Vinicius is available for hire
Hire ViniciusVinicius Casani
Verified Expert in Engineering
Software Developer
Dois Vizinhos - Paraná, Brazil
Toptal member since March 3, 2025
Bio
Vinicius is an accomplished software developer with 8+ years of experience. He has led a team overseeing 40+ microservices in Java and Spring and handling 60+ million daily requests. Specializing in high-performance APIs, cloud solutions, and system optimization, he adeptly reduces costs and enhances scalability. Proficient in Docker, Kubernetes, PostgreSQL, Oracle, and AWS and always prepared to embrace new challenges, Vinicius excels at mentoring developers and fostering technical innovation.
Portfolio
AnyMarket
Java, ActiveMQ, Microservices, PostgreSQL, MongoDB, Redis, SQL, Scrum...
AnyMarket
Java, Amazon Web Services (AWS), PostgreSQL, ActiveMQ, Grafana, Docker...
Kepha
Amazon Web Services (AWS), Angular, Java, Quarkus, PostgreSQL, REST...
Experience
- Java - 9 years
- Spring Boot - 9 years
- SQL - 9 years
- Microservices - 9 years
- REST - 9 years
- Amazon Web Services (AWS) - 7 years
- Angular - 6 years
- Node.js - 5 years
Availability
Full-time
Preferred Environment
IntelliJ IDEA, MacOS
The most amazing...
...high-performance microservices architecture I’ve managed handles 60+ million daily requests, optimizing scalability, costs, and marketplace integrations.
Work Experience
Tech Lead
2022 - PRESENT
AnyMarket
- Oversaw a team that managed 40+ microservices, optimized marketplace integrations, and ensured high availability for millions of transactions.
- Improved system scalability, allowing the processing of 60+ million daily requests while cutting operational costs and enhancing API performance.
- Designed and implemented new marketplace integrations, conducting API discovery and collaborating closely with the product owner to define optimal integration strategies and ensure seamless delivery.
- Improved monitoring and logging strategies using Grafana and Kibana, reducing issue resolution time by 30%.
Technologies: Java, ActiveMQ, Microservices, PostgreSQL, MongoDB, Redis, SQL, Scrum, Microservices Architecture, REST APIs, Spring, APIs, Apache Kafka, NoSQL, Kubernetes, Back-end Development, Full-stack Development, Databases, Webhooks
Senior Full-stack Developer
2020 - 2022
AnyMarket
- Developed and maintained microservices in Java and Spring Boot, ensuring high availability and performance for marketplace integrations.
- Built and improved API integrations with various marketplaces, optimizing data synchronization and transaction processing.
- Analyzed and optimized processing flows, reducing costs and enhancing system performance for handling millions of daily requests.
- Implemented monitoring solutions using Grafana and Kibana, improving issue detection and response time.
- Created reusable APIs and enforced version control, ensuring compliance and stability across multiple system integrations.
Technologies: Java, Amazon Web Services (AWS), PostgreSQL, ActiveMQ, Grafana, Docker, Spring Boot, Microservices, SQL, Redis, REST, REST APIs, Spring, APIs, Apache Kafka, NoSQL, Kubernetes, Back-end Development, Full-stack Development, Databases
Full-stack Developer
2019 - 2020
Kepha
- Developed and maintained an ERP system for supermarkets, building scalable microservices in Java and Angular to manage finance, sales, and inventory.
- Designed and implemented API integrations, ensuring seamless communication between microservices and 3rd-party systems.
- Collaborated with cross-functional teams to ensure agile development and deliver high-quality software solutions within tight deadlines.
Technologies: Amazon Web Services (AWS), Angular, Java, Quarkus, PostgreSQL, REST, Microservices, REST APIs, APIs, NoSQL, Back-end Development, Full-stack Development, Databases
Full-stack Developer
2016 - 2019
Ciss
- Developed and maintained enterprise applications using Java, Spring Boot, Angular, and Node.js, enhancing system performance and scalability.
- Integrated 3rd-party systems, ensuring seamless data exchange and improving client operational efficiency.
- Optimized application performance by implementing RabbitMQ and Docker, reducing processing latency and improving system reliability.
- Automated software testing using Selenium and CI/CD pipelines, improving deployment efficiency and software quality.
- Collaborated with cross-functional teams following Scrum methodologies, delivering high-quality features within sprint deadlines.
Technologies: Java, Git, Node.js, PostgreSQL, RabbitMQ, Spring Boot, Apache Maven, WildFly, REST, SOAP APIs, JavaScript, REST APIs, Spring, APIs, NoSQL, Back-end Development, Full-stack Development, Databases
Experience
Shein Marketplace Integration for AnyMarket
Developed and led the integration between AnyMarket and Shein marketplace, enabling seamless product synchronization, order management, and real-time data updates. I conducted API discovery, analyzed documentation, and collaborated closely with the product owner to define the best approach for integration. Also, I designed scalable microservices using Java and Spring Boot, ensuring high availability and optimized performance. Additionally, I implemented monitoring solutions with Grafana and Kibana, reducing issue resolution time and enhancing system observability.
This integration expanded AnyMarket's reach, allowing sellers to efficiently list and manage their products on one of the world's leading eCommerce platforms.
This integration expanded AnyMarket's reach, allowing sellers to efficiently list and manage their products on one of the world's leading eCommerce platforms.
GVC Service | Industrial Maintenance Control App
Created a full-stack industrial maintenance control application to streamline work order management, material requests, and factory production tracking. I led requirement gathering and negotiations with the client to define system needs. I also designed and implemented the back-end API in Node.js, ensuring scalability and performance. I built the mobile application in Flutter, handling development, maintenance, and deployment to app stores. Finally, I configured and deployed AWS infrastructure to host the API and database, optimizing cost and availability.
This solution enhanced efficiency for PCM and production teams, automating key maintenance and resource management workflows.
This solution enhanced efficiency for PCM and production teams, automating key maintenance and resource management workflows.
Education
2016 - 2019
Bachelor's Degree in Software Engineering
Federal University of Technology, Parana - Parana, Brazil
Skills
Libraries/APIs
API Development, REST APIs, Node.js, SOAP APIs
Tools
IntelliJ IDEA, Grafana, Git, RabbitMQ, Apache Maven, Dynatrace, ActiveMQ, WildFly
Languages
Java, SQL, JavaScript
Frameworks
Spring Boot, Spring, Angular, Flutter
Paradigms
Microservices, REST, Microservices Architecture, Scrum
Storage
Databases, PostgreSQL, MongoDB, NoSQL, Redis
Platforms
Amazon Web Services (AWS), MacOS, Apache Kafka, Docker, Kubernetes
Other
APIs, Back-end Development, Full-stack Development, Quarkus, Webhooks, Machine Learning, Business Requirements, Cloud Architecture, Mobile App Development
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