AI-driven payment solutions company building symbiotic hybrid systems for the future of financial technology.

CloudWalk is pioneering the future of payments through AI innovation, creating a unique environment where engineers work alongside AI agents. The R&D Software Engineer role offers an opportunity to work on cutting-edge products like InfinitePay and Jim, while also exploring experimental features and prototypes.

The position combines practical software engineering with innovative AI development, requiring expertise in Python, SQL, and JavaScript/TypeScript stack. You'll be responsible for turning prototypes into production code, maintaining high engineering standards through automated testing, and ensuring robust security practices.

The role demands a unique blend of technical expertise and forward-thinking mindset, as CloudWalk envisions a post-human and post-machinic future where symbiotic hybrid beings exchange knowledge and wealth. Engineers here move fast, treating AI agents as coworkers, and communicate efficiently with both humans and machines.

Key responsibilities include developing new features for main products, exploring experimental products, writing reliable tests, managing CI/CD pipelines, and contributing to product discussions. The ideal candidate should have strong foundation in software development, cloud-native architecture experience, and practical experience with LLMs and AI-assisted development tools.

CloudWalk offers a diverse and inclusive work environment, welcoming authenticity regardless of background. The company's vision of AI-driven future in payments, combined with their commitment to innovation and experimentation, makes this an exciting opportunity for engineers passionate about shaping the future of financial technology.

The position requires bilingual proficiency (English and Portuguese) and includes a thorough recruitment process with programming assessment and technical interviews. Additional valuable skills include experience with high-throughput systems, multi-agent frameworks, and game development.

R&D Software Engineer position at CloudWalk, focusing on AI-driven payment solutions and experimental product development using Python, SQL, and JavaScript/TypeScript stack.

Software Engineer (R&D Team)

A fintech unicorn building the future of payments, focused on innovation and AI-driven solutions with millions of happy customers.

CloudWalk is an innovative fintech unicorn that's revolutionizing the payments industry through cutting-edge technology and AI-driven solutions. As a Mobile Engineer specializing in React Native, you'll be part of a dynamic team building the future of financial technology.

The role demands expertise in React Native Expo, with a focus on developing robust mobile applications that integrate with REST APIs and implement secure authentication. You'll work with modern state management solutions and navigation systems, while also exploring the exciting frontier of generative AI integration through various SDKs.

This position offers a unique opportunity to work with cutting-edge technologies in the fintech sector, including push notifications, app distribution, and backend technologies like PostgreSQL. The ideal candidate will be self-driven, comfortable with independent problem-solving, and passionate about creating innovative financial solutions.

Working remotely, you'll join a team of dreamers and tech enthusiasts who are building more than just another fintech product. CloudWalk values individuals who can demonstrate strong communication skills, take ownership of their work, and contribute to the company's mission of creating smarter, AI-driven payment solutions.

This role is perfect for someone who combines technical expertise with a genuine interest in financial technology and wants to be part of a company that's already serving millions of happy customers while continuing to push the boundaries of what's possible in the payments industry.

Remote Mobile Engineer position at CloudWalk, focusing on React Native development for innovative fintech solutions with AI integration.

Mobile Engineer - React Native

A fintech company building intelligent infrastructure powered by AI, blockchain, and thoughtful design, serving millions of entrepreneurs across Brazil and US.

CloudWalk, a innovative fintech company, is seeking a Machine Learning Engineer specialized in distributed training to join their team. This role focuses on evolving their distributed training pipeline for large language models, working with cutting-edge technologies like Hugging Face Transformers, Accelerate, and DeepSpeed within their GPU cluster.

The position is specifically focused on the engineering and scaling aspects rather than research, emphasizing the development of robust systems that enable researchers to efficiently train and scale foundation models. The ideal candidate will work at the intersection of ML infrastructure and practical implementation, collaborating closely with MLOps, infrastructure teams, and model developers.

Key responsibilities include architecting distributed training pipelines, optimizing multi-node/multi-GPU training performance, and ensuring training runs are efficient and reproducible. The role requires expertise in distributed training frameworks, strong PyTorch background, and deep understanding of infrastructure components.

CloudWalk offers a unique opportunity to work with large-scale ML systems, contributing to a platform that serves millions of entrepreneurs across Brazil and the US. The company's focus on AI and blockchain technology, combined with their mission to reimagine financial services, makes this an exciting opportunity for engineers passionate about scaling ML systems.

