# Leilton César Leilton César is a remote worker on Himalayas, Backend Developer at Supero Best Times. Best Solutions., based in Brazil. Source: https://himalayas.app/@leiltoncsar ```text I build scalable back-end systems and lead delivery across product, security, and engineering teams. ``` | Detail | Value | | --- | --- | | Availability | Open to opportunities | | Location | Brazil | | Authorized to work in | Brazil | | Salary expectations | 51k+ USD | | Job categories | Backend Engineer, Technical Lead, Full Stack Developer, Systems Analyst, Web Developer | | Skills | PHP, JavaScript, TypeScript, Python, Java, Visual Basic, AdvPL, Laravel, CakePHP, NodeJS, NestJS, ASP.NET, jQuery, React, React Native, Vue.Js, Composer, NPM, MySQL, PostgreSQL, NoSQL, MongoDB, DynamoDB, Elasticsearch, SQL Server 2012, Azure, Docker, Git, Jira, Gitlab, AWS Serverless, Kafka, Sockets, WebSockets, REST APIs, SQL, Scrum, Kanban, Test Driven Development, BDD, DDD, Pair Programming, Code Review, Clean Code, SOLID, Design Patterns, CI CD, Joomla, CSS, Bootstrap, Openfire, Windows 2000 2003 Server | | LinkedIn | https://linkedin.com/in/leiltoncesar | ## What I'm looking for ```text I'm looking to build high-performance back-end systems while partnering across product and engineering, translating business needs into robust solutions, mentoring developers, and helping teams deliver feasible, reliable outcomes. ``` ## About ```text I've built back-end systems for Sicoob at Supero, including internal banking platforms for NPS, governance, information security, sales campaigns, and accounting. I design scalable REST APIs and relational database schemas for secure transactional workflows and reporting. I also improve delivery reliability with Docker and Azure practices while mentoring junior developers and reviewing code. At Maitha Tech, I delivered features for Infracommerce Omni used by Tommy stores, spanning checkout, orders, inventory, and returns. I improved search, indexing, API reliability, and performance with Elasticsearch, query tuning, and schema improvements. I've also led healthcare delivery for Albert Einstein, built IoT platform features for Komeco, and developed ERP, event-platform, government, and institutional publication systems using PHP, Node.js, MySQL, NoSQL, and cloud services. ``` ## Experience ### Backend Developer (current) Supero Best Times. Best Solutions.. May 2023 - Present ```text Lead development of internal banking systems for client Sicoob, including NPS, governance portal, information security portal, product sales campaign system and accounting portal. Architected scalable REST APIs and optimized relational database schemas to support secure transactional workflows and reporting. ``` Skills: PHP, Laravel, NodeJS, React, MySQL, Azure, Docker, Git, Jira ### Backend Developer Maitha Tech. Oct 2022 - May 2023 ```text Maintained and delivered features for the Infracommerce Omni platform (B2B/B2C) used by Tommy stores, covering checkout, order processing, inventory and returns. Optimized search and indexing using Elasticsearch and improved API reliability and performance through query and schema tuning. ``` Skills: NodeJS, NestJS, Elasticsearch, Gitlab, MySQL, Docker, Jira ### FullStack Developer & Technical Leader Spread Tecnology. Feb 2022 - Oct 2022 ```text Technical lead for the Spread development team on the Albert Einstein healthcare project; architected and delivered a scheduling and productivity management system for hospital staff. Designed real-time features using WebSockets and Kafka; implemented serverless components and NoSQL storage for scalability. ``` Skills: NodeJS, TypeScript, React, AWS-Serverless, Azure, NoSQL, Kafka, WebSockets ### Fullstack Developer Supero - Best Times. Best Solutions.. Sep 2021 - Feb 2022 ```text Built full-stack features in Node.js and React Native for Komeco's IoT platform, enabling reliable device communication, telemetry collection and real-time control. Developed serverless components and NoSQL storage to improve scalability and device onboarding workflows. ``` Skills: NodeJS, TypeScript, React-Native, AWS-Serverless, NoSQL ### Systems Analyst Asa Branca Indl. Coml. e Importadora LTDA. Sep 2019 - Sep 2021 ```text Developed and enhanced ERP modules and internal systems to automate business