Top Tech Jobs & Startup Jobs in Portugal

Build and operate production custody systems: signing service, key management, chain integrations, and transaction pipelines. Own end-to-end subsystems, integrate new chains, collaborate with cryptography on threshold signing and key recovery, write post-mortems, and produce clear async design docs and PRs.

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.

Lead and scale the engineering organization for a regulated digital-asset custody platform. Own hiring, org design, engineering operations (on-call, incidents, release hygiene), delivery against roadmaps, audit and regulator readiness (SOC 2, SAMA, ISO 27001), and cross-functional alignment. Amplify an existing small, specialized team to meet regulatory and institutional requirements while preserving culture and retention.

Develop and customize ServiceNow solutions, including scripting, workflows, integrations, and platform configuration. Collaborate with cross-functional teams to define requirements, conduct code reviews, debug issues, create test cases, document functionality, and ensure software quality. The role requires knowledge of ITIL, ITSM, and at least one of ITOM, ITAM, or HRSD, along with strong analytical, communication, and problem-solving skills.

Provides first-line and remote technical support for end users, troubleshooting Windows applications, hardware, software, networks, mobile devices, and IT services. Manages user permissions, documents incidents and resolutions, escalates unresolved issues, supports service providers, and contributes to IT infrastructure projects and process improvements. The role requires strong customer service, problem-solving, communication, and collaboration skills, with occasional staggered shifts.

Coordinate sponsorships, partnerships, brand activations, regional events, PR initiatives, media engagements, vendors, budgets, and campaign reporting across regulated markets. Collaborate with marketing, communications, legal, compliance, agencies, and partners to deliver integrated initiatives, track performance, manage stakeholders, and identify new opportunities.

Leads the newly formed Trading Risk team and owns business risk operations, risk logic, monitoring, controls, and incident response across spot, derivatives, lending, and earn products. The role establishes risk frameworks, parameters, alert systems, and escalation protocols; partners with Product, Engineering, and Operations; oversees risk model development; and builds a high-performing risk organization.

Develop AI-augmented blockchain risk and threat intelligence systems, including autonomous monitoring and investigation workflows. Lead forensic investigations into crypto theft, fraud, and market manipulation. Research post-quantum cryptography and quantum threats to blockchain security, evaluate migration paths, and collaborate with internal teams, external stakeholders, and academic institutions to deploy emerging security tools.

Advise enterprise customers on Databricks data and AI transformations. Design, review, and optimize Lakehouse architectures, data pipelines, governance, security, analytics, machine learning, and GenAI workloads. Lead architecture workshops, technical roadmaps, implementation support, executive presentations, and customer enablement. Mentor teams, resolve technical blockers, develop reusable assets, and support pre-sales, proposals, proof-of-concepts, and expansion opportunities.

Designs, builds, and maintains scalable Databricks Lakehouse data pipelines and batch or streaming workflows. Optimizes data processing performance, scalability, and cost while supporting analytics, machine learning, and business intelligence use cases. Collaborates with engineers, architects, data scientists, and stakeholders to deliver production-ready platforms. Contributes to data quality, governance, security, compliance, and architecture, while mentoring junior engineers and supporting client-focused data platform strategies.

Develop, test, and maintain backend services, REST APIs, integrations, and workflow automation for customer-facing cloud platforms. Responsibilities include writing maintainable code, participating in code reviews and testing, troubleshooting backend systems and databases, and collaborating with product, UX, data, security, QA, and platform teams. The role offers practical experience with cloud services, APIs, enterprise systems, and backend engineering under the guidance of experienced developers.

Develop and maintain responsive frontend applications using TypeScript, integrate APIs and services, implement UI/UX designs, optimize performance and scalability, apply frontend security and data protection practices, troubleshoot issues, participate in code reviews, and contribute to open-source privacy-focused projects.

Manage a portfolio of strategic customers, overseeing commercial relationships, renewals, pricing negotiations, account plans, and customer health. Identify and close upsell and cross-sell opportunities through product demos and tailored proposals. Build long-term stakeholder relationships, represent customer needs internally, and collaborate with Product, Customer Success, and Partnerships to improve customer outcomes and recurring revenue.

Build the companys first data stack and data products (internal analytics and customer-facing). Work across data engineering, devops, and software tasks; ship early features, improve developer experience, document proposals, and iterate based on feedback.

Generalist full‑stack engineer who ships product features, collaborates remotely, improves developer experience, writes proposals and documentation, and iterates quickly in an early‑stage environment using TypeScript/Next.js and Golang.

Creates photo, video, and short-form social content across multiple platforms for two lifestyle and furniture brands. Responsibilities include content calendar management, filming, editing, publishing, copywriting, trend identification, influencer and user-generated content coordination, community engagement, campaign collaboration, and performance analysis to increase engagement, reach, and brand awareness.

Execute and optimize email and lifecycle marketing campaigns across two e-commerce brands. Build automated customer journeys, manage segmentation, create and test email content, conduct A/B testing, monitor performance, prepare insights, and coordinate campaign calendars with Creative and E-Commerce teams to improve engagement, retention, conversions, and loyalty.

Leads AI-powered creative marketing strategy and execution across two brands. Develops generative-AI content, prompts, workflows, and brand standards for advertising, social media, email, websites, product launches, and campaigns. Collaborates with creative, marketing, e-commerce, and product teams; monitors campaign performance; optimizes creative output; evaluates emerging AI tools; and trains internal teams on AI best practices.

Manage supplies and materials for a specialty department: maintain PAR levels, coordinate returns and recalls, support product trials, liaise with suppliers and clinical staff, participate in value analysis and cost-reduction initiatives, and perform related supply chain duties.