You will get Expert Java Backend Developer | Micro-services, Spring Boot, Kafka, AWS
Project details
Are you looking for a highly experienced Senior Java Backend Developer to build, maintain, or scale your software application? With over eight years of experience in designing and developing high-performance, scalable enterprise solutions, I specialize in building robust backend systems using Java (8 to 17) and modern frameworks like Spring Boot, Hibernate, and Vert.x.
I've worked with top-tier companies on mission-critical projects, from developing microservices-based platforms to implementing complex authorization systems and streamlining business operations across diverse industries.
Technologies and Tools
Languages: Java (8 to 17), TypeScript, JavaScript, Groovy
Frameworks: Spring Boot, Hibernate, Vert.x, JSF, Angular
Databases: PostgreSQL, MySQL, Oracle, MongoDB, SAP HANA
Messaging: Kafka, ActiveMQ
Cloud and Infrastructure: AWS (S3, EKS, MSK, EC2), Kubernetes, Docker
DevOps Tools: Git, Maven, Jenkins, Prometheus, Grafana, Argo CD, SonarQube
I've worked with top-tier companies on mission-critical projects, from developing microservices-based platforms to implementing complex authorization systems and streamlining business operations across diverse industries.
Technologies and Tools
Languages: Java (8 to 17), TypeScript, JavaScript, Groovy
Frameworks: Spring Boot, Hibernate, Vert.x, JSF, Angular
Databases: PostgreSQL, MySQL, Oracle, MongoDB, SAP HANA
Messaging: Kafka, ActiveMQ
Cloud and Infrastructure: AWS (S3, EKS, MSK, EC2), Kubernetes, Docker
DevOps Tools: Git, Maven, Jenkins, Prometheus, Grafana, Argo CD, SonarQube
Programming Languages
JavaCoding Expertise
Performance Optimization, Security, DesignWhat's included
| Service Tiers |
Starter
$500
|
Standard
$800
|
Advanced
$1,500
|
|---|---|---|---|
| Delivery Time | 5 days | 10 days | 15 days |
Number of Revisions | 1 | 2 | 3 |
Design Customization | - | ||
Content Upload | - | - | - |
Responsive Design | - | - | - |
Source Code |
About Kerolos Atallah
Senior Backend Developer - Java
Cairo, Egypt - 7:24 pm local time
Hello! I'm Kerolos, a Senior Java Developer with over 7 years of hands-on experience building robust, scalable, and high-performance backend systems. I specialize in Java, Spring Boot, and microservices, and I have a proven track record of delivering high-quality solutions that drive business success.
🔹 Why Work with Me?
Proven Expertise: I’ve worked with top companies like Evolvice, IQVIA, and ASSET Technology Group, where I designed and implemented complex backend architectures.
Java Mastery: From Core Java to advanced frameworks, I am proficient in building clean, modular, and efficient code. I’m highly skilled in Spring Boot, Hibernate, and Spring MVC.
Database Proficiency: I have extensive experience with relational databases like Oracle, SQL Server, and MySQL, and I excel in optimizing database performance and reliability.
Microservices & Event-Driven Architecture: In my recent work with the Egyptian UHIA project, I implemented an Event Sourcing Architecture with Kafka, Spring Cloud, and Vert.x, achieving high resilience and scalability.
Secure & Scalable API Development: I have deep experience building secure RESTful APIs with JWT authentication and implementing multi-layered backend solutions.
Team Player & Effective Communicator: I thrive in collaborative environments, whether leading a team or working independently. I am fluent in both Arabic and English, which enables me to communicate complex technical concepts clearly and effectively.
💼 Key Services I Offer:
Backend Development with Java and Spring Boot
API Development & Integration
Microservices & Distributed System Design
Database Management & Optimization
Event-Driven Systems with Kafka
Project Consultation and Code Reviews
Whether you need a seasoned developer to jumpstart your backend development or support an existing project, I’m here to bring value and efficiency. Let’s connect and discuss how I can help you achieve your goals!
🌍 Available for Remote Projects | Fluent in English & Arabic
Steps for completing your project
After purchasing the project, send requirements so Kerolos Atallah can start the project.
Delivery time starts when Kerolos Atallah receives requirements from you.
Kerolos Atallah works on your project following the steps below.
Revisions may occur after the delivery date.
Requirement Analysis
Review project goals, existing codebase, and system requirements.
System Design
Design architecture, database schema, and API endpoints.