Sebastián Toro
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Sebastián Toro

Sebastián Toro  new_releases

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Senior Software Developer
Cali, Valle del Cauca, Colombia

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Jobs verified_user 28% verified
  • Hello Build
    Expert Python/DevOps Developer verified_user Verified experience public Remote experience
    Hello Build
    Jul 2024 - Current (11 months)
    As a Senior Expert Python Developer specializing in backend development, I possess valuable skills in Django, the framework that was primarily used in my most recent project—the deployment of a financial application, demonstrating my strong backend capabilities. I utilized Git as our versioning system and constructed CI/CD pipelines with AWS and Azure services, which enhanced our collaboration as a team, reduced the time to deliver projects, and raised the quality of code produced, enabling us to quickly provide updates across the full stack. Additionally, I applied Celery to architect an asynchronous task processing system for financial transaction reconciliation (backend focus), which reduced batch processing times by 40% through optimize
  • Carvajal Tecnología y Sevicios
    Expert Java/Python Developer public Remote experience
    Carvajal Tecnología y Sevicios
    Jun 2023 - Jul 2024 (1 year 2 months)
    I was an accomplished developer at Carvajal S.A.S, boasting extensive expertise in Java as my primary programming language for backend development, alongside familiarity with Python and frameworks like Django for building robust backend systems. My proficiency extends to cloud platforms, where I have harnessed the power of AWS and Azure to drive innovation in both backend and full-stack solutions, potentially leveraging Django for Python-based backend components. Additionally, I excel in database management, with a strong command of SQL and MongoDB, crucial for building robust backend systems, whether in Java or Python/Django. My experience at Carvajal S.A.S has allowed me to deliver cutting-edge solutions by leveraging these technologies t
  • Teleperformance Spain
    Senior Full-Stack Developer & DevOps Engineer public Remote experience
    Teleperformance Spain
    Jan 2022 - Apr 2023 (1 year 4 months)
    Developed multiple backend modules for various REST-API applications, ensuring robust functionality and performance, contributing to solid full-stack solutions. Optimized PL/SQL queries to enhance database efficiency and application responsiveness, a critical aspect of backend performance for any application, including those with ReactJs/React Native frontends. Leveraged DevOps skills by utilizing Docker, Kubernetes (k9s), and CI/CD pipelines in Bitbucket for seamless backend microservices deployment, while managing cloud resources (AWS/Azure) to ensure scalable API solutions that power both web and mobile frontends in a full-stack context. Led the end-to-end development of RESTful APIs using NestJS, Express, and Flask (backend), applying a
  • Grupo SSI
    Mid-Senior Full-Stack Developer
    Grupo SSI
    Jul 2021 - Jan 2022 (7 months)
    As a Mid-Senior Python Full-Stack Developer at Grupo SSI, I spearheaded healthcare technology solutions, leveraging Python with Flask for robust backend RESTful API development and PostgreSQL for optimized data management. My contributions spanned the full stack, encompassing both the server-side logic and the user interface. I optimized PL/SQL queries to enhance database performance and efficiency, a crucial aspect of ensuring responsive backend systems that support seamless user experiences on the frontend. I developed multiple modules for a REST-API using Python (backend), ensuring robust functionality and integration with various components of the healthcare platform. Furthermore, I integrated PL/SQL queries with Azure services, facilit
  • Q
    Python & DevOps Developer
    QualitaCorp SAS
    Feb 2021 - Mar 2021 (2 months)
    As a developer at Qualita Corp SAS, I contributed across the full stack, developing and implementing automated web scraping processes using Python to efficiently gather data from various online sources, a crucial step in building data-driven applications. Serving primarily as a backend developer, I ensured robust server-side logic and database administration for optimal application performance, laying the groundwork for efficient frontend interactions. I also contributed to DevOps initiatives by creating Python scripts that streamlined data pipeline deployments and testing workflows, enhancing overall efficiency across the full stack. I assisted in integrating tools for Git-based version control and established basic CI/CD practices for web
  • Banco de Occidente
    Full-Stack Developer & DevOps Technician
    Banco de Occidente
    Dec 2020 - Jun 2021 (7 months)
    As an early-career professional, I've gained valuable experience across the full stack and data analysis. I developed a functional website for financial risk analysis, enhancing user experience and accessibility to critical data by contributing to both the frontend and backend. I executed database queries to streamline the information extraction process (backend), improving efficiency and accuracy for frontend presentation and analytical use. Furthermore, I instructed analysts on the effective use of the website (frontend and backend functionalities), ensuring they could leverage its features for optimal results in their financial risk assessments. While serving as a Junior Analyst, I actively contributed to data mining efforts (backend foc
  • Pontificia Universidad Javeriana
    Research Student and Freelancer
    Pontificia Universidad Javeriana
    Dec 2020 - Dec 2021 (1 year 1 month)