The position is remote, offering flexibility while working with a collaborative team. The interview process is structured and includes technical assessments, ensuring candidates have both the technical expertise and cultural fit required for success in this role.

Senior Machine Learning Engineer position focused on distributed training systems and LLM infrastructure at CloudWalk, a fintech company revolutionizing financial services through AI and blockchain.

Machine Learning Engineer (Distributed Training)

A fintech unicorn building the future of payments, focused on innovation with millions of happy customers.

CloudWalk, a fintech unicorn revolutionizing the payments industry, is seeking a Visual AI Engineer to join their innovative team. This role sits at the intersection of artificial intelligence and audiovisual content generation, requiring expertise in training Large Language Models, automating processes, and managing cloud GPU infrastructure. The position offers an opportunity to reshape the audiovisual creative landscape through cutting-edge AI technologies.

The ideal candidate will be responsible for developing and fine-tuning AI models, building scalable content generation pipelines, and creating user-friendly tools that empower creative teams. You'll work with state-of-the-art technologies while collaborating closely with Visual AI Designers, Product, and Marketing teams to translate creative needs into technical solutions.

This role is perfect for someone who is fluent in AI technologies, comfortable with Python programming, and experienced with platforms like Huggingface and cloud services. You'll be part of a dynamic environment where engineers and AI systems work together to automate and scale creative audiovisual production, pushing the boundaries of AI-driven content generation.

At CloudWalk, you'll join a team of dreamers, makers, and tech enthusiasts who are building the future of payments. The company culture emphasizes innovation, collaboration, and staying at the forefront of technological advancement. This remote position offers the flexibility to work from anywhere while contributing to groundbreaking projects that combine AI technology with creative content production.

If you're passionate about AI, comfortable with rapid technological changes, and excited about working in a collaborative environment that values both technical expertise and creative innovation, this role presents an excellent opportunity to shape the future of AI-powered audiovisual creation.

Visual AI Engineer position at CloudWalk focusing on AI-driven automation and content generation, requiring expertise in LLMs, Python, and cloud GPU infrastructure.

Visual AI Engineer – AI-Driven Automation & Content Generation

AI-first fintech rebuilding Brazil's payment infrastructure, focusing on advanced technology and elegant financial experiences.

CloudWalk is an AI-first fintech unicorn dedicated to revolutionizing Brazil's payment infrastructure. The Financial Services team is seeking a Software Engineer to join their platform that manages money movements and credit decisions. The role involves working with real-time credit engines, repayment orchestration, dynamic pricing, and debt collections.

The position offers exciting challenges in credit acceleration, price modeling, and collection systems management. You'll be working on a micro-service mesh processing billions of BRL monthly, evolving toward event-driven, AI-augmented decisioning. Your work will directly impact credit limits, default rates, and pricing fairness for Brazilian merchants.

As a Software Engineer, you'll be responsible for building resilient services, integrating ML models and LLM agents, managing full development lifecycles, and championing quality standards. The ideal candidate should be proficient in Python, experienced with REST APIs, containerization, and cloud platforms, particularly Google Cloud.

The team values technical excellence, continuous learning, and effective communication. You'll be part of a diverse and inclusive workplace that focuses on making meaningful impact rather than just valuations. The role offers an opportunity to work with cutting-edge technology while solving real financial challenges that affect merchants' livelihoods across Brazil.

Software Engineer position at CloudWalk, focusing on building and maintaining financial services infrastructure using Python, ML, and cloud technologies.

Software Engineer (Financial Services)

A fintech unicorn building the future of payments with AI-driven solutions and millions of happy customers.

CloudWalk, a fintech unicorn, is revolutionizing the payments industry with AI-driven solutions and a strong focus on customer satisfaction. As a Site Reliability Engineer (SRE) at CloudWalk, you'll be part of a team dedicated to maximizing engineering velocity while maintaining product reliability.

The role combines DevOps culture with practical engineering challenges, focusing on the maintenance of sandbox and staging environments and automation pipelines for continuous testing. You'll work with cutting-edge cloud technologies, container orchestration, and database systems while collaborating across multiple engineering teams.

This position offers an opportunity to work with a company that's not just another fintech - they're a group of dreamers and tech enthusiasts building the future of payments. The role requires a balance of technical expertise in cloud environments, databases, and CI/CD, along with strong communication skills.

Working remotely from São Paulo, you'll be responsible for creating and maintaining development environments, automating cloud workloads, and ensuring smooth test integration in the delivery pipeline. The ideal candidate should have experience with cloud platforms like GCP and AWS, strong database knowledge, and container orchestration skills.

