Senior Software Engineer (C-527)

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 as individuals and understanding what they are looking for as their professional next step.We aim to find the perfect match. As agents, we make sure to 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 BenefitsWork from everywherePrivate Medical InsuranceEnglish Academy for Employees and RelativesBusiness Skills Coach – CertificationsDiscounts with Tech UniversitiesEvents and additional PerksThis is a remote position for Costa Rica and ColombiaThis position is Remote to work with a US Company, you will require to have Citizenship or work permit from Costa Rica or Colombia to apply for this role.Core Skills:Proven Experience:

7+ years of professional experience in software development, particularly in high-performance, scalable systems.Programming Expertise:

Proficiency in Python, JavaScript (ES6+), TypeScript, Node.js and React is highly desirable. Experience with multiple languages is a plus.API Development:

Extensive experience designing, developing, and consuming RESTful APIs. Deep understanding of API design principles (REST, OpenAPI) and best practices.API Documentation:

Experience with API documentation tools (e.g., Swagger, Postman) to create clear and comprehensive API documentation.System Design Skills:

Strong ability to design complex, scalable systems and architectures. Experience with microservices, cloud-native applications, and distributed systems. Working on both front-end and backend applications.Data Structures & Algorithms:

Deep understanding of data structures, algorithms, and their practical applications. Ability to optimize code for performance.Database Management:

Strong understanding of relational databases (e.g., PostgreSQL, MySQL, RDS) and NoSQL databases (e.g., DynamoDB, MongoDB). Experience with database design, theoretical knowledge of database optimization and data modeling.Software Development Lifecycle:

Expertise in Agile methodologies, including experience with version control (Git), automated testing, continuous integration, and continuous delivery with GitHub Actions.Problem-Solving Skills:

Strong analytical and problem-solving abilities. Experience with debugging complex systems and optimizing performance.Collaboration & Communication:

Excellent verbal and written communication skills. Ability to lead and mentor junior engineers and work effectively in a team-oriented environment.Security Awareness:

Understanding of software security best practices and experience implementing secure coding practices.Cloud and DevOps:Cloud Technologies:

Hands-on experience with AWS services (e.g., EC2, S3, Lambda, RDS) and Infrastructure as Code (IaC) using Terraform.Containerization:

Familiarity with containerization technologies (Docker) and container orchestration platforms (Kubernetes, ECS, Fargate).CI/CD:

Experience setting up and managing CI/CD pipelines using GitHub Actions or similar tools (Jenkins, CodePipeline, Travis etc.).Software Engineering Practices:Agile Development:

Expertise in Agile methodologies and Scrum.Version Control:

Proficiency with Git and collaborative development workflows.Testing:

Experience with various testing methodologies (unit testing, integration testing, load testing, end-to-end testing) and testing frameworks (Testing Library etc.).Code Quality:

Commitment to writing clean, legible, well-documented, and maintainable code. Experience with code reviews and code quality tools.Security:

Understanding of software security best practices, familiarity with OWASP guidelines and secure coding principles.Collaboration and Communication:Communication Skills:

Excellent verbal and written communication skills.Collaboration:

Proven ability to work effectively in a team environment and collaborate with cross-functional teams (sales, product managers, designers, QA).Mentorship:

Proven ability to mentor junior engineers and provide technical guidance.Nice-to-Haves:Experience with Firebase or Supabase.Familiarity with e-commerce or retail systems (SAP, Salesforce etc.).Experience with performance monitoring and optimization tools (Prometheus, New Relic, openTelemetry, etc.).Knowledge of accessibility standards.Education:Bachelor’s or master's degree in computer science, engineering, or a related field, or equivalent practical experience.

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