About

About Me

πŸ‘‹ Hello, I'm an accomplished developer with over 10 years of experience, specializing in crafting exceptional mobile experiences πŸ“±. As a seasoned Android developer, I've delivered a diverse portfolio of projects, demonstrating my commitment to building robust and user-friendly applications. Over the years, I've honed my skills to navigate the ever-evolving Android ecosystem, consistently pushing the boundaries of what's possible.

  • Name: Sergio SΓ‘nchez
  • Address: Spain
  • Email: dreamsoftware92@gmail.com

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Resume

Resume

Welcome to my professional journey! Here you’ll find an overview of my experience, education, and technical skills in Android and multiplatform development. Throughout my career, I’ve contributed to high-impact projects, collaborated with cross-functional teams, and focused on delivering efficient, user-centric solutions. My path reflects a strong dedication to innovation, clean architecture, and continuous growth.

Dec 2021 - Present

Senior Android Developer

πŸ“Ί Development of TV and mobile Android applications using Kotlin πŸ“±

Key responsibilities:

  • πŸ› οΈ Building Android apps for TV and mobile environments.
  • πŸ“‘ Integration with Set-Top Box firmware and embedded systems.
  • πŸš€ Leading feature development and managing bug resolutions.
  • 🀝 Collaborating in agile meetings to define technical requirements and optimize workflows.
  • πŸ’‘ Delivering maintainable code using modern architectural patterns.

These contributions have led to enhanced user experiences across digital platforms. πŸ’»πŸ“±πŸŒŸ

Apr 2018 - Jan 2021

Android Developer

Participated in the R&D department of a tech-driven company, developing mobile applications for connected devices and internal tools.

  • πŸ”— Bluetooth Low Energy integration.
  • πŸ“ GPS-enabled features for real-time tracking.
  • πŸ“± Solid command of Android SDK and native development.
  • 🎨 Focus on UI/UX for user-centric designs.
  • πŸ‘₯ Experience in team coordination and agile methodologies.
  • πŸ› οΈ Tools used: Slack, Jira, Bitbucket, Firebase, among others.

This role deepened my skills in smart device interaction and mobile app performance. πŸ“²πŸ’Ό

2017-2018

Master Program in Oracle Technologies

Advanced IT Certification Program

Graduated with a GPA of 8.97. Curriculum focused on:

  • 1️⃣ Oracle SQL and PL/SQL fundamentals.
  • 2️⃣ Development tools like Forms and Reports.
  • 3️⃣ Database administration, backup, and optimization.

πŸŽ“ Final Project: Implementation of a high-availability Disaster Recovery system with Big Data integration.

This program provided solid theoretical and hands-on experience in Oracle database environments. πŸ“šπŸ’»

May 2015 - Apr 2018

Mobile / Full Stack Developer

Contributed to diverse national and international initiatives in mobile, web, and backend development. Worked across various industries delivering custom digital solutions.

This multidisciplinary exposure sharpened my technical versatility and problem-solving approach. πŸŒπŸ’‘

Jan 2021 - Dec 2021

Android Developer

Worked on innovative software solutions enhancing connectivity, performance, and scalability across mobile and cloud ecosystems.

πŸ› οΈ Key Skills: Kotlin Multiplatform | Ktor | CI/CD | Firebase | Docker | AWS | BLE | Swift | SQLDelight

2017-2019

Advanced Vocational Training in Multiplatform App Development

Graduated with GPA of 8.45. Learned to design, implement, and maintain secure and user-friendly multiplatform applications.

πŸ† Final Project: A parental control application promoting healthy digital habits.

2016-2017

Expert Program in Java EE and Frameworks

Advanced IT Training

Covered Spring, Struts2, and JSF frameworks with hands-on projects such as:

  • πŸ›’ E-commerce platform with secure access.
  • 🧠 Sentiment analysis on social media.
  • πŸ“ PDF indexing and microservices architecture.
2013-2015

Advanced Vocational Training in Web App Development

Graduated with GPA of 9.45. Focused on secure web solutions using modern technologies.

πŸ† Final Project: Real-time video call platform using WebRTC and WebSockets.

2011-2013

Advanced Vocational Training in Network Systems Administration

Graduated with honors (GPA: 9.15). Focused on configuration, maintenance, and optimization of IT infrastructures under quality and regulatory standards.

πŸ† Final Project: Data replication technologies in enterprise databases.

Services

What I Offer

Explore my skills and specialized services to elevate your project to the next level.

Skills

My Skills

I'm a proficient native iOS developer complementing my Android expertise. I'm also exploring Kotlin Multiplatform for cutting-edge mobility solutions. My versatility extends to server-side technologies like PHP, Python, and Node.js, though I specialize in the Spring ecosystem and JavaEE. Beyond coding, I advocate for clean code principles and software architectures. Additionally, I have a keen interest in cybersecurity, IoT, and blockchain, backed by relevant certifications. Let's connect and delve into the exciting world of technology together!

