Top Tech Jobs & Startup Jobs in Warsaw

Develop scalable backend services and high-volume data processing solutions for fraud detection using TypeScript, Node.js, AWS, microservices, and event-driven architecture. Collaborate with cross-functional teams, design and implement secure cloud services, maintain CI/CD pipelines, participate in code reviews, and own features through deployment, monitoring, and production support.

Lead hands-on QA automation across squads using Playwright for UI and API testing. Build scalable test frameworks, quality gates, test data and environment patterns, and reliable CI/CD pipelines. Resolve flakiness, regressions, and systemic quality issues while advising on test strategy and automation architecture. Mentor QA engineers on Playwright, CI, and responsible AI-assisted testing, and communicate quality risks to engineering and product leadership.

Prospects and qualifies Middle East security-market leads through cold calling, email, social outreach, research, and industry events. The BDR builds pipeline, meets activity targets, schedules qualified meetings and demos, maintains CRM records, collaborates on regional sales strategies, tracks industry and competitor trends, and provides feedback to marketing and product teams. The role requires Arabic fluency, UAE residence, sales or lead-generation experience, and familiarity with cybersecurity, cloud-native, or DevOps markets.

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.

Develop and maintain highly concurrent, distributed backend services for cloud communications. Design, test, optimize, and document reliable features; contribute to architecture and coding standards; diagnose performance issues; estimate development efforts; and provide on-call support. The role requires Go or Java/Spring Boot experience, enterprise-scale systems expertise, containerized applications, REST services, relational and non-relational databases, and comprehensive testing skills.

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.

Own and operate the company-wide GCP machine learning platform, including Vertex AI, Kubeflow Pipelines, GKE training and serving infrastructure, model lifecycle management, monitoring, GitOps, CI/CD, data flows, security, and cost optimization. Build self-service tooling and templates that enable data scientists to deploy models independently. Collaborate with data platform engineers and independently manage reliable, secure, and scalable production ML infrastructure.

Leads and delivers IT infrastructure, migration, standardization, security, and architecture projects. Designs, implements, administers, and monitors on-premise, cloud, and hybrid environments, internal services, networks, and critical systems. Provides second- and third-level support, improves availability, security, and performance, maintains documentation, and ensures adherence to IT security standards while collaborating with development and service teams.

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.

Create clear, accessible product content for complex public safety applications. Write UI copy, onboarding flows, navigation, notifications, error messages, and microcopy; define tone and content standards; collaborate with designers, researchers, product managers, accessibility specialists, and engineers; test and refine language through user research; and contribute content patterns to design systems while developing expertise in the UK public safety domain.