Top Tech Jobs & Startup Jobs in Bucharest

Lead architecture and implementation of scalable full-stack features using NestJS and Next.js, integrate LangChain-driven AI, manage PostgreSQL schemas and performance, build responsive UIs with Tailwind CSS, implement authentication with Clerk, and ensure reliability with Puppeteer-based testing and automation.

Support end-to-end paid user acquisition: execute and scale campaigns across major ad platforms, implement and monitor tracking, run creative tests, analyze performance (CPA/ROAS/retention), maintain dashboards, and assist cross-functional teams to improve funnel conversions.

Lead and own Agent0: co-own roadmap with Product, hire and grow a senior AI engineering team, drive delivery of production-grade agentic AI, set evaluation and monitoring standards, prototype innovations, and provide thought leadership on AI production excellence.

Design and implement execution primitives for AI/agent workflows in Kestra's Java core, build and maintain plugins to connect LLM providers and agent frameworks, convert agent use cases into reusable blueprints with product, and ensure AI executions are observable, debuggable, correct, and reliable.

Lead design and delivery of leadership, manager, and talent development programs at a scaling AI company. Partner with HRBPs and senior leaders to build onboarding, succession, high-potential, and manager enablement frameworks from the ground up, balancing strategy and execution and driving organizational capability.

Lead the European Strategic Accounts portfolio for pure player key accounts, driving sales, margin, and profitability. Translate sell-through and market insights into assortment, inventory, and in-season actions. Own seasonal Go-To-Market processes and collaborate cross-functionally (Sales, Planning, Supply Chain, Marketing). Build, develop, and inspire a high-performing team while ensuring operational efficiency and data-driven decision making.

Build and maintain a globally performant, fault-tolerant microservices-based Data Integration platform on AWS. Contribute to architecture improvements, implement backend services using Java and the Spring ecosystem, follow TDD and CI/CD practices, collaborate in a scrum team, and ensure high availability and zero message loss for production data pipelines.

Lead EMEA sales growth for CTV and omnichannel programmatic solutions. Build multi-market pipeline, manage agency and brand relationships, close complex deals, shape go-to-market positioning, and collaborate with Product, Marketing, Customer Success, and AdOps.

Design, build, ship, and maintain end-to-end product features across frontend, backend, and data layers. Own projects from definition through production, improve reliability and scalability, collaborate with product and design, mentor engineers, and engage with customers to solve real user problems.

Operate and scale IT systems with a focus on identity and access management, macOS endpoint lifecycle, SaaS governance, and automation. Build secure automations, provide L1/L2 support, maintain documentation and runbooks, and support security and compliance activities (SOC 2, ISO 27001). Partner with People, Finance, and engineering to improve onboarding/offboarding and operational reliability.