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Felippe Vanroo Silveira

@felippevanroosilveira

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Software engineer focused on Python/Django APIs, PostgreSQL performance, and AWS-driven reliability.

Brazil

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What I'm looking for

I’m looking for a team where I can build reliable backend APIs with Python/Django, optimize PostgreSQL performance, and use AWS monitoring and testing to ship faster without sacrificing quality.

I’m a software engineer using Django as the primary framework to build applications that manage a PostgreSQL database and expose APIs through Django REST Framework and Django JSON API. I focus on test integrity with pytest (unit and integration tests) and system reliability in an RDS/EC2 AWS cloud environment, maintaining a 99.95% platform uptime.

My impact includes overhauling login and password management, optimizing API endpoints with django-silk (up to 90% response-time reduction), and exporting large Excel files with Zappa and AWS Lambda (hundreds of API calls down to one). I’ve also migrated UI work from React to Python to improve speed and reduce AWS monthly billing, and used Sentry reports and AI analysis to create PostgreSQL custom indexes that cut critical query wait time by up to 50%.

Experience

Work history, roles, and key accomplishments

Current

Software Engineer

Current

Kartado

May 2022 - Present (4 years)

Developed Django applications and APIs backed by PostgreSQL in an AWS RDS/EC2 environment, improving performance and reliability. Delivered login/password overhaul using more reliable libraries, reduced API response times up to 90% (30s → 3s), exported large Excel files with a single Lambda/Zappa workflow, and maintained 99.95% platform uptime.

Django Django REST Framework PostgreSQL AWS Lambda AWS RDS AWS EC2 Pytest Django Silk Zappa Sentry

Customer Success Engineer

Kartado

Nov 2020 - Nov 2023 (3 years)

Built Python/Jupyter notebooks to manipulate a PostgreSQL database based on user requests. Implemented form/data changes, restored records mistakenly deleted by users, and debugged issues to escalate relevant cases to Tier 3 support.

Python Jupyter Notebooks PostgreSQL Debugging Escalations Customer Support

Engineering Intern

WEG S.A.

Aug 2018 - Feb 2019 (6 months)

Performed testing and maintenance of medium voltage inverters, including MVW3000 and MVW01 models. Developed graphical interfaces for remote network operation, researched new analog circuits for inverter prototypes, and updated technical manuals for newer versions.

Medium Voltage Inverters Hardware Testing Maintenance Analog Circuits Matlab Arduino Technical Documentation

Teaching Assistant

Federal University of Santa Catarina (UFSC)

Jul 2013 - Jul 2014 (1 year)

Served as a Calculus I teaching assistant for Engineering and Economics students. Helped students solve problems, answer questions, and apply preparation tests as needed.

Calculus I Tutoring Student Support Exam Preparation

Education

Degrees, certifications, and relevant coursework

Federal University of Santa Catarina (UFSC)

Bachelor's Degree, Electronics Engineering

2013 - 2019

Grade: 8.33/10 (Top 3 of Class)

Undergraduate Electronics Engineering degree at UFSC. Thesis: Comparative Study of ECG Signal Noise Removal Performance Using Different Digital Filters (Advisor: Prof. Jefferson L. B. Marques), with a Weighted Mean Grade of 8.33/10 (Top 3 of Class).

Shibaura Institute of Technology

Exchange Research Student, Electronics Engineering

2014 - 2015

Exchange research student in Electronics Engineering split across two projects: alpha wave analysis (MATLAB) and bioelectrical signal analysis of biceps muscles using MATLAB and Arduino (Advisor: Prof. Shin’ichiro Kanoh).