Senior Software Engineer, Python

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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

• Modernize multiple REST APIs and consolidate them into a unified microservices gateway • Develop 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 platform • Build new applications to expand detection and response capabilities • Serve as a critical technical resource for the Python codebase, leading design discussions and code reviews • Mentor and guide junior and mid-level engineering team members • Collaborate with cross-functional teams to design, build, test, and ship new features

🎯 Requirements

• 6+ years of software engineering experience focused on Python • Bachelor's degree in Computer Science or equivalent practical experience • Idiomatic fluency in Python, including deep familiarity with the standard library and package ecosystem • Expertise in object-oriented programming — classes, inheritance, and encapsulation • Experience building web APIs using modern Python frameworks such as FastAPI • Mastery of asyncio and asynchronous patterns for building non-blocking, scalable services • Proficiency with generators, iterators, decorators, and context managers • Solid understanding of the Global Interpreter Lock (GIL) and PEP 8 style guide • Strong testing practices using pytest or unittest • Experience 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 atomicity • Solid understanding of networking protocols, TLS, and firewalls, with practical application-level security experience • Proficiency with Git and CI/CD pipelines, automated testing, infrastructure monitoring, and observability • 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.