I am looking for a collaborative environment that fosters innovation and growth. If possible using Go, but VERY open to change stacks, I enjoy learning new languages.
Jorge Salazar Castro
@jorgesalazarcastro
Results-driven Senior Software Engineer with expertise in backend development.
What I'm looking for
I am a results-driven Senior Software Engineer with over 6 years of experience specializing in backend development. My expertise lies in Go, NestJS/TypeScript, and Python, complemented by more than 11 years in the IT sector. I have a proven track record of architecting scalable microservices and optimizing system performance, which has significantly contributed to the success of various projects.
At Cencosud S.A., I led the BFF team, designing RESTful APIs that reduced frontend complexity by 20% and orchestrated a strategic migration from NestJS to Go, improving system performance by 35%. My role at Uber involved enhancing the Orders Checkout team’s features, which improved conversion rates by 7%. I am passionate about leveraging my backend expertise while exploring opportunities in frontend development, aiming to create seamless user experiences.
Experience
Work history, roles, and key accomplishments
Software Engineer V
Cencosud S.A.
Oct 2023 - Present (1 year 7 months)
As a Senior NestJS/Go developer, I architected scalable microservices for Cencopay’s payment platform, leading the BFF team to design RESTful APIs that reduced frontend complexity by 20%. I refactored 90% of the codebase, enabling expansion to new international markets and improved system performance by 35% through strategic migration from NestJS to Go.
Software Engineer II
Uber
Aug 2022 - Oct 2023 (1 year 2 months)
As a Backend Go Engineer for Uber Eats, I designed and implemented features for the Orders Checkout team, improving conversion rates by 7%. I optimized codebases, reduced response times by 10%, and participated in on-call rotations to resolve critical production issues.
Backend Engineer
Cornershop by Uber
Apr 2021 - Sep 2022 (1 year 5 months)
As a Python Developer, I created Django-based RESTful APIs for Cornershop’s grocery delivery platform, supporting over 200 transactions per second. I implemented a comprehensive testing strategy achieving 90% code coverage and optimized storage requirements for archived orders by 40%.
Python Developer / DBA
Tech-K
Jul 2019 - Mar 2021 (1 year 8 months)
In my role, I developed backend solutions using Django and managed AWS services. I coordinated Django migrations and performed database optimization for MySQL and Redshift, ensuring efficient data migration and performance tuning.
BI Analyst
Caja de Compensación Los Andes
Jul 2017 - Jul 2019 (2 years)
I developed and maintained ETL solutions using SAP tools and created an Enterprise Data Warehouse for affiliate information. My role involved constant monitoring of active jobs to ensure business continuity and support decision-making.
Business Intelligence Consultant
Henley
Aug 2016 - Jul 2017 (11 months)
I developed data marts for various clients, including Caja Los Andes and Universidad Clínica Los Andes, focusing on financial management and KPI reporting. My work involved integrating legacy systems and ensuring data accuracy.
IT Systems Engineer
STH
Feb 2016 - Jul 2016 (5 months)
As a Project Manager and DBA, I coordinated projects and maintained MySQL databases for external portals. I automated ETL processes to support auditing and developed complex queries for data management.
TIBCO Support Coordinator
Arcos Dorados S.A.
Jun 2014 - Oct 2015 (1 year 4 months)
I provided on-site support for TIBCO applications across South America, ensuring the smooth operation of integration processes. My role included monitoring and maintaining TIBCO platforms to resolve functional and design errors.
Education
Degrees, certifications, and relevant coursework
Universidad de Santiago de Chile
Bachelor of Engineering, Computer Science
2008 - 2014
Bachelor of Engineering in Computer Science, focusing on software development, algorithms, and system design. Engaged in various projects that enhanced practical skills in programming and engineering principles.
Saint Gaspar College
High School Diploma
1994 - 2006
Completed Elementary, Primary, Secondary, and High School education, providing a strong foundational knowledge in various subjects.
Tech stack
Software and tools used professionally
Amazon Redshift
AWS IAM
Amazon EC2
Amazon CloudWatch
Amazon S3
GitHub
Bitbucket
Phabricator
DB
MySQL
PostgreSQL
Microsoft SQL Server
SQLite
Gmail
Sentry
Django
NestJS
Jira
JavaScript
Python
HTML5
CSS 3
JSON
Go
Django REST framework
Amazon SNS
SQLAlchemy
Datadog
Amazon RDS for PostgreSQL
JSON API
1Password Secrets Automation
AWS Lambda
Amazon RDS
TypeScript
Git
Amazon Web Services (AWS)
1Password
Codeship
SQL
Availability
Location
Authorized to work in
Salary expectations
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