Top Tech Jobs & Startup Jobs in Warsaw

Own technical customer relationships throughout the lifecycle, from discovery and proof of concept through onboarding, deployment, adoption, and expansion. Partner with sales on solution design, demonstrations, technical discovery, upselling, and customer acquisition. Advise technical stakeholders, support cloud and network architectures, coordinate onboarding and troubleshooting, create enablement materials, communicate customer needs to product teams, and provide competitive technical insights.

Support the founders across project execution, product research, customer feedback, commercial and influencer work, operations, marketing, and executive assistance. Own projects end to end, improve processes and dashboards, coordinate meetings and follow-ups, anticipate needs, remove blockers, and help ensure projects are delivered on time with clear communication and documentation.

Leads technical architecture and long-term platform evolution across six engineering squads. Responsibilities include improving performance, reliability, scalability, code quality, testing, CI/CD, and observability; guiding domain boundaries and event-driven architecture; conducting design and code reviews; driving refactoring and monolith decomposition; mentoring engineers; and representing the organization in company-wide technical initiatives.

Lead end-to-end annotation projects: define workflows, coordinate teams (annotators, reviewers, experts), track progress and quality via dashboards, manage launches and phase transitions, pilot tooling and methodology improvements, and build scalable operational systems and documentation to support annotator community and cross-functional alignment.

The Principal Engineer will lead the design and delivery of core platform capabilities, focusing on scalable systems, AI application, and mentoring engineers while driving architectural decisions and improving operational systems.

Build and operate scalable AWS cloud infrastructure centered on Amazon EKS, networking, infrastructure-as-code, and self-hosted services. Automate shard deployments, implement Terraform guardrails and secure ingress, support multi-region growth, and meet reliability, disaster recovery, compliance, and security requirements. Partner cross-functionally, troubleshoot application and infrastructure issues, participate in on-call and incident response, and use AI tools to improve engineering workflows.

Own end-to-end product and operational analytics for AI-powered and conventional automation features. Analyze workflows, logs, transcripts, and generated outputs to identify failures, quality degradation, adoption patterns, and business impact. Design AI evaluations, human review processes, monitoring, dashboards, and experiments, then translate findings into product and engineering improvements. Partner with Product, Engineering, Clinical, MedOps, and Legal in an ambiguous, fast-moving medical technology environment.

Manage and optimize mobile programmatic advertising campaigns toward CPA, ROAS, and retention goals. Responsibilities include bid, budget, publisher, audience, creative, geographic, and pacing optimization; A/B testing; SQL-based campaign analysis; dashboard and reporting support; LLM-assisted diagnostics; and mobile attribution analysis. The role collaborates with customer success, product support, and supply teams while supporting client reporting and QBR preparation.

Drive European growth for electrical calibration, RF measurement, calibration software, and precision instrumentation solutions. Support distributors and key accounts through technical demonstrations, application guidance, training, installations, and complex sales cycles. Lead new product introductions, identify market opportunities, gather customer and competitive insights, contribute to product strategy, and build relationships with metrology institutes, calibration laboratories, semiconductor, aerospace, defense, chemical, and pharmaceutical organizations.

Work closely with company founders to execute go-to-market strategies, improve operational processes, grow client and partner communities, and implement AI-driven solutions. The role involves managing go-to-market pipelines end to end, coordinating cross-functional initiatives, and adapting within a fast-paced startup environment.