Вакансія Senior Java Software Engineer

Skills

• Java
• Kafka
• AWS SNS
• AWS SQS
• RESTful API

Опис вакансії

Ciklum is looking for a Senior Java Software Engineer to join our team full-time in Ukraine.

About the role:

As a Senior Software Engineer in our Logistics team, you will be instrumental in enhancing and consolidating our 3rd Party Logistics (3PL) services. You will be involved in the evolution of our current systems, focusing on creating a unified and efficient data flow for all 3PL communications. Your expertise will be crucial in designing, developing, and maintaining critical components that power our delivery operations and partner integrations.

About Client:

With almost 100 million active users across 25 countries, they’re a global food tech company. Their tech ecosystem connects millions of active customers with hundreds of thousands of connected partners in countries across the globe. Their mission: To empower every food moment around the world, whether it’s through customer service, coding or couriers.

Responsibilities

• Design, develop, and maintain software solutions for our logistics integration platform, ensuring high performance, scalability, and reliability
• Contribute to the potential migration of our Legacy 3PL service
• Architect and implement robust data pipelines using Kafka to establish a unified messaging system for all 3PL interactions
• Work with existing messaging systems such as Kafka, SNS, and SQS, understanding their role in the current architecture and how they integrate with the future state
• Design and implement seamless integrations with internal APIs (e.g., Order-API, Restaurant-API, PartnerConnectAPI, Logistics Relay API) and external partner APIs
• Develop and maintain both synchronous HTTP APIs and asynchronous event-driven integrations
• Collaborate with product owners, other engineering teams, and external partners to define and implement data exchange contracts
• Contribute to the development and enhancement of core logistics system components by contributing to other teams codebase if necessary (InnerSourcing)
• Work with databases to manage configurations and store relevant projections
• Apply your understanding of event-driven architectures and microservices to build a scalable and maintainable platform (EDA and DDD)
• Implement and manage dynamic configurations and decision logic within the logistics systems
• Bring your understanding of 3PL operations, delivery processes, order status updates, and courier location tracking to the development process
• Contribute to the understanding and utilization of logistics metrics (e.g., Workload, PrePurchaseEta, PostPurchaseETA) for dynamic decision-making
• Ensure the quality and stability of your code through thorough testing and adherence to best practices
• Mentor and guide junior engineers within the team

Requirements

• Strong experience in software development with a proven track record of building and deploying scalable applications
• Solid understanding and experience with Java
• Deep understanding and practical experience with Kafka, including producers and consumers
• Experience with other messaging systems such as Kafka, SNS, and SQS
• Proven ability to design and implement RESTful APIs and integrate with external APIs
• Experience with event-driven architectures and microservices
• Understanding of database concepts and experience working with various database systems
• Strong problem-solving and analytical skills
• Excellent communication and collaboration skills
• Fluency in English

Desirable

• Familiarity with Kafka Redpanda (former Benthos) or similar data processing tools
• Experience with API design principles and best practices
• Understanding of testing methodologies and frameworks
• Knowledge of the logistics domain, particularly 3PL operations
• Experience working in an agile development environment
• Familiarity with dynamic configuration management