Senior Ruby / React Full Stack Engineer

We have a new urgent request from one of our strategic clients based in the U.S. This is a long-term role, and we are open to candidates from Mexico, Colombia, and Argentina.

ABOUT THE ROLE

We are seeking an experienced and forward-thinking Senior Software Engineer to join our Engineering team in delivering reliable, scalable, and high-quality digital products. This role will contribute to the design, development, and evolution of our technology platforms, leveraging modern engineering practices, cloud-native architectures, and AI- assisted development tools. The ideal candidate is a strong technical leader and hands-on engineer who can influence system design and architecture, write high-quality, maintainable code, and drive best practices throughout the software development lifecycle. This individual will collaborate closely with cross-functional teams, contribute to technical decision-making, and help continuously improve engineering processes, performance, and scalability.

WHAT YOU'LL DO

As a Senior Software Engineer on our team, you will:

● Design and build scalable, performant, secure, and highly available systems in a continuous delivery environment

● Write clean, modular, and maintainable code with unit test coverage

● Implement strategies for standardizing design patterns to accelerate development velocity across the team

● Take ownership of your work and deliver high-quality results

● Collaborate with cross-functional teams and participate in all phases of the software development lifecycle (SDLC)

● Help influence and prioritize work to enable efficient, iterative delivery

● Translate high-level strategies into actionable engineering tasks in partnership with product and engineering leadership

● Identify bottlenecks and system constraints, and proactively drive solutions

● Reduce technical debt and improve the developer experience to keep systems modern, fast, and maintainable

● Produce technical documentation, schematics, and architecture diagrams

● Advocate for and implement best practices in testing, code quality, performance, and tooling

● Participate in code reviews, pair programming, and knowledge-sharing initiatives

● Use monitoring, metrics, and logging to troubleshoot and resolve production issues with your team

WHAT WE'RE LOOKING FOR

● 5+ years of technical expertise, including recent experience architecting, designing, and developing technology platforms using Ruby on Rails, Node.js, JavaScript, and TypeScript

● 3+ years of experience working with relational and NoSQL database platforms (MySQL, MongoDB)

● Some experience with modern caching technologies (Redis preferred)

● Experience working in a geographically dispersed team within a collaborative, team-driven Agile software engineering environment

● Experience developing and deploying applications in cloud environments, including familiarity with cloud-native architectures and services

● Strong understanding of software engineering best practices and design patterns

● Ability to work across multiple technologies and platforms

● Ability to write high-quality, modular, maintainable, secure, and testable code

● Familiarity with testing best practices, including unit and integration testing

● Experience with frontend frameworks such as Vue.js, Vuetify, or Angular

● Experience designing and building APIs (REST, GraphQL)

● Experience with background processing tools such as Sidekiq

● Strong understanding of service-oriented and/or microservices architectures (event-driven patterns are a plus)

● Ability to contribute and grow within a team-oriented environment, with strong intellectual curiosity and a desire for continuous learning

BONUS POINTS FOR

● Experience leveraging AI-assisted development tools or integrating AI/ML capabilities into products or engineering workflows

● Experience with and developing for the Raspberry Pi platform

● Experience developing mobile applications for iOS and Android

● Experience working in high-availability, high-traffic production environments

● Experience developing or integrating with movie theater or entertainment systems

● Experience working with CRM, loyalty, and membership solutions

● Experience integrating payment platforms, including EMV and card reader integrations

● Experience with monitoring, logging, and observability tools

● Understanding of the “Fail Fast, Learn Fast” mindset and continuous improvement

Mindtech is your gateway to exciting and impactful technology projects. We specialize in end-to-end software outsourcing, connecting Latin American talent with global opportunities. Our agile approach ensures that our clients receive exceptional service and innovative solutions. With a diverse team of over 80 skilled professionals based in Latin America and the U.S., we are committed to delivering software that drives success.