - Enabled comparative analytics between field results and internal benchmarks. - Designed a REST API backend with an MVC frontend following layered architecture principles. MPSVisitors - Audit & Access Control System .NET 7 • ASP.NET MVC • REST API • SQL Server - Automated end-to-end biosecurity audit workflows and facility access approvals. - Reduced approval times by ~70%, replacing manual email-based processes. - Implemented digital audit trails, certificate automation, and standardized approval workflows. EARLY CAREER EXPERIENCE Software Developer - Independent Projects / Various Clients 2005 - 2010 - Built custom administrative and operational systems for small and mid-size businesses. - Developed reporting modules, data entry tools, and integrated solutions using PHP, MySQL, and early .NET technologies. - Delivered full lifecycle development: requirements, coding, testing, deployment, and support. EDUCATION - MBA in Data Science & Analytics — USP/ESALQ (2022) Master’s in Applied Mathematics — UNESP (2005) B.Sc. in Mathematics — UNESP (2002) Technical Certification in Accounting — Dom Pedro II (2014) LANGUAGES - Portuguese: Native - English: Working proficiency (B1/B2); Strong reading and technical comprehension ADDITIONAL STRENGTHS - Strong analytical and problem-solving skills - Ability to translate business requirements into scalable technical solutions - Strong ownership, autonomy, and accountability in long-term production systems - Clear communication across technical and non-technical audiences - Focus on quality, maintainability, and operational stability
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