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Available for remote work

Lawrent Umaña

Full Stack Engineer

5+ years building scalable web applications and enterprise integrations. React · Python · Node.js · Docker · CI/CD

View my work → Let's connect

What I build with

// 01 · FRONTEND
User Interfaces
React.jsNext.jsTypeScriptAngularAstroJavaScript ES6+SassHTML5 / CSS3
// 02 · BACKEND
Server & APIs
Node.jsPythonDjangoFlaskNestJSC#REST APIsMicroservices
// 03 · DATABASES
Data Storage
PostgreSQLSQL ServerMongoDBOracle
// 04 · DEVOPS
Infrastructure & CI/CD
DockerLinux ServersGitLab CI/CDGitHub ActionsMuleSoftELK StackNew Relic
// 05 · PROCESS
Methodology
Agile / ScrumCode ReviewsRoot Cause AnalysisTechnical DocsRemote Teams

Professional Experience

H5 Industrial S.A. San José, Costa Rica September 2025 – Present
Software Engineer - Automation & Data
  • Developed automated Python pipelines for data extraction and transformation from Walmart's Retail Link system, improving data availability speed and accuracy for business operations.
  • Built end-to-end automation workflows integrating external datasets (Dichter & Neira) with internal sources, applying Scikit-Learn for processing and analysis of large data volumes.
  • Implemented and maintained executive Power BI dashboards connected to data pipelines, providing real-time visibility to senior stakeholders on sales and inventory performance.
  • Designed predictive models in Python for trend detection and anomaly identification in business data, translating technical findings into actionable recommendations for leadership.
Cap4 Lab S.A. San José, Costa Rica January 2025 – September 2025
Integration Engineer
  • Monitored and maintained enterprise MuleSoft integrations and downstream APIs using Anypoint Monitoring and New Relic, ensuring 99%+ uptime across critical business systems.
  • Conducted source code reviews of multiple MuleSoft APIs, identifying performance bottlenecks and implementing optimizations that improved throughput and reduced latency.
  • Built and managed complete CI/CD pipelines for MuleSoft applications covering Dev, QA, and Production environments using GitLab CI/CD, standardizing release processes and enforcing quality gates.
  • Administered and maintained on-premise servers, managing deployments, configurations, and infrastructure health across environments.
  • Conducted deep investigations using the ELK Stack (Elasticsearch, Logstash, Kibana) to trace and diagnose errors across APIs, providing data-driven solutions that improved system reliability and error resolution time.
  • Diagnosed production incidents and performed root cause analysis, reducing Mean Time to Resolution (MTTR) by 30%.
  • Coordinated cross-functional teams during critical incidents, acting as a technical bridge between development, operations, and business stakeholders.
  • Trained and onboarded new team members on company technologies, incident management procedures, major incident protocols, and operational workflows.
Future Technologies CR San José, Costa Rica February 2022 – February 2025
Full Stack Developer
  • Architected and developed a social platform for a public education circuit, supporting real-time interaction between 1,000+ users and external stakeholders.
  • Built scalable RESTful APIs using Django, Flask, and NestJS backed by PostgreSQL and MongoDB, handling concurrent user loads reliably.
  • Developed modern responsive frontends using React.js, TypeScript, JavaScript, and Astro following UI/UX best practices.
  • Designed, built, and implemented CI/CD pipelines from scratch using GitHub Actions and GitLab CI/CD with Docker containerization and orchestration, reducing deployment time and production bugs by 80%.
  • Managed Linux servers for application hosting, performing configuration, deployment, and maintenance across development and production environments.
  • Collaborated with UX/UI teams to optimize frontend performance and accessibility across devices.
  • Delivered training sessions to end users on developed applications, ensuring smooth adoption and effective day-to-day usage.
  • Mentored and onboarded incoming Junior, Semi-Senior, and Senior developers on company technologies, internal systems, and established development workflows.
Consultora Pasquí S.A. San José, Costa Rica December 2023 – September 2024
Application Technical Support / Junior Developer
  • Developed RPA solutions using React and C# that automated repetitive business workflows, significantly reducing manual effort across departments.
  • Designed and implemented SQL queries and stored procedures in SQL Server, optimizing database performance for internal applications.
  • Built multiple Python automation scripts for the accounting department, including automated scanning and parsing of multi-format financial documents (PDFs, Excel, images) and generation of standardized output files aligned to company reporting templates.
  • Integrated Microsoft Copilot AI capabilities to automate image reading and data extraction from invoices and scanned documents, eliminating manual data entry and reducing processing errors.
  • Built and maintained inventory management systems for enterprise asset tracking across multiple business units.
  • Provided technical support through Service Desk while simultaneously delivering application improvements and automation initiatives.
  • Trained and onboarded new colleagues on the technologies and tools used within the company, accelerating their integration into the team and workflows.
  • Delivered training sessions to end users on the applications and automation solutions built, ensuring effective adoption and reducing support requests.
Consultora Pasquí S.A. San José, Costa Rica October 2023 – December 2023
Web Development Intern
  • Designed and maintained inventory systems for server administration and operational control.
  • Developed responsive UIs following UI/UX best practices using React, TypeScript, and Sass.
  • Built and maintained RESTful APIs in C#, ensuring efficient frontend-backend communication.
  • Managed Oracle databases and optimized queries using Toad for Oracle.
La Catalina R.L. San José, Costa Rica September 2022
Web Development Intern
  • Developed an automated web scraping solution using Python and BeautifulSoup to extract and categorize structured data.
  • Created an automated workflow for organizing and distributing data files via email, improving team operational efficiency.

Get in touch

Open to remote Full Stack, Backend, and Frontend roles. If you have a project or opportunity that could be a great fit, I'd love to hear from you.

San José, Costa Rica · Available worldwide