We are looking for a Senior Java Backend Engineer to join an early-stage European startup that is building a cloud-native platform for smart asset tracking in the logistics domain. The product is focused on real-time visibility and lifecycle automation of reusable transport items, leveraging IoT and telemetry technologies.
As a backend engineer, you’ll collaborate directly with the technical lead and take full ownership of backend microservices, IoT platform integration, and scalable cloud deployments.
Client — is a fast-growing B2B tech startup working at the intersection of IoT, logistics, and sustainability. Their platform enables businesses to monitor and manage logistics assets, such as containers, pallets, and bins, through connected devices and data-driven workflows. The solution includes telemetry ingestion, real-time event processing, and third-party system integration within cloud environments (AWS or Azure). Requirements: * 5+ years of experience with Java (11–21) and Spring Boot * Proven experience working with ThingsBoard and API usage * Solid PostgreSQL knowledge * Hands-on experience with Docker and Kubernetes * Familiarity with MQTT and REST APIs, especially in the context of real-time telemetry workflows * Production experience deploying to AWS (EKS, EC2, RDS) * Upper-Intermediate English or higher Nice to have: * Experience with Kafka, ELK, Cassandra * Experience with device provisioning and edge-to-cloud data sync * Interest in sustainability, circular economy, or reusable logistics * Experience with TrackOnline API integration * Basic frontend skills are a plus Responsibilities: * Develop scalable backend microservices for RTI management (status, check-in/check-out, condition updates) * Integrate ThingsBoard APIs, dashboards, rule chains for telemetry ingestion * Set up alerting mechanisms for RTI asset movement * Interface with TrackOnline API for syncing asset lifecycle events * Deploy microservices via Docker/Kubernetes on AWS/Azure * Write efficient PostgreSQL queries, design a telemetry schema for staging layer * Provide technical documentation We offer: * Competitive salary with the regular review * Medical Insurance after 3 months probation period (can be used in Ukraine) * Vacation (up to 20 working days) * Paid sick leaves (10 working days) * National Holidays as paid time off (11 days) * Online English courses * Accountant assistance and legal support * Flexible working schedule, remote, office-based or hybrid format * Fully-equipped perfect office space located in the city center (ready for work in blackouts) * Direct cooperation with the customer * Dynamic environment with low level of bureaucracy and great team spirit * Challenging projects in diverse business domains and a variety of tech stacks * Communication with Top/Senior level specialists to strengthen your hard skills * Online/offline teambuildings * Volunteering culture development and support
