Software Engineer - Ruby on Rails

About MojoTech
MojoTech is an innovative technology consulting firm that integrates strategy, design, data, and software engineering to create results-driven, AI-enabled digital products and experiences.
We partner with our clients to discover, define, design, and build tomorrow’s innovations, empowering organizations to unlock future market potential, maximize returns on innovation, and drive transformational change.
Role Overview
MojoTech is seeking a Ruby Engineer to join our growing engineering team in Argentina.
As a consultant at MojoTech, you will work across a variety of client engagements, partnering with product managers, designers, engineers, and business stakeholders to solve complex challenges and deliver impactful software solutions. Unlike traditional product companies, our engineers have the opportunity to work across multiple industries, technologies, and teams, gaining exposure to a diverse range of technical and business problems.
Success in this role requires strong technical skills, excellent English communication, and the ability to collaborate effectively with distributed teams and U.S.-based clients. You should be comfortable participating in technical discussions, contributing ideas, and helping clients make informed technology decisions.
Key Responsibilities
Design, build, test, and maintain modern web applications using Ruby on Rails
Collaborate with cross-functional teams including product managers, designers, and fellow engineers
Participate in technical discovery, architecture discussions, and solution design
Develop scalable APIs and backend services
Write clean, maintainable, well-tested code
Contribute to code reviews and engineering best practices
Help identify and resolve technical risks and challenges
Communicate effectively with clients and internal stakeholders
Continuously learn and contribute to the growth of the engineering team
Required Qualifications
3+ years of professional software engineering experience
Experience building and maintaining production applications using Ruby on Rails
Strong understanding of object-oriented programming principles and software design patterns
Experience working with relational databases and API development
Familiarity with Git and collaborative development workflows
Strong problem-solving and analytical skills
Professional working proficiency in English (written and verbal)
Ability to work effectively in a remote, distributed environment
Preferred Qualifications
Experience designing and implementing RESTful APIs and microservices
Experience with cloud platforms such as AWS, Azure, or Google Cloud
Familiarity with containerization technologies such as Docker and Kubernetes
Experience with Python, JavaScript, React, or modern front-end frameworks
Experience working in consulting, agency, or client-service environments
Exposure to mentoring junior engineers or technical leadership responsibilities
Familiarity with mobile application development (iOS or Android)
Experience building and deploying cloud-native or 12-factor applications
Contributions to open-source projects, technical blogs, or conference presentations
What Success Looks Like
Within your first year, you will:
Build strong relationships with clients and teammates
Deliver high-quality, maintainable software solutions
Demonstrate technical ownership and accountability
Contribute to MojoTech's culture of engineering excellence
Continue expanding your technical and consulting capabilities
Employment Structure
We hire employees in Argentina through Deel, our Employer of Record (EOR) partner. Deel serves as your legal employer for payroll, benefits administration, and local compliance purposes, while your day-to-day work, manager, performance reviews, career development, and team experience will be with MojoTech.
This is a full-time employee position, not a contractor role.
Benefits
Competitive salary based on experience
Full-time employment through Deel
Flexible remote work environment
Professional development and training opportunities
Paid conference attendance and annual education stipend
Exposure to modern technologies and diverse client engagements
Opportunity to collaborate directly with U.S.-based clients and teams
Dedicated time for continuous learning and professional growth
Opportunity to contribute to and help shape MojoTech's growing presence in Latin America