Top Tech Jobs & Startup Jobs in Budapest

Lead and grow the Integrations engineering team that connects Yuno to PSPs, acquirers, and gateways. Provide technical and people leadership, set architecture and API standards, contribute hands-on to backend development, ensure scalability, reliability, security, and cross-functional alignment with Product and Payments teams while mentoring engineers and driving engineering best practices.

The Software Development Engineer I will design and implement microservices, improve system performance, and mentor junior engineers. Responsibilities include coding, debugging, and developing features from design to deployment in a remote setting.

Design and build scalable, production-grade backend systems and infrastructure. Work with Node.js, SQL/NoSQL databases, cloud platforms, and microservices. Solve complex problems, ensure security and performance, and produce clean, maintainable code. Collaborate with engineers on distributed systems and high-scale data processing.

Support MES-to-PLC integrations, configure communications, integrate MES routines into PLCs, maintain PLC tags/logic, troubleshoot PLC/HMI/network issues, ensure accurate real-time production reporting, assist production teams with launches, upgrades, audits, and continuous improvement to optimize manufacturing execution and data integrity.

Design, implement, and document advanced GNSS correction and user-positioning algorithms (PPP/RTK/SSR), lead cross-cutting technical projects, drive engineering best practices, mentor engineers, and own feature lifecycle from prototyping through production for Swift's Skylark corrections engine.

Lead and architect end-to-end QA automation for a distributed data SaaS platform: build scalable frameworks, embed tests in CI/CD, drive integration/API/performance/data-integrity testing, eradicate flaky tests, mentor engineers, own release quality sign-off, collaborate across product and engineering, and apply AI tools to accelerate testing and optimize QA metrics.

Owner of messaging, content, and sales enablement for Comet and Opik targeted at LLM engineers, ML researchers, and data scientists. Produce customer-facing collateral, blog and long-form content, partner messaging, demo assets, and represent Comet at events. Work cross-functionally with Product, Sales, and Community Engineering to drive growth and enable technical sales.

Design and implement user-facing iOS features, build scalable mobile architecture, collaborate with Product and Design, ensure high-quality tested releases, improve app performance and reliability, and take ownership of shipped features in a remote, fast-moving startup.

Lead and evolve Chess.com’s creative vision and visual identity across marketing, product, and brand. Design and art direct major campaigns, launches, and performance marketing; mentor and grow the creative team; partner with Product, Marketing, Partnerships, and Content to translate strategy into compelling multi-channel creative; advance brand guidelines and design systems; manage creative resourcing and asset pipelines to deliver work that builds brand equity and drives measurable business growth.

Build and maintain the open-source Cosmo Router in Go: develop performant, low-GC code, work on AST transformations and compiler backends, add data source support (gRPC, OpenAPI, SOAP), improve batching and telemetry, run penetration tests, troubleshoot with customers, review and accept OSS contributions.