Senior Full Stack Engineer

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

We are a custom product engineering company that supports both multinational organizations and scaling startups to solve their most complex business challenges. With a global team of over 4,000 highly skilled developers, consultants, analysts and product owners, we engineer technology that redefines industries and shapes the way people live.

About the role:

As a Senior Full Stack Engineer, become a part of a cross-functional development team engineering experiences of tomorrow. 

With almost 100 million active users across 25 countries, the client is 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 

Requirements:

• Strong experience in software development with a proven track record of building and deploying scalable applications
• Solid understanding and experience with Java
• Experience with Java development (JVM Languages) is highly desirable
• Experience with React, Javascript
• 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

What`s in it for you?

• Strong community: Work alongside top professionals in a friendly, open-door environment
• Growth focus: Take on large-scale projects with a global impact and expand your expertise
• Tailored learning: Boost your skills with internal events (meetups, conferences, workshops), Udemy access, language courses, and company-paid certifications
• Endless opportunities: Explore diverse domains through internal mobility, finding the best fit to gain hands-on experience with cutting-edge technologies
• Flexibility: Enjoy radical flexibility – work remotely or from an office, your choice
• Care: We've got you covered with company-paid medical insurance, mental health support, and financial & legal consultations

About us:

At Ciklum, we are always exploring innovations, empowering each other to achieve more, and engineering solutions that matter. With us, you'll work with cutting-edge technologies, contribute to impactful projects, and be part of a One Team culture that values collaboration and progress.
As one of Ukraine's largest IT companies and a top employer recognized by Forbes, we've spent over 20 years delivering meaningful tech solutions. We proudly support diverse talent and military veterans, recognizing their unique skills and perspectives they bring to shaping the future.

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Explore, empower, engineer with Ciklum

Interested already? We would love to get to know you Submit your application. We can't wait to see you at Ciklum.