Senior Software Engineer

Daniel Rodríguez Mariblanca

Building innovative and high-performance software solutions with a passion for clean code and elegant design.

danielrm@dev:~$ whoami
Senior Software Engineer with a passion for creating efficient, innovative code solutions.
danielrm@dev:~$ skills
Python | Java | JS | AWS | ML | Docker | Show more
danielrm@dev:~$ experience
TMC @ Bank of Luxembourg Investments & Deloitte 
 Amazon 
 Santander Bank

My Projects

Explore my recent personal projects that showcase my technical skills and problem-solving abilities.

AI Code Review

AI code review toolset with GitHub PR integration (GitHub App) plus a standalone local CLI (built on OpenCode) for repo-agnostic reviews.

PythonDjangoCeleryHTMXhtpyGitHubGitHub AppOpenCodeLLMDocker

Live GitHub

OpenWhisper

Hold-to-talk transcription for macOS using OpenAI Whisper API. Press Fn to talk, release to insert text. Tracks usage + cost. Native menubar app with live waveform.

SwiftmacOSOpenAI APIWhisperAudioKeychainAccessibility

GitHub

Ionisium

SaaS platform for mass mailing communications with PDF watermarking, tracking, and delivery management via AWS Lambda.

PythonDjangoHTMXhtpyCeleryAWSPostgreSQLDockerPulumi

Live

CostCompiler

B2B web application for cost controlling communications, featuring Excel processing, data analysis, and automated reporting.

PythonDjangoHTMXhtpyCeleryPandasPolarsAWSDocker

Live

wt

Git Worktree Toolkit - A CLI for managing git worktrees in feature-branch workflows with hooks, auto-setup, and PR integration.

PythonGitCLIWorktreesDeveloper Tools

GitHub

ralph

CLI harness for running LLM agents on PRD-driven tasks, automating development workflows with AI assistance.

PythonLLMCLIAI AgentsAutomation

GitHub

xpyxl

Create styled Excel reports with declarative Python. Tailwind-inspired utility classes for typography, colors, and layouts without manual coordinates.

PythonExcelopenpyxlxlsxwriterDeclarativeReporting

GitHub

htmx-extensions

Lightweight HTMX extensions: smart loading indicators, file downloads, and programmatic history restoration. Consolidated collection of previously separate extensions (27+ combined stars). No build step required.

JavaScriptHTMXExtensionsBrowser APIsLoading statesHistory API

GitHub

FormCraftSuite

Toolkit for turning PDFs into structured, web-ready forms for data capture and workflows.

PythonPDF processingForm generationHTMLWeb forms

GitHub

TypedJinja

Type safety for Jinja2 templates with 2 stars, bringing typed checks and editor hints to templating.

PythonJinja2Type checkingIDE supportTooling

GitHub

Hackathon-AXA

AXA Hackathon winner with 1 star, a full-stack app built with JHipster and Spring Boot.

JavaScriptJHipsterSpring BootAngularFull-stack

GitHub

Technical Skills

A comprehensive overview of my technical skills, tools, and methodologies I use to solve complex problems.

Languages

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Python
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Java
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Kotlin
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C
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SQL
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Bash

Web Development

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Django
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HTMX
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htpy
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HTML/CSS
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JavaScript
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REST APIs

Data & ML

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Pandas
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Polars
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NumPy
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scikit-learn
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Keras
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Data Warehousing

Cloud & DevOps

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AWS
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Pulumi IaC
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Docker
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CI/CD
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Git

Tools & Environment

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Unix/Linux
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Jupyter
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VS Code
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Vim Motions

Methodologies

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Agile (Scrum)
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Continuous Integration
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TDD

Soft Skills

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Communication
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Problem-Solving
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Adaptability
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Team Leadership

Professional Experience

My journey through impactful roles and projects in software engineering.

TMC

Senior Software Engineer

Luxembourg•2023-Present

Amazon

Business Intelligence & Software Engineer

Luxembourg•2022

Vector ITC Group / Santander Bank

Full-Stack Software Engineer

Spain•2019

Want to see my complete CV with education, achievements, and more?

Download CV View Full CV

Get In Touch

Feel free to reach out!

Contact Information

dakixr@gmail.com

Location

Luxembourg, Luxembourg

Phone

+34 610 655 215