Hire the best ETL Developers in El Salvador

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$35 hourly
Rodrigo P.
- 5.0/5
- (17 jobs)
With a background in Electrical Engineering, I specialize in economic feasibility analyses and energy scheduling, leveraging my expertise to optimize system performance and efficiency. Currently leading a dynamic team of electric studies engineers. I oversee comprehensive analyses of electrical systems, including power distribution, transmission, and generation. My proficiency extends to daily commercial and trading operations within both national and international energy markets across Central America and Spain. Employing advanced statistical analysis, machine learning, and artificial intelligence tools, I develop models for trend identification, pattern recognition, and reliability range determination, facilitating data-driven decision-making processes. In addition to my role in team leadership and strategic planning, I actively engage in negotiations and proposal development for Power Purchase Agreements, ensuring favorable outcomes for stakeholders. I specialize in conducting detailed analyses of power systems, encompassing load flow studies, short-circuit analysis, transient stability studies, and line design. Furthermore, I have spearheaded the development, implementation, and enhancement of dispatch models tailored for the Iberian electricity market. These models provide invaluable insights, projecting short, medium, and long-term spot prices to inform trading activities with unparalleled accuracy. With a commitment to excellence and innovation, I continuously refine methodologies in energy economics and scheduling, contributing to a sustainable and efficient energy future. My passion for driving impactful change in the energy sector motivates me to deliver optimal solutions that address the evolving needs of our industry.

ETL
Financial Analysis
Optimization Modeling
Power Distribution
Power Electronics
Power Systems Engineering
Power System
GAMS
Python
Electrical Engineering
Engineering & Architecture
Artificial Intelligence
$30 hourly
Cesar R.
- 0.0/5
- (0 jobs)
+9 years experience in Data Engineering, ETL and data analysis. Using on premise and cloud tools for this purpose. I've worked for transportation industry, retail and technology fields, creating data pipelines that integrate several sources such as: flat files, NoSQL databases, relational databases, etc. I studied Computer Engineering and have certifications for Data Engineering from Udacity, and coursera. I'm currently working for a global company as Senior Data Engineer.

ETL
SQL Server Integration Services
Data Curation
Microsoft Excel PowerPivot
Microsoft Power BI Development
Data Ingestion
Databricks Platform
Python
SQL
$16 hourly
Oswaldo J.
- 0.0/5
- (0 jobs)
Computer systems engineer, my job is to implement logically to solve problems during software development through analysis. I really enjoy learning, I am an autodidact, very communicative, resistant and proactive. I am constantly learning new skills, new technologies and new development techniques. With experiences: Back-end: Rest API with Node JS, End-points with C# .net core clean architecture (onion). Frontend: React JS, Angular 13, TypeScript, JavaScript, CSS/HTML. Databases: PL/SQL (ORACLE), T-SQL (SQL SERVER) RAD development: APEX Oracle, Javascript, PL/SQL, Azure Data Factory, Azure Logic Apps, Oracle Forms, Jasper Report. Knowledge in: PostgreSQL, Python.

ETL
Oracle Reports
Oracle Forms
Oracle PLSQL
Front-End Development
Azure DevOps
GitLab
Git
JavaScript
HTML
Angular
TypeScript
C#
.NET Framework
ASP.NET Web API
$15 hourly
Fabio V.
- 0.0/5
- (0 jobs)
I’m an ML & Automation Expert specializing in process automation, data analytics, and machine learning. If you’re looking to save time, reduce manual work, or gain powerful insights from your data, I can help. ✔ Automate workflows using UiPath, Power Automate, Make.com, and n8n ✔ Visualize and analyze data with Power BI, Tableau, and SQL ✔ Develop ML models for predictive insights and process optimization ✔ Enhance marketing analytics to improve decision-making I focus on delivering efficient, scalable, and impact-driven solutions. Let’s work together to turn your data and processes into a competitive advantage!

