Top Tech Jobs & Startup Jobs in Hungary

Design, build, and own scalable backend systems, APIs, and infrastructure for high-trust environments. Maintain hands-on coding involvement while driving testing, quality, maintainability, and technical culture. Solve complex product challenges with a user-first mindset, collaborate clearly, and operate effectively in ambiguity. Experience with the listed technology stack is beneficial but not required; AI feature and product analytics experience is a bonus.

Develop a highly optimized, open-source AI inference framework using low-level C/C++/Rust software, GPU kernels, hardware offloads, and RDMA networking. The role focuses on Linux systems, network performance, computer architecture, scalability, benchmarking, and high-performance computing across large data centers and supercomputers.

Architects and implements data pipelines, platforms, and warehouses on Google Cloud. Provides technical consulting, training, presales support, and proof-of-concept delivery for clients. Leads and mentors data engineering teams, guides cloud adoption, manages stakeholders, supports agile practices, and owns end-to-end development lifecycles. Requires strong coding, GCP, BigQuery, Kubernetes, Airflow, dbt, and agentic AI experience, plus English and Hungarian communication skills.

Support Web3 users and technical operations across Telegram, Discord, blockchain infrastructure, RPC services, and AI-powered support workflows. Triage node and synchronization issues, develop and troubleshoot Telegram Bots and Mini Apps, maintain knowledge-base content, coordinate urgent issue resolution, and document solutions. The role requires blockchain fundamentals, programming ability, technical troubleshooting, responsive communication, and five-day weekly availability.

Develop modernization roadmaps for mainframe applications, considering cost and risk. Design software frameworks, systems, interfaces, and prototypes; provide technical leadership through code and design reviews; align architecture with business requirements; and document application design, integration, testing, and architecture processes. The role requires large-scale transformation architecture experience and knowledge of hardware, software, platform connectivity, and mainframe environments, with z/OS experience preferred.

Designs, builds, and supports custom industrial IoT integrations connecting PLCs, sensors, CNC machines, and customer OT/IT systems to Factbird. Responsibilities include feasibility analysis, integration design, PLC and protocol work, hardware bench testing, live production troubleshooting, root cause analysis, documentation, commissioning, process improvement, and technical customer support. The role also shares expertise with internal teams and contributes recurring solutions to product development.

Owns global procurement and supply-chain contracting, including drafting, reviewing, and negotiating supplier agreements across multiple jurisdictions. Advises sourcing, manufacturing, engineering, operations, quality, and legal stakeholders on contractual and commercial risks. Develops contract templates, negotiation playbooks, and contracting processes while supporting the full supplier lifecycle, from supplier selection and RFQs through amendments, disputes, and termination.

Work directly with customers through technical evaluations, implementation, production, and ongoing support. Lead customer calls, pairing sessions, and technical deep dives; build integrations, debug APIs and production systems, and ship full-stack product improvements. Translate customer needs into lasting product solutions, communicate clearly, manage multiple priorities, and influence the product roadmap through customer feedback.

Own enterprise sales and business development across Turkey, targeting financial institutions, digital wallets, and brokerage firms. Build C-level relationships, develop go-to-market strategies, negotiate complex commercial agreements, and represent partner needs internally across Product, Engineering, and Legal. The role requires deep financial services or fintech sales experience, strong executive communication, CRM proficiency, and regional international travel.

Own and optimize interconnected go-to-market systems including Salesforce, HubSpot, DealHub CPQ, and sales and marketing tools. Build automations, integrations, self-service solutions, and small tools; improve data quality; maintain reliable APIs and workflows; support EMEA users; document changes; and manage sandbox-to-production releases. The role requires strong Salesforce administration and development skills, systems thinking, scripting ability, and effective collaboration with business and engineering teams.