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Juan Carlos Mordan Castillo

@juancarlosmordancast

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Software Engineer at Refidomsa developing organizational technology solutions with .NET, React, and clean coding.

Dominican Republic

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At Refidomsa, I contribute to developing and maintaining technology solutions aligned with organizational objectives, using .NET, React, and clean coding practices. Before that, I worked as a Software Engineer at Wepsys and MANTL.

Earlier, I developed business-critical web applications at Novosit SRL and led development teams at Neural Technologies Solutions and Wepsys SRL. I’ve worked across software architecture, code review, and Scrum, and hold Scrum certifications.

Experience

Work history, roles, and key accomplishments

Current

Software Engineer

Current

Refidomsa

Feb 2026 - Present (8 months)

Worked as Software Engineer at Refidomsa.

Software Engineer

Wepsys

Aug 2025 - Feb 2026 (6 months)

Worked as Software Engineer at Wepsys.

Software Engineer

MANTL

May 2022 - Aug 2025 (3 years 3 months)

Worked as Software Engineer at MANTL.

Fullstack Software Engineer

eendLabs

Aug 2019 - Apr 2022 (2 years 8 months)

Worked as Fullstack Software Engineer at eendLabs.

Software Engineering Team Lead

Neural Technologies Solutions

Jan 2019 - Sep 2019 (8 months)

Managed a cross-functional development team, driving projects from concept through delivery. Served as Scrum Master, coordinating sprints and facilitating communication between developers and stakeholders. Oversaw architecture decisions, planning meetings, and project updates with clients. Reviewed code, mentored junior developers, and implemented scalable best practices. Tech stack: C#, Angular,

Software Engineer

Novosit SRL

Jan 2015 - Jan 2019 (4 years)

Full-stack development of business-critical web applications across multiple industries. Led feature development, bug fixing, and unit test implementation. Improved performance and security through architectural enhancements and code audits. Tech stack: C#, Angular, React, SQL Server, Amazon EC2, CI, Scrum.

Project Lead

Wepsys SRL

Sep 2011 - Jan 2015 (3 years 4 months)

Lead development teams, defined project roadmaps, and liaised with clients on technical solutions. Delivered technical and economic proposals aligned with client requirements and budgets. Acted as Scrum Master, establishing an agile culture and iterative delivery process.