Top Tech Jobs & Startup Jobs in Krakow

Build core ledger services and APIs for Remitly’s UFA platform, focusing on correctness, atomic money movement, distributed-systems guarantees, idempotency, and production readiness. Design, implement, and operate scalable cloud services, collaborate with partner teams and external banking partners, and help bring regulated markets live while ensuring reliability, observability, and compliance.

Lead SAP-focused engineering to design, develop, and integrate ABAP-based solutions between SAP (S/4HANA/ECC) and BlackLine Cloud. Provide technical architecture, troubleshooting, performance tuning, documentation, testing, release support, mentoring, and act as Scrum Master while ensuring high code quality and aligning product and stakeholder requirements.

Join BlackLine's Krakow engineering hub as a founding senior engineer building an AI-accelerated Invoice-to-Cash SaaS product. Own end-to-end feature delivery, design scalable secure systems, use AI development tools to boost velocity, ensure observability and reliability across microservices, collaborate with cross-functional teams, and mentor colleagues to raise engineering standards.

Lead SAP ABAP development and integration of BlackLine applications with SAP Cloud. Design, develop, test, tune, and maintain scalable ABAP solutions (S/4HANA, ECC). Serve as technical lead, mentor junior developers, perform releases and off-hours support, collaborate with product and engineering teams, and document technical specifications and test plans.

Design and specify RAN Baseband system features for 5G, perform system studies in radio resource management and physical layer algorithms, develop network-level simulators, analyze test and network performance, support product verification and deployment, contribute to standards and innovation, and collaborate globally across development and customer teams.

Design and develop scalable, high-quality backend systems for traffic automated road closure detection, handling the full software development lifecycle.

As a Software Engineer in Infrastructure Reliability, you'll build distributed systems that enhance platform reliability, implement traffic control mechanisms, and develop monitoring tools, working closely with diverse teams.

Perform embedded software verification and validation for new and legacy avionics products, including test planning, integration and system testing, certification support, and customer support. Work with avionics interfaces, debuggers/emulators, configuration management, and collaborate in global Agile teams to meet DO-178 certification requirements.

Develop scalable web-based solutions, implement new features, optimize performance, and collaborate with engineers and product managers in an agile environment.

Deliver hands-on deployments and enablement for ThousandEyes customers. Plan and execute implementations, configure monitoring, document solutions, train users, and provide best-practice recommendations. Act as a technical advisor requiring strong network, monitoring, and web/REST API skills while engaging varied technical and business stakeholders.

Lead IT strategy and operations across UK, Poland, and US; manage M365, cloud infrastructure, vendor-supported applications (NetSuite, Mavenlink, ZenQMS, Zendesk); oversee a small internal IT team, vendor relationships, security/compliance (GDPR, UK Data Protection Act, GxP), budgeting, and user support/training to ensure reliable, compliant technology operations.

The Payroll Trainee is responsible for collecting payroll inputs, archiving documentation, handling payroll queries, and supporting the Payroll Team.