CloudWalk

Architect AI agents that handle real-world financial transactions at scale, building autonomous systems that need to be both intelligent and bulletproof. Build & Ship: Develop, test, and deploy backend features and APIs in Elixir, ensuring code serves millions of users safely and efficiently. Need to think, debug, and communicate seamlessly in Portuguese.

We are seeking a highly skilled and analytical AML Analyst adept at data analysis, with a strong background in financial services, preferably fintech. The role involves continuously updating and improving AML protocols, identifying patterns of financial crime, and leading cross-functional teams in data analysis to enhance decision-making.

We are seeking a highly skilled and analytical AML Analyst with experience in Anti-Money Laundering (AML) and Counter-Terrorism Financing (CTF) operations; the ideal candidate will be adept at data analysis, with a strong background in financial services, preferably fintech.

As a Data Analyst you will bridge the gap between complex data and business operations. Transform improvised solutions into systematic, data-driven processes that scale. You'll investigate why processes work the way they do and identify optimization opportunities, then find the answers.

Hiring a Data Scientist with strong foundations in statistics, causal inference, and experimental design, your work will be centered on rigorous analysis: designing robust experiments, validating assumptions, and extracting clear insights from complex data, applying statistical thinking and careful modeling to answer hard questions and guide product direction.

As a Data Scientist on the AI Optimization team, you will design and optimize intelligent systems that power core product experiences. You will transform rich data into models that drive automation, personalization, and smart decision-making at scale. This role blends applied science and analytics, focused on building adaptive ML systems that evolve continuously and make a tangible impact.

Architect AI-Enhanced Systems: Design and implement complex, distributed systems optimized with AI-driven insights for scalability, reliability, and simplicity. Drive projects from discovery to delivery, using AI tools to accelerate workflows and ensure successful outcomes. Define Excellence: Set engineering standards, champion best practices, and mentor teams to achieve new heights in innovation.

Design, build, and program electronic circuits involving actuators, sensors, relays, and communication modules. Develop interactive installations and immersive environments integrating hardware and software. Use protocols like Art-Net and DMX to control lighting and other devices in real time. Program and automate circuits to communicate effectively with computers, including data feedback loops.

Transform complex payment flows into seamless mobile experiences in this mobile AI-Driven Engineer role. Build, test and deploy new user-facing code in Dart for Flutter technology. Craft trustworthy user experiences to investigate and fix problems, alongside performance and scalability issues. Assist in planning, estimation, and scoping of feature development. Review pull requests from other software engineers (eventually pair programming with them).

If you are fascinated by the human element of security and excel at crafting compelling narratives, join us as a Red Team Operator. You will specialize in emulating the tactics, techniques, and procedures (TTPs) of real-world attackers who target people, not just systems. You will design and execute sophisticated phishing, vishing, and physical pretexting campaigns to test our security awareness.

Help drive decision-making and product innovation through careful experimentation, critical thinking, and applied machine learning. You’ll work closely with engineers, researchers, and product teams to generate insights from data, design and run A/B tests, and train models that improve our products. This is a hands-on, full-stack data science role - from SQL and EDA to modeling and business impact analysis.

You may work on our main products, such as InfinitePay or Jim, contributing to new features, and you will explore experimental products and features that may or may not reach the market. CloudWalk take experiments seriously and strive to learn as much as possible from them, even if they don’t necessarily end up being integrated into a product

As part of the exploration team inside the AI department, you will pursue ambitious projects with high impact potential by discovering and refining transformer-based neural network architectures and data pipelines. You will need to follow clues, spot patterns, uncover the story hidden in the numbers, and turn raw data into knowledge. It's expected to experiment and allowed to fail, as long as you learn something. As a member of a fully remote team, you are expected to complete tasks autonomously.

The Regulatory Capital Specialist will support the adaptation to new Central Bank regulations. This role involves structuring and ensuring the quality of regulatory reports, developing internal policies related to Basel capital requirements, and leading the preparation of Pillar 3 reports. The specialist will also collaborate with technical teams to automate processes and support compliance initiatives.

You're the frontline hero, the voice of InfinitePay, tackling customer issues head-on, from simple guidance to complex technical juggernauts. Your mission: Deliver exceptional service, solve problems end-to-end, and turn challenges into triumphs. Engage with customers through chats, emails, and calls, offering stellar support and solutions.

Solid experience with React Native Expo (Managed Workflow) to consume REST APIs and implement secure authentication in mobile apps. Proficient in state management (Redux, Zustand, or Context API) and navigation using React Navigation for Expo. Eager to integrate smart features (via Vercel AI SDK or mobile SDKs from OpenAI/Gemini).

Seeking a Data Scientist to build a smarter, AI-driven future for payments. The position is full-time and remote.

Looking for an Experienced Backend Engineer to help build the future of payments. You should have hands-on experience with JavaScript/TypeScript, React, and Next.js. A solid understanding of REST API integration (fetch/axios, authentication, error handling) is needed as well. Having a genuine interest in generative AI (LLMs, AI SDKs, RAG, MCP, etc.) is also beneficial.

Looking for a Machine Learning Engineer to own and evolve our distributed training pipeline for large language models. The focus will be distributed training: from designing sharding strategies and multi-node orchestration to optimizing throughput and managing checkpoints at scale. This role is about building and scaling the systems that let researchers move fast and models grow big.

A Data Scientist focused on Large Language Models is needed to join the AI R&D team. You will design, train, and optimize LLMs that power real product features and internal tools. This role involves work on everything from architecture and data preparation to multi-scale training and evaluation.

Build and run global strategies to attract top talent. Own full-cycle recruiting for both tech and non-tech roles. Hunt for exceptional people using unconventional methods and AI tools. Be the first great impression candidates have of CloudWalk. Partner with leaders to deeply understand culture, needs, and how to attract the right people. Track, analyze, and optimize our hiring funnel.

Uncover patterns that protect merchants, detect fraud, and unlock insights hiding in the intersection of place and payments. Apply data science techniques to spatial datasets and location-based problems to uncover financial behavior patterns, Design and run experiments on different forms of aggregating spatial data, train and validate geospatial models for business applications.

Join CloudWalk as a Visual AI Engineer and help us reshape the audiovisual creative landscape through cutting-edge AI technologies. You will develop, train, and fine-tune AI models for audiovisual content, build automated pipelines for content generation, integrate AI models into user-friendly tools, and collaborate with various teams to translate creative needs into technical solutions.

Draft minor and medium complexity legal documents, such as defense statements, replies, and appeals. Perform daily monitoring of judicial and administrative proceedings and rigorously comply with procedural deadlines. Participate in initial and conciliation hearings. Conduct jurisprudential research to support defense theses. Assist senior lawyers in preparing legal opinions and strategies and keep the case management system updated. Prepare periodic reports.