Top Tech Jobs & Startup Jobs in Warsaw

Provides Tier 1 technical support for Optro’s SaaS platform through email, live chat, and video sessions. Troubleshoots client issues, explains product functionality, collaborates with engineering and product teams on escalations, uses AI tools and knowledge bases to improve response efficiency, and identifies customer feedback trends. The role requires 3+ years of SaaS or technology support experience, advanced English, residence in Warsaw or Krakow, and availability for USA weekday hours.

Acquires, negotiates with, and manages strategic B2B partners across fintech and payments. The role owns partnership economics, oversees technical integrations with product and technology teams, enables joint sales efforts, supports partner training, expands regional market reach, and represents the company at industry events. Success requires commercial expertise, partnership lifecycle experience, API fluency, strong negotiation skills, cross-cultural collaboration, and willingness to travel.

Identify and research prospects, conduct outreach through email, phone, and LinkedIn, qualify leads, schedule discovery calls and demos for Account Executives, and maintain accurate CRM records. The role partners with sales and marketing to build a predictable pipeline for an enterprise AI platform and offers growth toward Account Executive or Customer Success positions.

Leads multi-team data engineering across AWS data lakes, warehouses, analytics engineering, streaming, and ML platforms. Owns platform strategy, reliability, security, governance, cost efficiency, data quality, MLOps, and engineering standards. Manages managers and senior individual contributors, develops talent, establishes delivery priorities, and partners with product, platform, customer, and external teams to deliver trusted data products and measurable business outcomes.

Design prediction market and trading terminal interfaces, web and mobile applications, marketing creatives, and scalable design systems. Own the end-to-end design process from concepts and wireframes to production-ready experiences, collaborating with founders, product managers, and developers. Present design decisions, incorporate feedback, and improve user experience across digital products.

Deliver and maintain Trellix cybersecurity solutions for enterprise customers: deploy, integrate, configure, test, tune, troubleshoot, and operationalize EDR/XDR/NDR and related systems; produce technical documentation, SOPs, playbooks and reports; advise on incident response and threat hunting; coordinate with stakeholders and internal teams to ensure successful customer outcomes.

Provides end-to-end technical support for Sardine’s API-driven risk and payment platform. Troubleshoots customer issues involving APIs, SDKs, web technologies, cloud infrastructure, and SQL; communicates resolutions across support channels; escalates bugs to engineering; creates documentation and support tools; and advocates for customer needs and product improvements.

Senior Software Engineer to design and implement C++/Python software, accelerate workloads with CUDA, develop and maintain Linux kernel modules and system services, optimize system and GPU performance, manage Linux systems, mentor junior engineers, and integrate AI technologies across products.

Staff Software Engineer responsible for designing, building, and operating distributed market data systems. The role focuses on real-time blockchain data ingestion, streaming, normalization, storage, APIs, reliability, data correctness, observability, incident recovery, and production support. The engineer will lead technical decisions, mentor teammates, translate ambiguous requirements into designs, and use AI-assisted development throughout the software lifecycle.

Manage a portfolio of B2B energy-sector customers, serving as their primary contact for platform, data, and API questions. Provide first-level support, onboarding, training, knowledge-base content, account health tracking, QBR preparation, and product adoption support. Coordinate with technical, product, and commercial teams, contribute customer feedback to roadmap discussions, and support renewals and upsell opportunities. Success is measured through retention, account growth, and adoption.