Logz1mo ago

Software Engineer – Backend Infrastructure

Warsaw · WarsawRemotemid

EngineeringBackend EngineeringDevOps & InfrastructureSoftware EngineerBackend DeveloperSoftware Engineering

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Overview

We're looking for a software engineer who tackles big, unsolved problems head-on, researching, experimenting, and iterating until they crack it.

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EngineeringBackend EngineeringDevOps & InfrastructureSoftware EngineerBackend DeveloperSoftware Engineering

We're looking for a software engineer who tackles big, unsolved problems head-on, researching, experimenting, and iterating until they crack it. You'll take ownership of the systems that power how we ingest, store, and serve data at scale and play a key role in shaping the reliability and performance of our backend infrastructure.

Our data pipeline is the backbone of everything we build. We're pushing the boundaries of ingestion throughput, query performance, and storage efficiency, and we need someone who can help us get there faster, smarter, and more reliably.

Drive improvements to our OpenSearch and Thanos infrastructure.

Design, build, and maintain backend services for high-performance data ingestion and storage

Operate and scale services across AWS (EC2, EKS, ECR)

Participate in an on-call rotation and take ownership of system reliability

Collaborate cross-functionally with engineering teams across the organization- strong English communication skills are essential

5+ years of backend or software engineering experience

Strong proficiency in Kotlin

Solid understanding of microservices architecture, Kubernetes, and telemetry tooling

Hands-on experience with AWS in a production environment

Embraces AI-driven development—you treat AI as a core part of your engineering workflow, not just a productivity shortcut

Comfortable diving into documentation, research papers, and new tools independently

A builder's mindset: you've shipped real systems, owned them end-to-end, and aren't afraid to iterate fast