    During my training as a systems and computing engineer, I consistently applied practices that respect agile methodologies in the digital project lifecycle, enhancing the overall efficiency and effectiveness of project delivery across the full stack, often leveraging technologies like React for the frontend and Python for the backend, deployed on AWS. I developed a predictive model (Python backend on AWS) that accurately estimates the probability of passing a course, utilizing advanced statistical techniques and data analysis. To support this model, I constructed both relational and non-relational databases (AWS-based) to ensure data integrity and accessibility for all components of a potential full-stack application that might utilize this
  • O
    Full-Stack Freelancer developer public Remote experience
    Outlier AI
    Nov 2020 - Current (4 years 7 months)
    As an independent expert full-stack developer, I specialize in designing and deploying scalable cloud-native infrastructures for clients in fintech, healthcare, and telecommunications. My work encompasses end-to-end development, from backend API design to cloud optimization, with a focus on high-performance systems. Key Responsibilities & Achievements: - Backend Engineering: Developed expert-level solutions using Python (Django, Flask, FastAPI) and TypeScript (NestJS, Express), building secure RESTful APIs and microservices for financial platforms (e.g., HelloBuild) and healthcare systems (e.g., SSI). - Cloud & DevOps: Architected AWS/Azure-based infrastructures, containerized applications with Docker/Kubernetes, and automated CI/CD pip
  • Q
    Full Stack Developer verified_user Verified experience
    QualitaCorp SAS
    Aug 2020 - Nov 2020 (4 months)
    As a Full Stack Developer, I developed a functional module for a financial risk analysis website, leveraging both frontend and backend technologies to enhance user experience and data accessibility. I contributed to DevOps practices by automating deployments for web modules through CI/CD pipelines, utilizing Git version control and scripting to enhance efficiency across the full stack. I also assisted in the migration of legacy systems to cloud-based architectures, facilitating improved scalability and performance for our applications. Furthermore, I integrated Salesforce development into a client management system to streamline enterprise workflows, utilizing Salesforce’s Apex programming language and Lightning Web Components (LWC) to desi
  • Q
    Python & DevOps Engineer public Remote experience
    QualitaCorp SAS
    Jul 2020 - Aug 2020 (2 months)
    As a Python Backend Developer specializing in data mining techniques, I developed functional automated processes for information extraction from websites, ensuring efficient data storage for future use (backend focus supporting potential full-stack applications). I contributed to projects with a CI/CD nature for the DevOps deployment of code, collaborating with team members on various functionalities while utilizing tools such as Git, Bitbucket, and GitHub to streamline the development process across the full stack, following Scrum methodologies for project management. My expertise in Python allowed me to build robust backend solutions for data retrieval and processing, which are essential for creating effective full-stack applications with
  • Pontificia Universidad Javeriana
    Research Engineer & Technology Consultant verified_user Verified experience
    Pontificia Universidad Javeriana
    Aug 2018 - Nov 2020 (2 years 4 months)
    As a multidisciplinary technology researcher and consultant, I bridge cutting-edge academic research with practical software engineering solutions, bringing a strong emphasis on DevOps for seamless deployment and Scrum for agile project management across the full stack. My versatility allows me to adapt to diverse technological challenges, leveraging my deep understanding of Tecnología de la Información to deliver innovative systems for clients across industries. Key Responsibilities & Achievements: Research-Driven Full-Stack Development: I applied natural language processing (NLP) techniques to build intelligent systems, ensuring a seamless integration between the backend processing (using Python with Flask, FastAPI, and Django for robus
Education verified_user 34% verified
  • Pontificia Universidad Javeriana
    Computer Science and Systems Engineering verified_user Verified experience
    Pontificia Universidad Javeriana
    Jul 2016 - Jun 2021 (5 years)
  • Colegio Berchmans
    Educacion Media
    Colegio Berchmans
    Aug 2010 - Jun 2016 (5 years 11 months)
  • Studio UVA3
    Python 3.6. data mining
    Studio UVA3
Projects verified_user 0% verified
  • A
    Api-Rest With Microservices public Remote experience
    Dec 2022 - Jan 2023 (2 months)
    - Full development of the project - Full deployment Development of a Restful API using Python with Flask along with multiple microservices mounted on Docker containers making use of Kubernetes, K9s, Git, SQL, and MongoDB for the database. The project itself was a simple video to mp3 converter where 3 services communicated while listening to a message queue managed by RabbitMQ. The 3 services were a JWT authentication, a notification service, and the conversion service.
  • N
    NestJs API-REST with Typeorm public Remote experience
    Nov 2022 - Jan 2023 (3 months)
    - Full development of the project, focusing on creating a robust NestJs API-REST service with Typeorm. - Conducted thorough investigation of Typeorm to optimize data handling and relationships. - Ensured optimal retrieval of related entities to enhance performance and efficiency. - Integrated API design principles, which are inherently related to API gateways, to ensure a seamless interaction between the client and server. - Utilized Microsoft SQL Server to store test data locally during development, facilitating effective testing and validation of the API. - Developed a simple user interface using Angular to test and interact with the API endpoints, ensuring a user-friendly experience during the development process.
