Top Software Engineer Jobs in Poland

Responsible for developing and supporting kernels for linear algebra operations on AI hardware, optimizing performance and debugging issues.

As a Senior Software Engineer, you will analyze ML software performance, identify bottlenecks, optimize across teams, and produce detailed performance reports.

The Senior Software Engineer will design and evolve an ML application-level simulator, predict system behavior, and work with various teams to drive its adoption as a decision-making tool.

The Staff Software Engineer will set technical strategies, develop backend systems, collaborate across teams, ensure operations, and foster a culture of quality and ownership. Responsibilities include leading projects and mentoring team members.

The Associate Software Systems Engineer will develop and maintain software for avionics systems, contributing to architecture, design, and project management, while ensuring compliance with industry standards.

As a Senior Software Engineer, you will integrate DPU hardware, execute validation plans, handle automation scripts, and collaborate with teams on networking features and testing.

The Senior Software Engineer will design and implement scalable data streaming solutions, develop DevOps tools, and improve system usability and observability.

The Software Development Engineer in Test II will design automated test frameworks for AI inference systems, focusing on validation, performance, and collaborating with engineers to improve quality. Requires 2+ years of relevant experience and proficiency in Python and automation frameworks.

The Staff Software Engineer will design and develop the Collectives Communication Library for AI hardware, lead development efforts, mentor junior engineers, and ensure integration with existing systems.

Lead SRE-focused projects to build AI/LLM-driven reliability tooling and self-healing systems. Define SLIs/SLOs, guide architecture for resilience, automate incident response, embed validation in CI/CD, champion Chaos Engineering, manage internal platforms, and mentor engineers.

Lead development and evolution of Java-based NDS/NDS.Live compiler and validation toolchains. Own component architecture, define technical vision and roadmap, make performance and scalability decisions, engage customers for requirements, lead and mentor a small engineering team, drive engineering best practices, and ensure high quality through testing and validation.

Build and maintain Marketing AI platform components end-to-end: gather partner requirements, design and implement backend services, integrate LLMs and AI tooling, analyze data to inform decisions, ensure production reliability and security, and collaborate across teams to deliver production-ready capabilities.

Design, build, and operate scalable test platforms for synthetic identities, test data seeding, mocking, deterministic validation, and load testing. Improve test signal quality, reliability, observability, and operational maturity. Lead medium-to-large projects end-to-end, write maintainable code, produce async technical artifacts, review designs, and mentor engineers to increase developer productivity and scale testing infrastructure.

As a Software Development Engineer II, you'll design and implement web/mobile architectures, integrate payment systems, and enhance user experience for global money transfers, collaborating across teams and focusing on security and performance metrics.

Dragonfly is seeking Software Engineers for various portfolio companies, focusing on crypto technologies. Engineers of all experience levels are needed across multiple stacks.

Seeking software engineers with at least 2 years of production backend experience, interested in crypto and blockchain technologies, for roles with portfolio companies.

Build and maintain backend services using Java/Kotlin and related technologies. Collaborate with Product Owners in an Agile team to design, implement, test, and deploy internal replenishment and purchasing applications. Participate in code reviews, CI/CD, and ensure application reliability, performance, and monitoring.

The intern will develop user-facing features using React, collaborate in Agile teams, and participate in the software development lifecycle at ABB.

Build backend services and APIs to manage lifecycle of Qdrant Cloud clusters (provisioning, scaling, upgrades, backups, auth). Collaborate across teams, investigate production issues, and improve reliability, scalability, and usability of the cloud platform.

The Senior Software Engineer will design, develop, and maintain backend services for the Core Enrichments team, enhancing data pipelines and collaborating with cross-functional teams to improve performance and reliability.

As a Software Development Engineer in Test at Akamai, you will develop scalable software, create test strategies, and automate testing processes in collaboration with product engineers.

Develop core backend components for a blockchain network, focusing on networking, reliability, scalability, and high-quality software practices.

Develop Base Transceiver Station (BTS) software in an agile team using C/C++ (C++11/14/17). Implement networking features (TCP/UDP), apply object-oriented design and multithreaded development, follow coding best practices, and participate across the full product lifecycle while learning from senior engineers. Hybrid role with minimum 32 hours/week.

Develop and maintain C++/C# modules for civil engineering design applications. Own feature design and implementation, write unit tests, produce well-documented code, collaborate with a global team, research new technologies, and participate in continuous learning and feedback.

The role involves designing, developing, and maintaining software solutions for access control products, focusing on secure coding and collaboration within a team.