Top Software Engineer Jobs in Poland

Design and implement cloud-based solutions, coordinate implementations, analyze needs, resolve technical issues, and maintain documentation.

As a Senior Software Engineer, you will design and implement backend services, handle large data sets, build scalable systems, and collaborate with teams to enhance AI-driven products.

The Lead Software Engineer will design, develop and implement software solutions while mentoring junior engineers and ensuring high software quality in a collaborative environment.

Join a scrum team to design, develop, test, and support enterprise Financial Instruments Life Cycle products. Write C# code, learn and work with APL, implement E2E/API/unit tests, collaborate with product and technical leads, support legacy systems, improve automation/tools, and work full-stack (SOA).

Dragonfly is seeking Software Engineers for various portfolio companies, focusing on crypto technologies. Engineers of all experience levels are needed across multiple stacks.

Seeking software engineers with at least 2 years of production backend experience, interested in crypto and blockchain technologies, for roles with portfolio companies.

As a Senior Software Engineer, you will develop CUDA Core Libraries in C++ and Python, optimizing GPU algorithms and improving developer experience across stacks through collaboration and independent project management.

Work on Percona's open-source MongoDB operational tools (primarily ClusterSync and also Backup). Build and harden a Go-based replication engine handling initial cloning and continuous change streams, ensure correctness and fault tolerance at scale, support sharded clusters, optimize performance and resource usage, and maintain CLI/HTTP APIs, metrics, logging, tests, and packaging. Collaborate openly via GitHub pull requests and JIRA.

Lead design and build complex Android features for Alarm.com's flagship app, focusing on real-time video streaming, IoT device control, and scalable architecture. Own projects end-to-end, mentor engineers, drive technical decisions, and implement performant UIs and native integrations (NDK/JNI) while collaborating with cross-functional teams.

Lead design and implementation of complex iOS features for Alarm.com's flagship app, focusing on Swift/SwiftUI development, real-time video streaming (RTSP/WebRTC/SRTP), backend integrations, architecture, mentoring, and cross-team collaboration from concept to production.

Lead backend design and delivery of home automation features (rules, schedules, scenes). Build and maintain HTTP APIs/services, databases, and infrastructure; drive architecture and code quality; mentor engineers; collaborate with product, QA, and cross-functional teams; operate and troubleshoot production systems with strong testing and observability practices.

Build and maintain high-scale, event-driven backend systems using Node.js and TypeScript on AWS. Design APIs, ensure reliability and scalability, lead end-to-end feature development, collaborate with product and engineering teams, mentor teammates, and enforce best practices in testing and security.

Build and ship intuitive frontend features for Aurora's Physical Design CAD and 3D canvas. Collaborate with product, design, and backend engineers to design, implement, test, and support production features. Improve frontend architecture, tooling, and reliability, participate in on-call rotation, and mentor peers.

Lead and execute manual, exploratory and automated tests across projects. Create test cases, perform API and UX testing, develop automation, maintain test environments, document results, verify fixes, and collaborate with product teams to improve release quality.

Develop core backend components for a blockchain network, focusing on networking, reliability, scalability, and high-quality software practices.

The role involves designing, developing, and maintaining software solutions for access control products, focusing on secure coding and collaboration within a team.

The AI Data Engineer will build and enhance data pipelines for AI initiatives, ensuring compliance, governance, and collaboration with cross-functional teams.

Lead architecture and engineering for a real-time fraud prevention platform, designing high-throughput, low-latency distributed systems, driving performance optimization, mentoring engineers, defining standards for observability and operational excellence, and partnering with product and leadership to deliver scalable fraud detection services.

Independently design, execute, and maintain manual and automated tests for web apps, APIs, AI-assisted features and data platforms. Build test plans, integrate automation into CI/CD, validate data structures and flows, log and track defects, and collaborate with cross-functional teams to improve quality and test coverage.

Design, plan and execute functional and non-functional tests for the Aras Innovator web application; create and maintain test documentation and automation, analyze requirements, report and track bugs, participate in Agile ceremonies, collaborate with developers and stakeholders, and contribute to QA process improvements.

Develop scalable solutions on the Aras Innovator platform within a cross-functional team. Collaborate on user stories and sprint planning, prototype and refine technical solutions with product architects, write high-quality code and automated tests, perform code reviews, optimize performance, and promote knowledge sharing and continuous process improvement.

Develop services and web applications for customer security in a complex environment. Responsibilities include coding, testing, and collaborating with teams on enhancements.

As a Senior Software Engineer, you will design, develop, and maintain platform services for Aras Innovator, focusing on cloud, SaaS, and hybrid environments while ensuring system stability, reliability, and performance.

Lead and implement scalable Java backend features for product-led growth: own architecture, code quality, migrations, and production deployments. Mentor teammates, align with Product/DevOps/SRE, improve automation, QA processes, and ensure platform stability while collaborating in a hybrid onsite model.

The Senior Software Engineer will develop software solutions, specialize in AI and automation, manage data handling, and support decision-making processes.