Join CloudWalk to be part of a team that's building a smarter, AI-driven future for payments. This role offers the perfect blend of technical challenges and collaborative opportunities, making it ideal for engineers who want to make a significant impact in the fintech industry while working with modern technologies and practices.

Remote Site Reliability Engineer position at CloudWalk, focusing on DevOps culture, cloud automation, and maintaining development environments for a leading fintech company.

Site Reliability Engineer

CloudWalk is seeking a Social Network Engineer (AI Engineer) to join their team in developing an AI-managed merchant network. This role focuses on designing and implementing sophisticated backend systems and intelligence layers that will connect merchants based on complementary offerings and shared interests. The position involves working with cutting-edge AI technologies, including LLMs, recommendation systems, and autonomous agents. The ideal candidate will have strong Python skills, experience with AI/ML systems, and the ability to build scalable solutions. The role offers the opportunity to work remotely while contributing to innovative social networking solutions for Brazilian merchants. The company emphasizes diversity and inclusion, creating a welcoming environment for all employees.

AI Engineer position at CloudWalk focusing on building intelligent social networking systems for merchants using Python, LLMs, and recommendation systems.

Social Network Engineer (AI Engineer)

A fintech unicorn building the future of payments with millions of customers, focusing on AI-driven innovation in the payment industry.

CloudWalk, a fintech unicorn revolutionizing the payments industry, is seeking an AI-Driven Ruby Engineer to join their Operations Team. This role combines traditional backend engineering with AI innovation, focusing on developing crucial banking operations and KYC processes.

As part of CloudWalk's engineering team, you'll work on mission-critical applications that interface with the Brazilian Central Bank while helping shape the future of AI-driven payment solutions. The position offers a unique opportunity to work with complex distributed systems at scale while contributing to the company's vision of creating intelligent payment solutions.

The ideal candidate will bring strong Ruby on Rails expertise, combined with an understanding of financial systems and regulatory requirements. You'll be part of a team that's not just coding, but building intelligent solutions that impact millions of customers. The role involves both technical leadership through mentoring and hands-on development work.

CloudWalk stands out as a company that's actively integrating AI across all aspects of its operations, from talent acquisition to risk analysis. They're creating an environment where engineers can push the boundaries of what's possible in financial technology while working with cutting-edge AI solutions. If you're passionate about combining financial technology with artificial intelligence and want to be part of a company that's actively shaping the future of payments, this role offers an excellent opportunity to make a significant impact.

AI-Driven Ruby Engineer position at CloudWalk, focusing on developing backend applications for banking operations and KYC processes while leveraging AI technologies.

AI-Driven Engineer - Ruby (Operations Team)

A fintech unicorn building the future of payments with millions of happy customers, focusing on AI-driven innovation in payment solutions.

CloudWalk, a fintech unicorn revolutionizing the payments industry, is seeking an AI-Driven Engineer specializing in Ruby. This role sits at the intersection of artificial intelligence and software engineering, where you'll be part of a team building the future of payment solutions.

As an AI-Driven Engineer, you'll be responsible for developing sophisticated backend applications, requiring deep knowledge of systems architecture, monitoring, and product development. You'll work on maintaining automated test suites and tackle production issues head-on, ensuring our systems remain robust and scalable.

The ideal candidate will bring strong Ruby development skills, with experience in service-oriented architectures and complex systems at scale. You'll need to be comfortable with ambiguity and possess the ability to translate technical and business requirements into practical solutions. Experience with Elixir or Phoenix is a plus.

CloudWalk offers a unique opportunity to work with a company that's not just another fintech – we're a pack of dreamers and tech enthusiasts pushing the boundaries of what's possible in payments. Our vision extends beyond traditional engineering, incorporating AI across all aspects of our business, from talent acquisition to risk analysis and design.

Join us in building an AI-driven future for payments, where your expertise in Ruby and engineering will directly impact millions of happy customers. This remote position offers the flexibility to work from anywhere while being part of a forward-thinking team that's shaping the future of financial technology.

Join CloudWalk as an AI-Driven Ruby Engineer to develop backend applications and shape the future of payments through innovative AI solutions.

AI-Driven Engineer - Ruby

A fintech unicorn building the future of payments with millions of customers, focusing on innovation and AI-driven solutions.

