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Senior Stablecoin

LATAM

Brazil

<h3>What We're Looking For</h3>You'll be ARQ's first Security Engineer based in Brazil – it's the chance to lay the foundation for how we do security in the region and shape how that function grows from here. You'll work closely with our global security team but have real autonomy in deciding what "good" looks like locally, from day one.We're looking for someone who enjoys a multidisciplinary role. Security at ARQ spans Application Security, Security Operations, and Governance/Risk/Compliance, and we need someone comfortable moving across at least two of these three areas – because in a founding role, there's no one else to hand off the parts that don't fit your specialty.<h3>What you'll do</h3><ul><li>Drive the application security roadmap: threat modelling standards, secure code review practices, API security testing strategy, and security pipeline architecture</li><li>Define the company's approach to securing AI/agentic workflows – setting guardrails for prompts, destructive actions, and data exposure, and advising other teams building with LLMs/MCP servers</li><li>Set the technical direction for detection engineering, alert pipelines, and automated response across the security stack (Datadog SIEM, CrowdStrike, Cloudflare), and raise the bar on how the team designs and reviews detections</li><li>Own incident response readiness at a program level: design IR playbooks, lead tabletop exercises, and act as technical lead during major incidents</li><li>Set the standard and approach for cloud security assessments across AWS and Kubernetes, reviewing findings from other engineers and tackling the most complex environments directly</li><li>Own the vendor security assessment framework itself: continuously improving the due diligence process and handling the highest-risk vendor reviews</li><li>Act as a technical mentor to mid and senior engineers, reviewing their detection logic, assessments, and playbooks without formal management responsibilities</li></ul><h3>What you'll need</h3><ul><li>7+ years in information security, including demonstrated experience building or substantially maturing a security function or program from the ground up</li><li>2+ years at a regulated fintech/bank/payment company</li><li>Deep, hands-on expertise in cloud infrastructure security (AWS, Kubernetes), able to architect controls</li><li>Proven experience driving application security programs: threat modelling frameworks, secure code review standards, CI/CD pipeline hardening, and API security testing strategy</li><li>Demonstrated ability to define practical security guardrails for AI/agentic tooling – you understand the risks of LLM integrations, MCP servers, and automated workflows at an architectural level</li><li>Strong detection engineering background – you've designed detection strategy and mentored others in writing rules</li><li>Deep experience with endpoint security tooling (EDR/XDR) and identity & access management architecture in a SaaS-heavy environment (Google Workspace, Okta/Cloudflare Access, SSO/SCIM)</li><li>Experience designing or significantly evolving a vendor security assessment/third-party due diligence program</li><li>Excellent written and verbal communication; comfortable representing security decisions to leadership and cross-functional stakeholders</li><li>Business fluent in English</li></ul><h3>Benefits</h3><ul><li>Competitive salary and benefits </li><li>Stock options, so you own part of what you build</li><li>Discretionary performance bonus</li><li>The latest tools and technology</li><li>A world-class team that will challenge and grow your skills</li><li>The opportunity to help build the best fintech app in Latin America</li><li>Office Policy: 3-4 days a week in-office</li></ul>

Security Engineer, Lead

<h3>What We're Looking For</h3>You'll be ARQ's first Security Engineer based in Brazil – it's the chance to lay the foundation for how we do security in the region and shape how that function grows from here. You'll work closely with our global security team but have real autonomy in deciding what "good" looks like locally, from day one.We're looking for someone who enjoys a multidisciplinary role. Security at ARQ spans Application Security, Security Operations, and Governance/Risk/Compliance, and we need someone comfortable moving across at least two of these three areas – because in a founding role, there's no one else to hand off the parts that don't fit your specialty.<h3>What you'll do</h3><ul><li>Drive application security initiatives: threat modelling, secure code review support, API testing, and security pipeline improvements</li><li>Assess and secure AI/agentic workflows across the company — reviewing prompts, preventing destructive actions, and controlling data exposure</li><li>Build and improve SIEM detection rules, alert pipelines, and automated response playbooks (Datadog SIEM, CrowdStrike, Cloudflare)</li><li>Contribute to incident response readiness, including IR playbooks, tabletop exercises, and forensic procedures</li><li>Conduct cloud security assessments across AWS and Kubernetes environments</li><li>Establish and run the vendor security assessment process — building a scalable due diligence framework for third-party onboarding</li></ul><h3>What you'll need</h3><ul><li>4–7 years in information security, ideally having built or significantly shaped the security function at a startup or high-growth company - you've been the person who sets things up, not just maintains them</li><li>2+ years at a regulated fintech/bank/payment company</li><li>Hands-on experience with cloud infrastructure security (AWS, Kubernetes)</li><li>Familiarity with application security practices: threat modelling, secure code review, CI/CD pipeline hardening, and API security testing</li><li>Ability to assess and secure emerging AI/agentic tooling - you understand the risks of LLM integrations, MCP servers, and automated workflows, and can define practical guardrails</li><li>Working knowledge of SIEM platforms and detection engineering - you've written detection rules</li><li>Experience with endpoint security tooling (EDR/XDR) and identity & access management in a SaaS-heavy environment (Google Workspace, Okta/Cloudflare Access, SSO/SCIM)</li><li>Experience running or contributing to vendor security assessments and third-party due diligence</li><li>Strong written and verbal communication in English</li></ul><h3>Benefits</h3><ul><li>Competitive salary and benefits </li><li>Stock options, so you own part of what you build</li><li>Discretionary performance bonus</li><li>The latest tools and technology</li><li>A world-class team that will challenge and grow your skills</li><li>The opportunity to help build the best fintech app in Latin America</li><li>Office Policy: 3-4 days a week in-office</li></ul>