ETL
Data Mining
Marketing Analytics
Statistical Analysis
Tableau
Microsoft Power BI
n8n
Make.com
Microsoft Power Automate
UiPath
Data Analysis
Machine Learning
$10 hourly
William H.
- 0.0/5
- (0 jobs)
I am a data engineer with experience in creating ETL processes, task automation, database management, and database visualization for small and medium-sized businesses. Whether you are trying to figure out what to do with your data, eliminate repetitive manual processes in your daily activities, or view key business indicators for better decision-making, I can help. * Skilled in Python, SQL, and efficient workflow development. * Able to extract, transform, and process raw data from external public sources in HTML, CSV, PDF, EXCEL, WORD, TXT, and plain text formats. * Automation of repetitive manual task and processes. * Proficient in data visualization tools such as Grafana, Power BI, and Excel. * Regular communication is very important to me, so let’s stay in touch.

ETL
Microsoft Excel PowerPivot
Data Analysis
Task Automation
Technical Manual
Microsoft Power Automate Administration
Microsoft Power BI
Python
ETL Pipeline
Data Extraction
$8 hourly
Arturo A.
- 0.0/5
- (0 jobs)
I am a Data Analyst with experience in managing and analyzing large volumes of information to generate valuable insights that support strategic decision-making. I am proficient in tools such as SQL, Excel, and Power BI, enabling me to conduct complex analyses, build interactive dashboards, and automate reporting processes. My focus is on continuous improvement and process optimization, leveraging Scrum methodologies to work efficiently and adaptively on collaborative projects. I am committed to data quality and delivering accurate and timely results to drive organizational growth.

ETL
Data Mining
Workforce Management
Business Intelligence
Six Sigma
Scrum
Spanish
English
Microsoft SQL Server
Data Analysis
Microsoft Power BI Development
Microsoft Power BI Data Visualization
Power Query
Excel Formula
Microsoft Excel PowerPivot
$10 hourly
Andres D.
- 0.0/5
- (0 jobs)
Results-driven business professional with a strong background in data analysis, workforce management, and financial operations. I specialize in optimizing business processes, analyzing key performance metrics, and ensuring financial accuracy through data-driven decision-making. With experience in customer service, bank reconciliations and workforce planning, I help businesses improve efficiency, reduce costs, and enhance operational performance. Proficient in: • Power BI & Excel (Dashboards, reporting, data visualization) • Python (Data analysis, automation, process optimization) • SQL (Database queries, data extraction, reporting) • Workforce Management (Forecasting, scheduling, performance analysis) • Financial Reconciliation (Bank statements, expense tracking, error detection) Let’s collaborate to streamline your operations and drive smarter business decisions!

ETL
Microsoft Power BI
Microsoft Excel
Microsoft SQL Server
Python
Data Extraction
Analytical Presentation
Data Analysis
Information Analysis
ETL Pipeline
$20 hourly
Jonathan C.
- 0.0/5
- (0 jobs)
I'm a Mechatronic Engineer with over 20 years of experience in business intelligence, data analysis, and energy efficiency. I specialize in building interactive dashboards (Power BI, Looker Studio), developing predictive models using Python (machine learning), and creating responsive websites with HTML and CSS. My expertise includes: ✔️ Data visualization and KPI tracking ✔️ Forecasting energy demand and identifying technical and non-technical losses ✔️ Fraud detection using AI and anomaly detection models ✔️ Automation of reports and business processes ✔️ Responsive and modern HTML/CSS websites ✔️ Strong knowledge of Microsoft Office tools (Excel, PowerPoint, Word, Outlook) ✔️ Proficient in SQL for data extraction and manipulation ✔️ Experience working with Google Cloud Platform (GCP) I have led strategic forecasting projects in the energy industry, developed anomaly detection platforms, and collaborated with multidisciplinary teams to meet regulatory and operational goals. Let’s work together to turn your data into decisions — or build a clean and professional website to showcase your business.

