Transporeon provides cloud-based transport management software to shipment and logistics service providers, with a global supply chain platform to manage multi-modal transportation flows.Main responsibilities:- Develop, test and maintain a TMS - Transportation Management System. Work mainly involves the flow/logic of orders, routes, stops, milestones, georeferencing and other related functionalities, caring for the performance of heavy and complex operations. Using Node.js, PostgreSQL and Kafka.- Based on requirements, design, prepare and enable features for further development, describing, documenting and adding tech notes to tickets and user stories.- Co-development and maintenance of a module to make the system multilingual, using a third-party service provider, AWS and bash.- Co-development of a RESTful API for georeferencing and routing, implementing third-party service providers for consistency.- Working with M2M communication using Auth0 authentication.- Maintenance of integration modules using Apache Kafka in Java.- Conduct code reviews and provide constructive feedback.- Resolve complex bugs/issues.+ Working daily in English, spoken and written.Main technologies:* Node.js* Docker* PostgreSQL* Apache Kafka* Languages: Javascript, Coffeescript, Java, SQL* Testing: Tap, Mocha, Sinon, Chai, CypressMain tools:* GitHub* Grafana* TeamCity* SonarQube* AWS: s3* Atlassian: JIRA, Confluence* Slack

Position at: Transporeon.

Position at: Infracommerce.

Infracommerce offers solutions for Full Commerce, helping large businesses to be set up end to end. Order and aftersales squad.Main responsibilities:- Participation in the creation of new Multi-Tenant projects to meet the demands of a full e-commerce.- Develop, test, and maintain microservices using Node.js and associated technologies, including Nest.js, Kafka, MongoDB, Keycloak, and Jest, following a clean architecture approach, for high-performance and high-throughput applications. - Develop, test and maintain parts of the order flow, like creation, reservation in stock, payment and processing. For after sales, creation of microservices for opening and monitoring protocols after a completed/canceled order, generation of vouchers and other articulations in stock and fiscal, collaborating with cross-functional teams.- Designing and implementing data storage solutions using MongoDB.- Conduct code reviews and provide constructive feedback.- Resolve complex bugs/issues. Main technologies:* Node.js, Nest.js* Apache Kafka, RabbitMQ* CQRS* MongoDB* Docker* Microservices* Vue.js* Languages: Typescript, Javascript, NoSQL* Testing: JestMain tools:* GitLab* Kibana* Microsoft Azure: Blob Storage, MongoDB Atlas* Atlassian: JIRA, Confluence

Meu Crediário operates as a financial services provider, delivering credit and financing solutions to both individuals and businesses across the country. The company plays a pivotal role in streamlining access to a diverse range of financial products and credit bureaus.Main responsibilities:- Develop, test and maintain a system for credit management for shopkeepers and chain stores. Working on the back-end with Node.js and PostgreSQL, designing APIs, creating documentation with Swagger. On the front-end, creation of components using Angular, improving styles and new pages. Further migration to React and Vue.js.- Development and maintenance of the main APIs for customer credit analysis, high-performance and risky operations, serving large networks. Integration with various services such as credit bureaus, credit cards, bank slip, SMS and invoices (NFS-e).- Development of ETL routines using Node.js and AWS DynamoDB.- Development of a wallet microservice using Nest.js and MongoDB, designing and implementing data storage solutions.- Management and teamwork with third parties for integrations and partnerships on the main API.- Training other team members, conducting code reviews and bug fixing.Main technologies:* Node.js, Nest.js* PostgreSQL, MongoDB, Redis* Sequelize ORM* Angular, React, Vue.js* BullMQ, RabbitMQ* Microservices* Docker* Languages: Typescript, Javascript, SQL, NoSQLMain tools:* GitLab* Metabase* Redmine* Kubernetes* AWS: s3, EC2, DynamoDB* GCP: Workloads, pub/sub, BigQuery* Trello* Slack

Main responsibilities:- Development of a document management system for accounting and labor obligations for companies (eSocial), using Node.js and Meteor.js framework, also MongoDB. Working on the front-end creating components and new pages.- Maintain an audit and storage system for millions of electronic fiscal documents (in XML).- Maintain a complete ERP with solutions for a variety of invoice modules (SPED, NF-e, CT-e and MD-e), using PHP and MySQL.Main technologies:* Node.js, Meteor.js* MongoDB* HTML, CSS, JQuery* Microservices* Redis* MySQL* GraphQL* Languages: Javascript, SQL, NoSQL, PHPMain tools:* Github* Atlassian: Bitbucket, JIRA, Hipchat* AWS: s3, EC2, Lambda.

Same as above.