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Hi, I’m Israel Perez Masle, a backend-focused full-stack developer with 7+ years in IT (4+ years professional). I design and deliver scalable, production-ready applications for government, startups, and enterprise clients. My strength lies in building robust REST APIs, microservices, and cloud-native deployments with Docker, Kubernetes, and AWS. I enjoy collaborating with cross-functional teams to drive measurable improvements in performance, reliability, and user experience. I’m comfortable navigating the full development lifecycle, from architecture and code reviews to testing and documentation, and I’m always eager to learn new technologies and apply them to solve real-world problems.…Hi, I’m Israel Perez Masle, a backend-focused full-stack developer with 7+ years in IT (4+ years professional). I design and deliver scalable, production-ready applications for government, startups, and enterprise clients. My strength lies in building robust REST APIs, microservices, and cloud-native deployments with Docker, Kubernetes, and AWS. I enjoy collaborating with cross-functional teams to drive measurable improvements in performance, reliability, and user experience. I’m comfortable navigating the full development lifecycle, from architecture and code reviews to testing and documentation, and I’m always eager to learn new technologies and apply them to solve real-world problems.

Israel Perez Masle

Full Stack Developer, Back-End Developer, Web Developer, +2

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Hi, I’m Israel Perez Masle, a backend-focused full-stack developer with 7+ years in IT (4+ years professional). I design and deliver scalable, production-ready applications for government, startups, and enterprise clients. My strength lies in building robust REST APIs, microservices, and cloud-native deployments with Docker, Kubernetes, and AWS. I enjoy collaborating with cross-functional teams to drive measurable improvements in performance, reliability, and user experience. I’m comfortable navigating the full development lifecycle, from architecture and code reviews to testing and documentation, and I’m always eager to learn new technologies and apply them to solve real-world problems.…Hi, I’m Israel Perez Masle, a backend-focused full-stack developer with 7+ years in IT (4+ years professional). I design and deliver scalable, production-ready applications for government, startups, and enterprise clients. My strength lies in building robust REST APIs, microservices, and cloud-native deployments with Docker, Kubernetes, and AWS. I enjoy collaborating with cross-functional teams to drive measurable improvements in performance, reliability, and user experience. I’m comfortable navigating the full development lifecycle, from architecture and code reviews to testing and documentation, and I’m always eager to learn new technologies and apply them to solve real-world problems.

Available to hire

Hi, I’m Israel Perez Masle, a backend-focused full-stack developer with 7+ years in IT (4+ years professional). I design and deliver scalable, production-ready applications for government, startups, and enterprise clients. My strength lies in building robust REST APIs, microservices, and cloud-native deployments with Docker, Kubernetes, and AWS. I enjoy collaborating with cross-functional teams to drive measurable improvements in performance, reliability, and user experience.

I’m comfortable navigating the full development lifecycle, from architecture and code reviews to testing and documentation, and I’m always eager to learn new technologies and apply them to solve real-world problems.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Work Experience

Senior Software Engineer at Banco de Reservas de la República Dominicana (Banreservas)

October 1, 2025 - Present

Design and develop scalable enterprise banking applications supporting digital banking services for millions of customers across the national financial system. Build high-performance microservices using Quarkus and Spring Boot, focusing on low latency, reliability, and cloud-native architecture. Develop and maintain RESTful APIs for internal banking platforms, payment processing, and financial integrations. Deploy and manage applications on Microsoft Azure, implementing cloud-native solutions, CI/CD pipelines, and scalable infrastructure. Collaborate with security, infrastructure, and product teams to deliver secure financial systems compliant with banking regulations. Perform API testing and integration validation using Postman to ensure reliability across services and third-party integrations. Document system architecture, technical workflows, and development guidelines using Confluence to maintain clear technical knowledge sharing across teams. Optimize application performance and t

Mid -Senior Software Developer at Fulcrum

July 1, 2024 - October 1, 2025

Designed and optimized GIS-based software solutions using Python, React, and PostgreSQL, improving data processing speed by 20%. Containerized applications with Docker, reducing deployment time by 30%. Collaborated with cross-functional teams to deliver maintainable code and meet key business objectives.

Software Developer at Infostore Solutions Inc.

November 1, 2021 - July 1, 2023

Delivered secure, database-driven applications for government departments (Immigration, Electrical Systems, Medical Services). Optimized system performance, reducing query response times by 40%. Developed responsive, user-friendly UIs, increasing end-user satisfaction.

Freelance Software Developer

January 1, 2018 - January 1, 2021

Built custom POS systems and business solutions for SMB clients. Provided end-to-end consulting, improving business process efficiency and reducing manual workloads.