Javier Pacheco Amador

Javier Pacheco Amador

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Backend Developer
Atl谩ntico, Colombia
Contact Javier regarding:聽
work
Full-time jobs
Starting at USD3.5k/month
Flexible work
Starting at USD20/hour
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Jobs verified_user 0% verified
  • B
    Backend Developer
    BeMaster.lat
    Feb 2024 - Current (2 years 9 months)
    My role involves managing shipping integrations, designing high-performance APIs, and optimizing cloud infrastructure for scalability and cost efficiency.

    Key Achievements & Impact:

    - Led a full-scale database and production environment migration, cutting database costs by 60% through critical query optimizations, Aurora RDS, AWS Proxy, and automated Snapshots.

    - Built a zero-code-change monitoring system for critical services, leveraging AWS CloudWatch, Lambda, and Logs Insights, enabling full observability without modifying existing applications.

    - Optimized high-traffic API endpoints, improving response times by 80% using SQL tuning, efficient pagination, and Redis caching, handling hundreds of
  • L
    Backend Developer
    LAMAC GESTI脫N, CONSULTOR脥A Y ASESOR脥A SAS
    Jan 2023 - Current (3 years 10 months)
    During my time at this consulting firm, I actively contributed to multiple technological projects, leveraging technologies like Golang, GraphQL, SQL, AWS, and Docker. One notable project I worked on was part of the Harvard Innovation Labs, recognized for its significant impact in the field. I was involved in implementing clean and scalable architectures, heavily supported by microservices and cloud solutions using AWS. Additionally, I developed key aspects of the business logic, with a strong focus on ensuring security and optimizing performance.
  • Binance
    Merchant Of Criptocurrencies
    Binance
    Jan 2020 - Apr 2022 (2 years 4 months)
    As a Merchant on Binance P2P, I developed a deep understanding of cryptocurrencies, currencies, and business dynamics. I facilitated secure and efficient transactions between buyers and sellers, in addition to generating profits through arbitrage strategies and participating in NFT projects. I also specialized in high-risk investments and decentralized markets, mastering the use of payment processors and funding methods. I maintained constant updates on market trends and regulations.
Education verified_user 0% verified
  • Servicio Nacional de Aprendizaje (SENA)
    SPECIALIZATION IN ONLINE MARKETING AND BUSINESS MODELS
    Servicio Nacional de Aprendizaje (SENA)
    Jun 2020 - Dec 2020 (7 months)
  • Fundaci贸n Universitaria CEIPA
    BUSINESS ADMINISTRATION
    Fundaci贸n Universitaria CEIPA
    Jun 2019 - May 2023 (4 years)
  • Servicio Nacional de Aprendizaje (SENA)
    SYSTEMS TECHNOLOGIST, Computer and Information Sciences and Support Services
    Servicio Nacional de Aprendizaje (SENA)
    Jan 2015 - Feb 2017 (2 years 2 months)
  • Servicio Nacional de Aprendizaje (SENA)
    SYSTEMS TECHNICIAN
    Servicio Nacional de Aprendizaje (SENA)
    Jan 2014 - Feb 2015 (1 year 2 months)
Projects (professional or personal) verified_user 0% verified
  • E
    EnlaceLegal
    Aug 2025 - Current (1 year 3 months)
    A legal-tech platform that connects people with verified lawyers.
    Users submit their case through an AI-powered assistant, which matches them with up to three specialized lawyers. This ensures transparency, price comparison, and reliable legal support, while lawyers access qualified leads through a subscription model.
  • B
    MasterShop
    BeMaster.lat
    Mar 2024 - Current (2 years 8 months)
    MasterShop is a platform that simplifies online selling by connecting suppliers, importers, and manufacturers with individuals looking to sell third-party products. The platform automates inventory management, storage, and logistics, allowing users to focus solely on sales.

    In my role at MasterShop, I鈥檝e been involved in developing key integrations and impactful modules. I worked on integrating shipping carriers, generating reports, and connecting various AWS services such as SES, SNS, Lambda, RDS, EventBridge, API Gateway, EFS, DynamoDB, SQS, VPC, EC2, ECS, IAM, S3, CloudWatch, and Step Functions. I also developed AI-driven modules that have significantly enhanced the platform鈥檚 automation and efficiency. My work has contributed
  • L
    Eco Populi
    LAMAC GESTI脫N, CONSULTOR脥A Y ASESOR脥A SAS
    Jan 2023 - Feb 2024 (1 year 2 months)
    This project was developed to support small-scale producers and streamline public procurement processes, ensuring compliance with legislation that mandates 30% of public purchases to come from local small-scale producers.

    In my role, I focused on the backend, providing technical advisory and implementing the input reference pricing section. I used Golang with gqlgen to expose queries via GraphQL and designed a hexagonal architecture, opting for MongoDB to handle the large volume of records. My work was crucial in ensuring the application's efficiency and facilitating seamless interaction between suppliers and small-scale producers.
  • L
    Juntas de Acci贸n Comunal
    LAMAC Gesti贸n, Consultor铆a y Asesor铆a S.A.S.
    Jan 2023 - Feb 2024 (1 year 2 months)
    Led the development of a banking microservice, implementing PostgreSQL, Python, and GraphQL for a robust backend. I was responsible for designing and structuring the backend to ensure efficiency and reliability in handling banking operations.