Top Software Engineer Jobs in Krakow

Design and build the on-prem software stack for ModelVault appliances: containerized inference engines, model integration (LLMs/vision), deployment tooling, CLIs/GUI/APIs, OS and GPU setup, remote updates, telemetry, and collaborate with customers and founding team to iterate and scale the engineering org.

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.

Develop automation and tooling to improve reliability and performance for large-scale video applications. Maintain core video services, observability systems, metrics, logs, traces, alerts, and runbooks. Support software deployments, on-call operations, and incident response while collaborating with product and engineering teams. The role requires early-career software development experience, programming proficiency, software engineering fundamentals, networking knowledge, and an interest in distributed systems, production reliability, and observability.

Develop and maintain high-performance Modern C++ components for an embedded vision and traffic management platform using ROS2 and sensor fusion. Responsibilities include sensor and interface integration, distributed message-based applications, architecture, testing, performance optimization, Linux debugging, containerized development, code reviews, and mentoring junior developers.

Build and maintain customer-facing e-commerce features as part of Motorola Solutions’ Digital eCommerce team. Collaborate with product owners, UI/UX designers, backend engineers, and QA across the product lifecycle, including ideation, architecture, implementation, release, and maintenance. Write clean JavaScript and React code, participate in code reviews, follow engineering best practices, and use Git-based workflows in an Agile environment.

Build and maintain cloud networking software, including routing overlays, host routing stacks, tunneling, and networking configurations. Responsibilities include designing, implementing, reviewing, documenting, and testing code; collaborating globally on features and technical solutions; resolving bugs; and contributing to technical design, product reviews, project planning, and backlog management. The role also involves working with distributed systems, Linux networking, containers, virtualization, and mentoring developers or testers.

Develop and maintain backend services for Splunk Cloud application management, primarily using Python and Go. Design, implement, debug, test, and optimize reliable software while contributing to React-based interfaces when appropriate. Collaborate with product, UX, architecture, documentation, and engineering teams within an Agile software development lifecycle. Contribute to testing, observability, operational excellence, and ongoing technical growth.

Build, test, and maintain foundational security components for cloud-based and on-premises products. Develop secure Go and C++ software, troubleshoot technical and production issues, support service availability through on-call rotations, and collaborate with senior engineers. Work involves secrets management, auditing, cryptography, compliance, cloud services, and secure coding while progressively taking on greater responsibility.

Develop and maintain Android mobile applications for a fintech product. Design innovative features, improve user experience, and help evolve the mobile platform. Lead Android best practices, identify tooling gaps, reduce technical debt, and optimize CI/CD pipelines. Collaborate in an Agile environment, with potential responsibility for testing practices, continuous integration, and mentoring through technical expertise.

Develop and maintain Android mobile applications for a fintech product used by developers worldwide. The role involves creating innovative mobile features, improving user experience, following Agile practices, and applying Android development best practices. Candidates should have built and published at least one Android app on Google Play. Experience with testing frameworks, scripting languages, and Jenkins is preferred.

Develop and maintain Backbase mobile banking applications for iOS using Swift, UIKit, and SwiftUI. Build reusable components and APIs, leverage AI-assisted development workflows, and deliver production-ready features with strong accessibility, security, performance, and backward-compatibility standards. Collaborate within an Agile Scrum team while writing tests and supporting continuous integration.

Develop and maintain production iOS applications and reusable framework APIs for Backbase Digital Banking. Build Swift components using UIKit, SwiftUI, and the Backbase Design System while ensuring accessibility, security, performance, backward compatibility, and testability. Collaborate within an Agile Scrum team, deliver features end to end, and improve tooling, technical debt, and CI/CD pipelines using AI-assisted development workflows.

Build user-focused web applications and digital banking solutions using Angular, TypeScript, backend integrations, APIs, and microservices. Leverage AI coding assistants and agentic workflows to accelerate development, testing, refactoring, and integrations. Own production-ready features, maintain accessibility, security, performance, and testability standards, and collaborate within cross-functional Scrum teams.

Build and maintain developer tools across SDKs, React Email, CLI, MCP, integrations, and supporting backend services. Collaborate on APIs, compatibility, testing, releases, documentation, and shared tooling. Support developers through GitHub issues and pull requests while designing reliable interfaces, error handling, and backward-compatible experiences. The role also involves operating systems with authentication, retries, rate limits, queues, monitoring, and error recovery.

Contribute to building and improving secure identity services supporting authentication, authorization, and user lifecycle management across Splunk and Cisco products. Implement scalable features, maintain existing components, develop APIs, and learn distributed systems, identity protocols, and IAM technologies while collaborating with senior engineers and cross-functional teams.

Build and ship native Android features in Kotlin for an AI-enabled neobank. Collaborate with product and design to create clean user journeys, integrate backend APIs, improve performance and reliability, use analytics and production data to iterate, and implement on-device AI where it improves the UX.

Architect and deploy multimodal 2D/3D object detection systems using camera, LiDAR, and radar. Build data collection, evaluation, and proprietary dataset pipelines; train, monitor, and improve production perception models; develop the perception roadmap; and mentor junior engineers. The role requires end-to-end perception stack experience, cross-functional leadership, Python proficiency, and advanced education in computer science, robotics, or deep learning.

Design and build production-grade mission, behavior, and motion planning systems for autonomous ground-support vehicles in airport environments. Responsibilities include selecting planning algorithms, architecting software interfaces, optimizing trajectories, addressing uncertainty and real-time constraints, collaborating with perception and controls teams, applying safety practices, and mentoring engineers. The role requires strong C++ or Python skills, Linux experience, and hands-on autonomous systems planning experience.

Provides technical leadership for the design and development of highly concurrent, distributed backend systems. Owns architectural decisions, scalability, reliability, performance optimization, testing standards, coding practices, and cloud-native engineering strategy. Mentors engineers, collaborates with product and engineering leaders, and participates in an on-call rotation. The role requires extensive Go or JVM experience, enterprise-scale systems expertise, distributed architectures, databases, and containerized infrastructure.

Design, develop, and maintain highly concurrent, distributed backend services in a cloud-native environment. Drive architecture and technical decisions, optimize performance, build and test reliable REST services, support releases, establish engineering standards, mentor junior engineers, and participate in on-call support.

Leads technical architecture and long-term platform evolution across six engineering squads. Responsibilities include improving performance, reliability, scalability, code quality, testing, CI/CD, and observability; guiding domain boundaries and event-driven architecture; conducting design and code reviews; driving refactoring and monolith decomposition; mentoring engineers; and representing the organization in company-wide technical initiatives.

Build secure production services on Google Cloud from prototypes, develop Python APIs and data pipelines, integrate business systems with canonical data layers, automate reporting, and own deployment, monitoring, security, documentation, and stakeholder communication. The role requires strong cloud, data engineering, full-stack, and service ownership skills, with emphasis on autonomous delivery and secure software practices.

Perform functional and non-functional testing of web applications, analyze and clarify requirements, develop testing strategies, create test documentation, adapt automated tests, and track defects and quality metrics. Collaborate with developers, product owners, partners, and other stakeholders while supporting Agile/Scrum processes and continuous QA improvement across SaaS, on-premises, and hybrid deployments.

Design and deliver internal systems, Go services, APIs, data models, dashboards, visualizations, and LLM-powered workflow features. The role includes writing specifications, estimating work, code reviews, testing, documentation, security, performance, accessibility, and collaboration with nontechnical stakeholders. The engineer will handle sensitive people data, mentor colleagues, and improve team practices in a globally distributed environment.

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.