Jobs at ARQ

Design, develop, and maintain scalable, secure backend systems for fintech products. Build REST APIs and microservices supporting card payments, treasury management, transaction booking, and crypto liquidity. Contribute to greenfield development and existing-system improvements using Java, PostgreSQL, and Spring Boot. Apply clean code, TDD, DDD, and CI/CD practices while collaborating with a high-performing team.

Design, develop, and maintain scalable, secure backend systems for fintech products. Build REST APIs and microservices supporting card payments, treasury management, transaction booking, and crypto liquidity. Work on greenfield development and existing-system improvements using Java, PostgreSQL, and Spring Boot, with emphasis on clean, maintainable code, TDD, DDD, and CI/CD. Collaborate with a high-performing team to deliver products used by millions of people.

Design, develop, and maintain scalable, secure backend systems for fintech products. Build REST APIs and microservices supporting card payments, treasury management, transaction booking, and crypto liquidity. Contribute to greenfield development and existing-system improvements using Java, PostgreSQL, and Spring Boot, while applying clean code, TDD, DDD, and CI/CD practices. Collaborate with a high-performing team to deliver maintainable products used by millions of people.

Design, develop, and maintain scalable backend systems for fintech products. Build REST APIs and microservices supporting card payments, treasury management, transaction booking, and crypto liquidity. Develop primarily with Java 25, PostgreSQL, and Spring Boot while applying clean code, TDD, DDD, and CI/CD practices. Collaborate with a strong engineering team to deliver secure, maintainable systems and improve existing platforms.

Design, develop, and maintain scalable, secure backend systems for fintech products. Build REST APIs and microservices supporting card payments, treasury management, transaction booking, and crypto liquidity. Work on greenfield and existing systems using Java, Spring Boot, PostgreSQL, TDD, DDD, and CI/CD, while collaborating with a high-performing team to deliver maintainable products.

Design, develop, and maintain scalable, secure backend systems for fintech products. Build REST APIs and microservices supporting card payments, treasury management, transaction booking, and crypto liquidity. Work primarily with Java, PostgreSQL, and Spring Boot while applying clean code, TDD, DDD, and CI/CD practices. Collaborate with a high-performing team to deliver greenfield projects and improve existing systems used by millions of people.

Own and build the KYC customer verification product: define vision and roadmap, lead engineers and cross-functional teams, translate regulatory and risk needs into product specs, track KPIs, optimize verification journeys, and continuously improve onboarding and due diligence.

The Growth Analytics Lead will analyze growth data, define KPIs, conduct complex analyses, and support strategic recommendations for business performance.

As a FinCrime Analyst, you'll investigate financial crime alerts, enhance monitoring processes, respond to regulatory requests, and collaborate with teams to strengthen AML controls.

As a Tech Talent Acquisition Specialist, you'll hire top talent, build a recruitment team, and execute talent programs while focusing on candidate experience and relationship building.

Work directly with founders to lead cross-functional, revenue-driving initiatives: launch monetization streams, design activation and cross-sell programs, execute local growth (community, affiliates, influencers), negotiate commercial terms, and track P&L impact of projects to improve revenue, margins, and operating costs.

As a Product Designer at ARQ, you'll create user-centered designs for a wealth and investment product, collaborating with teams to enhance user experience and bring concepts to life using Figma.

Own and scale ARQ’s performance-based partnerships channel in Brazil. Source prospective partners, negotiate CPA and revenue-share agreements, onboard and activate partners, manage ongoing relationships and payments, and optimize performance using partner and channel data. Collaborate with Legal and Finance to ensure compliance with Brazilian regulatory and tax requirements. Success is measured by partnership volume and activated users.

Leads U.S. compliance work across BSA/AML, consumer financial protection, banking, payments, and card-network requirements. Reviews transaction-monitoring alerts, investigates suspicious activity, prepares SAR recommendations, and handles sanctions, PEP, and other high-risk cases. Translates regulations into controls and procedures, advises product and engineering teams, improves KYC/KYB and monitoring processes, supports audits and examinations, and manages relationships with regulators, banking partners, and internal stakeholders.

Own ARQ’s internal operating system, including the company-wide KPI platform, employee directory, and back-office tools. Define product strategy, roadmap, and execution; establish KPI ownership across departments; partner with engineering on architecture and schemas; and improve adoption through usage tracking and internal feedback. The role works closely with founders and cross-functional leaders to build scalable systems from scratch.

Own ARQ's global licensing pipeline end-to-end: track applications, manage milestones and cross-functional deliverables, coordinate external counsel, draft regulatory submissions, build templates and frameworks, monitor regulatory developments, and support renewals to ensure regulatory permissions for growth.

Founding security engineer for Brazil responsible for application security, cloud (AWS/Kubernetes) assessments, detection engineering, incident response, vendor due diligence, and defining AI/agentic workflow guardrails. Lead security roadmap, harden CI/CD and APIs, design detection and alerting across Datadog/CrowdStrike/Cloudflare, and mentor engineers while collaborating with global security team.

Lead and establish ARQ's security function in Brazil across application security, security operations, and GRC. Drive threat modelling, secure code review, API and AI/agentic workflow assessments, SIEM detection and response (Datadog, CrowdStrike, Cloudflare), incident response readiness, cloud security (AWS, Kubernetes), and vendor security assessments.

Founding Security Engineer for ARQ Brazil responsible for application security, detection engineering, incident response, cloud (AWS/Kubernetes) assessments, vendor security reviews, and AI/agentic risk monitoring. Build SIEM detections, maintain alert pipelines, run IR playbooks, and support threat modeling, secure code review, and CI/CD checks.

Design, build, and deploy machine learning models to detect fraud, prevent losses, and monitor risk. Work with Product, Engineering, and Operations to turn large-scale data into production-ready pipelines and model-serving solutions, monitor performance, and continuously improve model accuracy and business impact.