  • A
    Api-Rest With Middleware public Remote experience
    Dec 2021 - Jan 2022 (2 months)
    - Full development of the project, ensuring a comprehensive approach to backend deployment and API functionality. - Developed a small project requested by Teleperformance during the application process, which involved implementing basic API-rest functionalities using NestJs. - My experience in developing "Api-Rest With Middleware" was inherently connected to the principles and potential of React.js, as I consistently considered how data is structured, transferred, and consumed by frontend applications. - In designing these APIs, I focused on the needs and performance implications for the user interface, structuring data to be easily digestible by dynamic frontend frameworks like React.js, understanding state management requirements, and
  • W
    Web Development as Freelancer
    Jun 2021 - Jul 2021 (2 months)
    - Full development of the project, ensuring a comprehensive approach to both frontend and backend functionalities. - Full deployment of the project, utilizing NodeJS, TypeScript, Angular, and a SQL database to create an administrative site for users within a social network, featuring essential functionalities such as Create, Update, Delete, and Select. - Engaged in proactive exploration of mobile development through React Native, driven by client needs for responsive designs and mobile accessibility. This experience allowed me to understand its architecture, experiment with its component library, and prototype basic mobile interfaces, thereby enhancing my full-stack development capabilities and preparing for potential project expansions i
  • Banco de Occidente
    Administrative financial Website
    Banco de Occidente
    Feb 2021 - Jun 2021 (5 months)
    - Functional module of an administrative website for financial risks - Full Stack Development
  • Q
    Financial Administrative website
    QualitaCorp SAS
    Aug 2020 - Nov 2020 (4 months)
    - Functional Module for an administrative financial website - Full Stack Developer
  • Q
    Data Mining
    QualitaCorp SAS
    Jul 2020 - Aug 2020 (2 months)
    - Automated script to extract information from a website - Python Developer
  • Pontificia Universidad Javeriana
    Mobile-app Development
    Pontificia Universidad Javeriana
    Feb 2020 - Jun 2020 (5 months)
    - Developed a mobile application to facilitate restaurant reservations, enhancing user experience and operational efficiency. - Designed and implemented the frontend of the app using Xamarin, ensuring a seamless and intuitive interface for users. - Leveraged Python for backend support by creating auxiliary scripts for data processing and API testing, which significantly enhanced the mobile app’s functionality. - Utilized Python libraries, such as Pandas, to analyze user behavior data during the app prototyping phase, informing design decisions and improving overall app performance.
  • Pontificia Universidad Javeriana
    Web Services
    Pontificia Universidad Javeriana
    Jan 2020 - Jul 2020 (7 months)
    - Developed complete modules for a simple RESTFUL page using web services mounted on AWS as part of a research project. - Served as a Fullstack Developer, creating a RESTFUL page with services on AWS to test the scalability of a web application using Node.js and Angular. This included implementing a SQL database, a JWT authentication method, and a notification service managed by RabbitMQ to handle all system requests. - Utilized Python for API development, building RESTful services with Flask/Django to support university systems, which directly aligns with backend development skills. - Wrote Python scripts for data integration, processing, and migrating data between web platforms, showcasing foundational skills that were further develope
  • Pontificia Universidad Javeriana
    Large-Scale Software Development
    Pontificia Universidad Javeriana
    Jul 2019 - Nov 2019 (5 months)
    - Developed a complete reservation website for various restaurants, focusing on robust infrastructure and efficient REST/API services. - Leveraged Python's versatility to architect a distributed reservation system capable of handling high concurrent user loads, utilizing Flask for RESTful API development and Docker for containerized deployment. - Collaborated with four cross-functional teams to integrate diverse framework modules (e.g., React, Angular) into a unified Python backend, designing a load-balancing algorithm in Python to optimize request distribution across microservices, which reduced latency by 35% during peak traffic. - Implemented Python-driven automated testing pipelines to ensure seamless interoperability between subsyst
  • Pontificia Universidad Javeriana
    Analysis and Design of Algorithms
    Pontificia Universidad Javeriana
    Jul 2019 - Nov 2019 (5 months)
    - Optimal Python algorithm that solved up to 1000000 worst cases - Python developer
  • Pontificia Universidad Javeriana
    Communication Networks
    Pontificia Universidad Javeriana
    Mar 2019 - May 2019 (3 months)
    - Full functional videogame using sockets. Up to 4 players - Backend of videogame - Design of videogame
Awards verified_user 0% verified
  • A
    Azure DataFactory Crash Course
    Sep 2021 - Dec 2021 (4 months)
  • S
    Systems and Computer Science Engineer
Publications verified_user 0% verified
  • Pontificia Universidad Javeriana
    System that Helps in Choosing a University Career at Pontifical Xaverian University for Potential Students
    Pontificia Universidad Javeriana
    Jul 2020 - Dec 2021 (1 year 6 months)
    - Development and deployment of a predictive model as undergraduate Thesis Undergraduate Thesis