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Head of Brand - Brasil
Luzia is a smart AI friend designed to assist with studies and daily life, offering capabilities like image creation, problem-solving, and web search.
Experience Requirements:
A strategic brand builder who’s done this before in Brazil— ideally in a high-growth consumer tech company or strong brand-led startup.
Deep experience in brand, mobile, and PR — you know what it takes to launch and scale brand presence in the Brazilian market.
A strategic operator — able to zoom out and set long-term direction, while also rolling up your sleeves to execute or manage projects day-to-day.
Stay deeply connected to our audience — read comments and reviews, engage directly with users, and immerse in the behaviors, trends, and desires of Brazilian young adults to continuously adapt our messaging and brand voice.
Obsessed with the user — you’re constantly engaging with users and deeply in tune with Gen Z and Millennials, our core audience.
Other Requirements:
A storyteller at heart — with a gift for creating narratives that spark curiosity, trust, and emotion.
Fluent in visual and emotional branding — with strong creative sensibility and the ability to direct top-tier brand work.
Collaborative to the core — able to inspire teams, work across functions, and align stakeholders behind the brand vision.
Analytically sharp and resource-savvy — focused on high-impact, measurable initiatives and able to prioritize what moves the needle.
Tuned-in to Gen Z & Millennials — you intuitively speak their language, tap their cultural cues, and craft experiences that land with Brazil’s digital-native generations.
AI-savvy experimenter — eager to explore, question, and ship breakthrough AI features that put cutting-edge tech directly in users’ hands.
Fluency in English is required; Spanish is a plus.
Experience working at a tech startup or fast-scaling mobile app in Brazil.
Track record of working closely with product and growth teams to align brand and user experience.
Ability to balance instinct and data — you know when to trust the numbers and when to lead with bold intuition.
Responsibilities:
Build and define Luzia’s brand in Brazil — identity, and voice to reflect the cultural context, emotional tone, and everyday realities of our Brazilian audience.
Create emotional connections with users — craft narratives, campaigns, and experiences that go beyond utility and build lasting emotional bonds with millions of users.
Champion brand consistency — ensure a unified voice and visual identity across all touchpoints: product, marketing, tech, and talent.
Manage Public Relations and storytelling efforts — partner with Brazilian agencies and internal teams to build earned local media strategies and tell stories that resonate with both mainstream and underserved communities.
Collaborate across teams — work hand-in-hand with product, growth, comms, and design to bring brand ideas to life and make sure everyone internally is aligned around a clear brand mission.
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Social Media Analyst
Luzia is a smart AI friend designed to assist with studies and daily life, offering capabilities like image creation, problem-solving, and web search.
Education Requirements:
Studied Marketing, Advertising, Communications, Film, Journalism or related areas.
Experience Requirements:
Fast-learning mentality: Adaptability, curiosity and a constant desire to explore new creative and AI tools.
Creative Instinct: Sharp eye for trends, visual storytelling and attention-grabbing content.
Social-First Thinking: Passion for social networks, viral content and the latest ad formats.
Confidence in Front of the Camera: Comfortable expressing themselves in videos in an engaging and authentic way.
Data-Driven Creativity: Uses data and performance insights to enhance ideas and amplify the impact of content.
Other Requirements:
Strategic Thinking: Understands what drives content performance and analyzes creative success. Creates coherent and effective communication strategies and guidelines.
Team Collaboration: Enjoys co-creating with marketing professionals, designers and creators in a dynamic environment.
Proactivity and Initiative: Focused on solutions, autonomous and always looking to take ideas forward.
Comfortable working in English.
Desirable: Solid analytical skills and experience with performance marketing platforms and tools (Google Ads, Meta Ads, TikTok Ads, Snapchat Ads, Apple Search Ads, Appsflyer, Google Analytics, etc.).
Responsibilities:
Track trends, top apps and viral content to identify engagement triggers and turn them into data-driven creative ideas.
Analyze high-performing creatives, extract key learnings and share insights to optimize future results.
Collaborate with the team to turn insights into creative strategies and participate in the entire content production process - from scripting and shooting to editing and publishing.
Support A/B testing of creative and use performance insights to improve campaigns.
