Top Tech Jobs & Startup Jobs in Lisbon

Own the cryptographic core: select and evolve MPC/TSS schemes, author protocol reviews, implement and review Rust/Go production crypto, lead audit responses, prepare incident fixes, publish and represent externally, and teach/mentor engineers while scaling the crypto function.

Build a model enablement platform for heterogeneous AI computing across AIPUs, CPUs, GPUs, NPUs, and other accelerators. Responsibilities include model ingestion, graph partitioning, compilation, runtime execution, performance profiling, memory and scheduling optimization, large-model offloading, and verification integrated into CI. The role combines architecture ownership with hands-on C++ and Python engineering across model frontends, compilers, runtimes, and application pipelines.

Designs and builds Notabene’s Go-based transaction platform for secure, scalable, multi-tenant crypto transfers. The role focuses on distributed systems correctness, PostgreSQL performance, cloud infrastructure, observability, auditability, and regulated-data security. The engineer owns production operations, writes technical designs, reviews code, mentors teammates, collaborates with product and compliance teams, uses AI coding agents, and participates in on-call rotations.

Maintain and evolve the Storybook codebase, designing APIs for developers, addon authors, and maintainers. Responsibilities include issue triage, pull request reviews, RFC development, educational content, community engagement, cross-team collaboration, and support rotation participation. The role requires strong web development experience, knowledge of frontend frameworks and build tools, excellent communication, and enthusiasm for improving developer experience and AI-assisted development workflows.

Own the full enterprise sales cycle across EMEA/MENA, from prospecting and qualification through negotiation, closing, and handoff. Build pipeline, exceed new business targets, develop territory and account strategies, expand existing accounts, and acquire new customers. Partner with BDR, Marketing, Product, Solutions, Customer Success, Leadership, and Legal teams. Maintain accurate forecasting and CRM discipline while advising mobile marketing clients and representing the company at industry events.

Design, develop, and deploy high-volume, low-latency Java applications and microservices. Lead full development lifecycle, write testable code, manage releases, improve architecture, and support Agile/Scrum processes.

Own Coinflow’s defensive and offensive security posture by operating the SIEM, conducting internal penetration tests, managing vulnerabilities and dependencies, improving the secure development lifecycle, and supporting PCI DSS, SOC 2, ISO 27001, and DORA compliance. The role also includes security monitoring, incident triage, threat modeling, security tooling automation, and collaboration with engineering teams across cloud and application environments.

Lead the AI architecture for Productboard Insights, designing agent-native systems, context infrastructure, self-healing workflows, evaluation processes, and AI code-review optimization. Own technical direction across Insights, Spark, and platform teams; drive features from concept through beta; optimize quality, latency, cost, and reliability; write production code; and develop engineers through documentation and reviews.

Own and optimize in-app purchase monetization for mobile games by developing pricing, offers, bundles, segmentation, personalization, and experimentation strategies. Analyze player behavior, improve ARPDAU, payer conversion, and LTV, and lead a monetization roadmap. Collaborate with Product, Analytics, Economy, LiveOps, and Development teams to deliver measurable revenue growth.

Own strategic enterprise accounts from value-case development through deployment, renewal, and expansion. Serve as executive sponsor contact, coordinate sales, project management, and engineering teams, prove measurable ROI, identify expansion opportunities, and ensure customer retention. The role requires deep supply chain or data infrastructure expertise, enterprise consulting or software experience, strong project-management instincts, and the ability to communicate with both supply chain executives and technical teams.