Senior Java Developer + LLM

Region: LATAM

Country: Costa Rica, Argentina, Colombia, and Mexico

Type: Fully remote

What's the Project?

Newfire Global Partners is a leading technology firm that specializes in building transformative software solutions for some of the world’s most innovative companies. With a presence across four continents, Newfire Global brings deep expertise in digital healthcare, AI-driven analytics, and enterprise technology. The firm’s track record of delivering scalable, high-impact solutions has made it a trusted partner for organizations seeking to drive meaningful change through technology.

We are passionate about the purpose-driven mission to help improve the quality of care for patients and are building a collaborative, innovative, and inclusive culture. We are a fully funded company founded by serial entrepreneurs with a stable client base.

Opportunity for impact

Newfire Global Partners, a leader in developing disruptive healthcare technology, collaborates with Fortune 500 companies and start-ups to drive transformation.

Newfire is looking to hire a senior Java developer, starting November 1st, to expand its engineering team. This strategic hire in Latin America will help align with existing time zones. The ideal candidate should have experience with Java, LLMs, and cloud technologies.

What's the Project?
Our client is a large healthcare company that is working on several projects, such as a patient application for Android and iOS, an automation engine for internal clinic processes, a machine learning/large language model (LLM) application used by doctors for obesity care, and a separate web portal for new patients.

You’re a perfect match if you have:

Strong Java Expertise: 8+ years of hands-on experience in Java development, with
proficiency in Java 21 and recent versions.
Spring Boot: Extensive experience in Spring Boot 3 and related frameworks for building
robust and scalable backend systems.
Proven experience in developing and implementing new automation workflows.
Proficiency in API integration for both data retrieval and data entry between different systems (e.g., EHRs, internal platforms).
Demonstrated experience leveraging Large Language Model (LLM) APIs (e.g., OpenAI) to build intelligent automation solutions.
Ability to perform enhancements on existing systems, including creating new data tables and implementing minor code changes.
Experience in the healthcare technology space, particularly with Electronic Health Records (EHRs), is a strong plus.
Database Skills: Proven experience with PostgreSQL, including data modeling, query optimization, and performance tuning. Expertise in JPA for efficient data access and persistence.
AWS Cloud Proficiency: Hands-on experience with AWS services such as Cognito, DynamoDB, S3, SES, SNS, Lambda, and others relevant to the project.

Nice to Have Skills & Experience

Athenahealth Integration: Prior experience integrating with Athenahealth APIs or similar healthcare platforms.
Performance Optimization: Expertise in identifying and addressing performance bottlenecks in Java applications and database interactions.
Security Best Practices: Understanding of security principles and best practices for building secure backend systems, including encryption, access control, and vulnerability mitigation.
Agile Development: Familiarity with Agile methodologies and tools for efficient project management and collaboration.

Your day-to-day activities:

Microservices Architecture: Experience in designing, developing, and deploying microservices-based applications. Must be able to apply a modular approach to building
services for maintainability and scalability.
RESTful API Development: Expertise in designing and developing RESTful APIs for seamless communication between frontend and backend components and the other
integrations with the third parties.
Build & Dependency Management: Proficiency with Gradle for building and managing project dependencies.
HIPAA Compliance: General awareness of HIPAA regulations and best practices for ensuring the security and privacy of patient health information (PHI).
Communication & Teamwork: Excellent communication skills, both verbal and written, and a proven ability to collaborate effectively in a team environment.
Problem-Solving & Analytical Skills: Strong problem-solving and analytical abilities, with a focus on delivering efficient and maintainable code.

Please note that employment will be contingent upon providing documentation verifying your legal work authorization in the country of residence, in accordance with applicable law.

Ready to dive in?

Leon Dueñas
Recruiter

America/Bogota

guillermo.duenas@newfireglobal.com

Hiring Process

Here's what you can expect during our hiring process.

Stage 1

Applied

Stage 2

Interview

Stage 3

Technical Challenge

Stage 4

Technical Interview

Stage 5

HM Interview

Stage 6

Client Interview

Stage 7

Offer Letter

Stage 8

Hired

1 of X

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Please specify only the years of experience relevant to similar positions, not your total professional experience. What is your Spanish proficiency level? *
At Newfire, we require Spanish speakers for LATAM. Your Spanish skills will be assessed during the initial interview.Basic (A1–A2) – Can understand and use some familiar words and very basic phrases. Very limited ability to communicate. Intermediate (B1) – Can deal with some daily situations. Limited ability to communicate in English. Advanced (B2–C1) – Can interact with a degree of fluency and spontaneity in a professional environment. Able to produce clear, well-structured language on complex subjects. Fluent / Native (C2) – Can express themselves effortlessly in all types of communication, including nuanced and abstract language. Comparable to native-level proficiency. What is your English proficiency level? *
At Newfire, we only hire professionals who can communicate clearly and effectively with native English speakers in meetings, emails, and chat. Your English skills will be assessed during the initial interview.Basic (A1–A2) – Can understand and use some familiar words and very basic phrases. Very limited ability to communicate. Intermediate (B1) – Can deal with some daily situations. Limited ability to communicate in English. Advanced (B2–C1) – Can interact with a degree of fluency and spontaneity in a professional environment. Able to produce clear, well-structured language on complex subjects. Fluent / Native (C2) – Can express themselves effortlessly in all types of communication, including nuanced and abstract language. Comparable to native-level proficiency.

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