Top Tech Jobs & Startup Jobs in Portugal

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.

The Data Steward will document data lineage, ensure data quality, and collaborate with teams to manage and optimize data assets effectively.

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.

Lead high-volume recruitment for Lisbon call centers (French/German teams), manage onboarding, payroll administration, employee relations, and day-to-day onsite HR and office operations to support staff engagement and legal compliance under Portuguese labor law.

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.

Lead strategy, roadmap, and execution for blockchain/Web3 products. Define product vision, prioritize opportunities, work with engineering and design, engage customers, translate blockchain tech into user value, set success metrics, mentor product managers, and drive cross-functional delivery from concept to launch.