Python Developer - Senior

We are looking for a Senior Application Engineer to design, develop, and support integration services, APIs, middleware, and automation capabilities that enable AI-powered business solutions.The role will focus on building scalable enterprise integrations, connectors, and services that allow AI agents and business applications to securely interact with internal and external systems.We are looking for an engineer who goes beyond simply implementing requirements: someone who understands the intended business outcome and the wider system context, identifies assumptions and trade-offs, and can determine when to proceed independently, seek clarification, or challenge a proposed approach.The ideal candidate combines strong Python software engineering experience with practical expertise in APIs, cloud-native applications, integration patterns, automation, and production systems.ResponsibilitiesDesign, develop, test, deploy, and troubleshoot production REST APIs and integration servicesBuild and enhance MCP (Model Context Protocol) connectors and enterprise integration frameworksDevelop middleware services connecting AI platforms with enterprise applications and data sourcesCreate automation capabilities that streamline business processes and AI-assisted workflowsCollaborate with solution architects, product teams, and business stakeholders to define scalable technical solutionsParticipate in code reviews, architecture discussions, and technical design sessionsEnsure solutions meet security, performance, reliability, scalability, and maintainability standardsContribute to reusable frameworks, libraries, and integration patternsUse AI-assisted development tools such as Codex in day-to-day engineering and review, test, and validate generated codeDiagnose and resolve production issues while considering both technical root causes and business impactRequirements5+ years of professional software engineering experience, with strong experience in PythonProven experience designing and delivering production REST APIsStrong understanding of API design principles, authentication, authorization, and enterprise integration patternsExperience building and supporting cloud-native applications and servicesUnderstanding of event-driven architectures and service-oriented architecturesHands-on experience with automated testing, CI/CD, code reviews, and production troubleshootingStrong problem-solving and analytical skillsAbility to understand the business purpose and wider context behind a technical requirementAbility to identify assumptions, explain technical trade-offs, and propose alternative approaches when appropriateSound technical judgment to determine when to proceed independently, when to request clarification, and when to challenge a requirementStrong written and verbal communication skillsNice to HaveExperience with MCP (Model Context Protocol) or AI agent integration frameworksExperience building enterprise automation solutionsExperience with front-end or UI developmentExperience with Databricks, cloud platforms, or enterprise AI systemsPrevious experience working in consulting or complex enterprise environmentsExperience using AI coding agents such as Codex, Cursor, Claude Code, or similar tools.rn CI/CD workflows and technologiesFluent in EnglishBenefitsAt Devsu, we believe in creating an environment where you can thrive both personally and professionally. By joining our team, you'll enjoy:A stable, long-term contract with opportunities for career growthA remote-friendly culture that promotes work-life balanceContinuous training, mentorship, and learning programs to keep you at the forefront of the industryFree access to AI training resources and state-of-the-art AI tools to elevate your daily workA flexible Paid Time Off (PTO) policy as well as paid holiday daysChallenging, world-class software projects for clients in the US and LatAmCollaboration with some of the most talented software engineers in Latin America and the US, in a diverse work environmentJoin Devsu and discover a workplace that values your growth, supports your well-being, and empowers you to make a global impact.