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16 days ago
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Requirements and responsibilities
We are looking for a skilled and technically driven Senior Software Engineer (Python) to join a fast-paced cybersecurity environment. You will own and evolve a critical layer of our software ecosystem — including microservices, security tool integrations, and an in-house Python library — that powers MDR operations for 100+ enterprise customers. This is a high-impact role with real ownership and a clear path into technical leadership.The Ideal Candidate Has6+ years of software engineering experience focused on PythonBachelor's degree in Computer Science or equivalent practical experienceIdiomatic fluency in Python, including deep familiarity with the standard library and package ecosystemExpertise in object-oriented programming — classes, inheritance, and encapsulationExperience building web APIs using modern Python frameworks such as FastAPIMastery of asyncio and asynchronous patterns for building non-blocking, scalable servicesProficiency with generators, iterators, decorators, and context managersSolid understanding of the Global Interpreter Lock (GIL) and PEP 8 style guideStrong testing practices using pytest or unittestExperience with continuous deployment using GitHub Actions, Docker, and AWS (ECS or EC2)Deep proficiency with Redis, OpenSearch (or similar), and SQL databases — including query optimization for performance and atomicitySolid understanding of networking protocols, TLS, and firewalls, with practical application-level security experienceProficiency with Git and CI/CD pipelines, automated testing, infrastructure monitoring, and observabilityPortfolio of delivered production systems and/or open-source contributionsStrong communication and collaboration skills across engineering, product, and security operations teamsComfort with zero-downtime deployment requirements and production incident responseKey ResponsibilitiesModernize multiple REST APIs and consolidate them into a unified microservices gatewayDevelop new and maintain existing connectors for ingesting logs from 50+ security tools (EDR platforms, firewalls, cloud services, SaaS applications)Maintain and enhance the in-house Python library used across the platformBuild new applications to expand detection and response capabilitiesServe as a critical technical resource for the Python codebase, leading design discussions and code reviewsMentor and guide junior and mid-level engineering team membersCollaborate with cross-functional teams to design, build, test, and ship new featuresPerks of Working at FusionHitCertified Great Place to Work, offering a supportive and inclusive culture.100% Remote – work from anywhere in Latin America.Personal and Professional Development Courses & Certifications.Flexible Schedule.3 Sick Days per year.Birthday Off.Extra Days for Special Occasions.Team Building Meal Reimbursement.Equipment Provided.Monthly Recognitions and Rewards.
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