Top Tech Jobs & Startup Jobs in Lisbon

Own Roamless's web products end-to-end: set roadmap, run discovery and user interviews, partner with engineering/design/data to deliver iteratively, define success metrics and A/B tests, and work with marketing on positioning and adoption.

Build and operate production-grade model serving infrastructure, design deployment pipelines (blue/green, canary), implement autoscaling and multi-model serving, optimize GPU utilization and network throughput, set up observability and model registries, manage CI/CD for reproducible deployments, own full ML system lifecycle including on-call support and platform scalability.

Manage Weaviate's social channels and content calendar, create written and visual content for developers, track social metrics, engage the community, use AI tools for content creation, and collaborate with growth, product, and engineering to execute campaigns.

Operate on L2/L3 customer escalations and eliminate recurring reliability issues by driving root-cause analysis, building diagnostics and tooling, owning test automation and CI stability, improving installation/upgrade robustness, establishing performance baselines, and writing production-quality code to close the reliability feedback loop.

Act as a strategic, customer-facing consultant embedded with clients to understand GTM challenges, translate needs into scoped internal projects, partner with Product/Engineering/Data to deliver solutions, present recommendations to stakeholders, drive adoption, and expand platform usage.

Support service sales growth and retention across EMEA by managing renewals, quotations, contract administration, Salesforce data, and customer inquiries. Coordinate with sales, product, marketing, and operations to drive contract conversions, upsell opportunities, and accurate forecasting while improving process efficiency and customer satisfaction.

Build, maintain, and optimize Injective's React Native mobile trading app using TypeScript. Collaborate with Product, Design, and Backend teams, integrate backend APIs, triage issues, perform code reviews, and ensure cross-platform performance and reliability.

Owner of App Store Optimization across Fortis Games' portfolio for a 6-month contract. Build and run experimentation frameworks, A/B tests on icons, screenshots, videos, and copy, and optimize keywords and metadata. Create custom store experiences (CPPs/CSLs), integrate AI-driven workflows for keyword and competitive analysis, and partner with UA, Creative, and Product Marketing to improve discovery and conversion across multiple titles.

Lead Side's global Datasets business strategy and operations, expanding beyond speech into image, video, multimodal and crowdsourced data. Drive solution design, scalable delivery methodologies, pricing and commercial strategy, client partnerships, team leadership, QA and metadata standards, and industry thought leadership to grow large-scale, multilingual AI training data programs.

Design, develop, and maintain scalable backend services and contribute to frontend features. Influence architecture and technical decisions, write well-tested code using TDD, troubleshoot production issues, mentor teammates, and collaborate with Product and cross-functional stakeholders to deliver reliable, high-performance SaaS solutions.