Jhon K.
Full-stack Product Engineer

Skills

Node.js

Spring Boot

Sql

Github

Java

Python

Mongodb

Amazon Aws

Google Cloud

Docker Cloud

Angular

Jhon is available for hire

Meet Jhon K.

All Howdy Candidates are vetted for skills and english proficiency.

Bio

Software Developer with five years of experience in Java development, focusing on system architecture and DevOps. Demonstrates proficiency in Java, Spring Boot, Angular, REST API, AWS, and scalable development. Holds a degree in Systems Analysis and Development and a Pega System Architect certification, with a specialization in financial services. Contributed significantly to over four large-scale projects, achieving up to a 25% reduction in operational costs and notable improvements in system efficiency.

Senior Java Developer (4-month project)
11/1/2023 - 2/1/2024

Led the refactoring of the backend architecture, resulting in significant improvements in code quality and enhancing response times by 15%. These implementations accelerated the delivery of new features, reducing release times by 30% and optimizing the overall development workflow.
Software Engineer
2/1/2023 - 10/1/2023

Built and deployed Java Spring pipeline automations, which eliminated manual and repetitive tasks, leading to a 40% increase in operational efficiency and a 60% reduction in error rates. Supervised the development and performance of interns and junior programmers by implementing a mentoring and review system, resulting in improved delivery quality and a 40% reduction in changes required in pull requests on GitHub.
Full Stack Java Developer
8/1/2021 - 1/1/2023

Developed a flexible and user-configurable dashboard system using Angular, enabling customers to personalize information displays according to their preferences, resulting in a 53% reduction in support requests. Implemented an automatic extraction flow for proposals and commercial contract presentations within a sales management system using Java with Spring Boot, effectively saving 20 hours of weekly work for the sales team.
Full Stack Java Developer
2/2/2021 - 8/1/2021

Integrated financial services APIs with a serverless architecture, achieving a 15% reduction in operating costs due to the model's efficiency. Successfully developed a project demo within a two-week timeframe that fulfilled all client requirements, culminating in securing a contractual agreement between the companies.
Data Engineering Intern
3/2/2020 - 1/2/2021

Developed an automatic parameterization manager for digital marketing campaigns utilizing Node.js and Vue.js, resulting in a 10% productivity boost for marketing agencies. Engineered and integrated a data warehouse incorporating automatic data ingestion from multiple sources, leveraging social media APIs, Google BigQuery, and advanced SQL queries.
Junior IT Infrastructure Analyst
5/1/2019 - 12/2/2019

Developed performance report automation, significantly boosting team productivity and saving over 3 hours per week. Optimized query times for large databases, leading to reduced server costs.