Responsibilities:-Design, build, and maintain full-stack features across our email and communications platform-Work on systems that handle email delivery at scale — sending infrastructure, queue management, throttling, bounce handling, and deliverability optimization-Build and improve APIs, background services, and data pipelines in .
NET-Develop and maintain cloud-native services in Azure (Functions, Service Bus, Cosmos DB, SQL, Blob Storage, etc.)-Drive modernization efforts — refactoring legacy code, migrating to modern patterns, and improving observability and testability in a production system-Collaborate with product and stakeholders to translate business requirements into well-architected solutions-Participate in code reviews, technical design discussions, and incident response-Balance new feature development with incremental improvements to system reliability, maintainability, and developer experience-Mentor junior engineers and contribute to a culture of engineering excellenceQualifications:-5–7 years of professional software engineering experience-Full-stack development — comfortable owning features from backend to frontend-C# / .
NET — strong experience building APIs, services, and backend systems-Microsoft Azure — hands-on experience with Azure services in production (e.G., App Services, Functions, Service Bus, SQL, Storage)-Email delivery at scale — experience with high-volume email systems,



including familiarity with concepts like SPF/DKIM/DMARC, IP warming, bounce management, feedback loops, and deliverability monitoring-SQL Server — strong experience writing performant queries, designing schemas, and working with relational databases (exposure to PostgreSQL is a plus)-Legacy modernization experience — you've worked in mature codebases and know how to improve systems incrementally without breaking what's already working-Solid fundamentals — distributed systems thinking, API design, testing practices, CI/CD-React / Next.Js — experience building modern frontend applications-Digital marketing domain knowledge — understanding of campaign management, lead generation, marketing automation, or dealer/automotive marketing-Experience with message queue architectures and event-driven systems-Familiarity with email service providers (SendGrid, Mailgun, SparkPost, etc.)-Experience working in a multi-tenant SaaS environment-Must be fluent in English and Spanish.
-Requerimientos- Educación mínima: Educación primaria5 años de experienciaIdiomas: InglésEdad: A partir de 18 añosConocimientos: .
Net, Api, Azure, C#, Java, Javascript, React, Sql, Desarrollo full stack, Automatización de marketingPalabras principal: senior, sr, ingeniero, engineers, ingeniera, ing, engineer, casa, remoto, remote, teletrabajo, home

📌 Senior Software Engineer (Ecatepec de Morelos)
🏢 Leadventure
📍 Ecatepec de Morelos