Senior Back-end Java Developer

Adaptiq is a technology hub specializing in building, scaling, and supporting R&D teams for high-end, fast-growing product companies across industries such as AI, Cloud, Cybersecurity, Semiconductors, and Data-driven platforms.

About the Product

Our client, proteanTecs, is a deep-tech product company redefining reliability for modern electronics.

proteanTecs develops an in-system monitoring solution that provides real-time visibility into next-generation chips while they operate. By leveraging on-chip agents, machine learning, and predictive analytics, the platform detects performance, reliability, and degradation issues before they turn into failures.

The product is already trusted by industry leaders in data centers, automotive, communications, and consumer electronics.

About the Role

We are looking for a Senior Java Back-end Engineer (Kyiv) to join the development of a high-load, data-intensive analytics platform.

In this role, you will work on end-to-end backend features, core services, and data processing components handling large volumes of telemetry and analytics data. You will actively participate in technical and architectural decisions, collaborate with data and ML teams, and build cloud-native, scalable systems.

Key Responsibilities

• Design, develop, and maintain robust, scalable Java-based backend services
• Collaborate with product managers, architects, and engineers on feature design and implementation
• Build and optimize data processing pipelines for high-throughput systems
• Perform code reviews and ensure high code quality through testing
• Contribute to architectural decisions (microservices, cloud-based systems)
• Monitor and optimize system performance and reliability

• Troubleshoot and resolve issues in development and production environments

   

Required Skills

• 5+ years of professional Java development experience, including Java 17.
• Proficiency with Spring Boot, Spring Framework, and JPA/Hibernate.
• Experience designing and consuming RESTful APIs and working with microservices.
• Strong experience with relational (MySQL) and columnar (Vertica) databases and query/performance optimization.
• Proven skills in performance optimization and distributed systems design (explicitly required for senior level).

• Strong analytical problem-solving and effective communication for collaborative team work.

   

Nice to Have

• Experience with Python
• Experience with streaming or messaging systems (Kafka, RabbitMQ)
• Monitoring and observability tools (Grafana, Prometheus, ELK)

• Docker and Kubernetes experience

   

Why Adaptiq

• 20 paid vacation days per year + public holidays
• Full accounting and legal support
• Remote-first work model with co-working space option 
• Competitive compensation with regular performance and salary reviews