Security Engineer, Senior

Senior Software Engineer, Onboarding — lead end-to-end onboarding systems for client-facing AI initiatives. Build scalable, reliable experiences that empower global customers to start and scale on Reap.

Senior Software Engineer, Onboarding (Client-facing AI initiatives) - LATAM

Latin America

Senior Software Engineer, Treasury (LATAM): Design and own global money-movement systems for fiat and stablecoins, delivering reliability, scale, and real-world impact.

Senior Software Engineer, Treasury (LATAM)

Remote (LATAM)

Jeeves is a groundbreaking financial operating system built for global businesses that provides corporate cards, cross-border payments, and spend management software within one unified platform. The company operates across 20+ countries including Brazil, Canada, Colombia, Mexico, the United Kingdom, across Europe, and the United States, and serves over 5,000 clients ranging from venture-backed startups to SMBs around the world. With a mission to empower businesses with more efficient and cost-effective financial solutions worldwide, Jeeves combines cutting-edge financial technology with exceptional team expertise to transform the business financial landscape. Jeeves has been recognized as one of The Information's 50 Most Promising Startups in 2023, as well as a Y Combinator Top Company 2021-2023 and won “Fintech of the Year" at the European Fintech Awards.Since graduating from Y Combinator in 2020, Jeeves has successfully raised over $380 million and is backed by top world-class investors including Andreessen Horowitz, Y Combinator, CRV, Tencent, Stanford University, Clocktower Ventures, and founders of more than 15 unicorns including David Velez (Nubank), Carlos Garcia (Kavak) and Sebastián Mejía (Rappi).Jeeves is looking for a Senior Backend Engineer to join our LATAM engineering team. You will design and build the backend systems that power Jeeves's financial platform — working across payments, cards, spend management, and compliance infrastructure that serves businesses across the Americas and beyond.
This is a backend engineering role at its core, we're looking for a strong backend engineer who knows how to work effectively with AI tools, understands where AI can accelerate development and product capabilities, and is comfortable integrating AI-powered features into production backend systems.
Given the global nature of our business and the collaborative nature of our team, fluency in English is required for daily work with engineering, product, and business teams across multiple regions. Fluency in Spanish or Portuguese is equally required — our LATAM teams, customers, and operational partners work in both languages, and you will too.
Location: This is a full-time remote position. #LI-REMOTE<h3>What You'll Do:</h3>Backend Engineering<ul><li>Design, build, and maintain scalable, reliable backend services that process financial transactions and serve Jeeves customers across 20+ countries.</li><li>Write clean, testable, production-quality code in Go, Python, or Node.js/TypeScript; participate actively in design and code reviews.</li><li>Build and consume RESTful and GraphQL APIs; design inter-service communication using gRPC, message queues, and event-driven architectures.</li><li>Design and optimize relational and non-relational database schemas (PostgreSQL, MongoDB, Redis) for correctness, performance, and scale.</li><li>Own backend features end-to-end — from scoping and technical design through deployment, monitoring, and iteration.</li><li>Implement security best practices: authentication, authorization, input validation, and data protection across distributed services.</li></ul>AI-Assisted Feature Development<ul><li>Integrate LLM API calls (e.g., OpenAI, Anthropic) into backend services as product features — such as spend categorization, document parsing, or natural language workflows — ensuring those integrations are reliable, observable, and cost-efficient.</li><li>Build backend pipelines that consume AI-generated outputs safely: validate structured outputs, handle fallback scenarios, and design graceful degradation when AI services are unavailable or return low-confidence results.</li><li>Collaborate with AI and data science teams to integrate model outputs into backend APIs — bridging experimental AI work and production systems.</li><li>Use AI coding tools (GitHub Copilot, Claude, Cursor, etc.) fluently as part of your everyday development workflow.