Hi, my name is
Yuniel Acosta
If I cannot do great things, I can do small things in a great way.
Experienced software engineer skilled in front-end and back-end technologies. Proficient in software design principles, design patterns, and clean architectures. With a passion for Web Development ⢠Clean Architecture ⢠User Experience ⢠Innovation ⢠Problem Solving ⢠SOLID Principles ⢠Design Patterns ⢠Microservices
About me
Software engineer with approximately 7 years working in software development. Proficiency with front-end and back-end technologies. Technology and science enthusiast. I am experienced with Web Application Architecture, Software Design Principles, and Software Design Patterns. Interested in object-oriented programming, design patterns, functional programming, domain-driven design, and microservices. I am a versatile person with wide-ranging skills, eager to learn, and ready to face new and tough challenges in or out of my country.
Here are a few technologies that I've been working with recently:
- Microservices
- Docker
- Java
- Kotlin
- Spring Boot
- Vert.x

Work experience
Senior Software Engineer @ Deutsche Bank
APR 2023 - PRESENT
As a Senior Software Engineer at Deutsche Bank, I bring expertise in collaborating with cross-functional teams to analyze business requirements, designing and delivering software solutions that follow best practices and high coding standards, and ensuring systems meet functional and performance goals.
- Collaborated with cross-functional teams to analyze business requirements and design software solutions adhering to best practices and coding standards.
- Provided technical leadership and mentorship to junior developers; troubleshot and resolved complex technical issues to maintain system reliability.
- Ensured software met functional and performance requirements through testing and quality assurance activities.
- Evaluated emerging technologies and methodologies to identify opportunities for improvement and innovation.
- Communicated project status, milestones, and risks to stakeholders and management to support informed decision-making.
Some Things I've Built
Featured Project
Movie App
MAN is a movie search app that helps display and sort all movies available in the TMDB API. This App is built with ReactJS, Tailwindcss, and Typescript. Also, uses Vercel to deploy.
- typescript
- react
- nextjs
- typescript
- react
- nextjs
Featured Project
ITunes music search engine
Application to search for music using the ITunes Api. Made with Vue 3, Vite and Tailwindcss.
- vuejs
- tailwind
- vite
- itunes-api
- vuejs
- tailwind
- vite
- itunes-api
Other Noteworthy Projects
View the Archive- A simple to-do list application to demonstrate my React knowledge. Front-end project only, no backend or database storage.
Nuxt ToDo App
Application for manage a task list. It allows us add, mark as completed and delete a task. The App has three principal Views (All, Aactive and Completed)Nuxt 3 Template
Simple, opinionated, fully typed, and production-ready project template made with Vue 3, TypeScript, Vite and Tailwindcss.Finis
Application that allows to guarantee the control of the financial availability of the Electric Company of Ciego de Ćvila. The application was developed with monolithic architecture using the Lumen framework on the backend and Angular on the frontend.ShopApp
A simple application made in Flutter for an online store. Where you can add, delete and edit objects to sell, add them to favorites and make a purchase checking the status of your order.ExpensesApp
A simple application made in Flutter to keep track of your daily personal expenses. You can have control of how much you have spent weekly as well as daily.
Education
Central University "Marta Abreu" of Las Villas
Bachelor in Computer Science
Score: 4.0
Relevant Coursework:
- Artificial intelligence
- Computer Machines
- Object-oriented programming
- Assembly
- Web programming
- Systems of Databases (SQL and NoSQL)
- Compilers
- Analysis and Design of Algorithms
- Data Structures
- Logic
- Computational Math
Skills
Backend Development
Expert- Java
- Kotlin
- Spring Boot
- Vert.x
- REST APIs
- Microservices
- SOLID Principles
Frontend Development
Advanced- HTML
- CSS
- TypeScript
- Angular
- Vue.js
Database Systems
Expert- PostgreSQL
- Oracle DB
- BigQuery
- MySQL
- MongoDB
- Query Optimization
- SQL
Cloud & DevOps
Expert- AWS
- Docker
- Kubernetes
- Terraform
- CI/CD
- GitLab CI
- Serverless
- Infrastructure as Code
System Architecture
Expert- Microservices
- Event-Driven Architecture
- Clean Architecture
- High Availability
- Centralized Configuration
- API Design
Security & Risk Management
Advanced- API Security
- Risk Policies
- Scoring Systems
Testing & Quality Assurance
Advanced- JUnit
- Automated Testing
- Code Review
Tools & Platforms
Advanced- Git
- Docker
- Linux
- JHipster
- Istio
- Zookeeper
Certificates
Accredited Software Testing Fundamentals Certification (ASTFC)ā¢
Canvas Credentials (Badgr)
References
"I have had the privilege of knowing Yuniel and have witnessed firsthand his tenacity, commitment, and passion for software development. He stands out for his leadership skills, demonstrated in the way he makes sound technical decisions, maintains balance within the team, and integrates different perspectives to deliver the best possible outcomes. His adaptability to evolving technologies and his ability to design effective solutions make him a highly reliable software professional. Moreover, his enthusiasm for development goes beyond the technical dimension: he breathes and bleeds programming, approaching each project with dedication and excellence, showing clearly that for him it is not just a profession, but a true vocation.
"
"Focused, intelligent, and driven by constant curiosity, Yuniel is a senior full stack developer with strong expertise in his field and a broad understanding of complementary technologies and disciplines. He quickly integrates new knowledge and applies it effectively to build scalable, high-quality solutions. His ability to combine deep technical expertise with a cross-disciplinary perspective allows him to approach complex projects holistically, ensuring robust architecture, maintainable code, and an efficiency-oriented mindset. His sense of responsibility and professional rigor consistently deliver results of exceptional value.
"
Interests
Technology Trends
Outdoor Activities
Languages
Posts
Understanding CORS in Web Development
This article explains CORS (Cross-Origin Resource Sharing) - a security feature built into web browsers that allows web pages to make XMLHttpRequests to another domain. It covers what CORS is, why it's important, and how it works. The article emphasizes the importance of understanding CORS for building modern web applications that require cross-domain requests.
Understanding OAuth, OIDC, and SAML: Authentication vs Authorization
This article explains the distinctions between OAuth, OIDC, and SAML, outlining their unique features and applications. By breaking down these standards, readers can make informed decisions about which one to use for their authentication and authorization needs.
SOLID Principles Explained: Building More Maintainable and Understandable Software
Learn the SOLID principles of OOP: SRP, OCP, LSP, ISP, and DIP. These guidelines help create flexible and easy-to-understand software designs, avoiding common problems.
[D] The Dependency Inversion Principle
This article explores the Dependency Inversion Principle (DIP) in SOLID design principles, highlighting the benefits of creating flexible and easy-to-maintain code. It provides a Kotlin example for implementing DIP to achieve an adaptable codebase.
05. Contact me
Lets talk about everything!
I am interested in new opportunities especially ambitious or large projects. However, if you have other request or question, don't hesitate to contact me using below form either.
