ph3bBackend Engineer – AI Integrations /b /h3 pbLocation: /b Remote (Madrid Hybrid)br/bDepartment: /b Engineering /p h3bAbout Vic.ai /b /h3 pVic.ai is building the future of autonomous accounting using AI. We help finance teams eliminate manual invoice processing and unlock real-time financial intelligence by combining advanced machine learning, OCR, and scalable backend systems. Our platform processes hundreds of millions of invoices with exceptional accuracy, and we’re just getting started. /p pWe’re a venture-backed, product-driven company solving deeply technical problems at scale, and we’re looking for engineers who want to build real AI systems that run in production for real customers. /p h3bThe Role /b /h3 pWe're seeking a Senior Backend Engineer to join the team behind our AI-first, in-house iPaaS: the integration platform that connects our customers' ERP and financial systems to Vic.ai. It reliably syncs data into Vic and pushes results back out at scale, with AI used to accelerate how quickly we onboard new customers. /p pYou’ll spend the majority of your time building and operating this platform, and you’ll also contribute across our broader backend surface (Public API and core services) as priorities demand. /p pThis is a hands‑on, senior‑level role for an engineer who thrives in complex, high‑scale environments and takes pride in building reliable, performant systems. /p h3bWhat You’ll Do /b /h3 ul lipBuild and operate integrations that move data bidirectionally between customers' ERP systems and Vic.ai. /p /li lipDevelop backend services in TypeScript/Node.js (HTTP APIs, queue‑based workers, PostgreSQL). /p /li lipDesign integrations against third‑party APIs (REST, SOAP, OData, OAuth2) with explicit,



typed contracts. /p /li lipMake jobs idempotent and replay‑safe, including retries, rate limiting, dead‑lettering, and correlation/audit logging. /p /li lipOwn services from development through production, including deployment on AWS, monitoring, and issue resolution within defined SLAs. /p /li lipContribute to the AI‑assisted tooling that speeds up customer onboarding. /p /li lipSupport adjacent backend domains as needed (Public API and core services in Elixir/Phoenix, plus Python services). /p /li lipContribute to architectural decisions and long‑term platform scalability. /p /li lipIdentify, troubleshoot, elevate, and resolve issues related to performance, accuracy, and system stability. /p /li /ul h3bOur Stack /b /h3 ul lipBackend: Elixir/Phoenix and TypeScript/Node.js, plus Python for our AI and ML services /p /li lipFrontend: React + TypeScript /p /li lipData processing: PostgreSQL with queue‑based, distributed processing (RabbitMQ, Oban, BullMQ) /p /li lipInfrastructure: AWS, containerized deployment (Docker/Kubernetes), with first‑class observability and structured logging /p /li lipTooling delivery: GitHub, GitHub Actions CI/CD /p /li /ul h3bWhat You’ll Bring /b /h3 ul lipBachelor’s or Master’s degree in Computer Engineering, Computer Science, or a related field (preferred).



/p /li lip2+ years building and operating production backend systems, primarily in TypeScript/Node.js, Elixir/Phoenix, Python. Strong backend engineers from other stacks who are eager to work in TypeScript are welcome. /p /li lipExperience building on top of LLMs. /p /li lipExperience integrating with third‑party APIs (REST, SOAP, OData, OAuth2, webhooks). /p /li lipSolid grasp of queue‑based and distributed systems: idempotency, retries, dead‑lettering, and backpressure. /p /li lipProven experience taking systems from development to production and operating them using best practices. /p /li lipStrong understanding of performance monitoring, logging, observability, and operational reliability. /p /li lipExperience scaling and optimizing relational databases. /p /li lipExposure to IT security principles and demonstrated adherence to secure development practices. /p /li lipAbility to work independently, take ownership, and operate effectively in a fast‑moving environment. /p /li /ul h3bWhy Work at Vic.ai /b /h3 ul lipBuild real AI systems that operate at scale in production. /p /li lipOwn critical backend infrastructure that directly impacts customers. /p /li lipWork alongside experienced engineers, data scientists, and product leaders. /p /li lipTackle complex technical challenges with autonomy and accountability. /p /li lipBe part of a company redefining how finance teams operate, using AI that actually works. /p /li /ul pIf you’re excited about building intelligent backend systems, owning production‑grade AI pipelines, and pushing the boundaries of applied machine learning in real‑world environments, we’d love to meet you. /p /p #J-18808-Ljbffr

📌 Senior Backend Engineer (Madrid)
🏢 Vic.ai
📍 Madrid