Top Software Engineer Jobs in Krakow

As a Software Engineer, you will implement and maintain scalable, reliable components for the Akamai Inference Cloud platform, focusing on cloud-native technologies, distributed systems, and API development.

Build, deploy, and maintain scalable, secure SaaS features for BlackLine’s AI-powered Invoice-to-Cash platform. The role involves using AI-assisted development tools, contributing to technical design, writing tested code, collaborating with product and engineering teams, and ensuring enterprise-grade performance, reliability, security, and observability. Engineers will work with modern software practices, cloud-native technologies, CI/CD, infrastructure-as-code, and microservices while learning from senior engineers and architects.

Design and build LLM-based autonomous security agents and self-healing remediation pipelines. Integrate AI-driven threat detection into CI/CD and GitOps workflows, automate vulnerability research, patching, and security orchestration across cloud-native infrastructure.

Lead SAP-focused engineering to design, develop, and integrate ABAP-based solutions between SAP (S/4HANA/ECC) and BlackLine Cloud. Provide technical architecture, troubleshooting, performance tuning, documentation, testing, release support, mentoring, and act as Scrum Master while ensuring high code quality and aligning product and stakeholder requirements.

Lead SAP ABAP development and integration of BlackLine applications with SAP Cloud. Design, develop, test, tune, and maintain scalable ABAP solutions (S/4HANA, ECC). Serve as technical lead, mentor junior developers, perform releases and off-hours support, collaborate with product and engineering teams, and document technical specifications and test plans.

Founding Staff Engineer to design and implement scalable, secure SaaS architecture, champion AI-accelerated development, deliver high-impact features, collaborate on product roadmaps, and mentor engineering team members to establish best practices.

Design and develop scalable, high-quality backend systems for traffic automated road closure detection, handling the full software development lifecycle.

As a Software Engineer in Infrastructure Reliability, you'll build distributed systems that enhance platform reliability, implement traffic control mechanisms, and develop monitoring tools, working closely with diverse teams.

Design, build, and operate low-latency, strongly consistent distributed database systems. Implement replication, consensus, caching, and performance improvements. Run and maintain production services including on-call rotation, collaborate on roadmaps and system designs, and write performance-critical code in systems languages.

Build and maintain backend Collections platform to manage delinquent loans, develop recovery strategies, ensure high availability and reliability, implement monitoring and metrics, support operations and on-call, collaborate with product, risk, design and analytics, write well-tested extensible code, perform code reviews and debugging, and participate in team growth activities.

The Infrastructure Software Engineer will build and optimize systems managing vast data, collaborate with teams for reliability, and handle operational issues.

Join the Collections backend team to design, build, and maintain scalable, highly available systems that manage delinquent loans and recovery strategies. Collaborate with product, risk, and engineering teams to implement reliable, well-tested backend solutions, debug large codebases, and contribute to team growth and operational excellence.

The Senior Infrastructure Software Engineer will build scalable systems, manage large data, and innovate solutions for performance and reliability, impacting millions of users.

Design, implement and test 5G RAN baseband scheduler (UPC) features across full lifecycle. Contribute to architecture, improve scheduling software quality, implement backlog items, collaborate with architects, and support customer/live-network feedback.

Join Ericsson as an intern in RAN Traffic Control to develop and support 5G Radio Access Network software. Participate in the full software lifecycle—study, coding, testing, documentation—troubleshoot issues, reproduce faults, manage configurations, and explore AI/ML solutions to improve operations while being mentored by experienced engineers.

Build end-to-end full-stack AI features on a Ruby on Rails backend and React frontend, including LLM inference infrastructure, RAG, AI agents, and evaluation/observability. Design and run experiments (A/B tests), optimize systems for production performance and reliability, and iterate rapidly with product and design partners.

Build and evolve Circle Discover marketplace features: high-converting purchasing flows, algorithmic recommendations, content feeds, and listings. Work across a Ruby on Rails backend and React/Next.js front-ends, optimize performance and SSR/SSG, collaborate with designers and leaders, and improve codebase quality while shipping at pace in a distributed remote team.

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

Develop systems for monitoring and predicting flight trajectories in aviation and defense. Create and deploy features tackling real-world optimization problems using a modern tech stack.

Build scalable backend systems and data pipelines to power consumer credit reporting. Partner with Product, Compliance, Servicing, and Credit teams to design robust reporting systems, ensure operational availability, monitor metrics, support on-call, write well-tested code, debug large codebases, and contribute to team growth and hiring efforts.

Develop and enhance 5G Radio Access Network User Plane Control software for Ericsson baseband products. Participate in design, implementation, testing, customer feedback, and backlog delivery. Improve scheduling software quality, collaborate with architects on system design, and provide technical leadership. The role requires C/C++ embedded development, analytical problem-solving, teamwork, English communication, and familiarity with AI-assisted development tools. Knowledge of 5G, LTE, and 3GPP standards is advantageous.

As a Software Engineer Intern, you will support the HFS team with transformation initiatives, focus on product upgrades, platform modernization, and utilize a variety of technologies while participating in Scrum ceremonies and technical documentation.

Develop and maintain the Engage healthcare solution across backend, web, mobile, and desktop. Design REST APIs, event-driven integrations, and data access. Diagnose production issues, modernize architecture and tests, maintain Windows desktop app, and use AI assistants in daily development while collaborating in a remote scrum team.

Design, develop, and maintain software solutions integrating Generative AI and LLMs. Build backend services in Python, contribute front-end components, and implement cloud solutions on GCP/Vertex AI. Participate in full development lifecycle, collaborate with engineers and data scientists, explore generative AI applications, and support production deployments.

Design, build, test, and deploy components of Akamai's Cloud Load Balancer and cloud-networking products. Collaborate with global teams to produce high-quality, scalable software, share best practices, and leverage LLMs to accelerate development and debugging.