Backend Software Engineer (Java / Spring)
📍 Brazil
Backend Software Engineer with 8+ years of experience designing and optimizing scalable backend systems using Java, Spring, and SQL. Strong analytical and problem-solving skills with expertise in performance tuning, batch processing, and system integration. Proven ability to collaborate with cross-functional teams and deliver reliable solutions in distributed, remote environments.
Salary
GBP 25,000 – 1,000,000
Bluesoft Sistemas
May 2025 — Present
Optimized complex SQL queries (Oracle/PostgreSQL) using EXPLAIN PLAN and indexing strategies, reducing execution time by 95%. Enhanced financial reconciliation processes, saving 4 hours per day and increasing audit traceability.
Memora Processos Inovadores S/A
Apr 2021 — May 2025
Automated Pix payment verification and refunds using Spring Batch, eliminating 2 hours of daily manual work. Optimized SQL queries and indexing strategies, reducing execution time by 92%. Centralized business rules into service layers, reducing maintenance effort by 40%. Integrated backend services with chatbot and IVR systems, reducing human support calls by 15%.
Indra
Nov 2020 — Apr 2021
Built React CRUD interfaces integrated with REST APIs, improving data reliability and user experience. Created a reusable React-based app launcher menu to streamline access to multiple internal applications. Reduced production bugs by 40% through proactive log monitoring with Kibana.
MAXTOOL Contábil
Jul 2017 — Nov 2020
Developed workflow engine using the State Design Pattern, reducing operational bottlenecks by 30%. Built hierarchical task visualization, doubling team productivity.
Bachelor's · Computer Science
2012 – 2016