Lead 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). Key Responsibilities: 2+ years of experience leading/mentoring a team of engineers5+ years working as a backend software engineer using Typescript, Python, or Golang as your primary language3+ years working with React-based frontends (vanilla React, Next, Tanstack, Remix, etc)Successful experience with architectural patterns for large, high-scale web applications (well-designed API’s, high-volume pipelines, efficient algorithms) in cloud technologiesExperience in working in a microservices architecture – strong API design, management and use, messaging and event-handling (i.e. SQS, SNS, Kafka, etc), and consumable data patternsExperience coding to write to and read from: relational data systems (MySQL, Postgres, Redshift, etc.) In-memory data stores (Redis/Memcached) and NoSQL data systems (MongoDB, CouchDB, DynamoDB)Building DevOps (CI/CD) pipelines from code repositories (GitHub) and secure coding practices (OWASP and SANS)Experience in building a platform and user experience that streams individualized, personalized content and that leverages repeatable, data-based patternsKnowledge of agile and Scrum principles and a willingness to hone your use of agile methodsConsistently deliver completed work independently but know how to work within your team to get help as neededStrong team-oriented mindset with heavy focus on collaboration and mentorshipStrong communication and interpersonal skills (integrity, patience, empathy, etc.) The Ideal Candidate Has: Strong experience with AWS Cloud components (EC2, ECS, Lambda / SAM (Serverless), Step Functions, SQS, SNS, RDS, Airflow, Glue, EC2, S3)Strong experience with Infrastructure as Code leveraging Terraform. Experience with CDK/SAM, Pulumi also acceptedRelational Database design and development (preferably experience with high volumes of data, 1,000,000s of records and up)Strong Golang ExperienceStrong Python + Typescript experienceProficient with React / Next.jsStrong experience with SDLC best practicesTroubleshooting / Performance tuningPerks of Working at FusionHit: • Certified as a Great Place to Work, offering a supportive and inclusive work culture. • Work from home position • 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 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). Key Responsibilities: 2+ years of experience leading/mentoring a team of engineers5+ years working as a backend software engineer using Typescript, Python, or Golang as your primary language3+ years working with React-based frontends (vanilla React, Next, Tanstack, Remix, etc)Successful experience with architectural patterns for large, high-scale web applications (well-designed API’s, high-volume pipelines, efficient algorithms) in cloud technologiesExperience in working in a microservices architecture – strong API design, management and use, messaging and event-handling (i.e. SQS, SNS, Kafka, etc), and consumable data patternsExperience coding to write to and read from: relational data systems (MySQL, Postgres, Redshift, etc.) In-memory data stores (Redis/Memcached) and NoSQL data systems (MongoDB, CouchDB, DynamoDB)Building DevOps (CI/CD) pipelines from code repositories (GitHub) and secure coding practices (OWASP and SANS)Experience in building a platform and user experience that streams individualized, personalized content and that leverages repeatable, data-based patternsKnowledge of agile and Scrum principles and a willingness to hone your use of agile methodsConsistently deliver completed work independently but know how to work within your team to get help as neededStrong team-oriented mindset with heavy focus on collaboration and mentorshipStrong communication and interpersonal skills (integrity, pat