Hello,

I’m Roni Hernández,

Squad-Leader Back-end Developer

I’m a back-end developer with more than three years of experience in the tech industry, especially in start-ups. I currently work at Fairplay, a fintech start-up where I began maintaining the company monolith, which allowed me to understand the inherited systems in depth. Later, I was assigned to the core-banking project, where, together with other engineers, we built the system from scratch, tack...

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PythonFastAPIAWSLangChainGitHub ActionsPostgreSQL

Moments

Winners of the Swift Change Makers Hackathon 2024

Hackathon held in Monterrey that brought together the best teams from across Mexico, each having previously won local hackathons to earn a spot. My team and I were selected to participate and took fir...

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Winners of the NASA Space Apps Challenge 2023

The NASA Space Apps Challenge 2023 is a global hackathon inviting participants worldwide to solve science-and-space challenges using open data from NASA and its partners. In the Mexico City edition, m...

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Telecommunications Congress – UNAM Faculty of Engineering

As part of the lecture series of the Telecommunications Department at UNAM’s Faculty of Engineering, I had the honor of being invited as a speaker by Dr. Luis Francisco García Jiménez (Communications ...

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CONACES 2023 – Acapulco

My friends and I had the honor of being invited as speakers at **CONACES 2023**, Mexico’s most important space event, organized by the **Mexican Space Agency**. We shared the stage with brilliant figu...

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Skills

Programming Languages

PythonCC++Go

Frameworks & Libraries

FastAPIDjangoDjango REST FrameworkFlaskPyQt5

AI & Machine Learning

pandasnumpymatplotlibscikit-learnTensorFlowLangChain

Protocols & Tools

gRPCGraphQLWebSocketWebhooksMQTTRabbitMQOpenTelemetryGitGitHubGitLab

AWS Cloud

LambdaAPI GatewayStep FunctionsSQSSNSEC2ECRS3CloudWatchIAM

DevOps

KubernetesNGINXBash/Shell scriptingGitHub ActionsDigitalOceanDockerDocker Compose

Databases

PostgreSQLMongoDBRedis

Projects

AWS Lambda FastAPI Template

Professional template for building serverless REST APIs using FastAPI, Docker and AWS Lambda.

pythontestingdockertemplatesqlalchemycloudmicroservicesmongodbaws-lambdaserverlessrest-apipostgresqlci-cdgithub-actionspydanticfastapimangum

AWS Lambda Go

REST API built with Go and Gin Framework for hybrid execution in AWS Lambda.

godockergolangmicroservicesaws-lambdaserverlesscontainersapi-gatewayrest-apici-cdcloud-computinggin-frameworkgithub-actions

VOICE AI Assistant Python

AI voice assistant for real-time phone calls, built with Python, Twilio and OpenAI Realtime API.

pythondockerreal-timetwiliovoice-assistantconversational-aifastapiopenai-apigpt-4o

Telegram Connector

Complete solution to integrate applications with Telegram bots through bidirectional communication.

pythonapidockertelegramconnectorintegrationtelegram-botrest-apiwebhookpostgresqlfastapi

CACPY

Automatic grading tool for Python programs in Google Classroom.

pythonclassroomeducationguiautomationpyqt5google-drivenbgradergoogle-classroomauto-gradingteacher-toolsgrading-tools

OpenTelemetry Microservices

Microservices in Python with distributed observability using OpenTelemetry and Jaeger.

PythonAPIDockerDistributed SystemsMicroservicesObservabilityDistributed TracingPython MultiprocessingJaegerFastAPIOpenTelemetry

Central Var RXD

CLI for secure management of environment variables with GPG encryption and multi-environment support.

PythonCLISecurityDevOpsEncryptionMakefileGPGEnvironment VariablesCommand Line ToolDevelopment ToolsSecure StorageSecrets ManagementEnv Management

Git Archive Action

GitHub Action to persist workflow artifacts in dedicated branches within the same repository.

GitDevOpsCI/CDArtifactsWorkflow AutomationGitHub ActionsPersist Artifacts

Push to DockerHub Action

GitHub Action to automate versioning and deployment of images to Docker Hub with environment control.

DockerDevOpsAutomationCI/CDDocker HubGitHub Actions

Push to DigitalOcean Action

GitHub Action to build and publish Docker images to DigitalOcean Container Registry with environment control.

DockerDigitalOceanDevOpsAutomationCI/CDContainer RegistryGitHub Actions

Git Archive Action Testing Example

Practical example of CI/CD integrating multiple services and artifact storage with Git Archive Action.

TestingDockerRedisDevOpsDemoMongoDBExamplePostgreSQLCI/CDGitHub Actions

Roni Website

Personal website built with FastHTML and modern responsive design.

JavaScriptPythonHTML5CSS3FastHTML

Personal Web Django

Complete personal website developed in Django with portfolio, blog and automatic contact system.

PythonDjangoMySQLHTMLCSSPythonAnywhereEmail Automation

Simon Says Troni

Simon Says memory game with Arduino, LEDs, buttons and sound.

CArduinoLEDsPush buttonsPiezoelectric buzzerSerial communicationElectronicsEmbedded systems

IoT Home Automation

Home automation system with Raspberry Pi, PyQt5 and microcontrollers.

PythonPyQt5Raspberry PiArduinoESP-32GPIORGB LEDsFlame sensorsIoT

Metro Maps CDMX

Desktop application that displays the entire Mexico City Metro network and calculates the shortest route between stations.

Python 3PyQt5NetworkXDijkstra AlgorithmA* AlgorithmTCP/IP Sockets

RF Circuits Q Point

Educational tool for finding the Q operating point of FET transistors (JFET and MOSFET) with different methods.

PythonJupyter NotebookNumerical methodsCircuit analysisGraphical analysisElectronic engineering

Contact

Let's work together!

Got a project in mind? I’d love to hear about it!

Send me a message