</li></ul>Reliability & Operations<ul><li>Instrument services with structured logging, distributed tracing, and metrics for full operational visibility.</li><li>Participate in on-call rotation; respond to production incidents and contribute to post-incident reviews.</li><li>Contribute to CI/CD pipeline improvements, testing infrastructure, and deployment practices.</li></ul>Cross-Regional Collaboration<ul><li>Work closely with engineering, product, compliance, and data teams across multiple time zones and regions — communicating in both English and Spanish or Portuguese as the situation requires.</li><li>Contribute to a globally distributed engineering culture through thorough documentation, async design reviews, and thoughtful pull request feedback.</li><li>Bring your regional perspective to product and engineering conversations — our LATAM customers have specific needs, and engineers who understand those markets make our product better.</li></ul><h3>Requirements:</h3>Minimum Requirements<ul><li>5+ years of professional backend engineering experience building and operating production systems.</li><li>Fluent in English — professional fluency required for daily work with global teams in written and spoken contexts.</li><li>Fluent in Spanish or Portuguese — required for collaboration with LATAM teammates, customers, and operational partners.</li><li>Strong proficiency in at least one backend language: Go, Python, or Node.js/TypeScript.</li><li>Experience designing and building RESTful APIs, microservices, and event-driven backend systems.</li><li>Solid understanding of relational databases (PostgreSQL preferred): schema design, query optimization, and data modeling.</li><li>Experience with cloud infrastructure (AWS, GCP, or Azure), containerization (Docker, Kubernetes), and CI/CD pipelines.</li><li>Demonstrated ability to integrate third-party APIs reliably in production — including error handling, retry logic, and observability.</li><li>Experience working on globally distributed teams across time zones and regions.</li><li>Comfortable using AI tools as part of everyday engineering work — integrating LLM API outputs into backend services and using AI coding assistants fluently.</li></ul>Preferred Qualifications<ul><li>Experience in fintech, financial services, payments, or a regulated industry — familiarity with ledger systems, payment rails, or financial compliance (KYC/AML, PCI-DSS) is a strong plus.</li><li>Prior experience at a startup or high-growth scale-up, comfortable building in ambiguity without heavy process support.</li><li>Experience with multi-currency systems or cross-border payment processing.</li><li>Familiarity with message queue systems (Kafka, RabbitMQ) and event-driven architecture.</li><li>Global work experience — prior roles at companies operating across multiple countries and regulatory environments.</li><li>Fluency in both Spanish and Portuguese is a meaningful additional asset.</li></ul>
We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.

Senior Backend Engineer

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Join Reap as a Senior Site Reliability Engineer shape reliability for global payments, build self-service infrastructure, and help define the future of borderless finance.

Senior Site Reliability Engineer (LATAM)

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Senior Designer

Web3 Senior Stablecoin jobs in Brazil, LATAMReap, Jeeves and other crypto companies

Browse 2+ Web3 Senior Stablecoin jobs in Brazil, LATAM at Reap, Jeeves. Apply now! Updated October 2026

Job Title	Company Name	Location	Tags
Senior Site Reliability Engineer (LATAM)	Reap	📍 Multiple countries	SRESeniorFull TimeWeb3
Senior Designer	Jeeves	📍 Brazil, LATAM	SeniorDesignerFull TimeWeb3
Past and filled jobs:
Security Engineer, Lead	ARQ		SecurityEngineeringSeniorLead Level
Security Engineer, Senior	ARQ		SeniorSecurityDevopsAI
Senior Software Engineer, Onboarding (Client-facing AI initiatives) - LATAM	Reap		SeniorEngineeringAIFull Time
Senior Software Engineer, Treasury (LATAM)	Reap		SeniorEngineeringBackendStablecoin
Senior Backend Engineer	Jeeves	📍 Brazil, LATAM	BackendSeniorEngineeringFull Time

Web3 Senior Stablecoin Jobs in Brazil, LATAM

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Senior Site Reliability Engineer (LATAM)

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