Senior Software Engineer

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FusionHit

WebsiteLinkedInAll Job Openings

51 - 200 employees

Founded 2010

🤝 B2B

☁️ SaaS

B2B • Software • SaaS

FusionHit is a trusted Nearshore Agile Development partner with locations in New York and San Jose, Costa Rica. The company specializes in delivering high-quality software solutions through collaborative Agile development teams. Their services include mobile app development, UI/UX design, product development, software testing, blockchain development, and Robotic Process Automation, focusing on innovative technologies and agile processes to ensure a positive digital experience for their clients.

📋 Description

• 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

• 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

• 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.