processes. Implemented integrations with third-party services, maintained critical systems, and improved reporting and operational workflows to support business continuity. ``` Skills: AdvPL, PHP, NodeJS, MySQL, NoSQL, Python ### Backend Developer Doity Event Platform. Feb 2017 - Sep 2019 ```text Implemented platform backend features, maintained application availability, and resolved production incidents. Improved code quality and performance across the PHP codebase and participated in deployments and CI workflows. ``` Skills: PHP, Git, CakePHP, Laravel, MySQL, jQuery ### Backend Developer Federal Institute of Education, Science and Technology of Al. Mar 2016 - Jun 2017 ```text Backend developer for PRPI at IFAL; developed Communica, a submissions management system for institutional publications. Designed APIs and storage using Node.js, PHP and MongoDB/MySQL to manage article submissions and reviews. ``` Skills: NodeJS, PHP, jQuery, MongoDB, MySQL ### Web Developer Itec - Information Technology Institute of the State of Alag. Jun 2016 - Feb 2017 ```text Web developer building and customizing government websites using Joomla: developed templates and modules, ensured responsive design and accessibility, and coordinated with stakeholders to meet public-sector requirements. ``` Skills: Joomla, PHP, CSS, Bootstrap, jQuery, MySQL ### Computer Technician Macrogestão Consulting and Projects. Jul 2014 - Mar 2016 ```text Provided IT support (helpdesk, network and server maintenance), managed backups and cloud servers, and developed internal systems and the company website to improve operations and uptime. ``` Skills: PHP-(Laravel), JavaScript, jQuery, MySQL, Bootstrap, Windows-Server-2012, Openfire, Java ### Backend Developer Federal Savings Bank. Apr 2013 - Jun 2014 ```text Developed internal web systems and reporting tools to support operations and management reporting. Implemented integrations and UIs using PHP, VB, ASP.NET and Java; ensured data integrity and performance in MySQL. ``` Skills: PHP, jQuery, Bootstrap, MySQL, ASP.NET, Java ### Technical Trainee FUNASA - National Health Foundation. Feb 2010 - Aug 2011 ```text Computer Support and HelpDesk, Networks and Server Configuration Windows Server 2003. ``` ## Education ### Federal Institute of Alagoas - Campus Maceio Bachelor, Information Systems. 2013 - 2018 Activities and societies: Comunica - Research Project (2016/2017) ```text Bachelor in Information Systems. Participated in the Comunica research project in 2016/2017. ``` ### Federal Institute of Alagoas - Campus Maceio Middle School, Computer Technician. 2010 - 2014 Activities and societies: Futsal (team captain); Development Group (monitoring) ```text Middle School Computer Technician. Served as futsal team captain and participated in a development group. ``` ## Tech stack - GitLab - React Native - MySQL - PostgreSQL - MongoDB - Node.js - Laravel - NestJS - Bootstrap - Openfire - Jira - React - Vue.js - jQuery - JavaScript - Python - Java - PHP - ASP.NET - Visual Basic - Kafka - Elasticsearch - TypeScript - Git - Docker - SQL - npm - CakePHP - Composer - Joomla To contact Leilton, message them from this profile with a Himalayas employer account: [Hire on Himalayas](https://himalayas.app/hire). ## People also viewed - [José Ulchak](https://himalayas.app/@joseulchak): Full Stack developer, Dispatch Courrier - [Amanda Fernandes](https://himalayas.app/@amandafernandes): Software Engineer, Ka.app - [Ruan Pedro](https://himalayas.app/@ruanpedro): Systems Analyst, CI&T - [Eduardo Romão](https://himalayas.app/@eduardoromo): Principal Engineer, CAST GROUP - [Washington Bruno](https://himalayas.app/@washingtonbruno): Software Developer, CAGEPA - [Yasmin Guimarães](https://himalayas.app/@yasminguimares): Senior Software Engineer, Varsity Tutors - [Glauco Monteiro](https://himalayas.app/@glaucomonteiro): Full Stack Developer, Kacto - [Weslley Espirito Santo](https://himalayas.app/@weslleyespiritosanto): Senior Software Engineer / Backend Engineer (PHP/Golang), Mercado Livre Brasil - [Jean Michél Marca](https://himalayas.app/@jmmarca): Senior Software Engineer, Pontifícia Universidade Católica do Rio de Janeiro - [Breno Ferreira](https://himalayas.app/@brenoferreira): Full Stack Developer, Stefanini Consultoria e Assessoria em Informática S.A.