Top Software Engineer Jobs in Krakow

Lead design and delivery of scalable, reliable software systems. Own projects end-to-end, drive architecture discussions, mentor engineers, define technical standards, collaborate with product and design, and promote AI tool adoption to improve productivity and product quality.

Design and implement automated testing frameworks to validate hardware functionality. Collaborate with software developers and troubleshoot issues in testing processes.

Develop and maintain backend microservices for e-commerce, work in Agile teams, drive technical improvements, ensure code quality, and take ownership of features.

Own and improve Langfuse SDKs (Python and TypeScript), ensuring reliability, performance, API design, integrations with AI frameworks, OpenTelemetry support, documentation, and developer experience.

Hands-on lead software engineer building scalable, testable data systems and pipelines using Python, Spark and AWS. Drive engineering excellence, influence architecture, coach engineers, and help evolve a modern lakehouse architecture while translating business problems into pragmatic technical solutions.

Join Mapbox's new Telemetry team to design and develop high-throughput streaming data pipelines, ensuring system performance and quality while collaborating with engineering leaders.

The role involves developing software for networking devices using C/C++ and Python, along with testing and integration tasks.

Lead optimization of concurrent systems, scale backend microservices, and collaborate with developers and engineers on deployment for retail solutions.

The Senior Software Engineer will enhance Redpanda's observability platform, focusing on metrics, logging, and traces to ensure system health and performance while collaborating with engineering teams.

The Staff Software Engineer will design, build, and operate systems for the Agentic Data Plane, ensure reliability and scalability, and manage large technical projects.

As a Software Engineer at XBOW, you'll develop full-stack systems, focusing on backend services using TypeScript, Kotlin, and Go, while deploying on AWS. The role involves end-to-end ownership of projects and collaboration across teams to enhance AI-driven cybersecurity solutions.

Build and operate production custody systems: signing service, key management, chain integrations, and transaction pipelines. Own end-to-end subsystems, integrate new chains, collaborate with cryptography on threshold signing and key recovery, write post-mortems, and produce clear async design docs and PRs.

Design, develop, and maintain high-quality web applications using CodeIgniter and PHP. Collaborate with cross-functional teams to define and ship features, ensure application performance and quality, identify and fix bugs, and maintain code quality and automation.

Design, build, and maintain PHP/Laravel backend features and APIs for USLegal. Use AI tools to accelerate development, contribute to React front-end tasks, analyze A/B tests, maintain code quality, and operate autonomously in a cloud (AWS) environment using MySQL and SQS.

Develop and improve algorithms for automated treatment-planning software using modern C++ (C++17+). Work in an agile team, engage with clinical experts and product owners, design and implement complex algorithms, create prototypes, participate in architecture and code reviews, write tests and technical documentation, follow medical-device regulatory guidelines, mentor peers, and support production monitoring and maintenance.

Lead full‑stack development for Invisalign Palatal Expander treatment planning software. Design, implement, test, and maintain frontend and backend systems, CI/CD pipelines, and AWS infrastructure. Collaborate with multidisciplinary teams, follow medical device regulatory quality standards, write unit/integration tests in TypeScript, and support on‑call rotations.

Build and ship browser-based 3D interactive features using React, Three.js, and WebGL; integrate frontend with a C++ computational backend on AWS; use AI tools (Claude Code) to accelerate development; prototype AI-powered product features; and collaborate with clinical scientists, UX, ML engineers, and QA.

Develop, test, and deliver C++ features for a Windows-based 3D CAD system and supporting cloud services. Implement and prototype functionality, improve algorithms for performance, write unit tests, participate in code reviews, and collaborate with QA, product, and cross-functional teams to clarify requirements and ensure high-quality releases.

Design, implement, and optimize complex algorithms for automated treatment-planning software using modern C++ (C++17+). Participate in end-to-end development, architecture, prototyping, testing, documentation, and regulatory-compliant medical device software practices. Collaborate with clinicians, product, QA, and mentor engineers while improving reliability, performance, and production monitoring.

Develop and improve algorithms for automated treatment planning software for Invisalign. Participate in end-to-end development, design, prototyping, code reviews, testing, documentation, and production support. Collaborate with clinical experts and product teams, implement complex algorithms in modern C++17 with full test coverage, follow medical-device regulatory and quality guidelines, mentor other developers, and drive performance, reliability, and architectural improvements.

Lead end-to-end delivery of customer-facing features, designing and implementing 3D geometric and numerical algorithms in C++, contributing to Go backend services, leading architecture decisions, mentoring engineers, collaborating with QA/SQA, and maintaining regulatory traceability for medical software.

Lead design and execution of test plans for 3D CAD applications, APIs and AI features. Develop and maintain Python-based automated tests, manage datasets for AI, validate AI algorithms, set up CI, perform non-functional testing, analyze results, and collaborate with cross-functional teams to ensure production-ready releases.

Lead end-to-end design and delivery of customer-facing features in C++ and Go, implementing high-performance 3D geometry and numerical algorithms, owning architecture and technical decisions, mentoring engineers, coordinating cross-team dependencies, ensuring testability and regulatory traceability for medical software.

Develop and modernize clinical research software using C++ and Go; maintain legacy code, implement unit/integration tests, ensure regulatory compliance, collaborate with cross-functional teams, and use AWS, Kubernetes, Docker, and CI/CD in an Agile/Scrum environment.

Develop backend software, improve architecture and performance, implement features, and work in Agile teams on evidence management software for public safety.