Jobs at Joom

Own and develop production-grade distributed crawlers for Mercado Livre, Shopee, and other marketplaces. Build scalable, observable acquisition pipelines; reverse engineer private APIs; monitor anti-bot changes; develop bypass and behavioral simulation logic; manage proxies, queues, alerts, and failure recovery. Use LLMs and experimental techniques to solve novel data acquisition challenges, identify valuable product data, and collaborate with an international team.

Own sales operations for mid-market and enterprise B2B clients across the full sales cycle. Responsibilities include preparing sales proposals, tracking SLAs, certifying deals, ensuring procedural compliance, resolving delivery and customs issues, coordinating with supply teams, and designing automated sales processes using AI tools.

Own Joom Financing’s P&L, strategy, credit-line product development, AI-based scoring, unit economics, default-rate performance, and financing-plus-fulfillment integration. Work hands-on with data, developers, ML engineers, legal teams, designers, growth specialists, and external consultants. Lead legal setup, go-to-market activities, and external-capital structuring across China and Brazil.

Owns intellectual property matters across Joom’s e-commerce marketplace, including infringement claims, enforcement, settlements, litigation, platform-liability advice, IP portfolio management, and commercial agreement negotiations. The role also supports privacy matters, works closely with product and moderation teams, and manages external counsel in EU proceedings.

Build complex, reliable, high-impact systems across infrastructure, machine learning, AI agents, LLM-driven tools, logistics, and B2B platforms. The role requires strong full-stack engineering expertise, data-driven decision-making, rapid experimentation, and the ability to independently solve challenging technical and business problems in a compact, autonomous team.

Lead backend development for an e-commerce marketplace solutions platform. Responsibilities include designing architecture, programming, building fault-tolerant AWS services, scaling data processing and storage, contributing to product development, and managing and mentoring a team of 3–6 backend developers.

Lead the overall product strategy and development of Joom Marketplace. Responsibilities include setting the product roadmap, prioritizing features, conducting market research, partnering with engineering to deliver improvements, and managing a world-class product and UX/UI team. The role requires strategic and analytical leadership, data-driven decision-making, stakeholder management, and strong English proficiency. Experience with B2C services and e-commerce is valued.

Lead and develop the JoomPro Brazil sales organization, managing sales managers and driving achievement of GMV targets. Own go-to-market strategy, sales processes, reporting, KPI tracking, and accountability systems. Collaborate with Marketing and Category Management while promoting data- and automation-enabled sales management. The role requires fluent English and Portuguese, hands-on leadership, and experience building scalable sales operations, preferably in e-commerce, logistics, freight, or retail.

Own and grow the Electronics and/or Automotive categories by developing assortments, identifying market gaps, analyzing pricing and product completeness, and managing assortment matrices and product plans. Collaborate with procurement on merchant development and with marketing on promotions and launches. Use data-driven analysis, AI tools, and potentially SQL and coding to improve category performance.

Analyze marketing channels, KPIs, attribution, and experiments to improve advertising efficiency and marketing investment decisions. Build dashboards, ETL pipelines, monitoring and alerting systems, and payback prediction models. Generate insights and hypotheses across acquisition, product feeds, creatives, channel mix, and targeting while applying statistical methods and solving complex problems with incomplete data.

Own end-to-end discovery and delivery for an AI assistant serving Brazilian e-commerce sellers. Conduct Jobs to Be Done research, launch agent-based services across commerce workflows, build prototypes with AI tools and UI components, analyze product performance, and improve retention and daily active usage. The role requires regular travel to Brazil for customer meetings and industry events and is based in or relocates to Lisbon.

Owns product data quality, analytics, and marketplace research for an AI analytics platform. The role measures feature impact on conversion and retention, analyzes user behavior, identifies growth opportunities, supports prioritization, builds self-service analytics capabilities, automates reporting, and develops market insights for corporate clients and journalists.

Own retention and product growth across JoomPulse’s SaaS platform, Chrome Extension, MCP, Joom.ai, and mobile app. Develop agentic workflows, improve onboarding, translate top-seller insights into product decisions and educational content, establish analytics dashboards, support subscription tiers, and drive ambiguous initiatives end to end. The role requires strong numerical analysis, hands-on AI tool usage, user curiosity, ownership, and fluent English.

Own full-cycle recruitment for technical and commercial roles, including sourcing passive candidates, building talent pipelines, advising hiring managers, experimenting with AI-enabled hiring workflows, and negotiating offers. The role covers difficult-to-fill positions such as backend and machine learning engineering, product, marketing, and sales roles, while improving hiring processes through experimentation and data-driven evaluation.

Lead JoomPro’s B2B marketing strategy across Brazil, Mexico, and future international markets. Own the full marketing funnel, paid acquisition, CRM, partnerships, analytics, and performance optimization. Build a scalable, data-driven growth engine, set team goals, prioritize initiatives, and collaborate with product, analytics, and sales. The role requires hands-on leadership, strong ownership, marketing expertise across performance channels and CRM, and an AI-first approach.

Legal Counsel responsible for GDPR compliance, privacy risk assessment, data protection agreements, data subject requests, and privacy requirements across products and jurisdictions. The role also handles trademark and copyright infringement, takedowns, enforcement workflows, registrations, licensing, and IP complaints. The counsel will negotiate legal agreements and translate regulatory requirements into practical, business-oriented solutions for an international e-commerce and technology group.

Own the B2B and partner platform, including retail media, pharmacy integrations, marketplace economics, attribution, ad products, pricing, and take-rate mechanics. Define APIs and data models with engineering, validate solutions using SQL, improve partner data quality, and ship products for external business partners. The role requires strong commercial understanding, technical depth, AI-native prototyping, and attention to integration edge cases and reconciliation.

Own enterprise customer relationships, value delivery, renewals, retention, and expansion for JoomPulse accounts. Lead monthly business reviews and quarterly planning, translate Mercado Livre and Shopee marketplace data into actionable recommendations, deliver training and presentations to senior stakeholders, gather customer insights, and advocate for product improvements. Manage commercial negotiations, resolve difficult customer issues, maintain satisfaction, and travel to clients and industry events approximately two to three times annually.