ETL
Cloud Computing
Anomaly Detection
Forecasting
Business Intelligence
Machine Learning
Web Design
CSV
HTML
SQL
Microsoft Power BI
Data Mining
Analytical Presentation
Data Analysis
Data Extraction
$40 hourly
Eduardo S.
- 0.0/5
- (0 jobs)
Profile MBA and bachelor's degree in information and communication technologies, with experience in the development of digital products, commercial strategies, and business analytics, specializing in mobile applications and Data Analytics. Highly skilled in trend analysis, data insights, and customer behavior, as well as in data management and structuring for planning and executing commercial offers, new digital products, entertainment services, and business performance strategies.

ETL
Product Management
Scrum
Data Mining
Data Analysis
$20 hourly
Kelvin G.
- 0.0/5
- (0 jobs)
Hi! I'm passionate about Business Intelligence. I help turn complex data into clear and useful information, automate repetitive tasks, and create interactive dashboards to support smarter and faster decisions. My approach is practical and collaborative: I simplify processes, reduce errors, and give you full control of your data — with no stress or complications. How can I help you? ✅ Automating reports and tasks in Excel ✅ Data integration and cleaning with Power Query ✅ Clear and impactful dashboards in Power BI ✅ Efficient ETL processes aligned with your goals ✅ VBA development and basic Python for advanced tasks I work with a service mindset and a focus on continuous improvement. If you win, I win too. Got a challenge in mind? Let’s talk! I’d love to meet you and see how I can support your project.

ETL
Business Intelligence
Budget
Sales Analytics
Office 365
Visual Basic for Applications
Data Visualization
Microsoft Power BI
Microsoft Excel
Analytical Presentation
Data Extraction
Data Analysis
$20 hourly
Victor L.
- 0.0/5
- (0 jobs)
I’m a Business Intelligence Analyst with 6+ years of experience building dashboards, KPIs, and data automation solutions using Power BI, SQL Server, SSIS, and DAX. At Teleperformance, I supported regional operations by developing strategic dashboards and real-time reports for executives (VPs, COOs, and CEOs), covering metrics like attrition, shrinkage, system failures, and performance KPIs. I specialize in: - Custom dashboard creation in Power BI - SQL data extraction, cleaning, and transformation - Automating ETL workflows using SSIS and stored procedures - Designing KPIs for call centers and operational analytics - Improving data visibility and decision-making with clear reports If you're looking for a reliable freelancer to turn your data into actionable insights, I’m ready to help. Let’s work together!

ETL
Analytics Dashboard
Database Management
Data Cleaning
KPI Metric Development
Power Query
Data Visualization
SQL Server Integration Services
Microsoft SQL Server
Microsoft Power BI Development
Microsoft Power BI Data Visualization
Microsoft Power BI
Data Analysis
Analytical Presentation
Data Extraction
$14 hourly
Saul R.
- 0.0/5
- (0 jobs)
Hello!! I am a well qualified BI/ WFM professional with good team management skills and motivational approach. Writes, implements and manages effective WFM and BI policies and procedures. Optimizing productivity, efficiency and service quality across various Environments. Highly dependable, ethical and reliable support specialist and leader that blends advanced organizational, technical and business acumen. Works effectively with cross-functional teams in ensuring operational and service excellence.

ETL
ETL Pipeline
Data Extraction
Leadership Skills
People Management
Workforce Management
Analytical Presentation
$18 hourly
Antonio C.
- 0.0/5
- (0 jobs)
I'm a Business Engineer with more than 5 years of experience helping companies make smarter, data-driven decisions that directly impact their bottom line. I specialize in analyzing business performance, building financial models, and creating dashboards that drive action, not just insights. Whether it's optimizing pricing strategies, forecasting commercial results, or tracking KPIs that matter, I bring together analytical depth and business acumen. My approach is always grounded in real financial outcomes such as revenue growth, margin improvement, and ROI clarity. What I offer: • KPI Dashboards & Performance Tracking (Excel, Power BI) • Financial Modeling & Forecasting • Business Case Development & ROI Analysis • Pricing & Margin Optimization • Strategic Reports for Stakeholders & Executives • Cross-functional collaboration (finance, sales, ops, marketing) I’ve worked closely with commercial and finance teams in high-demand businesses, helping them align data with decision-making. If you need someone who can dive deep into the numbers and speak the language of impact, let’s work together.

