About me

Full-stack developer with 5+ years of experience building applications in fintech, edtech, real estate, and related fields. I work with modern tools like React, Next.js, Angular, TypeScript, Python, and Django to create reliable, user-friendly platforms. I enjoy solving practical problems through software that is clear, maintainable, and genuinely helpful.

I've contributed to guiding technical efforts, supporting teammates, and delivering products in Agile settings with a focus on quality and steady improvement. I aim to bring together creativity, technical discipline, and a people-first mindset to build solutions that are effective and sustainable.

Contact details

Sebastian Montes
Armenia - Quindío, Colombia
[email protected]

Experience

🧪 EPAM Systems

◆ Senior Frontend Software Engineer - Indigo ● Jul 2025 - Present

Client: Indigo Toolkit (open-source chemistry toolkit supported by EPAM) is a universal platform for chemical structure identification, substructure and similarity searches, as well as molecular visualization.

Built and evolved frontend interfaces for team management, permission governance, project overviews, and notebook visualization pages. Implemented role & access control editing flows and developed presentational components to streamline page assembly and improve consistency.

• Skills/Technologies used: Angular 17 · Angular Material · TypeScript · REST APIs · Git · Docker

◆ Senior Backend Software Engineer - Headspace ● May 2025 - Jun 2025

Client: Headspace is a US–UK mindfulness and mental wellness company delivering guided meditation and behavioral health content via a global freemium subscription platform.

Developed and maintained internal and customer-facing features within a microservices-based architecture using SDUI patterns. Built tooling and reusable components for dynamic UI rendering and improved development workflows.

• Skills/Technologies used: TypeScript · JavaScript · Jest · Playwright · CircleCI · Docker · Agile (Scrum)

🏛️ Qubika


◆ Full-Stack Software Engineer - Clasp ●Apr 2023 - Apr 2025

Client: Clasp is an edtech fintech platform helping students access and manage affordable education financing with income-based repayment and regulatory integrations.

Contributed to the development of loan application flows, federal repayment systems, and banking integrations. Implemented business flow optimizations reducing processing times by 35%. Built interactive dashboards and performed data migrations using Python scripting.

• Skills/Technologies used: JavaScript · React · Next.js · Material UI · TypeScript · Python · Django · PostgreSQL · Recoil · Docker · Google Cloud Platform · Datadog · Sentry · GitHub Actions

◆ Tech Leader & Full-Stack Software Engineer - Vooks ●Jun 2021 - Apr 2023

Client: Vooks is a children's streaming platform animating storybooks to foster literacy through a curated multilingual library.

Led the development and maintenance of the Vooks videocontent platform, improving subscription management, internationalization, audio recording and video playback. Mentored developers through code reviews and knowledge-sharing sessions while overseeing product delivery.

• Skills/Technologies used: JavaScript · React · Next.js · Stripe · Koa.js · React Native · PostgreSQL · Redis · Mux · ChakraUI · RevenueCat · Twilio · Sendgrid

◆ Full-Stack Software Engineer - HelifLite ●Aug 2022 - Apr 2023

Client: HeliFlite provides luxury helicopter charter services across the U.S. East Coast.

Developed and maintained a flight booking platform, enhancing workflow automation and improving user experience. Implemented secure payment processing using Stripe and designed email notification system for booking confirmations.

• Skills/Technologies used: JavaScript · React.js · Next.js · NestJS · NextAuth · TypeORM · TypeScript · PostgreSQL · Sendgrid · Stripe

◆ Frontend Engineer - Spring Oaks Capital ●Feb 2022 - May 2022

Client: Spring Oaks Capital specializes in data-driven consumer debt purchasing and collection.

Developed and optimized debt collection workflows for a financial platform. Implemented a custom A/B testing framework and integrated Mixpanel and Google Analytics to track user behavior and improve customer interactions.

• Skills/Technologies used: Git · GitHub · React · A/B Testing · Mixpanel · Google Analytics · ChakraUI

🏠 Kommit


◆ Full-Stack Software Engineer - Collabra ●Jan 2021 - Jun 2021

Client: Collabra is a real estate marketing platform for international luxury agencies, enabling branded property showcase and market analytics.

Developed customized software solutions for real estate agencies like Coldwell Banker Luxury, Engel & Völkers and Knight Frank. Contributed to a real estate showcase platform enhancing property search and multimedia content management. Designed and implemented a custom search engine using Solr.