Kotlin

90%

GitHub

85%

IntelliJ IDEA

95%

Visual Studio Code

90%

VUE.js

80%

JavaScript

85%

Typescript

80%

Postman

85%

HTML5

95%

CSS3

90%

Jetpack Compose

85%

Koin

80%

Android

90%

Git

90%

Docker

85%

Java

95%

Spring Boot

90%

NodeJS

85%

MariaDB

80%

Oracle Database

80%

MongoDB

85%

SQLITE

85%

Apache Airflow

80%

Vault HashiCorp

80%

Redis

80%

Apache Flink

80%

Bootstrap

90%

Python

85%

Flutter

85%

Angular

85%

Firebase

80%

Ultralytics YOLO

80%

Python Flask

85%

Ruby

80%

MinIO

80%

LogStash

80%

Kibana

80%

Elasticsearch

80%

Debian

80%

iOS

85%

SwiftUI

80%

My Projects

Check out some of my latest personal projects below!

Here's a collection of projects I've been working on recently. Each project showcases my skills and expertise in various areas of software development and design.

Blog

Explore My Blog: Discover the Latest Trends and Technologies

Dive into my blog where you'll find fascinating articles on the latest technological innovations, emerging trends, and standout projects in the world of technology, artificial intelligence, computing, and beyond. Stay updated and uncover how these ideas are shaping our present and future.

January 8, 2025

Mastering Jetpack Compose & Android TV Architecture: 5 Projects That Will Transform Your Development Skills in 2025

As a dedicated Android developer with a passion for creating intuitive and high-performing user experiences, I’ve had the privilege of working on several Android TV projects, each of which showcases my deep understanding of the latest development practices. Over the years, I have consistently applied industry-leading best practices and carefully crafted blueprints for native Android development to ensure that my apps not only perform well but also provide seamless, responsive, and visually rich experiences. In particular, Jetpack Compose, with its modern, declarative approach to UI design, has completely transformed the way I approach Android app development.

November 29, 2024

Harnessing Generative AI for Post-Exploitation Vulnerability Reporting in Cybersecurity: A Practical Case Study

In the ever-evolving world of cybersecurity, staying ahead of adversaries requires not only a deep understanding of security concepts but also the adoption of advanced tools that can streamline the process of identifying, exploiting, and reporting vulnerabilities. One of the most promising advancements in cybersecurity is the integration of generative AI to assist professionals in automating the generation of post-exploitation reports. This article will explore how Nemesys, an advanced post-exploitation and automation tool, leverages generative AI to help cybersecurity experts automate the creation of detailed vulnerability reports after critical hardening efforts.

August 2, 2024

LSTM vs. Transformers: A Comparative Study in Sequence Generation

Inthe realm of artificial intelligence and natural language processing (NLP), sequence generation poses a significant challenge. Whether it’s crafting compelling headlines or generating detailed product descriptions, the ability of a model to produce coherent and contextually relevant text is crucial for a range of applications. This article delves into two state-of-the-art approaches for sequence generation using neural networks: Long Short-Term Memory (LSTM) and Transformers. By examining these architectures through the lens of headline generation, we aim to uncover their strengths and limitations.

July 2, 2024

DeFiPlex: Transforming Finance with Security and Efficiency on Blockchain

In the dynamic world of decentralized finance (DeFi), DeFiPlex emerges as an innovative Proof of Concept (POC) built on the Polygon blockchain. This project aims to offer a range of decentralized financial services, including staking, loans, borrowing, and governance, all supported by smart contracts designed to ensure transparency, security, and efficiency. DeFiPlex is born from the ambition to democratize access to advanced financial tools through blockchain technology, particularly on the scalable and efficient Polygon network. This article explores in detail how DeFiPlex not only facilitates these operations but also opens new opportunities for users and developers within the emerging DeFi ecosystem.

June 13, 2024

EventChain: Revolutionizing Ticketing with Blockchain Technology

In an era where digital solutions are increasingly becoming the norm, the event ticketing industry still grapples with several persistent issues. Counterfeit tickets, ticket scalping, and lack of transparency are some of the key problems that plague traditional ticketing systems. EventChain aims to address these challenges by leveraging blockchain technology to create a secure, transparent, and tamper-proof ticketing solution. This article delves into the core aspects of EventChain, focusing on the needs it addresses and the technological solutions it offers.

