Felipe (Dutra) Athaydes
Senior Golang Backend Engineer / System Architect
Experience
Jan 2025 - Present
7 monthsSenior Golang Backend Engineer / System Architect
Mindera
- Architected and led development of a new data layer for a game server hosting platform, managing all storable assets and supporting peak loads of over 3 million concurrent users.
- Implemented using Golang, gRPC, Kubernetes, Redis and GCP services (CloudSQL, Spanner, PubSub, GCS).
Oct 2023 - Dec 2025
1 year 3 monthsSenior Golang Backend Engineer / System Architect
Mindera
- Designed and implemented a high-throughput event platform using Golang, gRPC, and MQTT, connecting internal services and game clients (PC, consoles, mobile) on AWS.
- Achieved a message delivery rate of over 1 million messages/second with sub-100ms latency.
- Utilized Amazon DocumentDB, AuroraDB, Elasticache, IoT Core, MQ, and SQS.
Jul 2023 - Oct 2023
4 monthsSenior Golang Backend Engineer / System Architect
Mindera
- Refactored and fixed issues with the end-to-end testing tool and with the game server built for testing purposes, both written in Golang.
- Built a Golang package to reduce packet size on UDP communication to circumvent MTU limitations.
Jul 2022 - Oct 2022
4 monthsSenior Golang Backend Engineer (Freelancer)
LOVOO GmbH
- Developed and maintained gRPC services for billing and invoicing, integrating with third-party APIs (Google Play, iTunes, PayPal, Stripe, Adyen, Fastbill).
- Resolved critical issues related to duplicate charges and subscription inconsistencies, reducing complaints related to billing by 98%.
- Utilized Golang, gRPC, GCP PubSub, Kafka, CloudSQL (MySQL), and Redis.
Apr 2021 - Jun 2023
2 years 3 monthsSenior Golang Backend Engineer / System Architect / DevOps
Mindera
- Spearheaded performance optimization of the Vanture Valley game server for Singleton Foundation, increasing capacity from fewer than 10 to over 2000 simultaneous matches.
- Developed key features, including a fully automated championship system and a new card system with in-match abilities.
- Managed and maintained the game's AWS infrastructure using Terraform, Kubernetes, and Docker.
Dec 2020 - Apr 2021
5 monthsMid-Senior Systems Architect / Backend Engineer
Dock
- Contributed to the architectural transition from a monolithic Java application to Golang microservices based on domain-driven design.
- Developed a timeline system for credit card transactions using PostgreSQL, Kafka, and Benthos.
- Created automated end-to-end testing tools for the QA team.
- Mentored colleagues in an internal Golang course.
Feb 2018 - Dec 2020
2 years 11 monthsJunior-Mid Full Stack Developer
Dinamize Informática
- Developed and deployed a Golang-based push notification service for iOS and Android apps, achieving a delivery rate of over 1 million notifications per day.
- Built a data integration microservice connecting to multiple third-party APIs, including social media platforms.
- Refactored the email marketing automation system, improving performance and scalability.
- Developed a high-concurrency microservice for injecting scripts into client websites.
- Created a drag-and-drop HTML editor for emails and landing pages using JavaScript (jQuery) and PHP.
Summary
Senior Golang Backend Engineer specializing in the design, development, and optimization of high-performance, scalable microservices for the gaming, finance, and marketing industries. Designed and implemented a gRPC-based event platform handling over 10 million events/day with 99.995% uptime. Led performance improvements, increasing system throughput by 200x and reducing database load by 90%. Proven ability to deliver complex projects from inception to production in fast-paced, agile environments.
Languages
Portuguese
Native
English
Advanced
Similar Freelancers
Discover other experts with similar qualifications and experience