Senior Fullstack Engineer

Clara · São Paulo, São Paulo, Brazilsenior

En corto

▸Ingeniero fullstack senior que impulsa integraciones técnicas con clientes y partners, desde la evaluación hasta la entrega.
▸Trabajas directamente con equipos técnicos externos, construyendo soluciones personalizadas y mejorando la plataforma con patrones reutilizables.
▸Destacado: eres el propietario técnico principal de cada integración, actuando como enlace clave entre producto, tecnología y clientes.

🌐 Proficiency in English is required for collaboration with global teams.

En ~1 minuto te damos: quién te entrevista, las preguntas probables con respuestas desde tu CV, y tu CV adaptado a esta vacante. Gratis, sin tarjeta.

¿Qué piden?

✓Experiencia directa con partners o clientes en rol técnico, gestionando relaciones y soluciones.
✓Capacidad para diseñar soluciones desde cero según necesidades del cliente.
✓4+ años de experiencia en desarrollo backend con enfoque en APIs, webhooks y mapeo de datos.
✓Fluidez en patrones de integración: REST, arquitectura basada en eventos, OAuth, idempotencia.
✓Habilidades de comunicación excepcionales para coordinar con stakeholders técnicos y no técnicos.
✓Capacidad para actuar rápido en entornos ambiguos: cualificar, escalar y comenzar integraciones en días.

¿No cumplís todo? Es lo normal — tu dossier gratis te dice qué gaps tenés y cómo cubrirlos en la entrevista.

RESTwebhooksOAuthidempotencyevent-driven architecturesAPI integrationsdata mappingintegration frameworkshared librariessandbox testing

🎯 ¿A quién escribirle en Clara?

Tu dossier gratis identifica a las personas que te entrevistarían — con su background, qué valoran y cómo escribirles para destacar antes de aplicar.

Ready to accelerate your career? Clara is the fastest-growing company in Latin America. We've built the leading solution for companies to make and manage all their payments. We already help over 20,000 large and growing businesses operate with agility and financial clarity through locally issued corporate cards, bill pay, financing, and a powerful B2B platform built for scale. Clara is backed by some of the most successful investors in the world, including top regional VCs like monashees, Kaszek, and Canary, and leading global funds like Notable Capital, Coatue, DST Global Partners, ICONIQ Growth, General Catalyst, Citi Ventures, SV Angel, Citius, Endeavor Catalyst, and Goldman Sachs - in addition to dozens of angel investors and local family offices. We’re building the financial infrastructure that powers high-performing organizations across the region. We invite you to join us if you want to be part of a fast-paced environment that will accelerate your career and support you to do some of the best work of your life alongside a passionate and committed team distributed across the Americas. We're looking for a Forward-deployed Engineer to sit at the intersection of Product Engineering and our Go-To-Market teams, embedded directly with partners and customers to ship integrations fast, acting as the primary technical owner for every integration in your portfolio. You'll own the full integration lifecycle from qualification to handoff, working hands-on with technical and non-technical stakeholders on both sides. You'll write real code, shape the integration framework, and feed patterns back into the platform. In this role, you will: • Own the full integration lifecycle for partners and customers who need hands-on delivery support, qualification, scoping, build, and handoff • Run Phase 0 qualification assessments — mapping systems, data flows, risk surface, and build approach before committing to timelines • Build and configure integration connectors, data mappings, and partner adapters using Clara's integration framework and shared libraries • Coordinate directly with partner technical teams throughout the build, acting as the primary technical point of contact • Partner with Platform/API squads to leverage core primitives (webhooks, auth patterns, event contracts) and flag reuse opportunities • Ensure every integration meets Clara's standards: idempotency, observability, secrets management, data minimization, and sandbox testing • Drive clean handoffs — delivering runbooks, dashboards, on-call assignments, and support playbooks before marking an integration as done • Feed learnings back into the platform: identify patterns that should become shared libraries or configuration Who you are We're looking for someone who meets the minimum requirements to be considered for the role. Must haves: • Experience working directly with external partners or customers in a technical capacity, you're comfortable owning the relationship, not just the code • Working directly with end customers • Designing the solution from scratch to meet customer needs • Great communication skills • 4+ years of backend software development experience, with hands-on exposure to API integrations, webhooks, and data mapping • Deep fluency in integration patterns: REST, event-driven architectures, OAuth/token management, idempotency • Ability to move fast in ambiguous environments: qualify a new integration request, scope it, and start building within days • Strong proficiency in one or more backend languages (pre

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