Software Engineer (Medior / Senior)

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Description

Software Engineer (Medior / Senior) SmartCat, Novi Sad, Serbia (hybrid) SmartCat is an AI-driven company that works on hard data problems. We're selective about the projects we take on, and we care that the work actually matters We're looking for a backend engineer, Medior or Senior, to help build and run large event-driven systems that have to stay reliable under heavy load. Most of the work is microservices that move a lot of data around. What you'll do: 🌸Build and run microservices that handle large volumes of data. 🌸Connect services with Kafka and Avro, and keep the schema contracts between them clean. 🌸Work with different data storage (Cassandra, ElasticSearch, Postgress, Redis….) and handle schema changes without breaking things. 🌸Keep services observable, and take the manual work out of testing and deployment. 🌸As a Senior: own the architecture decisions and mentor the rest of the team. What we're looking for: 💦3+ years for Medior, 5+ for Senior, mostly with Java and Spring Boot. Python or Go is a plus. 💦You've built distributed systems and are comfortable with microservices and event-driven design. 💦Hands-on with Kafka (Kafka Streams is a plus) and Avro with a schema registry. 💦Good with PostgreSQL and SQL. Experience with jOOQ, Flyway, or reactive access (R2DBC / Project Reactor) is a real plus. 💦You care whether things work in production: metrics, tracing and logging (we use OpenTelemetry, Micrometer and Prometheus), and fallback patterns like Resilience4j. 💦You know Docker and Kubernetes. We run on-prem and on OCI; cloud experience (AWS, Azure, GCP) is welcome too. 💦Security matters to you. Pen testing or red-team experience is a big plus. 💦You write tests, unit and integration (we use Testcontainers). What we offer: ☘️Clearly defined pay grades: from L1 (talented junior) to L10 (principal) ☘️The career path that connects these grades, so you know where you're headed (at least here with us) ☘️Loyalty coefficient: 10% on net compensation after 3 years at SmartCat, 20% after 5 years ☘️Knowledge budget ☘️Flexible hours and work from home ☘️We're transparent, from L-levels to salaries, strategy and financials ☘️Full support as you build up your expertise Apply #engineer #serbia #hybrid

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