Sebastian P.
Senior Full Stack Software Engineer
Open to offersNew to PlatformAbout
Sebastian P. is a seasoned Full Stack Software Engineer with over 11 years of experience in developing scalable web applications, RESTful APIs, and microservices across diverse domains such as fintech, healthcare, banking, payments, education, and automotive. With a robust background in TypeScript, Angular, React, Node.js, NestJS, Express.js, MongoDB, and PostgreSQL, he has consistently translated complex business requirements into reliable full-stack solutions that enhance performance and reduce manual workflows. At Bitly, he led the delivery of AI-powered analytics features, enhancing user engagement significantly. His role involved optimizing Node.js microservices and integrating complex data layers to support high-volume data processing. During his tenure at Accurx, Sebastian designed patient communication systems that improved operational efficiency and patient engagement. As an AI Platform Engineer, he has contributed to model evaluation tooling and provided infrastructure support for training pipelines. His academic foundation comes from a Master of Science in Computer Science from the National University of Colombia.
Experience
Senior Full Stack Software Engineer
Bitly · 2023 — 2026Delivered AI-powered link analytics features for a platform serving 500,000+ users, utilizing TypeScript dashboards, RESTful APIs, and analytics workflows. Optimized Node.js/NestJS microservices for link usage tracking and business intelligence reporting, incorporating Redis caching and asynchronous processing. Developed reusable UI components in Angular, React, and Next.js for analytics dashboards and admin workflows. Integrated MongoDB, PostgreSQL, and Redis data layers to enhance event ingestion and reporting. Designed AI/ML pipelines to analyze link usage patterns for actionable insights. Mentored junior engineers and upheld CI/CD checks using Docker and GitHub Actions.AI Platform Engineer
Remote · 2025 — PresentParticipated in the AI platform team to enhance deep learning model evaluation tooling and quality controls, designing evaluation scenarios to identify model regressions. Focused on detecting inference bottlenecks and refining ML experiment tracking through TensorBoard and Weights & Biases integrations. Created frontend interfaces for visualizing deep learning model performance metrics and documented failure modes. Supported infrastructure for GPU-accelerated training pipelines and contributed to the management of distributed training jobs and hyperparameter tuning dashboards.Senior Full Stack Software Engineer
Accurx · 2021 — 2023Engineered healthcare communication workflows linking patients and clinical teams to enhance message visibility and care coordination. Developed responsive TypeScript applications using Angular, React, and Next.js, optimizing user experience for clinicians. Implemented Node.js/NestJS RESTful APIs for predictive analytics and automated messaging. Integrated PostgreSQL, MongoDB, and Redis-backed services for handling patient communication and reporting. Delivered AI-directed features for notifications, while establishing code review standards and frontend performance practices.Full Stack Developer
Spyrosoft · 2017 — 2021Created and maintained full-stack applications across healthcare, finance, education, and automotive sectors, performing requirements analysis and implementing frontend and backend services. Developed responsive user interfaces utilizing TypeScript, Angular, React, HTML5, and CSS3. Implemented RESTful APIs and GraphQL services through Node.js, NestJS, and Express.js, while integrating databases such as MongoDB and PostgreSQL. Established reusable authentication and API integration patterns, contributing to microservices delivery through Docker and CI/CD practices. Enhanced application maintainability by documenting API contracts and refactoring legacy code.
Skills & Expertise
Education
- Master of Science in Computer ScienceNational University of Colombia · 2013 — 2017