Top Tech Jobs & Startup Jobs in Poland

Develop and maintain scalable full-stack applications using C#, .NET, Angular, and SQL Server. Design RESTful APIs and integrations with internal and third-party systems, ensuring security, performance, reliability, and data consistency. Write unit tests and technical documentation, estimate work, manage deadlines, and participate in Scrum ceremonies. Contribute to architectural decisions, continuous improvement, and AI-oriented development practices.

Maintain and support highly available payment applications across development, test, and production environments. Monitor systems, investigate and resolve incidents, create monitoring scripts, automate manual processes, manage CI/CD pipelines, deploy releases, collaborate on architecture and product development, support production outside standard hours, and coordinate with development, infrastructure, security, and third-party teams to maintain service stability and operational SLAs.

Designs and leads modernization of enterprise network infrastructure across LAN, WAN, VPN, wireless, NAC, proxy, firewall, cloud interconnect, and hybrid environments. Responsibilities include infrastructure assessments, future-state architecture, transformation roadmaps, technical designs, stakeholder workshops, risk analysis, business cases, procurement support, and architecture assurance. The role advises international clients and senior stakeholders while aligning network capabilities with cloud adoption, security, Zero Trust, and broader modernization objectives.

Architect and implement Snowflake-based cloud data warehouses, lakehouses, analytics platforms, and AI solutions. Define governance, security, performance, cost, and AI-agent development practices; integrate Snowflake with cloud, streaming, lakehouse, ML, and visualization ecosystems. Lead modernization, migration, proof-of-concept, and pre-sales activities while collaborating with multidisciplinary teams and translating client needs into scalable technical solutions.

Supports AI and machine learning infrastructure under senior guidance. Responsibilities include coding and deployment automation, provisioning cloud and on-premises GPU resources, deploying models and data pipelines, maintaining Docker, Kubernetes, and CI/CD environments, monitoring infrastructure and model performance, troubleshooting technical issues, and documenting processes.

Supports engineering program operations through planning, timeline and milestone tracking, risk and issue management, documentation control, meeting coordination, stakeholder follow-up, reporting, and supply chain/AIT coordination. The role helps maintain project visibility, identify dependencies and bottlenecks, improve workflows, and support the Engineering Operations Lead across a space and defense hardware R&D environment.

Lead the design, analysis, testing, qualification, production readiness, and on-orbit support of Hall Effect Thruster propulsion subsystems. Own architectures covering feed systems, tanks, PPUs, valves, harnesses, and power interfaces. Conduct thermal, plasma, and plume modeling; operate ground facilities; manage qualification campaigns; coordinate suppliers; investigate anomalies; and maintain technical documentation.

The Security Engineer manages vulnerability scanning and remediation across cloud, platforms, containers, applications, endpoints, and SaaS. They secure Azure and Kubernetes environments, establish hardening standards, review infrastructure-as-code and architecture changes, integrate security checks into delivery pipelines, perform ISO 27001 control testing, maintain audit evidence, and develop AI-assisted security workflows. The role also contributes to security roadmap planning and collaborates with Engineering, SRE, and IT.

Lead Canonical’s content marketing team by developing strategy, managing content calendars, maintaining quality and brand consistency, optimizing content for SEO and AI engines, and aligning messaging across campaigns. The role includes content planning, KPI reporting, process improvement, team coaching, capacity planning, and cross-functional collaboration with marketing, product, brand, web, and growth engineering teams.

Manage global corporate tax, VAT, tax provisioning, transfer pricing, tax reporting, audits, and regulatory monitoring across multinational entities. Build scalable tax processes and controls, collaborate with external advisers and cross-functional teams, and use technology to improve tax data management and automation. The role reports to the CFO and supports global expansion in a distributed technology company.

Designs accessible, sustainable, and compliant learning experiences for R&D Clinical Operations. Responsibilities include needs analysis, instructional design, blended learning development, stakeholder and SME management, learning technology deployment, evaluation analysis, project execution, engagement campaigns, LMS tracking, and mentoring team members. The role ensures alignment with GxP requirements and supports onboarding, learning events, and continuous improvement initiatives.

Owns end-to-end CRM campaigns across email, push, in-app banners, and stories using Braze. Responsibilities include audience segmentation, personalization, testing, channel orchestration, campaign calendar management, localization and compliance coordination, pre-send QA, and performance reporting. The role turns retention, monetization, and lifecycle strategies into multi-market customer journeys and uses results to improve campaign effectiveness.

Build and maintain full-stack sourcing products with a backend focus, including domain models, APIs, event-driven services, data pipelines, and ERP integrations. Design features end to end, review and improve AI-generated code, ensure system quality, adapt across product areas, document decisions, and mentor engineers. Work with product managers, designers, frontend engineers, and QA to deliver reliable production software.

Build and ship full-stack sourcing products with a backend focus, including domain models, APIs, event-driven services, data pipelines, and ERP or procurement integrations. Collaborate with product, design, frontend, and QA teams; review AI-generated code; ensure system quality, type safety, and reliability; adapt across product areas; document technical decisions; and mentor engineers.

Develop and execute automated and manual functional tests within agile teams delivering public-sector applications. Create front-end and back-end test automation, improve testing processes, work in continuous integration environments, and perform non-functional testing. Collaborate with clients and communicate technical details to non-technical audiences while using cloud architecture, version control, and testing tools.