Halan N.

Principal Engineer

Senior Full-stack Engineer
9/1/2023 - Present

Integrated the team as a FullStack Engineer, implementing new features in both new and legacy projects. Engaged in end-to-end development, covering operations, database management, back-end coding, and front-end development. Expertly managed continuous integration and deployment pipelines to ensure seamless updates and improvements. Proficiently utilized version control systems to maintain collaborative and efficient code updates. Provided ongoing support and on-call assistance to address and resolve technical issues promptly.

Digital Marketing Strategist
9/1/2022 - 7/1/2023

Demonstrated expertise in employing a range of digital marketing strategies to drive online sales of both digital and physical products. Achieved a balanced approach through the use of both paid and organic traffic generation techniques. Managed and optimized websites to enhance user experience and increase conversion rates. Produced high-quality content tailored to target audiences. Effectively utilized social media platforms to foster engagement and build brand presence.

Software Engineer
10/1/2019 - 9/1/2022

Focused on backend development and operations to enhance a product that manages map data, leading to faster conversion and updates. Utilized Jenkins, Azure Cloud, Shell, Git, Docker, Kubernetes, Helm, and Terraform for seamless operations. Backend development involved technologies such as Java 11, Python, Spring Boot, SQLite, and MongoDB. Adopted Scrum methodology for agile project management, with tools like Rally and Jira for tracking and collaboration within a self-driven team environment.

Java/Full Stack Developer
5/1/2019 - 9/1/2019

Developed and upgraded Java backend and AngularJs frontend applications for a national banking environment. Engaged in full stack development and played a key role in defining new project architectures. Assisted colleagues in resolving technical issues. Demonstrated technical expertise with Java 8, Spring Boot, Hibernate, SQL Server, and Oracle on the backend. Utilized AngularJs, Bower, and Express for frontend development. Employed agile methodologies such as Scrum and Kanban, and effectively managed tasks using JIRA.

Java/Full Stack Developer and Tech Lead
7/1/2015 - 1/1/2019

Played a key role in defining the project's architecture and served as the main Full Stack developer. Took on the responsibility of Technical Leader for the last eight months of the project, developing, defining tasks, and assisting the team with technical problems. Developed expertise in Big Data technologies including Cloudera, Java, Hive, Impala, HUE, Solr, Elasticsearch, and HDFS. Gained proficiency in mobile development using Ionic/Cordova and AngularJS. Built web applications utilizing Java, Spring 4/Spring Boot, Hibernate, JBoss/Wildfly, PostgreSQL, Angular, and React.js. Adhered to methodologies such as ITIL and Scrum, ensuring predictive analysis for tax evasion on product sales and enabling real-time auditing interventions.

Web/Mobile Systems Analyst/Developer
2/1/2015 - 6/1/2015

Held the role of a full stack developer, with responsibilities including implementing improvements and fixing bugs across main and side projects encompassing backend modules, frontend interfaces, and mobile applications. Developed technical expertise in backend technologies such as Java, Spring, and JBoss, while leveraging Solr for search functionalities and MapReduce for data processing. Utilized Oracle as the primary database management system and Hibernate for ORM. Enhanced frontend development skills using AngularJS, HTML, CSS, and Bootstrap frameworks. Advanced mobile development proficiency with Android NDK. Applied Agile methodology to ensure efficient project management and iterative progress.

Software Analyst/Developer
12/1/2013 - 2/1/2015

Developed and implemented a comprehensive system to assist call center supervisors in managing their teams of attendants, providing streamlined functionalities for feedback delivery and workload management. Served as a full stack developer, contributing to the introduction of new features. Leveraged Java and Spring for building robust backend systems, utilized Hibernate for ORM, and PostgreSQL for database management. Enhanced user interface and frontend functionality using AngularJS, HTML5, CSS3, and Bootstrap. Applied Scrum methodology for efficient project management and iterative development. Additionally, gained experience working in a collaborative team environment both remotely and onsite.

Java Developer
4/1/2011 - 11/1/2013

Developed expertise as a full stack developer, contributing to the sustenance and creation of new features and projects including intranets, user portals, and various side projects, in addition to one Business Intelligence (BI) initiative. Demonstrated technical competence working with Java, Spring, Hibernate, JSF, Struts, Weblogic, Websphere, JBoss, and Oracle PL/SQL. Utilized frontend technologies such as jQuery, HTML, and CSS. Gained experience with OpenText Vignette and Power Center for BI tasks. Managed tasks and project workflows using Jira, Mantis, and Redmine. Played a critical role as a Java Analyst/Developer, tasked with implementing new features and resolving bugs.

Java/Power Script Developer
1/1/2010 - 4/1/2011

Sustained projects utilized by the local government, involving the implementation of new features and bug fixes for Java routines. Developed expertise in Java using the jCompany Framework, Struts, and JavaServer Faces (JSF). Demonstrated proficiency in front-end technologies including HTML and CSS. Ensured robust database management with Sybase and facilitated seamless server-side deployments with Tomcat. Additionally, provided support and development using PowerBuilder, enhancing overall project efficiency and effectiveness.

Information Technology at Polytechnic Faculty of Uberlândia
2008 - 2011

Microsoft Certified: Azure Fundamentals at Microsoft
5/1/2020

TDD - Test Driven Development at UniCIT- Educação Corporativa
11/1/2015

OCJP6 at Oracle
2/1/2013