May 15, 2024

VoicePassport: Secure Voice Identity Verification using Vector Databases and Blockchain Technology

In today’s tech-focused world, keeping our online accounts safe is super important. But regular passwords and PINs can sometimes be easy for bad actors to guess. That’s where VoicePassport comes in! It’s a cool new way to log in using just your voice. VoicePassport makes logging in easier because you don’t have to remember long, complicated passwords.

Dec 10, 2023

Revolutionizing Workplace Productivity with AI-Driven Meeting Insights

In today’s fast-paced corporate world, efficient meetings are pivotal to success. But what if we could harness the power of AI and Natural Language Processing (NLP) to extract invaluable insights from these discussions? Enter β€œTalkTracerAI,” a project aimed at transforming the way we engage with meeting data to supercharge workplace productivity.

Dec 2, 2023

Traffic Sentinel: IoT Solution for Intelligent Road Surveillance and Monitoring

In the current era, traffic monitoring has become an increasingly challenging task in our cities. It is in this context that Traffic Sentinel emerges as a project proposing an architecture for efficient information flow management and decision-making. This conceptual project presents a robust architectural approach capable of being implemented in a real solution to address traffic and safety issues on our roads.

Nov 11, 2023

A Glimpse into AI-Powered Song Generation with LyricWave

In the realm of artificial intelligence, we’re embarking on an exciting journey where music and technology unite. LyricWave, although a personal project, serves as our canvas to explore how AI and music creation can harmonize. Join me as we take a closer look at LyricWave’s proof-of-concept (POC) journey, a captivating combination of art and advanced technology.

Sep 12, 2023

Trust Certification System: Safeguarding Academic Integrity with Blockchain

In the expansive realm of academia, certificates stand as beacons of achievement and unwavering dedication. However, in the digital age, a lurking threat emerges: certificate forgery. This is where the Trust Certification System (TCS) steps in as a robust solution, combining the might of blockchain with an intuitive decentralized application (DApp). In this exhaustive exploration, let’s delve into the core of the TCS DApp, unraveling its intricate technological architecture and emphasizing its steadfast commitment to preserving the authenticity of academic certificates.

Aug 30, 2023

ArtNiche: Revolutionizing the World of Digital Art with NFTs and Cutting-Edge Architecture

In a world where technology and creativity intersect, digital art and NFTs have established a new paradigm in the art industry. At the heart of this revolution emerges ArtNiche, an NFT collectibles marketplace built with Hardhat and Solidity. ArtNiche is not only a showcase for technological innovation but also a catalyst that empowers digital artists and reshapes how we perceive the value of art in the digital era.

Nov 9, 2022

A Passwordless Authentication Architecture Based on a One-Time Code Approach

Passwordless authentication has been gaining traction, and the main reason is the lack of security that passwords offer today, as passwords are reused and stolen more and more frequently. The second reason is that passwords have to be increasingly complex, which degrades the user experience. Security and user experience are among any digital company’s top priorities and are usually in direct conflict. Hence the interest in passwordless authentication, with its promises to offer more security and a better user experience simultaneously.

Dec 28, 2020

An architectural approach to implement a large-scale document search engine based on Apache Nifi.

In this article I would like to show you in detail a project in which I have been working on a personal level with the aim of deepening the use of Apache Nifi technology, widely used for the implementation of ETL flows. The main objective of the project is to implement a scalable processing flow that allows the content of all types of files of any size to be extracted and then indexed, as a result of, we will have the ability to perform full-text searches and be able to quickly locate the files that have a concrete content.

Sep 20, 2020

IoT Event Streaming Architecture

With the boom in the number of IoT devices in recent years, relatively new use cases for IoT and sensor data, such as smart factories and smart cities, have led to time series data being produced on a large scale. In such use cases, a large number of different types of sensors send terabytes of data to be ingested, so that real-time monitoring can improve efficiency and avoid failures. In this story I will show how we can deal the challenges of time series data and handle the high performance of such data at scale, using the Kafka Connect APIs for data ingestion and consolidation and the Kafka Streams API for aggregation and processing of data.

Aug 15, 2020

A microservices ETL architecture for the ingestion and analysis of Tweets about the COVID-19.

The health alert situation derived from the COVID-19 crisis is generating a lot of opinions and information in mass media like Twitter. Analyzing and processing all this information in real time in an efficient and scalable way turns out to be a challenge. In this story I would like to show you a distributed architecture approach orchestrated by Apache Kafka, this is a unified, high-performance, low-latency platform for real-time manipulation of data sources. It can be seen as a message queue, under the publish-subscribe pattern, massively scalable conceived as a distributed transaction log, which makes it attractive for enterprise application infrastructures.

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Contact

Contact Me

If you have any questions, inquiries, or just want to say hello, feel free to get in touch with me using the contact form below. I'll do my best to respond as soon as possible. Looking forward to hearing from you!

Address

Spain