
Ryan L
Backend Developer
Habilidades

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Experiência profissional
Self Employed
Período integral • 3 yrs 6 mos
Software Developer
Jun 2025 - Present • 1 yr 1 mo
*Enterprise Duesoft Sistemas(br) Software developer focused on backend systems, ERP integrations, PostgreSQL databases and business automation solutions. Worked on development and maintenance of ERP integrations, REST APIs, mobile integrations, ETL processes and database optimization for multiple business clients. Main responsibilities and technologies: ✔ REST API development and integration ✔ PostgreSQL database optimization ✔ ERP and e-commerce integrations ✔ Webhook implementation and automation ✔ Backend development using C# and .NET ✔ SQL optimization and troubleshooting ✔ Mobile and database integrations ✔ ETL and data migration processes ✔ Inventory and order synchronization ✔ Technical support and bug fixing for enterprise systems Worked with scalable business solutions focused on automation, reliability and system integration.
Backend & API Integration Developer
Feb 2024 - Present • 2 yrs 5 mos
Worked as a freelance backend developer specializing in REST APIs, PostgreSQL databases, ERP integrations and workflow automation. Developed and maintained custom integrations between ERP systems, mobile applications, e-commerce platforms and third-party services. Main responsibilities and achievements: ✔ REST API development and integration ✔ PostgreSQL database design and optimization ✔ ERP and inventory synchronization ✔ Webhook implementation and automation workflows ✔ Backend development using C# and .NET ✔ SQL query optimization and troubleshooting ✔ Integration bug fixing and system maintenance ✔ Mobile and database integrations ✔ API testing and documentation using Postman ✔ Custom business automation solutions Delivered reliable and scalable solutions focused on performance, automation and system integration.