Senior Software Engineer – AI​/Java- Nearshore

Big Rio is a trusted data, analytics, AI, and cloud partner specializing in healthcare and life sciences. We help healthcare organizations modernize platforms, optimize revenue cycle operations, and deliver intelligent, AI-driven solutions at scale.

Big Rio is partnering with a Leading Healthcare Technology Company on this full-time opportunity.

We are looking for a Senior Software Engineer – AI / Java with exceptionally strong development fundamentals and deep LLM/GenAI experience to join the Leading Healthcare Technology Company Collector team.

The Collector team builds technology solutions that automate Revenue Cycle Management (RCM), implementing core medical back-office workflows to support complex claims processing and healthcare operations.

This is a hybrid role
, with Friday as a required in-office day
.

• Design, develop, and deliver high-quality, production-grade Java backend services
  , integrated with LLM-powered and GenAI-driven components
• Build and maintain scalable, secure, and performant Java applications using Spring Boot, REST APIs, relational and No
  
  SQL databases
• Architect and integrate AI-driven microservices and RAG-based systems using OpenAI, Azure OpenAI, Hugging Face, Lang Chain, and Llama Index
• Collaborate closely with AI engineers to implement vector databases (Pinecone, FAISS, Chroma
  
  DB) and advanced retrieval pipelines
• Develop and optimize LLM prompt engineering strategies
  , embedding pipelines, and AI-enhanced workflows for healthcare and RCM use cases
• Own backend performance considerations including model inference latency, API rate limits, scalability, and fault tolerance
• Participate actively in Agile ceremonies, sprint planning, technical design discussions, and rigorous code reviews
• Ensure adherence to AI governance, ethical AI practices, and security/compliance standards (HIPAA, GDPR, SOC2)
• Support AI model evaluation and benchmarking using metrics such as BLEU, ROUGE, cosine similarity
  , and custom domain metrics
• Partner cross-functionally with product, frontend, and data teams to deliver end-to-end AI-enabled features

• 4+ years of hands-on software engineering experience
  , with very strong core development skills in enterprise/backend systems
• Proven, hands-on experience working with LLMs and AI/GenAI in production environments
• Bachelor’s Degree (or equivalent experience) in Computer Science, Engineering, or a related field
• Strong proficiency in Java, Spring Boot, REST APIs
  , and relational & No
  
  SQL databases
• Deep experience with LLM frameworks and APIs including OpenAI GPT, Azure OpenAI, Hugging Face Transformers, Lang Chain, and Llama Index
• Strong understanding of RAG architectures
  , embeddings, prompt engineering, and vector similarity search (Pinecone, FAISS, Chroma
  
  DB)
• Experience designing and optimizing AI-powered backend services with a focus on scalability, latency, and reliability
• Familiarity with CI/CD pipelines
  , Unix/Linux environments, and Agile development practices
• Nice to Have:
  
  Experience with
  React on the frontend to support full-stack collaboration
• Excellent problem-solving skills, strong communication abilities, and a collaborative mindset

Big Rio is an equal opportunity employer. We prohibit discrimination and harassment of any kind based on race, religion, national origin, sex, sexual orientation, gender identity, age, pregnancy, status as a qualified individual with disability, protected veteran status, or other protected characteristic as outlined by federal, state, or local laws. Big Rio makes hiring decisions based solely on qualifications, merit, and business needs at the time.

All qualified applicants will receive equal consideration for employment.