CloudWalk, a fintech unicorn revolutionizing the payments industry, is seeking an AI-Driven Engineer specializing in Golang. This role represents a unique opportunity to join a company that's not just another fintech, but a collective of dreamers and tech enthusiasts building the future of payments.

The position combines traditional software engineering excellence with cutting-edge AI implementation, requiring expertise in both Golang and artificial intelligence tools. You'll be responsible for designing and developing scalable APIs for our payments ecosystem while leveraging AI to optimize development processes and enhance productivity.

As an AI-Driven Engineer, you'll work with a diverse, multicultural team in a remote environment, contributing to systems that impact millions of users daily. The role requires strong technical skills in Golang, relational databases, and familiarity with Brazil's payment systems, combined with a passion for AI innovation.

CloudWalk offers a unique environment where you can explore the intersection of payments technology and artificial intelligence. You'll be part of a company that's actively shaping the future of financial technology, working alongside professionals who are passionate about innovation and technical excellence.

This position is perfect for engineers who want to go beyond traditional software development and embrace the future of AI-enhanced engineering. You'll have the opportunity to mentor others, lead initiatives, and directly impact the evolution of payment systems while working with cutting-edge technology in a rapidly growing unicorn company.

Senior Golang engineer position at CloudWalk, focusing on AI-driven development and payment systems, offering remote work and the opportunity to shape the future of financial technology.

AI-Driven Engineer - Golang

A fintech unicorn building the future of payments, focusing on innovation and AI-driven solutions.

CloudWalk, a fintech unicorn, is revolutionizing the payments industry with AI-driven solutions. We're seeking an AI-Driven Engineer specialized in Rust to join our innovative team. This role focuses on developing a groundbreaking credit card operation using blockchain as the primary source of truth for customer balances.

The position involves building and maintaining microservices in Rust, handling critical components like card issuance, transaction authorization, and clearing processes. You'll be working on time-sensitive systems where performance, speed, and scalability are paramount. The role combines technical expertise with leadership responsibilities, requiring both hands-on development skills and the ability to mentor team members.

As a senior engineer, you'll be at the forefront of integrating AI technologies into our systems, optimizing workflows, and setting new standards for the fintech industry. The challenge involves creating robust, reliable systems that can process transactions quickly and accurately while maintaining security and integrity.

This is an exceptional opportunity for someone who combines deep technical knowledge with leadership abilities. You'll be working with cutting-edge technologies, including blockchain and AI, while having a direct impact on how people interact with financial products. The role offers the chance to work remotely with a global team, solving complex challenges that are reshaping the future of financial transactions.

If you're passionate about innovation, have expertise in Rust and distributed systems, and want to be part of a team that's building the next generation of payment solutions, this role offers the perfect blend of challenge and opportunity. Join CloudWalk in creating a smarter, AI-driven future for payments.

Senior AI-Driven Engineer position at CloudWalk, focusing on developing blockchain-based credit card operations using Rust, combining technical expertise with leadership responsibilities.

AI-Driven Engineer - Rust

A fintech unicorn building the future of payments, pioneering AI innovation in payment solutions with millions of customers.

CloudWalk, a fintech unicorn, is revolutionizing the payments industry through AI innovation. We're seeking an AI-Driven Software Development Engineer in Test to join our Quality Engineering team. This role combines traditional QA/QE practices with cutting-edge AI technologies, working alongside developers as co-owners of our codebase.

The position requires expertise in LLMs like GPT-4 and Claude, with a strong focus on AI-assisted development and testing. You'll be responsible for designing and implementing AI-powered quality solutions, developing test automation enhanced by AI capabilities, and championing a DevOps culture with an AI-first mindset.

The ideal candidate should have practical experience with AI-assisted development, strong prompt engineering skills, and a deep understanding of product development and system architecture. Additional valuable skills include experience with cloud environments (GCP, AWS), ML/AI testing frameworks, and knowledge of database technologies.

At CloudWalk, we're building a future where AI empowers every department, from People teams to Marketing, Customer Success, Risk analysis, and Design. We offer a remote work environment and the opportunity to be part of a team that's not just engineering solutions but building a smarter, AI-driven future for payments.

Join us if you're passionate about continuous learning, embrace AI innovation, and want to be part of a revolutionary approach to quality engineering in the fintech space.

AI-Driven Software Development Engineer in Test position at CloudWalk, combining QA expertise with AI innovation to revolutionize payment solutions quality engineering.

CloudWalk Engineering Jobs

AI-driven payment solutions company building symbiotic hybrid systems for the future of financial technology.