Top Software Engineer Jobs in Krakow

Develop and maintain C#/.NET backend services and customer-facing web interfaces for intelligent video products. Own features from design through production support, participate in code reviews, write unit tests, troubleshoot issues, and deliver scalable solutions. The role involves SQL databases, modern frontend frameworks, AI-assisted development, and potentially microservices, distributed systems, Kafka, and IoT technologies.

Design and build Go services for Telnyx’s serverless platform, function deployment pipeline, global control plane, and edge infrastructure. Own backend APIs, resource lifecycles, workload deployment, asynchronous workflows, observability, and reliability. Work with Kubernetes, distributed systems, relational databases, and multi-region services. Improve developer experience through APIs, CLI tooling, and clear error handling, while participating in on-call and diagnosing production performance and reliability issues.

Design, develop, and maintain scalable backend systems for fintech products. Build REST APIs and microservices supporting card payments, treasury management, transaction booking, and crypto liquidity. Work primarily with Java, PostgreSQL, and Spring Boot while applying clean code, TDD, DDD, and CI/CD practices. Contribute to greenfield development and improvements to existing systems, collaborating with a high-performing team to deliver secure, maintainable solutions.

Develop Java applications that generate network configurations for Ethernet/IP infrastructure supporting Motorola Solutions’ public safety systems. Responsibilities include applying object-oriented programming principles, collaborating within small Scrum teams, and helping internal users configure customer networks. The role is based in Krakow with two office days per week and includes coaching, training, and development opportunities.

Design and implement robust Rust and C++ services and libraries for trading, payments, and cryptocurrency systems. Build scalable, low-latency distributed systems, network services, and asynchronous applications supporting revenue-critical infrastructure. Collaborate with product and engineering teams, debug across the operating system, network, and application layers, and take end-to-end ownership of reliable, secure, and high-performance systems.

Develop and lead full-stack user interface features for Elastic’s Fleet and Streams products using TypeScript, React, and Node.js. Own complex projects end-to-end, make architecture and system-design decisions, establish coding standards, conduct code reviews, and promote automated testing and deployment. Collaborate asynchronously with designers, product managers, and distributed engineering teams while improving usability, performance, scalability, security, and maintainability.

Develop and test software for video streaming services and multimedia pipelines. Work with RTSP, RTP, WebRTC, GStreamer, networking, NAT traversal, and streaming quality troubleshooting. Analyze requirements, integrate new technologies, improve products, collaborate with QA on testing, and own projects through completion. The role offers exposure to IoT, video monitoring, backend systems, and consumer technology development.

Develop and maintain automated API, integration, end-to-end, and UI test suites for cloud and edge services. Integrate testing into CI/CD pipelines, validate HTTP services and edge behavior, investigate failures, maintain test environments and data, and collaborate with developers, SRE, and support teams to deliver reliable releases.

Staff Software Engineer responsible for owning frontend platform architecture and contributing across backend services, APIs, cloud infrastructure, and distributed systems. The role leads Micro Frontend strategy, shared frameworks, component libraries, CI/CD, observability, reliability, security, accessibility, and performance initiatives. It requires cross-team technical leadership, architecture ownership, mentoring, design and code reviews, and hands-on development of scalable AI-powered legal data solutions.

Build and maintain secure onboarding forms and registration workflows using React.js and Python FastAPI. Integrate third-party APIs and SDKs, own development tasks through deployment, write clean and testable code, debug cloud-based systems, and collaborate across international teams. The role also involves improving system architecture, applying software engineering best practices, and using AI-assisted development tools.

Build and operate Python-based backend services, APIs, developer tools, data pipelines, and cloud-native solutions that improve software quality and developer productivity. Responsibilities include full lifecycle development, CI/CD integration, automated testing, observability, troubleshooting, technical documentation, design reviews, and on-call support. The role collaborates with engineering and platform teams to establish standards and detect, isolate, and remediate software and test failures.

