Top Software Engineer Jobs in Krakow

Design, develop, and maintain scalable, secure backend systems for fintech products. Build REST APIs and microservices supporting payments, treasury management, transaction booking, and crypto liquidity. Contribute to greenfield development and existing system improvements using Java, PostgreSQL, and Spring Boot. Apply clean code, TDD, DDD, and continuous integration and delivery while collaborating with a high-performing team.

Design, build, and deploy LLM-based autonomous security agents and self-healing remediation pipelines. Integrate AI security tooling into CI/CD, automate vulnerability research, testing, and patch deployment, and create real-time threat mitigation via WAF/service-mesh rule updates and orchestration across security scanners.

Design and develop distributed C#/.NET backend services, secure REST APIs, data models, cloud-native infrastructure, and enterprise integrations. Ensure quality through unit and integration testing, code reviews, troubleshooting, and architectural planning. Mentor junior engineers and optimize highly available systems and database performance.

Design and develop responsive web applications with React, JavaScript, and TypeScript. Build reusable UI components, integrate REST APIs, collaborate with UX designers, optimize performance, resolve defects, and participate in Agile planning, code reviews, and architecture discussions. Contribute to development standards and best practices for cloud-native enterprise applications.

Work on Servicing International to build purchase protection (disputes/refunds) and agent tooling. Implement web UIs and scalable APIs, collaborate with global teams, participate in on-call rotation, and deliver well-tested, maintainable code.

Design and develop software solutions for AI/ML applications, propose new approaches to optimization problems, and collaborate with global teams in research and development.

Build and maintain scalable backend services and APIs for an access control platform that connects cloud software to physical controllers and devices. Work across the full stack (backend-leaning), integrate with device communication/firmware flows, write tests, participate in deployment and monitoring, and collaborate with product, hardware, and other engineering teams.

Design, implement and maintain backend services for a digital banking platform. Own full lifecycle delivery within a cross-functional team, collaborate with architects and QA, ensure security, performance and scalability, work with microservices, relational databases, integration patterns, and support frontend tasks as needed.

Build and maintain Alarm.com’s iOS app: implement Swift/SwiftUI features, integrate real-time video streaming (RTSP/WebRTC/AVFoundation), connect backend APIs, collaborate across iOS, backend, QA, and product teams, and contribute to architecture and adoption of new iOS technologies.

Work on backend and on-device automation features (rules, schedules, scenes) for Alarm.com's Home Automation team. Deliver end-to-end features, own technical designs, build HTTP APIs/services, optimize data and edge computing infrastructure, collaborate with product and QA, and apply testing and CI/CD practices.

Build and maintain Android features for a large-scale mobile app including real-time video streaming, IoT device controls, and secure backend integrations. Participate across the full lifecycle, design performant UIs, apply Android media frameworks and asynchronous patterns, research new technologies, and collaborate with cross-functional teams.

Own quarterly engineering goals for the Recoveries team, delivering scalable backend systems that maximize charged-off loan recovery and reconcile partner discrepancies. Lead engineers through ambiguous problems, collaborate with product, design, analytics, and risk stakeholders, and ensure operational reliability through metrics, monitoring, on-call support, and failure handling. Establish quality standards, guide technical design and implementation, contribute to large codebases, and mentor engineers through feedback and technical leadership.

Build and deliver education-focused Autodesk product experiences across backend services, APIs, integrations, automation, experimentation, and user-facing features. Develop production-quality code, integrate ML/AI solutions, create CAD platform plugins or SDKs, maintain CI/CD and containerized deployments, and support observability and reliability. Collaborate with product, design, research, frontend, ML, and platform teams to turn ambiguous concepts into shipped features. Document systems, participate in reviews, and promote maintainable engineering practices.

Design, develop, test and maintain simulators and tools for public-safety communication systems. Integrate solutions with test environments, support external teams, and perform requirements analysis and scope definition. Work in Agile/SCRUM teams.

Join Arista Networks' SONiC team to develop features for large data center networks, write specifications, fix problems, and collaborate with engineers.

Lead frontend development for the Entitlements platform, owning full SDLC. Design scalable, secure systems, mentor engineers, integrate with backend microservices, and advance LLM-based assistants and personalization using OpenAI/ML models.

Lead design and delivery of Entitlements features for high-traffic digital banking products. Own full SDLC, improve architecture and integrations, mentor engineers, and build LLM-based assistants and personalization engines while ensuring security, scalability, and resilience.

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.

Build and maintain the core App Shell and services for a micro-frontend ecosystem. Implement backend Java microservices and React/TypeScript front-end shells, migrate legacy .NET apps, create cloud-native infrastructure with Terraform, and maintain CI/CD pipelines (Jenkins, GitHub Actions). Ensure code quality with JUnit and Jest/Vitest/Playwright, define integration strategies, and mentor junior engineers.

Design, develop, test, and maintain scalable SAP-based backend services and Fiori UIs. Drive technical design and architecture, estimate effort, mentor peers, perform code reviews, troubleshoot and tune SAP services (FI/CO, SD, MM), write specifications and tests, and support deployments and occasional off-hours support in an Agile environment.

Lead design and delivery of scalable, secure SaaS features for an AI-powered Invoice-to-Cash platform. Own features end-to-end, use AI-accelerated tools, drive technical design, mentor engineers, ensure observability, CI/CD, testing, and enterprise-grade performance and reliability.

Design, implement, and operate highly available, scalable data streaming platform components. Build DevOps tools, automate operational tasks, and improve pipeline observability. Support and integrate FedRAMP, GDPR, and SOX compliance for streaming services while collaborating with product teams to meet high availability and performance SLOs.

Develop and maintain software applications and development/testing tools within a public safety telecommunications team. The role involves Java backend and frontend development, Agile collaboration, and work with Linux and virtualization platforms. Interns will learn from experienced engineers while contributing to real-time software development for APCO-25 standards-based communication infrastructure. The position requires at least 24 hours per week, a minimum one-year commitment, and two office days weekly in Krakow.

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 and build agentic AI systems, MCP integrations, multi-agent workflows, orchestration layers, and AI SDLC automation. Evaluate emerging models and frameworks through prototypes, benchmarks, and technical research. Collaborate with product teams, architects, and clients to define solutions, explain trade-offs, and guide AI tool adoption. Own end-to-end delivery of scalable AI systems while researching production integrations, vector databases, RAG, embeddings, and model customization.