Full Stack Developer (P-169)

SMASH, Who we are?We are agents for tech professionals in Costa Rica and Colombia that help them build careers in the United States. We believe in long-lasting relationships with our talent. We invest time getting to know them and understanding what they seek as their professional next step. We aim to find the perfect match. As agents, we pair our talent with our US clients, not only by their technical skills but as a cultural fit. Our core competency is to find the right talent fast. We purposefully move away from the “contractor” or “outsourcing” type of relationship. Our clients don’t want contractors or “just a service.” Neither does our talent. Our BenefitsWellness CoverageRemote WorkBirthday day offRecognition and rewards systemReferrals ProgramBusiness skill coachingEnglish classes for Smashers and relativesLearning opportunitiesThis position is Remote to work with a US Company; you will require to have Citizenship or a work permit from Costa Rica, Colombia, Argentina or Salvador to apply for this role. Role summaryYou will develop and enhance enterprise web and desktop applications while collaborating with cross-functional teams to deliver reliable, scalable software solutions. This role focuses on full-stack development, application integrations, and continuous improvement throughout the software development lifecycle. ResponsibilitiesDevelop and maintain web and desktop applications using .NET Core, Flask, Express.js, Angular, and ElectronBuild responsive user interfaces and scalable backend servicesDevelop and optimize SQL Server, PostgreSQL, and MongoDB databasesWrite clean, maintainable code using C#, Python, JavaScript, and TypeScriptParticipate in application architecture and technical design discussionsDevelop and integrate RESTful APIs and third-party servicesPerform unit testing and support defect resolution throughout the development lifecycleTroubleshoot application, database, and integration issues across development, QA, and production environmentsParticipate in code reviews and follow software engineering best practicesSupport production incidents, root cause analysis (RCA), and application maintenanceOptimize applications for performance, scalability, and reliabilityCollaborate with QA, Product, and Engineering teams to deliver high-quality softwareRequirements – Must-havesBachelor's degree in Computer Science, Information Technology, or a related field4+ years of Full Stack software development experienceStrong experience with .NET Core, Flask, and Express.jsExperience developing applications with Angular (React experience is also valuable)Experience with Electron desktop applicationsStrong programming skills in C#, Python, JavaScript, and TypeScriptExperience with SQL Server, PostgreSQL, and MongoDBExperience building and consuming RESTful APIsExperience with Git and Azure DevOpsExperience with Docker, Kubernetes, and microservices architectureStrong analytical and problem-solving skillsExcellent communication and collaboration skillsNice-to-haves (optional)Experience with Microsoft AzureExperience using AI-assisted development tools such as GitHub Copilot, ChatGPT, Claude, or CursorExperience in the travel and transportation industryExperience supporting production environments and application deploymentsLanguagesEnglish C1Spanish C1