Oscar Darce

Software Developer and Computer Engineering student with 3+ years of professional experience developing software, enterprise systems, APIs, integrations, and automated business processes. Experienced across frontend, backend, databases, application deployment, testing, and production troubleshooting. Hands-on experience with React, TypeScript, JavaScript, Node.js, Python, Express, PostgreSQL, SQL, NetSuite, Git, AWS, and cloud technologies.

Currently expanding expertise in backend engineering, DevOps, system design, AI-powered applications, and intelligent automation.

Software Developer / IT Specialist - ROCCA DEVELOPMENT GROUP - Costa Rica

(2022)

• Develop and maintain web applications, backend services, APIs, and internal software solutions supporting business operations.
• Build software using JavaScript, TypeScript, React, Node.js, Python, Express, PostgreSQL, and SQL.
• Develop and maintain NetSuite customizations, scripts, workflows, integrations, and business process automations.
• Analyze business requirements and translate operational processes into technical solutions involving applications, databases, integrations, and automation.
• Design and maintain database queries, data flows, system integrations, and API-based communication between business applications.
• Participate in application deployment, testing, debugging, production troubleshooting, and ongoing maintenance.
• Automate repetitive business processes to reduce manual work and improve consistency across operational workflows.
• Investigate production issues across applications, databases, integrations, and infrastructure, identifying root causes and implementing solutions.
• Collaborate with business and technical teams using Agile/Scrum practices to define requirements and deliver software solutions.

Co-Founder & Software Developer - INITIUM CR - Costa Rica

(2025)

• Co-founded and developed a digital platform for event management and registration, contributing to both product and technical decisions.
• Developed the frontend using React and Vite and backend services and REST APIs using Node.js and Express.js.
• Designed and managed the application data layer using Supabase and PostgreSQL.
• Integrated external services including Upstash Redis for caching and Resend for transactional email and automated communications.
• Worked across the software development lifecycle, from requirements and architecture through implementation, testing, deployment, troubleshooting, and maintenance.
• Managed production environments and resolved issues across frontend, backend, database, and third-party integrations.
• Used Git-based development workflows and iterative delivery practices to maintain and evolve the platform.

Bachelor's Degree - Computer Engineering - UNIVERSIDAD ESTATAL A DISTANCIA (UNED)

Diploma - Computer Science / Diplomado en Informática - Lyfter (2026)

Software Development Program - Lyfter