Senior Software Engineer

FusionHit

Senior Software Engineer (Golang) maintaining the core applications for a cybersecurity MDR platform. Collaborating on high-impact security projects with cross-functional teams.

Posted 6/15/2026full-timeRemote • 🇲🇽 MexicoSeniorWebsite

Tech Stack

Tools & technologies

AWSCloudDockerEC2FirewallsGoRedisSQL

About the role

Key responsibilities & impact

Co-own and maintain multiple Golang applications forming the backbone of the MDR platform
Maintain and enhance a high-performance log analytics engine processing events from thousands of sources across hundreds of customers
Maintain and evolve post-processing programs that transform engine output into actionable intelligence for SOC analysts
Maintain and enhance a multi-tenant secure syslog server cluster that receives, buffers, and routes syslog-formatted logs
Build and maintain a cross-platform security agent providing endpoint and server visibility for customers
Make architectural decisions across platform applications and influence technical design reviews
Lead and participate in code reviews, mentoring junior and mid-level engineers
Facilitate knowledge transfer during transition periods and assist with onboarding and hiring as needed
Develop and maintain internal SOPs and software development best practices
Collaborate with cross-functional teams to define, design, and ship new features

Requirements

What you’ll need

6+ years of software engineering experience, with at least 4+ years focused on Go development
Bachelor's degree in Computer Science or equivalent practical experience
Idiomatic fluency in Golang, including deep familiarity with the standard library, goroutine lifecycle management, and channel-based communication
Expertise 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 systems
Mandatory use of context for deadline management, timeouts, and structured cancellation
Experience 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 atomicity
Solid understanding of networking protocols, TLS, and firewalls, with practical application-level security experience
Proficiency with Git, CI/CD pipelines, automated testing, infrastructure monitoring, and observability practices
Portfolio of delivered production systems and/or open-source contributions
Strong communication and collaboration skills across engineering, product, and security operations teams
Comfort with zero-downtime deployment requirements and production incident response.

Benefits

Comp & perks

Certified 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.

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

Golangthread-safe data structuresworker pool patternsmemory-efficient codeGo paradigmscontext managementquery optimizationnetworking protocolsapplication-level securityautomated testing

Soft Skills

communication skillscollaboration skillsmentoringknowledge transfertechnical design reviewsonboardingfacilitationleadership

Certifications

Bachelor's degree in Computer Science