Top Tech Jobs & Startup Jobs in Budapest

Provide administrative and financial support to project management teams: process project documentation and commitments, obtain quotes, coordinate change orders, schedule meetings, assist contract administration, enter project data into PMIS, process invoices and pay applications, assist closeout and financial reconciliations, and follow established procedures under close supervision.

Lead pre- and post-contract cost management including estimating, cost planning, procurement and tendering, contract administration, valuations, cost reporting, cost risk analysis, value engineering, and stakeholder interfacing across facilities such as data centers, life sciences, healthcare and real estate.

Create and own the full art pipeline for mobile puzzle games: concept, 2D assets, UI, animations, and ad creatives. Collaborate with designers, developers and producers to build and iterate interfaces and visuals in Unity, maintaining consistent style across the product.

Design, train, and improve computer-vision and generative ML models; handle end-to-end ML pipeline from data collection to deployment; prototype research ideas and convert successful prototypes into product-ready solutions; optimize models for efficient on-device inference and collaborate with product teams to integrate models.

Design, operate, and optimize high-scale PostgreSQL/Aurora databases for payments. Implement partitioning, advanced indexing, query tuning, and reliability practices. Work with analytics stacks (ClickHouse/Tinybird), search (OpenSearch), and data pipelines to support transactional and analytical use cases, migrations, and incident response.

Analyze billing and support performance, build and maintain data pipelines, apply statistical forecasting and A/B testing, collaborate cross-functionally, document analyses, and provide recommendations to reduce financial risk, disputes, churn, and operational inefficiencies.

Lead the billing analytics function: build and maintain billing data pipelines and dashboards, analyze payments/renewals/refunds/disputes, run experiments and forecasting, reduce churn and disputes, and manage/mentor a team of analysts while partnering with Billing, Support, Finance, Product, and Marketing.

Own web QA across website, checkout, and B2B product. Design and build test infrastructure, define coverage strategy, and run regression, smoke, end-to-end, and integration tests. Implement web test automation (Playwright/Selenium), API testing (Postman), integrate tests into CI/CD, investigate root causes, file actionable Jira/X-ray tickets, and apply AI tooling where useful. Perform manual testing when needed and collaborate with product, developers, and design.

Manage end-to-end mobile paid social campaigns across Meta, TikTok, Pinterest, X and Snap; scale seven-figure budgets, run creative A/B tests, analyze CPI/CPA/ROAS/LTV, optimize attribution and Web2App funnels, collaborate with BI using AppsFlyer/Adjust and Tableau/Looker, and leverage AI to automate and improve performance.

The role involves building creative tools for content editing, enhancing features with PixiJS and WebGL, and improving collaboration workflows.

Design and implement a video processing engine, develop a cross-platform rendering engine, integrate systems, and optimize performance while collaborating with other engineers.

The Data/BI Engineer will build and maintain data pipelines, create dashboards in Looker, and unlock insights from data to support business decisions.

The PR Lead will design and execute the PR strategy, building media relationships, generating coverage, managing press activities, and advising leadership on media interactions in a fast-paced environment.

Design, build, evaluate, and deploy LLM-driven features and AI systems. Collaborate with engineering and product teams to implement RAG, monitoring, CI/CD, and scalable cloud ML deployments while continuously improving model performance.

The Senior Slot Game Designer will lead the creation of slot game concepts, ensuring mathematical accuracy, player engagement, and commercial success through close collaboration across teams.