Sr. Software Developer L3

Key Responsibilities Develop AI-Driven Analytics Tools

• Design, implement and maintain custom LLM agents
• Fundamental knowledge in building the semantic layer and semantic views for our agents
• Ability to build RAG (Retrieval-Augmented Generation) pipelines to democratize data access across the organization.

Build Robust Data Pipelines

• Create and optimize production-grade data pipelines that feed clean, structured and contextualized data into machine learning models and vector databases.

Deploy AI applications to cloud infrastructure and set up monitoring to track model drift, latency, costs and hallucination rates. Optimize AI & Retrieval Systems

• Evaluate, benchmark, and fine-tune prompt strategies, embedding models and vector search parameters to ensure high accuracy and low latency
• Ability to build queries in SQL to validate the accuracy of the AI agent response Collaboration Cross-Functionally
• Work closely with cross-functional teams including Product, QA, Dev Ops, and Implementation Services to translate complex business requirements, metrics and analytical needs into technical AI features
• Strong SQL knowledge
• Collaborate with other engineering managers to align standards, practices, and platform initiatives Required Qualifications
• Bachelor’s degree in computer science, Software Engineering, or related field (or equivalent experience)
• 4+ years of experience in data engineering, software engineering or machine learning engineering with at least one year of hand-on experience with AI
• Proven experience with orchestration frameworks and vector databases
• Experience with modern databases (Snowflake, SQL Server) and data transformation tools Cloud & Infrastructure Cloud Platforms: AWS (primary) CI/CD: Git Hub Actions Data & Analytics Databases: Snowflake, SQL Server SQL: proficient in writing SQL statements Data Modelling: A good understanding of modelling techniques We offer a competitive total rewards package including a base salary determined based on the role, experience, skill set, and location.

For those in eligible roles, discretionary incentive compensation may be awarded in recognition of individual achievements and contributions. We also offer a range of benefits and programs to meet employee needs, based on eligibility. We are an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran. By submitting an application for this job, you acknowledge that any personal data or personally identifiable information that you provide to us will be processed in accordance with our Candidate Privacy Notice. Submit your resume today! Learn about Aptos' Global Culture Aptos is the global leader in unified commerce solutions for retailers. Hundreds of leading retail brands around the world trust our modern, cloud-native POS and advanced enterprise solutions to power innovative shoppinfg experiences that inspire loyalty, maximize revenue and reduce costs. Be part of the technology future of one of the world's largest industries. Introduce yourself to our recruiters and we'll get in touch if there's a role that seems like a good match. For more than 40 years, Aptos has been 100% focused on the future of retailing—while simultaneously helping to build great futures for our colleagues. We’re constantly investing in innovative technologies to ensure our solutions are fully capable of keeping pace with the ever-evolving expectations of the modern consumer. We are a global organization supporting a global client base located in more than 70 countries. Check out the list below of our open positions around the world. If this sounds like your kind of opportunity, and if you have what it takes to excel with the industry’s best, we invite you to join the ride.