Nuno Proença Santos Oliveira

Nuno Proença Santos Oliveira

About

Detail

Mid-Level Backend Software Engineer | Java & Spring Boot | Python | High-Performance APIs & iPaaS
State of Paraná, Brazil
Contact Nuno regarding: 
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Full-time jobs
Starting at USD30/hour
Flexible work
Starting at USD30/hour

Timeline

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Résumé

Jobs verified_user 0% verified
  • O
    Software Engineer (Mid-Level)
    Opus Software
    Mar 2024 - Current (2 years 5 months)
    • Developed 50+ high-performance APIs handling 10,000+ transactions per second (TPS) for account management and transaction processing. • Migrated legacy systems to Java 21, leveraging new optimizations to achieve a 37% performance boost and improved code maintainability. • Implemented data collectors for system monitoring, enhancing data analysis capabilities by 21%. • Coordinated effectively with a remote engineering team to ensure alignment on backend service development and maintenance, actively managing asynchronous communication and conducting remote code reviews.
  • Jitterbit
    Software Engineer
    Jitterbit
    Oct 2022 - Mar 2024 (1 year 6 months)
    • Developed 20+ iPaaS connectors for the Harmony platform, expanding integration capabilities by 20% and driving a 15% increase in new customer acquisition. • Optimized critical code segments, improving API response times by 40% and reducing server load by 35%, which cut customer-reported latency issues by 10%. • Implemented SMB protocol support in key connectors, facilitating seamless data transfer for enterprise clients and contributing to a 42% increase in large enterprise onboarding. • Resolved production incidents via PagerDuty, reducing average bug resolution time by 15% through improved diagnostic procedures. • As a Software Engineer, I navigated remote team coordination by aligning technical requirements and system integrations with
  • I
    Back-End Developer
    Intelitrader
    Nov 2021 - Oct 2022 (1 year)
    • Deployed 35+ APIs and data collectors on Linux servers supporting 150+ concurrent users, improving data acquisition efficiency by 30%. • Implemented automated testing suites, achieving 90% test coverage and reducing post-release bugs by 20%. • Monitored system performance to proactively resolve bottlenecks, resulting in a 5% decrease in system downtime. • Coordinated effectively with distributed teams to align API development and manage asynchronous workflows, ensuring seamless integration across diverse project components. • Actively participated in virtual agile ceremonies and remote code reviews to maintain high standards of collaboration and facilitate seamless system updates across different geographical locations.
  • F
    IT Assistant
    FANCAR
    Jul 2021 - Nov 2021 (5 months)
    • Developed a dynamic CV management system, automating the creation process and reducing administrative time by 50% for over 200 employees. • Automated SQL-based reporting, saving the management team an average of 2 hours per day.
Education verified_user 0% verified
  • NA
    Industry 4.0 Integration
    NA
    Feb 2020 - Current (6 years 6 months)
    Executed a Power BI integration project with DAF Trucks.
  • NA
    Ionic Project (Scientific Initiation)
    NA
    Feb 2020 - Feb 2021 (1 year 1 month)
    Created a mobile application to assist Biological Sciences education.
  • NA
    UTFalcon (Aerodesign)
    NA
    Feb 2019 - Feb 2020 (1 year 1 month)
    Developed a genetic algorithm to optimize aircraft load distribution.
  • U
    Bachelor's Degree in Computer Science
    UTFPR, Ponta Grossa, Paraná, Brazil
    Sep 2017 - Sep 2021 (4 years 1 month)
    Relevant coursework: Data Structures and Algorithms, Object-Oriented Programming, Software Engineering, Database Management, Computer Architecture, Operating Systems, Artificial Intelligence, Machine Learning, Computer Networks, Web Development, Parallel and Distributed Computing, Discrete Mathematics, Linear Algebra, Calculus, Probability and Statistics. Bachelor Thesis: GENETIC ALGORITHM FOR WING SIMULATION FOR SAE AERODESIGN COMPETITION
Projects (professional or personal) verified_user 0% verified
  • O
    Project 2: Estadão - Radar Broadcast
    Opus Software
    Mar 2025 - Current (1 year 5 months)
    Architected the complete API for the Radar Broadcast project to bridge front-end applications with a Generative Al engine, managing 200,000+ transactions. Enabled real-time personalization of news feeds and automated CNPJ tracking through seamless integration with AI/ML teams.
  • O
    Project 1: Digio Bank
    Opus Software
    Mar 2024 - Feb 2025 (1 year)
    N/A