Associate Software Engineer

El Comeback • San Juan, PR

17h

About The Position

Positions posted by El Comeback are done on behalf of companies that we support in their search for candidates.  Job Title: Associate Software Engineer Location: San Juan, Puerto Rico About Xtillion Our client, Xtillion is a fast-growing AI solutions firm helping organizations build, operationalize, and scale high-value AI systems. We deliver end-to-end solutions, from design to deployment in real-world environments, combining deep data expertise with a strong focus on measurable business impact. Based in San Juan, Puerto Rico, Xtillion partners with organizations across U.S. industries to solve complex, high-impact business problems. We invest in our people and offer opportunities to work on technically challenging, customer-facing systems that directly influence client success. About the Role We're looking for an Associate Software Engineer to join our growing team. This role is ideal for engineers who are looking to deepen their skills in software engineering, data systems, and applied AI while contributing to real client and internal projects. As an Associate Software Engineer, you'll build on your existing foundation through a combination of structured onboarding, mentorship, and hands-on project work. You'll collaborate closely with experienced engineers and cross-functional teams to design, build, and maintain reliable, scalable software solutions used in production environments.

Requirements

• Bachelors degree in Computer Science, Software Engineering, or a related field.
• 1+ years of professional software engineering experience, or equivalent hands-on experience through internships or production-level projects
• Proficiency in at least one programming language (e.g., Python, Java, C++)
• Strong understanding of software development fundamentals, including data structures and algorithms
• Experience working with SQL, databases, or data-intensive systems
• Experience working with Git or other version control systems
• Familiarity with Agile or Scrum development methodologies
• Strong written and verbal communication skills in English
• Ability to work independently while collaborating effectively within a team
• A proactive, positive attitude with strong organizational and problem-solving skills
• Comfort working in fast-paced, evolving environments

Nice To Haves

• Prior internship, research, or hands-on project experience in software engineering
• Exposure to backend development frameworks or API development through coursework or projects
• Experience with cloud platforms (AWS, Azure) through academic, personal, or internship projects

Responsibilities

• Build and strengthen core software engineering skills through Xtillion's structured onboarding and ongoing technical development programs
• Collaborate with cross-functional teams to understand business problems and technical requirements
• Contribute to the design and implementation of software applications and data workflows
• Participate across the software development lifecycle, including requirements gathering, design, implementation, testing, and deployment
• Write clean, efficient, and maintainable code following established engineering standards and best practices
• Test, debug, and help improve the reliability and performance of applications and services
• Support troubleshooting and resolution of technical issues in collaboration
• Document system designs, code, and processes to support maintainability and knowledge sharing
• Stay up to date with emerging technologies, trends, and industry developments to continuously improve skills and knowledge.

Benefits

• At Xtillion, you'll take ownership of meaningful, production-grade systems and work on software that is relied upon in real-world environments.
• You'll join a fast-moving team where engineers influence technical direction and uphold strong engineering standards, supported by competitive compensation and meaningful opportunities for career growth.
• We offer competitive salaries and a comprehensive benefits program for full-time employees, including medical, dental and vision coverage, paid time off and 401(k) plan.

What This Job Offers

• Job Type: Full-time
• Career Level: Entry Level