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Head of Product - Brasil
Luzia is a smart AI friend designed to assist with studies and daily life, offering capabilities like image creation, problem-solving, and web search.
Experience Requirements:
Deep experience in consumer-facing mobile app development, ideally in high-growth or startup environments.
Strong product instincts and a proven ability to make data-informed decisions.
Exceptional communication skills, with the ability to influence technical and non-technical stakeholders alike.
Leadership experience in building and scaling cross-functional product teams.
A track record of delivering impactful products in internet- or mobile-first companies.
Other Requirements:
Someone who’s deeply curious about users, passionate about discovering user needs, and can bring bold ideas to life
Experience with B2C apps, ideally in messaging, productivity, or AI.
Comfort navigating technical conversations with Engineering and AI teams.
Strong UX and design sensibilities, with an eye for detail and a passion for intuitive interfaces.
Proficiency in product analytics, experimentation, and business intelligence tools.
Fluency in English is required; Spanish is a plus.
Responsibilities:
Lead team to define the future of Luzia’s product in Brasil and globally.
Lead the local strategy, development, and optimization of Luzia’s product with a focus on user growth, retention, and social features.
Work closely with engineering and technical leadership to deeply understand and translate technical possibilities and limitations into bold, forward-looking product decisions.
Define and drive the product roadmap based on user insights, behavioral data, and business priorities.
Guide Engineering, Marketing, and Design teams with local insights to deliver high-quality products quickly and iteratively.
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Technical Product Manager (Core)
Luzia is a smart AI friend designed to assist with studies and daily life, offering capabilities like image creation, problem-solving, and web search.
Education Requirements:
Bachelor’s degree in Computer Science, Engineering, Mathematics, or a related technical field (or equivalent practical experience).
Experience Requirements:
5+ years in a technical product management role, preferably with experience in AI or core infrastructure teams.
Strong understanding of software development, AI technologies, and system architecture.
Strong problem-solving skills and willingness to roll up sleeves to get the job done.
Skilled at working effectively with cross-functional teams and ability to influence.
Experience gathering business requirements, defining product requirements and using business intelligence tools (SQL, Amplitude, Looker, Braze) to extract data, formulate metrics, and build reports.
Other Requirements:
Experience leading multiple projects with multiple stakeholders within tight timelines
Extreme attention to detail, design and UX.
Genuine user-centric and data-driven mindsets.
Excellent written and verbal communication skills.
Full professional proficiency in English. Spanish and/or Portuguese is a plus.
Responsibilities:
Work with the head of engineering to design and execute a vision for Luzia’s foundational systems and AI capabilities.
Align the core team efforts with business goals, ensuring a robust and scalable architecture.
Collaborate with engineering and other product teams to develop features around memory, inference optimization, advanced system prompts, customization and AI-enhanced workflows
Lead the prioritization and execution of tasks based on the Core/AI team’s operating model.
Continuously seek ways to optimize our core systems based on key metrics
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Software Engineer
Radiant Security offers an AI-driven SOC automation platform that triages alerts, investigates impact, and generates tailored responses. It integrates with existing security systems and provides comprehensive security operations.
Benefits:
Health Insurance (Safety Wing)
Stay Healthy subsidy (for gym and sports)
Unlimited PTO
Paid Paternity and Maternity Leave
Enjoy your local holidays in Brazil!
Experience Requirements:
Experience with different sorts of integration methods like REST, Webhooks, etc.
Solid programming skills in Python or Javascript (nodejs).
Familiarity with cloud infrastructure (AWS, GCP, or Azure) and their respective services (e.g., S3, SQS).
Knowledge of distributed systems and techniques for building fault-tolerant, high-availability platforms.
Strong understanding of various database and search technologies (e.g. SQL, ElasticSearch, MongoDB).
Other Requirements:
Proficiency in English (at least advanced level) for effective communication and collaboration within the team.
Responsibilities:
Build business logic for all connector types (e.g. webhook, polling, syslog, etc.) and contribute to various design patterns to make this easier.
Monitor, troubleshoot, and enhance the performance of connectors, ensuring minimal downtime and high reliability.
Collaborate with engineering and product teams to refine technical requirements for product asks and right-sizing engineering solutions to meet them.
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