• Trabaja en DaCodes! • Somos una firma de expertos en software y transformación digital de alto impacto. • Durante 10 años hemos creado soluciones enfocadas en la tecnología e innovación gracias a nuestro equipo de casi 300 talentosos #DaCoders, incluyendo desarrolladores, arquitectos, diseñadores UX/UI, PMs, QA testers y más. • Nuestro equipo colabora en proyectos con clientes en LATAM y Estados Unidos, logrando resultados sobresalientes. • En DaCodes, tendrás la oportunidad de impulsar tu desarrollo profesional, trabajar en diversos proyectos dentro de distintas industrias, y contribuir al diseño, implementación y optimización de infraestructuras en la nube. • Nuestros DaCoders tienen un gran impacto en el éxito de nuestro negocio y el de nuestros clientes. • Serás el experto que participará en nuestros proyectos y tendrás acceso a startups disruptivas y marcas globales.

• Redesign the webhook processing architecture to support 10x growth. • Architect a new abstraction layer that decouples internal subscription models from Shopify order primitives. • Lead a technical deep-dive on Shopify GraphQL bulk operations and performance tradeoffs. • Write an RFC defining the next generation of Stay’s integration framework. • Review critical infrastructure PRs and guide engineers on distributed systems design. • Implement new APIs and services to unlock the next generation of subscription management and analytics features for merchants. • Design and develop internal tooling when you see opportunities to better enable yourself and other engineers. • Collaborate with your teammates on Eng, Design and Product Management to plan and execute on new projects.

• Develop robust service logic to expose AI models via RESTful APIs using frameworks such as FastAPI or Flask • Collaborate with data scientists, engineers, and product teams to translate business requirements into technical solutions • Work within Azure cloud infrastructure, leveraging containerised environments for scalable and reliable deployments • Support model lifecycle management using tools such as Databricks Mosaic AI and AI Foundry, ensuring governance, traceability, and performance monitoring • Implement data preprocessing pipelines and feature engineering workflows • Ensure codebases are secure, scalable, maintainable, and aligned with software engineering best practices • Monitor deployed models and services, iterating based on performance metrics, feedback, and evolving requirements • Maintain clear documentation and appropriate testing coverage for all developed components • Contribute to shared design, development, deployment, and monitoring practices within cross-functional agile teams

This description is a summary of our understanding of the job description. Click on 'Apply' button to find out more. Role Description We are seeking a very senior Backend Engineer with expert-level experience in Node.js, TypeScript, and serverless AWS architecture. You’ll own core backend systems that power our neobank: payments, wallets, secure authentication, event-driven pipelines, and streaming infrastructures. You’ll work at the intersection of fintech, blockchain, event streaming, and AI, designing mission-critical systems with strong security, compliance, and performance guarantees. This role is ideal for engineers who thrive in fast-moving, high-ownership environments and love pushing what’s possible with AI-assisted development. Key Responsibilities - 10+ years of software engineering experience, with a strong backend record. - Deep expertise in Node.js + TypeScript building distributed systems or financial platforms. - Strong hands-on experience with serverless AWS (Lambda, API Gateway, DynamoDB, Kinesis, EventBridge, Cognito). - Experience designing secure, compliant financial flows (payments, wallets, KYC, auth, etc.). - Solid understanding of real-time protocols: WebSockets, SSE. - Familiarity with stablecoins, blockchain payment flows, or modern payments APIs. - Able to contribute to React Native when needed (not the main focus). - Comfortable in an engineering environment where AI is actively used every day. - Passion for pushing the frontier of AI-driven development, not just adapting to it. Qualifications - 10+ years of professional software engineering experience. - Deep expertise in Node.js + TypeScript, building distributed or financial systems. - Strong hands-on experience with serverless AWS: Lambda, API Gateway, DynamoDB, Kinesis, EventBridge, and Cognito. - Experience designing secure, compliant financial flows (payments, wallets, KYC, identity, auth). - Solid understanding of real-time protocols (WebSockets, SSE). - Familiarity with stablecoins, blockchain transaction flows, or modern payment APIs. Requirements - Ability to contribute to React Native when necessary. - Comfortable in high-AI-usage engineering environments. - Passion for pushing the frontier of AI-driven software development. Benefits - Build a world-class, AI-powered fintech infrastructure platform. - Work in a modern unified TypeScript stack across backend and mobile. - Shape the future of AI-driven engineering workflows. - Solve complex challenges in payments, blockchain, event streaming, reliability, and security. - Join a senior, globally distributed team that values ownership, excellence, and innovation. Interview Process - Introduction with CTO and Head of Engineering. - Technical interview + take-home assessment (45–60 min).