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15 days ago
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Requirements and responsibilities
We are looking for a highly skilled and technically driven Senior Software Engineer (Golang) to join a fast-paced cybersecurity environment. You will own and evolve the core applications powering an MDR (Managed Detection and Response) platform, working alongside cross-functional teams to deliver high-impact security infrastructure at scale. This is a high-visibility role with a clear path into technical leadership.The Ideal Candidate Has6+ years of software engineering experience, with at least 4+ years focused on Go developmentBachelor's degree in Computer Science or equivalent practical experienceIdiomatic fluency in Golang, including deep familiarity with the standard library, goroutine lifecycle management, and channel-based communicationExpertise implementing thread-safe data structures, worker pool patterns, and memory-efficient code (heap allocation minimization, runtime profiling, buffer pre-allocation)Mastery of Go paradigms including interfaces and generics to build modular, maintainable systemsMandatory use of context for deadline management, timeouts, and structured cancellationExperience with continuous deployment using GitHub Actions, Docker containers, and cloud infrastructure (AWS ECS, EC2, or equivalents)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, CI/CD pipelines, automated testing, infrastructure monitoring, and observability practicesPortfolio 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 ResponsibilitiesCo-own and maintain multiple Golang applications forming the backbone of the MDR platformMaintain and enhance a high-performance log analytics engine processing events from thousands of sources across hundreds of customersMaintain and evolve post-processing programs that transform engine output into actionable intelligence for SOC analystsMaintain and enhance a multi-tenant secure syslog server cluster that receives, buffers, and routes syslog-formatted logsBuild and maintain a cross-platform security agent providing endpoint and server visibility for customersMake architectural decisions across platform applications and influence technical design reviewsLead and participate in code reviews, mentoring junior and mid-level engineersFacilitate knowledge transfer during transition periods and assist with onboarding and hiring as neededDevelop and maintain internal SOPs and software development best practicesCollaborate with cross-functional teams to define, design, 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.
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