Clara - Senior Backend Engineer (with Frontend Competency) - LATAM (Remote)
Requirements
• We're looking for an autonomous, systems-minded engineer who loves complex data flows, values strict security, and understands how to deliver clean code from database to browser. • Experience: 5+ years of software engineering experience, with a heavy specialization in Backend/Systems development within a Fullstack or Distributed Systems context. • heavy specialization in Backend/Systems development • Backend Mastery (Java / Spring Boot): Strong proficiency in Java and the Spring ecosystem. Deep understanding of relational databases, concurrency, microservices architecture, and building APIs that scale gracefully. • Backend Mastery (Java / Spring Boot): • Frontend Competency (React): 2+ years of practical commercial experience with React and its modern ecosystem (Hooks, state management). You don't need to be a CSS pixel-perfect designer, but you must be fully confident in building, structuring, and optimizing responsive web apps. • Frontend Competency (React): • React • API & System Integration: Proven experience designing and consuming RESTful and event-driven web services (e.g., Kafka, RabbitMQ). • API & System Integration: • Testing & CI/CD: Strong practices in TDD, integration testing (JUnit, Mockito), and frontend testing, alongside automated deployment pipelines (GitHub Actions). • Testing & CI/CD: • AI-Native Mindset: Demonstrated use of AI tools throughout the development process (design, coding, debugging). Experience using tools like Claude, Copilot, Devin, or workflow automation like n8n is highly valued. • AI-Native Mindset: • Communication: Working proficiency in English and comfort collaborating cross-functionally with Product, Design, and Operations. • Communication: • Fintech Domain Knowledge: Prior experience with high-traffic payment gateways, ledger systems, or local financial networks (like Pix in Brazil). • Fintech Domain Knowledge: • Security & Compliance: Experience handling sensitive financial data (PCI-DSS standards, encryption, tokenization). • Security & Compliance:
Responsibilities
• We're looking for a Senior Backend Engineer to join Clara's Payments Tribe — We are responsible for powering seamless, secure, and scalable financial transactions across our entire platform. • In this role, you will focus heavily on the engine under the hood. Your primary strength and passion lie in backend architecture, distributed systems, system design, and complex data orchestration. While your core focus is the backend, you possess the frontend competence required to build clean, functional user interfaces, and ensure smooth API consumption on our client-side applications. • Your primary strength and passion lie in backend architecture, distributed systems, system design, and complex data orchestration. • AI fluency is central to how we work on this team — you're expected to use it across the full development lifecycle, from design to deployment, and to reach for it whenever it makes you faster or better. • Architect Core Infrastructure: Design, build, and maintain highly secure, resilient backend services in Java/Spring Boot that interface with payment processors and local financial networks across Latin America. • Architect Core Infrastructure: • Optimize Data & Performance: Ensure high-availability and asynchronous processing of transaction financial data, keeping system latency low and success rates high. • Optimize Data & Performance: • Bridge to the Frontend: Develop and maintain the React-based frontend applications, dashboards, and internal tooling that interact with your backend services, ensuring deep integration and clean API consumption. • Bridge to the Frontend: • Leverage AI: Use AI tools to automate repetitive engineering workflows, accelerate delivery, and close skill gaps — from scaffolding new banking integrations to generating and reviewing code. • Leverage AI: • Lead & Mentor: Set the technical bar through backend code reviews, robust system design reviews, and hands-on mentorship of junior and mid-level engineers. • Lead & Mentor: • Own System Observability: Implement monitoring, logging, and tracing across the full stack to quickly isolate and fail-gracefully when external financial APIs experience downtime. • Own System Observability:
Benefits
• At Clara, you’ll have the autonomy, speed, and support to make meaningful impact — not just on your team, but on how organizations are run across Latin America. • Competitive salary and stock options (ESOP) from day one • Multicultural team with daily exposure to Portuguese, Spanish, and English (our corporate language) • Portuguese, Spanish, and English • Annual learning budget and internal accelerated development paths • High-ownership environment: we move fast, learn fast, and raise the bar — together • Smart, ambitious teammates — low ego, high impact • Flexible vacation and hybrid work model focused on results • hybrid work model • If you’re ready for growth, ownership, and impact — apply now and help us redefine B2B finance in Latin America. • Clara’s Hybrid Policy • Claridians in a hybrid mode split their time between working from the office, talking to or visiting customers, or working from home. This hits a balance between bringing people together for in-person collaboration and learning from each other, while supporting flexibility about how to do this in a way that makes sense for each individual and team. • We don't enforce a minimum number of days for most roles, but you're expected to spend time at the office organically, and be at the office most days during your ramp-up or when required by your leader.
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