ETL
Budget Planning
Forecasting
Data Visualization
Dashboard
Business Strategy
Business Cases
Financial Analysis
Financial Planning
Business Intelligence
Microsoft Power BI
Python
SQL
Data Analysis
$7 hourly
Claudio S.
- 0.0/5
- (0 jobs)
Hi, my name es Claudio I'm a native Spanish speaker and I speak English too I mean I can keep a conversation in English my work experience began many years ago as a salesperson in a hardware store. There, I began interacting with customers, conducting sales and occasionally solving problems related with the sales. I also have experience having people in charge, inventory management, and purchasing from suppliers. Now I am Systems Engineer, with experience in Data, Update of System, Database Administration, Develepment of processes ETL, Building Websites and Small System for small and medium businesses in my country. Knowledge of Wordpress, SQL language, Reporting Services, Integration Services, Microsoft Office, Power BI, I am a fast learning and can learn to use any new tools that would get the job done well for you and your customers. I am a good person and friendly, I like to know people, I like to talk and know new kind of mind, I am 45 years old, married with a wonderfull woman and we have a beatifull dougther. I like to work, the technology and create new things Really, I would like to help you.

ETL
Microsoft Office
Facebook Ads Manager
Microsoft Excel
Customer Support
Data Entry
Social Media Management
Microsoft SQL Server
System Administration
WordPress
Microsoft SQL Server Reporting Services
Database
$10 hourly
Gerardo B.
- 0.0/5
- (0 jobs)
Hi! I'm Gerry, a bilingual virtual assistant and aspiring data analyst currently pursuing a Bachelor’s degree in Physics at the University of El Salvador, with a strong interest in computational physics, data analysis, and automation. I bring over 1 years of experience in customer service and technical support, having worked for Cricket Wireless, a U.S.-based telecommunications company. I supported both English and Spanish-speaking clients, handled billing and device issues, and used CRM tools to manage and log customer interactions efficiently. As part of my academic and personal development, I’ve also worked on several technical projects involving: Python scripting for basic automation and data processing Data visualization and reporting using Google Sheets and Excel Task management using tools like Notion, Trello, and ChatGPT Computational methods used in physics and programming projects Basic knowledge of HTML/CSS for front-end development I’m passionate about solving problems, learning new technologies, and making systems more efficient. I aim to help businesses grow by offering reliable support, automation, and smart data handling — all while communicating clearly in both English and Spanish.

ETL
Data Extraction
Data Analysis
Technical Support
Phone Communication
Customer Service
$5 hourly
Brian A.
- 0.0/5
- (0 jobs)
I'm a Systems Engineer with strong expertise in Java development, SQL/PostgreSQL, and Power BI reporting. I have a deep passion for building robust backend systems, solving complex data challenges, and transforming business needs into scalable solutions. Java Development with Spring Boot, JSP, Java EE 8, and MVC architecture. Advanced PostgreSQL programming, including stored procedures for payroll and tax calculations. Power BI dashboards and advanced Excel automation using VBA and custom UDFs. ETL processes using SSIS, C#, and Cozyroc for data integration. Frontend development with HTML, CSS, LESS, JavaScript, Bootstrap 5, and SweetAlert. Backend APIs using PHP, Laravel 8, and JSON-based REST services. Version control and automation using Git, GitHub, Tortoise, PowerShell, and Windows batch scripting.

ETL
Problem Solving
Architecture
Database Management
PHP
Data Warehousing & ETL Software
Microsoft Excel
Microsoft Power BI
Java
SQL
PostgreSQL Programming
Database
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