• Skills/Technologies used: Git · GitLab · GitHub · Ruby · Ruby on Rails · Solr · HTML · CSS · SCSS · JavaScript · CoffeeScript · Webpack · HAML

🎯 University of Quindío


◆ Engineer of BPM Integration Projects ●Oct 2019 - Dec 2020

Client: University of Quindío Vice-rectory of Research (internal institutional stakeholder).

Developed and implemented Business Process Management (BPM) workflows for the Vice-rectory of Research at the University of Quindío. Supported the integration of these workflows with the institution's infrastructure, ensuring seamless deployment at the institutional level.

• Skills/Technologies used: Bonitasoft BPM · Java · Spring · Alfresco

💻 Campo Virtual


◆ Freelance Software Engineer ●Nov 2019 - Dec 2020

Client: Campo Virtual is a regional IT services and hardware business providing repair and managed solutions.

Designed and developed information systems for computational workshops, incorporating machine learning models for technical diagnostics. Worked on designing and developing systems for managing monthly payments and debt collection. Oversaw production deployments and system maintenance.

• Skills/Technologies used: Laravel · PHP · PHP-ML · MySQL · Heroku · Bootstrap

Education

University of Quindío, Armenia Quindío

Systems and Computing Engineering • Jan 2016 - Mar 2021

During my studies, I gained diverse mentoring experiences in programming, application design, and engineering. I worked on the development of information systems tailored to various business contexts, refining my problem-solving skills and strengthening my technical expertise.

Tech skills

I have extensive experience with modern web technologies and frameworks, specializing in full-stack development with a focus on creating scalable, maintainable applications across different domains including fintech, edtech, and real estate.

JavaScript TypeScript Python Java Ruby PHP Bash SQL React Next.js React Native Angular Material UI Chakra UI HTML5 CSS3 NestJS Django Node.js PostgreSQL Redis TypeORM Docker Google Cloud GitHub Actions Make Datadog Sentry Jest Git Jira

Soft skills

I am a highly collaborative team player who enjoys working in dynamic environments, consistently contributing to collective success through dedication, responsibility, and a strong commitment to quality. I take pride in paying close attention to detail and putting in the necessary effort to ensure that both the team and the product achieve their full potential.

I consider myself assertive yet approachable, fostering open communication and building strong relationships with colleagues and stakeholders. With a rapid learning ability, I adapt quickly to new challenges and evolving situations, always seeking innovative solutions and opportunities for growth. My focus is on collaboration and continuous improvement, ensuring that my daily actions and professional approach add value to the team and help achieve shared objectives.

Certifications

Google Cloud Certified Associate Engineer — View Certification

Michigan English Test (MET) C1 Certification — University of Michigan

Languages

I communicate effectively in multiple languages:

  • 🇪🇸 Spanish — Native
  • 🇺🇸 English — C1 (Michigan English Test - MET)
  • 🇫🇷 French — A2

Testimonials

  • Sebas demonstrates exceptional team spirit and constantly collaborates with teammates to deliver high-quality results. He actively shares expertise while achieving project goals and embraces challenges with a commitment to continuous learning.

    His work quality is consistently flawless, and he helps elevate the entire team's performance. Professionalism defines his daily approach—his dedication and thoughtful execution consistently produce excellent results.

    I consider him one of the most solid, reliable, and fast-learning developers I've worked with. It was a pleasure having Seba as a teammate.

    Nicolas Gerolami
    Team Leader, Moove-it

  • The BPM institutional architecture implementation has been transformational for our educational and research institution. It enables us to manage our complex challenges in an organized, systematic manner.

    We deeply appreciate Sebas and his team's extensive collaboration, technical expertise, and professionalism throughout this critical process. Their contribution made this institutional advancement possible.

    Jonathan Ramirez
    Research Projects Manager, University of Quindío

  • The IT solutions Sebas's team delivered transformed our business operations completely. We can now offer enhanced capabilities to our clients while maintaining superior control over our work environment.

    Business growth has been significant, and we have comprehensive oversight of client and employee interactions. Their technical solutions directly contributed to our operational success.

    Jhon Ramirez
    Entrepreneur, Aservi

Keep in touch.

If you want to get in touch please send an email to [email protected]. I will always be attentive to your requests.