Backend-kehittäjä

• Assumes the responsibility of leading a team of 3 developers, providing guidance and supervision in technical matters;

• Makes high-level architectural and design decisions, ensuring the development of robust and efficient solutions;

• Conducts regular meetings with stakeholders to gather requirements, provide updates, and address any concerns or issues;

• Supervises system modifications, ensuring adherence to coding standards, best practices, and project requirements;

• Conducts code reviews for Java and Go code, ensuring code quality, identifying areas for improvement, and providing constructive feedback to team members;

• Collaborates with cross-functional teams to ensure smooth integration of different software components;

• Stays updated with the latest industry trends and technologies, incorporating them into technical decisions and guiding the team in adopting new tools and practices;

• Fosters a collaborative and productive work environment, encouraging knowledge sharing and professional growth among team members.

Development of Java and Go microservices hosted in AWS, leveraging the following technologies and principles: SNS, SQS, Fargate, Postgresql, DDD, SOLID, Event-Driven, Event Sourcing

• Takes responsibility for developing and maintaining the ads monetization mobile games, ensuring its functionality and performance;

• Develops a real-time header bidding exchange solution using Go, enabling efficient and dynamic ad placement within the platform;

• Creates ads mediation SDKs for Android games using Kotlin, providing developers with tools to integrate and manage ads seamlessly within their games;

• Develops ads mediation SDKs for iOS games using Objective-C, enabling smooth ad integration and management on iOS platforms;

• Integrates ad libraries into Unity games, facilitating the display and management of ads within the Unity game development environment;

• Collaborates with cross-functional teams, including game developers and product managers, to gather requirements and ensure alignment with business objectives;

• Conducts testing and debugging to identify and resolve any issues or bugs within the ads monetization platform and SDKs;

• Works closely with the operations team to ensure smooth deployment and ongoing maintenance of the ads monetization platform and related components;

• Keeps up to date with industry trends and best practices in mobile ads monetization, incorporating new features and technologies into the platform to enhance its effectiveness;

• Provides support and technical assistance to game developers, helping them integrate and optimize ads within their games.

• Leads the backend team, taking charge of the development of various APIs to meet clients' requirements;

• Manages a team of 3 developers, providing guidance, mentoring, and ensuring efficient collaboration;

• Designs and develops APIs and persistence layers using the Spring framework, Java 8, and PostgresSQL;

• Integrates the developed APIs with SOAP and REST APIs of travel providers, enabling seamless data exchange and integration with external systems;

• Collaborates with clients and stakeholders to gather requirements, provide updates, and address any concerns or issues;

• Conducts code reviews, ensuring adherence to coding standards, best practices, and performance optimization;

• Ensures the security and integrity of the APIs, implementing appropriate authentication and authorization mechanisms;

• Works closely with the frontend team to ensure smooth integration and communication between the frontend and backend systems;

• Conducts thorough testing and debugging to identify and resolve any issues or bugs within the APIs.

• Assumes ownership of the Restaurants team Golang applications, overseeing their development and maintenance;

• Takes responsibility for feature development on the main Java API, contributing to its enhancement and functionality;

• Designs and develops data migration applications and processes, facilitating the seamless data transfer between a PostgreSQL Database and an ElasticSearch Database;

• Develops a fast Golang middleware application for user authentication and backend redirection, ensuring secure and efficient data communication;

• Collaborates with cross-functional teams, including backend developers and database administrators, to ensure smooth integration and data synchronization;

• Implements new features using Java 8 and the Spring framework, following design specifications and coding standards;

• Conducts thorough testing and debugging to identify and resolve issues or bugs within the Golang applications and Java API.

• Responsible for the development and maintenance of the core backend APIs for Mercadolibre.com, ensuring their functionality and performance;

• Undertakes the migration of applications from an old stack (Grails) to a new stack (Golang), modernizing the technology infrastructure;

• Successfully migrates the Users API, handling 2 million requests per minute (RPM), from Groovy/Grails to Go, significantly improving response time from 20ms to 4ms;

• Leads the migration of the Payment Options for Products API, handling 200k RPM, from Groovy/Grails to Go, resulting in a substantial response time improvement from 100ms to 10ms;

• Reworks the architecture of the Payment Options for Products API during the migration process, enhancing its efficiency and scalability;

• Collaborates with cross-functional teams, including frontend developers, database administrators, and product owners, to ensure smooth integration and coordination during migration;

• Conducts thorough testing and debugging to identify and resolve any issues or bugs during the migration and maintenance phases;

• Implements best practices and coding standards in developing and maintaining the backend APIs, ensuring code quality and adherence to performance optimization principles.