Software Engineer Senior Associate

AboutXtillion

Xtillionis 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 dataexpertisewith astrongfocus on measurable business impact.

Based in San Juan Puerto RicoXtillionpartners 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

Werelooking fora Senior Associate Software Engineerto join our growing this roleyoullbuild and deploy AI-powered production-grade software systems within client the intersection of software engineering data systems and applied AI translating complex business problems into scalable reliable solutions.

This position is ideal for engineers who enjoy hands-on system building working closely with clients andshapingtechnical direction and best practices across projects.

WhatYoullDo

• Collaborate withcross-functional teams to define business and technical requirements

• Partneron design and build data pipelines that ingest transform and deliver data from source systems to analytical platforms using modern cloud technologies

• Supporton design and implement infrastructure and data platforms that enable reliable access transformation and analysis of data

• Document andmaintaindataarchitecture to support reliable scalable data systems

• Contribute to improving engineering practices around quality maintainability and operational stability

• Mentor and support other engineers through code reviews design discussions and day to-day collaboration

WhatWereLooking For

Required Qualifications

• 4 years of professional software engineering experience including backend and/or data engineering

• Experience delivering production systems in environments with evolving or changing requirements

• Experience building andmaintainingAPIs and backend services ( or similar frameworks)

• Strong experience with SQL and relational or analytical data systems

• Experience working in cloud environments (AWS Azure)

• Experience with modern engineering workflows including Git-based version control and CI/CD pipelines

• Goodunderstanding of software engineering best practices testing strategies and agile delivery

• Strong written and verbal English communication skills

Preferred Qualifications

• Hands-on experience building and deploying AI-enabled systems particularly LLM-poweredworkflowsand orchestration ()

• Familiarity with Infrastructure as Code tools (e.g. Terraform)

• Background in designing andmaintainingdata pipelines or data-intensive systems

• Exposure to data warehouses or large-scale analytical platforms

• Knowledge of workflow orchestration or distributed processing systems

Why JoinXtillion

AtXtillionyoulltake ownership of meaningful production-grade systems and work on software that is relied upon in real-world a fast-moving team where engineers influence technical direction and uphold strong engineering standards supported by competitive compensation and meaningful opportunities for career growth.

Ready to Build What Matters

JoinXtillionand be part of a collaborative team delivering real-world data and AI solutions at scale. Ifyoureexcited about taking ownership of complex systems and turning AI intomeasurablebusiness outcomeswedlove to hear from you!

Learn more at

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.

We are committed toprovidingequal employment opportunities to qualified individuals with disabilities. This includes providing reasonable accommodation whereappropriate. Should you require a reasonable accommodation to apply orparticipatein the job application or interview process please contact

Xtillion is an equal opportunity employer that does not discriminate against any employee or applicant because of race creed color religion gender sexual orientation gender identity/expression national origin disability age genetic information veteran status marital status pregnancy or any other basis protected by law. Employment at Xtillion is based solely on a persons merit and qualifications.