Top Software Engineer Jobs in Krakow

Lead a backend engineering team to deliver quarterly goals, design and build low-latency transaction and post-transaction systems, collaborate with product and design, ensure operational availability and on-call readiness, improve code and design standards, and mentor engineers.

The Software Engineer will design, develop, and support the MEMX Trading system software, focusing on production support during US evening hours.

Design, build, and optimize GPU-accelerated deep learning inference software and frameworks (e.g., SGLang, vLLM). Profile and tune LLM and Generative AI model serving across NVIDIA accelerators, contribute code to inference libraries, and collaborate across teams to deploy high-performance multi-GPU solutions.

Design, build, ship, and own high-scale, user-facing product features across frontend, backend, and data systems. Define problems, scope and prioritize work, collaborate with Product, monitor production usage, debug incidents, improve reliability, review code, and mentor engineers. The role requires strong backend expertise alongside React proficiency and ownership from product discovery through long-term maintenance.

Build and ship production AI agents that help mobile app developers manage subscriptions and paywalls. Own agent orchestration, tool execution, context management, evaluation, observability, permissions, and human-in-the-loop controls. Develop reliable, secure, user-facing backend systems, scope projects independently, monitor adoption, improve features after launch, participate in architecture and incident response, and mentor engineers.

Lead backend development for CRM segmentation and operations on the ABC Glofox platform. Design Golang services, optimize complex MySQL queries, manage large datasets, and guide technical direction for a team of 2–3 engineers. Collaborate with Product, Design, Development, and Testing teams to build XLerate, using Agile, Lean, DevOps, and CI/CD practices.

Provides principal-level technical direction across CRM engineering teams and shared platform capabilities. Responsibilities include architecting large-scale distributed and data-intensive systems, improving reliability, observability, performance, and operability, mentoring engineers, resolving critical cross-team incidents, leading migrations and integrations, designing webhook architectures, and establishing responsible AI engineering practices. The role also drives engineering standards, CI/CD, production readiness, and platform improvements across the CRM domain.

Develop and maintain Layer1 control software for physical network connectivity, instrument telemetry, and interface with hardware teams. Design, implement, test, and debug features in C/C++ and Python; collaborate with customers, hardware, and support teams; own projects from definition to deployment.