Build and operate full-stack systems for an AI-powered offensive security platform. Responsibilities include developing React frontends, TypeScript APIs, Kotlin and Go backend services, deploying on AWS, designing scalable systems, optimizing databases, supporting production, and owning features from concept through deployment. The role involves close collaboration with AI and security researchers in a fast-paced remote startup.

Develop and maintain C/C++ software for Ericsson LTE/5G projects across the full product lifecycle. Responsibilities include designing features, refactoring code, implementing product improvements, improving automated testing and CI/CD workflows, documenting changes, and collaborating in an international Agile Scrum environment using JIRA.

Design and build scalable greenfield software solutions using C# and .NET Core. Create proof of concepts, shape architecture, replace legacy systems, conduct code reviews, write automated tests, and contribute to technical decisions. Collaborate with senior engineers, testers, business analysts, product owners, and Scrum Masters in agile teams. Provide technical leadership, share knowledge, and support modern cloud, distributed, and event-driven architecture initiatives.

Lead cross-team software initiatives, write critical production code, review architecture, and establish standards for reliability, scalability, security, observability, and cost. Evaluate tools, guide migrations, use AI effectively, define business success metrics, mentor engineers, participate in interviews, and maintain architecture documentation. The role requires deep TypeScript, JavaScript, Node.js, API, distributed systems, database, cloud, CI/CD, and incident-response expertise.

Design, implement, and scale Rust services and libraries for trading, payments, and crypto. Build reliable, high-performance distributed systems, collaborate on architecture, write testable async network code, and own production systems end-to-end.

Lead end-to-end delivery of backend features for Splunk’s federated query and lakehouse capabilities. Design secure, high-performance distributed systems; optimize query performance; troubleshoot production issues; conduct root cause analyses; and improve reliability. Collaborate with engineering and product teams on requirements, prototypes, milestones, risks, and roadmap planning. Mentor engineers, conduct code reviews, expand automated testing, and improve development practices and documentation.

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.

Implement and test C# and Java services for the Intelligent Middleware product, deployed on Windows and Linux. Support environment setup, maintenance, and deployment orchestration in the product lab while learning from public safety technology experts.

Build and maintain end-to-end scalable frontend and backend applications, design APIs (REST/GraphQL), implement data pipelines, optimize databases, collaborate on UI/UX, write tests, automate CI/CD, monitor production, and participate in agile processes.

Develop and operate scalable Splunk Platform components across cloud and on-premises environments. Build distributed systems, Kubernetes controllers, automation, and reliability tooling; perform implementation, debugging, testing, code reviews, monitoring, incident response, and recovery testing. Improve service health, observability, SLOs, and operational resilience while collaborating in an agile environment and mentoring junior engineers.

Build and enhance Guidewire Cloud Platform deployment services using Java, Spring Boot, AWS, Kubernetes, and Terraform. Develop deployment workflows, microservices, automated tests, CI/CD processes, and production troubleshooting capabilities. Collaborate with SRE and platform teams to improve reliability, observability, and release automation while participating in the full software development lifecycle.

Develop and support software for data logging, visualization, and processing. Responsibilities include gathering requirements, preparing designs, implementing modules, testing work products, analyzing logs and defects, supporting customers, solving engineering problems, and coordinating software project activities. The role requires C++, Python, Bash, Linux, ASAM MDF knowledge, and familiarity with automotive communication protocols such as CAN, Ethernet, and LIN.

Develop and enhance software for data logging, measurement-data processing, and visualization. Responsibilities include requirements analysis, software design, module development, testing, user and product support, engineering problem solving, and coordination of software project activities. The role involves collaboration with global teams, ASAM data standards, communication protocols, quality processes, and continuous technical innovation.

Build core components of a diagnostic and personalization platform: backend data pipelines, frontends, services for genomic data ingestion, ML model integration, APIs, and cloud infrastructure. Collaborate with product and ML teams, iterate on prototypes and MVPs, and make architectural decisions supporting scalability and reliability.