Cristhian Rondon Go Backend Developer

Go Backend Developer

Cloud(x)

Apr 2026 - Current (5 months)

Worked remotely as the sole owner of mercantil-mapper, a Go service built for a banking client to replace IBM Watson Assistant with a new conversational AI provider, with zero changes to the legacy chatbot or its frontend. Owned the project end-to-end from day zero: led requirements gathering, client and stakeholder meetings, and access provisioning before writing a single line of code, then drove the service through design, delivery, and production rollout. Key responsibilities & technical work: Translation Layer: Designed and built a stateless REST service (Watson V2 to new provider API) that preserved a strict 1:1 contract so the legacy banking frontend kept working untouched. Conversational AI Integration: Replaced IBM Watson Assista

Go Backend Developer · Customer Data Platform (CDP) (Short-term contract)

Yalo

Dec 2025 - Mar 2026 (4 months)

Go Backend Developer collaborating within the Customer Data Platform (CDP) team, focused on building backend services that process, unify, and expose millions of customer data points and events at scale. Responsibilities and technical focus: Development of microservices in Go (Golang) designed for high-throughput, large-scale data processing. Design and implementation of REST and gRPC APIs for customer data ingestion, normalization, and exposure. Building backend pipelines for event ingestion, data enrichment, and identity resolution, processing millions of records and events. Integration with messaging and streaming systems such as Kafka / PubSub. Working with graph databases, including ArangoDB, and Redis for caching and fast data a

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Platform Backend Developer – Node.js & Go

Slingr low code

Jan 2023 - Dec 2025 (3 years)

Part of the Platform team, responsible for building and maintaining synchronous and asynchronous services used across the company. These services were deployed in AWS using EKS clusters and managed via CI/CD pipelines. Key responsibilities & projects: Admin Server: Managed user authentication, federated identity (OIDC via Okta/Azure), organizational resource creation, and applied models such as OLP, RBAC, ACL, and Permission Sets. Utilized Elasticsearch for fast search capabilities and NSQ to publish events triggering background processes across services. GraphQL Server: Core API used by many teams. Handled high volumes of requests and used Redis, PostgreSQL, and Elasticsearch strategically for storage and querying. Published NSQ events

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Go Backend Developer

Slingr low code

Jun 2022 - Jan 2023 (8 months)

Worked remotely for Veritone, a U.S.-based company in the artificial intelligence industry. Project: Focused on migrating an internal service from Node.js to Go as part of a new development stream. The service (trigger-service) handled event-based messaging and routing. Key responsibilities: Rewrote the trigger-service using Golang, handling event-topic mappings and implementing asynchronous flows. Designed and implemented asynchronous messaging flows using NSQ, leveraging its fan-out model with topics and channels to decouple and scale processing. Used Protocol Buffers to parse structured message payloads and reduce overhead. Cached topic-event mappings in Redis to avoid excessive DB calls and ensure high performance. Used PostgreSQ

Backend Developer

Amaris Consulting

Mar 2022 - Jun 2022 (4 months)

Worked remotely with Falabella, the largest and most valuable retail company in Latin America, with operations in Chile, Peru, and Colombia. Project: Development of a financial product that allows users of Falabella Pay Colombia to request and manage credit in installments. Key responsibilities: Due to the small team size, I took on the role of principal backend developer, leading both the analysis and implementation stages. I evaluated technical requirements, estimated timelines, and identified potential blockers. For each new feature, I conducted high-level technical discussions, produced detailed design proposals, and was responsible for hands-on implementation applying clean code and good development practices. Designed and implement

Backend Developer

Mercado Libre

Jul 2021 - Mar 2022 (9 months)

- Go and Gin Web Framework - Goroutines and channels - Pruebas unitarias en go con Testify

Backend Developer

Ualá

Nov 2020 - Jul 2021 (9 months)

- Desarrollo de microservicios con GO y Java8 en AWS (Lamda, Apigateway, CloudWatch, SQS, SNS, Dynamo). Pruebas unitarias en go con Testify - Pruebas unitarias en java con PowerMock. Pruebas de integración con Python3, boto3 y pytest. Infraestructura como código con Terraform y Terragrunt

QC Automation

Ualá

Jul 2019 - Nov 2020 (1 year 5 months)

- Backend Automation con python3, pytest, boto3 y AWS. Mobile Automation con java y appium

QUALITY ANALYST EN PRISMA MEDIOS DE PAGO

CDA Informática

Mar 2019 - Jul 2019 (5 months)

- Miembro del area de certificacion de ATM para diferentes entidades financieras. - Responsabilidad en el seguimiento de reportes y generación de informes a traves de HP Quality Center. Manejo de Base 24,

Desarrollador web junior full stack

freelance

Jan 2019 - Jul 2019 (7 months)

Quality Analyst en santander tecnologia

CDA Informática

Oct 2018 - Feb 2019 (5 months)

- Responsable del area de homologacion para el procesamiento de solicitudes de alta de supercuenta para PyMEs en la plataforma TUBY de la entidad Santander Rio a traves de pruebas de caja negra. - Responsabilidad en el seguimiento de reportes y generación de informes a traves de Team Foundation Server (TFS) - Uso del lenguaje de consulta estructurada SQL, TOAD, Windscp para lectura sobre web services, SoapUI y la metodologia agil SCRUM

QUALITY ANALYST EN HSBC

Team Quality

Feb 2018 - Oct 2018 (9 months)

Miembro del area de testing. Responsabilidad en el control de calidad sobre el procesamiento de tarjetas de crédito a través de la plataforma Smart Open Anywere para el cliente HSBC a través de ejecución de pruebas de caja blanca y caja negra. Además, responsabilidad en la implementación de versiones, seguimiento de reportes y generación de informes a traves de Geminis. Manejo de las aplicaciones informáticas TOAD, SQL Developer y de los lenguajes de programación procedimental PL/SQL y de consulta estructurada SQL

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Programador web junior PHP

Rattios Technology

Feb 2017 - Dec 2017 (11 months)

- Encargado del desarrollo y mantenimiento de la funcionalidad lógica backend para pequeños proyectos web. Uso del framework LARAVEL - El sistema de control de versiones GIT y el sistema de gestión de base de datos relacional MYSQL

Cristhian Rondon

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