Henri Kacadej

Skills

Enterprise-grade expertise in Java development

Backend Development

Java Spring Boot Spring Cloud REST APIs Microservices Kafka

Frontend & Full Stack

Angular TypeScript HTML/CSS JavaScript Responsive Design

Database & Cloud

SQL Oracle Database SQL Server Azure Kubernetes Docker

DevOps & Tools

CI/CD Azure DevOps WebLogic Git Agile Scrum

Experience

Building enterprise solutions across industries

Java & Angular Developer

Lufthansa Industry Solutions

07/2025 - Present

•Develop and maintain Java-based microservices using Spring Boot and enterprise integrations
•Automated delivery of microservices on Azure Kubernetes
•Integrated Azure Service Bus and Apache Kafka for async processing
•Optimized backend database queries for faster critical transactions
•Automated deployment pipelines using Azure DevOps

Java Instructor

SDA by Protik

11/2024 - Present

•Deliver Java development courses from beginner to advanced
•Mentor students, preparing them for industry roles
•Create hands-on labs and real-world backend engineering projects
•Share experience from enterprise banking systems
•Promote strong programming fundamentals and a growth mindset

Core Banking Developer

Facilization

08/2024 - 07/2025

•Developed and customized solutions on Oracle core banking systems
•Designed standalone apps and custom financial integrations
•Led development teams through planning and delivery cycles
•Used Spring Boot, Kafka, Camel, and Eureka in microservices
•Ensured database performance on Oracle and SQL Server

Java Platform Developer

Tesisquare

05/2022 - 08/2024

•Contributed to the development of a large-scale TMS platform
•Participated in R&D efforts and innovation
•Collaborated with business analysts to design maintainable modules
•Ensured stability and quality of a mission-critical logistics system

Code

Real-world Java snippets from enterprise systems

PaymentService.java

public class PaymentService {
  @Autowired
  private TransactionRepository repo;
  
  public void processPayment(Payment p) {
    repo.save(p);
  }
}

BankingController.java

@RestController
@RequestMapping("/api/banking")
public class BankingController {
  @GetMapping("/balance")
  public ResponseEntity getBalance() {
    return ResponseEntity.ok(service.getBalance());
  }
}

MicroserviceConfig.java

@Configuration
@EnableEurekaClient
public class MicroserviceConfig {
  @Bean
  public RestTemplate restTemplate() {
    return new RestTemplate();
  }
}

Transaction.java

@Entity
@Table(name = "transactions")
public class Transaction {
  @Id
  @GeneratedValue(strategy = GenerationType.IDENTITY)
  private Long id;
  
  @Column(nullable = false)
  private BigDecimal amount;
}

KafkaProducer.java

@Component
public class KafkaProducer {
  @Autowired
  private KafkaTemplate<String, Object> template;
  
  public void sendMessage(String topic, Object data) {
    template.send(topic, data);
  }
}