Software Engineer Developer

Location:

Los Angeles, CA

Posted:

September 06, 2024

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Resume:

JOHN DREYFUS

Software Engineer

+1-437-***-**** ***.******.***@*****.***

github.com/BlueDevDreamy São Paulo, BR

SUMMARY

Experienced software developer with 8+ years of expertise in Java and Android, system development, testing, and project management.

Proven track record of contributing to large-scale projects in academic and private sectors. Skilled in full software development lifecycle, including requirement analysis, design, coding, testing, and maintenance.

Adept at collaborating with cross-functional teams to deliver high-quality solutions. Strong background in object-oriented design principles and agile methodologies. Continuously enhancing skills in emerging technologies to drive innovation and optimize project outcomes.

PROFESSIONAL EXPERIENCE

Lead Software Engineer 2022 - 2024

Binance São Paulo, BR

Redesigned Swipe’s backend architecture with a customized structure, enhancing scalability and maintainability.

Upgraded backend and client versions, leading to a 10% increase in transaction speed and a 35% reduction in server load.

Managed a seamless transition to new backend infrastructure with zero downtime, ensuring continuous service availability.

Senior Software Engineer 2020 - 2022

Swipe São Paulo, BR

Conducted rigorous code inspections, reducing bug occurrences in production by 0.7%. Led integration of backend services with the Android client, increasing app stability by 10%.

Optimized Java-based microservices, achieving a 23% reduction in server response times. Upgraded backend infrastructure, supporting a 22% increase in active users without performance issues.

Software Developer 2018 - 2020

Bridgit Kitchener, Ontario, CA

Developed key features in Java-based applications, enhancing functionality and increasing user satisfaction by 15%.

Identified and fixed bugs, reducing application downtime by 20%. Collaborated with senior developers and applied Java frameworks, contributing to successful project deliveries.

Implemented best practices for code quality, decreasing technical debt by 10%. Junior Software Engineer 2016 - 2018

Communitech Kitchener, Ontario, CA

Participated in all stages of the software development lifecycle, gaining a comprehensive understanding of real-world application development. Contributed to quality assurance by writing and executing test cases, supporting smoother project launches.

Implemented industry-standard coding styles, ensuring maintainable and high-quality code.

Collaborated with senior developers on live projects, improving teamwork and communication skills.

EDUCATION

Bachelor of Science, Computer Science 2013 - 2016

University of Waterloo Waterloo, Ontario, CA

KEY ACHIEVEMENTS

Specialized project design

Designed and optimized solutions for

custom requirements, focusing on

performance and security by adapting

common frameworks to specific projects.

Database Maintenance

Optimization

Designed and inspected a large MySQL

database, optimizing maintenance for

medium-sized databases.

SKILLS

Languages

Java C++ Python MySQL C#

Node.js React.js PHP Kotlin

Platforms

Linux Windows Android

STRENGTHS

Java Specialist

Over 8 years of practical experience

in Java & Android development with

backend system management.

Problem solver

Resolved critical issues on both

server and client sides as a

manager, inspector, and senior

mentor.

Corporate Social

Responsibility

Managed a development team for

over 2 years and has more than 4

years of mentoring experience.

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