Lester
Arteaga.
I'm Professional Freelance
I am a passionate senior full-stack developer with more than 8 years of experience in Node.js, TypeScript, React.js, and Next.js, specializing in building scalable and high-performance solutions. I have strong experience in cloud architecture with AWS (ECS, Fargate, EC2, Route 53, CodePipeline, Pinpoint). I have led teams as a Tech Lead, Project Manager, and Scrum Master, combining technical leadership with agile management and a strong focus on product quality.
About me
Creating innovative solutions. With experience in various programming languages and frameworks, I enjoy tackling challenging problems and continuously learning new technologies.
Full Name
Lester Arteaga
Degree
Software Engineer
Phone
+504 3171-9927
My work
I'm a senior full-stack developer and cloud architect with a passion for building scalable, clean and high-performance digital products. I enjoy creating simple, modern and efficient solutions that deliver real value to end users and businesses.
Alchemy Platform — Landing Page
Sr. Fullstack development • Next.js + NestJS • Multi-tenant architecture
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Technical Leadership — flowby platform
Leading dev team • architecture decisions • code quality strategy
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Technical Leadership — Kielsa Clinica
Leading dev team • architecture decisions • code quality strategy
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My resume
I am a passionate senior full-stack developer with more than 8 years of experience in Node.js, TypeScript, React.js, and Next.js, specializing in scalable and high-performance solutions. I have strong expertise in cloud architecture using AWS (ECS, Fargate, EC2, Route 53, CodePipeline, Pinpoint). I have led teams as a Tech Lead, Project Manager, and Scrum Master, combining technical leadership with agile management practices.
Experience.
Sr. Frontend Developer
2021 – 2022
Kushki Payments
I developed Kushki’s administrative dashboard, an online payment platform, using React.js and Next.js with a strong TDD approach. I contributed to the adoption of microfrontends using Single-SPA, implementing reusable components, server-side rendering, and unit testing to support a modular and scalable architecture.
Sr. Fullstack Developer - Technical Lead
2019 – 2025
Kielsa Group (E-commerce & Clinics)
I developed and led medical and e-commerce solutions for Honduras, El Salvador, Costa Rica, and Nicaragua using React.js and Node.js. I started as a Full Stack Developer and later transitioned into a Tech Lead role, guiding a team of three developers under agile methodologies. I coordinated delivery timelines, technical reviews, and coding best practices, while managing AWS EC2 deployments with a strong focus on performance, scalability, and availability.
High School Teacher (Technology Area)
2010-2020
Army Non-Commissioned Officers School (ESOE), Honduras
I taught courses in the area of Information and Communication Technologies, including programming, computer science, ICT, technical drawing, art, and algebra. This experience strengthened my teaching abilities, group leadership, and effective communication skills, while contributing to the technical and disciplinary development of my students.
Sr. Fullstack Developer - Technical Lead - Scrum Master
2022
Nextgo Solutions
I was part of Ficohsa’s Digital Factory team, developing microfrontends using Module Federation, React.js, and TypeScript for banking flows such as savings accounts, insurance, and credit cards. I implemented a dynamic Template Manager that enabled real-time loading of reusable components, and contributed to the creation of the company’s first internal NPM package. I also configured CSP, SendGrid, reCAPTCHA, Qualtrics, and analytics tools such as GTM and Hotjar, while applying TDD, SonarQube, Black Duck, and Azure DevOps Pipelines for CI/CD and quality assurance.
Sr. Fullstack Developer
2023-2024
Ficohsa Digital Factory
I provided technical and strategic leadership for two software projects at Serby, a company in the automotive sector in Venezuela. My role combined agile management and technical direction as a Sr. Full Stack Developer, Scrum Master, and Project Manager, ensuring high-quality and on-time deliveries. I led sprint planning and tracking, coordinated development and QA teams, and optimized communication between the client and technical departments to improve efficiency and overall project outcomes.
Sr. Fullstack Developer - Tech Lead - Scrum Master - Project Manager
2025
Elementos Solution
I perform an integral role that combines full-stack development, cloud architecture, and project management. I lead the design and implementation of multi-tenant architectures on AWS, including Route 53, ECS Fargate, ALB, S3, CodePipeline, and CodeBuild, ensuring secure and scalable environments. I have integrated communication solutions with Twilio and Amazon SES, and configured webhooks for interactive SMS assistants. Additionally, I manage a multidisciplinary team using agile methodologies, overseeing code quality, delivery timelines, and continuous improvement as both Scrum Master and Project Manager.
Education.
Master’s Degree in Artificial Intelligence and Machine Learning
2025 – Present
Barcelona Technology School
Specialized in AI and ML techniques, algorithms, and applications, including deep learning, natural language processing, and computer vision. Developed skills in Python programming, data analysis, and model deployment through hands-on projects and case studies.
Diploma in Higher Education
2025 – Present
National Pedagogical University Francisco Morazán (UPNFM) – Honduras
Focused on advanced pedagogical theories and practices, curriculum development, and educational leadership. Aimed at enhancing teaching skills and methodologies to improve student learning outcomes in various educational settings.
Bachelor's Degree in Computer Science
2013 – 2023
UNITEC (Universidad Tecnológica Centroamericana), Honduras
Comprehensive education in computer science fundamentals, including programming, data structures, algorithms, databases, and software engineering. Completed a final year project focused on developing a web application using modern technologies and best practices.
Skills.
Fullstack Skills
Technologies I use to build robust, scalable and modern applications.
React / Next.js95%
Node.js / NestJS90%
TypeScript90%
Microfrontends85%
Cloud & DevOps
Cloud technologies and automation tools I work with.
AWS (ECS, Fargate, S3, CloudFront)85%
CI/CD (CodePipeline, GitHub Actions)80%
Docker / Containers90%
Architecture & Multi-tenant Design95%
Professional Skills
Soft skills and communication abilities that strengthen my leadership.
English80%
Team Leadership95%
Scrum & Agile95%
Communication90%
Contact Detail.
Based in Tegucigalpa, Honduras, working remotely across LATAM, US and Europe.