Senior Software Engineer - Python & React

**Description** We are looking for a Senior Software Engineer to join our fast\-paced, dynamic environment at FusionHit. In this role, you will design, build, and deliver sophisticated full\-stack web applications that power real\-world business solutions. You will collaborate with a high\-performing engineering team to design scalable, high\-performance systems using modern technologies such as Python, React, TypeScript, PostgreSQL, and AWS. If you are passionate about clean code, system architecture, cloud\-native applications, and solving complex business challenges — this is your opportunity to make a high impact. Our client operates in the technology industry, delivering innovative and scalable digital solutions to businesses worldwide. This project focuses on building robust, cloud\-based applications that support mission\-critical workflows and high\-availability environments. Location: Must reside and have work authorization in Latin America. Availability: Must be available to work with significant overlap with Mountain Standard Time (MST). The Ideal Candidate Has: * Minimum 5\+ years of professional experience in software development * Strong programming experience in Python (mandatory) * Strong experience building modern front\-end applications using React and TypeScript (mandatory) * Solid understanding of Data Structures \& Algorithms (DSA * Experience designing and implementing RESTful APIs and backend services * Strong knowledge of Microservices architecture and distributed systems concepts * Hands\-on experience with PostgreSQL and relational database design * Experience working with AWS services (EC2, S3, RDS, Lambda, ECS, or similar) * Familiarity with CI/CD pipelines and DevOps practices * Experience writing unit, integration, and end\-to\-end tests * Strong understanding of software engineering best practices: clean architecture, code reviews, testing strategies, monitoring, and logging * Experience with monitoring and observability tools is a plus * Strong analytical, debugging, and problem\-solving skills * Excellent communication skills in English (C1 preferred, strong B2 may be considered) Key Responsibilities: * Design, develop, and deliver scalable full\-stack web applications * Build reusable, maintainable, and high\-quality front\-end and back\-end components * Architect and implement cloud\-native solutions on AWS * Develop and maintain RESTful APIs and backend services using Python * Ensure high coding standards, consistency, and performance optimization across projects * Monitor system performance and resolve production issues within defined turnaround times * Participate in architecture discussions and contribute to technical decision\-making * Implement secure, scalable, and maintainable database structures * Write efficient, testable, and well\-documented code * Develop and execute unit, integration, and end\-to\-end tests * Collaborate closely with cross\-functional teams to meet project timelines * Contribute to continuous improvement in performance, scalability, and reliability Perks of Working at FusionHit: * Certified as a Great Place to Work, offering a supportive and inclusive work culture * Work from home position * Corporate Access to FusionHit Udemy Account * 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 Granted * Monthly Recognitions * High Impact Committees