Top Tech Jobs & Startup Jobs in Hungary

Contract UX/Product Researcher to lead mixed-methods research, partner with Product/Design/Growth, coach designers, improve research ops and tooling, and democratize insights to inform strategic product decisions.

Lead DevSecOps engineer owning security and compliance implementation across infrastructure, CI/CD, Kubernetes, and cloud. Implement SOC 2/ISO controls in Drata, automate onboarding/offboarding and access reviews, drive SDLC security (SAST/SCA/secrets), run vulnerability management and incident response, and spend ~60% on infrastructure operations, monitoring, and on-call.

Lead development and productionization of TTS and voice-generation systems: train, fine-tune, evaluate models, deploy and optimize for inference, latency, scaling, monitoring, and reliability; translate research into production and define technical direction while collaborating with research, engineering, and product.

Lead end-to-end technical integrations of an AI voice-first CX platform into client infrastructure. Troubleshoot production issues (gRPC, SIP/VoIP, latency), deploy components with Kubernetes/Helm, coordinate with client DevOps/IT, manage releases and expectations, and drive architecture decisions for pilots.

Open application request: submit your resume for consideration for future roles. No specific responsibilities, qualifications, or role details provided.

Build production-grade AI and automation systems to integrate ad platforms, CRM and analytics for Performance Marketing. Ensure data accuracy by reviewing SQL and data models, create monitoring/diagnostics and human-in-the-loop decision workflows, and roll the solution out across nine markets.

Advise and handle enterprise customer support requests for PlanetScale platform, act as customer-facing SME, identify and escalate product gaps, collaborate with TAM/Engineering/Sales Engineering, and participate in on-call rotation for high-priority incidents.

Design and build scalable backend systems for PlanetScale's database platform (Vitess/Postgres), collaborate on distributed systems challenges, work autonomously and with customers, optimize performance, and mentor engineers while operating systems at production scale.

Lead indirect tax operations across Europe/AME, managing VAT, WHT and green tax compliance, registrations, reporting, and audits. Drive process and system improvements, standardization, and compliance cost optimization. Manage and develop a team (4–8), provide SAP and tax expertise, deliver trainings, liaise with stakeholders, and ensure KPIs are met.

The role involves managing customer inquiries, contract agreements, maintaining high-quality partnerships, and ensuring customer satisfaction through effective communication and service delivery.

Design, build, and optimize cloud-based Databricks data platforms and scalable ETL/streaming pipelines (Delta Lake, Spark). Collaborate with data scientists and stakeholders, troubleshoot performance, and support analytics and MLOps workflows on Azure.

Own and evolve Castle's iOS and Android SDKs. Design SDK architecture and APIs, collect reliable device and behavioral signals, maintain performance and stability, manage builds/CI/CD, and ensure resilience against tampering across many devices and OS versions.

Own device fingerprinting end-to-end: design client-side signal collection in browsers, build server-side matching and clustering algorithms robust to drift and adversarial manipulation, measure fingerprint quality and stability, detect manipulated fingerprints, and ensure performant, resilient production systems.

Design and operate real-time bot and fraud detection systems that are maintainable, observable, low-latency, and robust to adversarial change. Prioritize clarity, reduce rule sprawl, balance ML and deterministic approaches, and minimize false positives while handling high-volume traffic.

Lead end-to-end certification for autonomous navigation: author technical dossiers for class approvals, run FMEA/HAZID/HAZOP, map SOLAS/COLREG/IACS requirements into design and JIRA, analyze sea-trial data to build equivalent-safety cases, and maintain live fleet certification across releases.