Andrei P.
Senior Java Developer | Spring Boot | Quarkus | React | AWS
👋 Hello and welcome! Andrei Petrascu here - Java Backend Developer - Full Stack Developer - Computer Science Engineer - Software Engineer . 🌾 Over 5 years of experience. 💡 Building scalable, cloud-ready web applications for individuals, startups and companies . . 🚀 I Can Help You With - Backend Development with Java 17/21, Spring Boot, Spring Security, JPA, Hibernate, Quarkus - API Design & Integration (REST, SOAP, Binance API, custom APIs) - Database Management — PostgreSQL, MySQL, Liquibase, JPA, Hibernate - Frontend Development with React, Next.js, TailwindCSS, TypeScript - Cloud Deployment — AWS (aws s3 buckets), Vercel, Render, Heroku - Unit Testing — JUnit, Mockito, JaCoCo, - Full Stack Development: web apps development, web applications, integration with 3rd-party APIs (Payments, Trading, AI tools) . . 🤝 Let’s Build Something Great I’m detail-oriented, proactive, and passionate about building reliable, maintainable systems. Let’s discuss your idea — I’ll help you turn it into a high-quality, working product. . . 🌍 Projects auronity.ai — Java backend for AI chat & analytics platform; java backend developer, API integration, spring security, user management, chat management, ai integration, liquibase, postgres, swagger, etc. . agrocentru.ro — Online marketplace connecting buyers and sellers (Java, Spring Boot, Postgres, Liquibase, React, Tailwind, Next.js, AWS, AWS S3 buckets, Vercel, Render). . BMW — Worked at BMW TechWorks Romania using Java, Quarkus, Azure Services, Terraform, IaC, SonarQube, CI/CD, ArgoCD, PostgreSQL, Kafka, Docker, Git, OIDC, and more; Java backend development for enterprise applications. . LMX (UK) (now Connectbase USA) — Java Backend developer. Developed and integrated SOAP and REST APIs for a global telecommunications access platform. . Binance Trading Bots — Startup. Automated trading systems for crypto markets. I implemented crypto trading bots using Binance API, API Integration, Automated Trading Bots for Binance. Binance Spot, Binance Futures . Zub — Dental web app with automated image detection (disease detection and treatment recommendations from X-ray images using AI), patient management. . . 🧠 Tech Stack • Java 17, 21 • Spring Boot Framework • Frontend: React, Tailwind, Next.js • AWS, S3 buckets, vercel, render • Web Services: SOAP, REST • Agile Methodology (Scrum, Jira, Confluence) • Git (GitHub, GitLab, Bitbucket) • Unit Testing: JUnit, Mockito • Debugging • JPA, Hibernate • MySQL, PostgreSQL • Data Structures and Algorithms • Heroku • Binance API, API Integration, Automated Trading Bots for Binance . . . #Full Stack: Java, Java 17, Java 21, Java Developer, Java Backend Developer, Java Spring Boot, Spring Boot, Spring Framework, Spring Boot Developer, Spring Security, Spring Data JPA, Spring MVC, Backend Development, Backend Developer, Full Stack Developer, Full Stack Development, Software Engineer, Software Development, Computer Science, Web Development, Web Developer, API Development, API Integration, REST API, RESTful API, SOAP API, Microservices, Microservices Architecture, PostgreSQL, MySQL, Database Design, Database Management, SQL, Hibernate, JPA, Liquibase, Database Migration, React, React Developer, Next.js, Next.js Developer, Frontend Development, JavaScript, TypeScript, Tailwind CSS, TailwindCSS, Responsive Web Design, Cloud Computing, AWS, Amazon Web Services, AWS S3, Cloud Deployment, Vercel, Render, Heroku, Cloud Architecture, Quarkus, Azure, Azure Services, Docker, Containerization, Terraform, Infrastructure as Code, CI/CD, Continuous Integration, Continuous Deployment, ArgoCD, SonarQube, Git, GitHub, GitLab, Bitbucket, Version Control, Unit Testing, JUnit, Mockito, Test-Driven Development, TDD, Integration Testing, JaCoCo, Code Coverage, Agile Development, Scrum, Agile Methodology, Jira, Confluence, Project Management, Binance API, Trading Bot, Automated Trading, Cryptocurrency, Crypto Trading, Binance Spot, Binance Futures, API Integration Specialist, Third-Party API Integration, Payment Gateway Integration, AI Integration, Machine Learning Integration, Authentication, OAuth, OIDC, User Management, Security, Data Structures, Algorithms, Problem Solving, OOP, Object-Oriented Programming, Design Patterns, Enterprise Applications, Scalable Applications, Web Applications, SaaS Development, Startup Development, E-commerce, Marketplace Development, Healthcare Software, Fintech, Trading Platform, Kafka, Message Queue, Event-Driven Architecture, Maven, Gradle, Swagger, API Documentation, Code Quality, Clean Code, Debugging, Performance Optimization, Telecommunications, Enterprise Software, B2B Applications, Custom Software Development, Software Architecture, System Design, Backend Architecture, Server-Side Development, Java EE, Jakarta EE, JSON, XML, HTTPS, Web Security, Data Privacy, GDPR Compliance, Remote Work, Freelance Developer, Contract Developer, Long-term Projects, Short-term Projects.
Earnings and projects
Last 6 months ÷ 6
Last 6 months: $94
Billed in all: $11,719$12k
$94 in the last 6 months
Across 10 contracts
Earnings, last 30 days
Skill rankings: Top 15% in Binance Coin
Ranked by MRR among everyone on Upwork with the skill.
- Common Lisp7 freelancers · 🇷🇴 #1Top 43%🇷🇴#1 of 1
- #8Binance Coin53 freelancers · 🇷🇴 #1Top 15%🇷🇴#1 of 2
- #8Lisp19 freelancers · 🇷🇴 #1Top 42%🇷🇴#1 of 1
- #70Heroku390 freelancers · 🇷🇴 #1Top 18%🇷🇴#1 of 3
- #142Hibernate677 freelancers · 🇷🇴 #1Top 21%🇷🇴#1 of 3
- #183GitLab592 freelancers · 🇷🇴 #1Top 31%🇷🇴#1 of 9
- #218Trading Automation467 freelancers · 🇷🇴 #5Top 47%🇷🇴#5 of 5
- #442Agile Software Development1,618 freelancers · 🇷🇴 #3Top 27%🇷🇴#3 of 19