AI Software Engineer Intern

Gainwell Technologies LLC; Columbus (OH); Remote; USD 91,000 - 130,000; Full time

Benefits offered by this job

401(k) match

Comprehensive health benefits

Educational assistance

Leadership development academies

Generous vacation policy

Job summary

Gainwell Technologies LLC is seeking an Advisor Application Developer - AI Software Engineer to design, develop, and modernize large-scale healthcare applications using Java, JavaScript, and SQL. The role emphasizes AI-assisted coding with GitHub Copilot, performance tuning, and enterprise integrations across REST APIs and HL7 interfaces.

You will lead by example, mentor peers, review designs, and ensure secure, scalable solutions while leveraging advanced AI models for development and

Qualifications

• Ten or more years of applications development or software engineering experience.
• Advanced hands-on expertise in Java and JavaScript, including REST/SOAP APIs, application design, testing, debugging, and modern development practices.
• Strong experience with SQL, relational databases, PostgreSQL/Oracle, AWS RDS, indexing, query optimization, and performance tuning.

Responsibilities

• Design, develop, enhance, and modernize enterprise-scale Java, JavaScript, and database-driven healthcare applications.
• Develop and optimize complex SQL and AWS RDS solutions, including query tuning, indexing, execution-plan analysis, and performance analysis.
• Apply GitHub Copilot and advanced AI models across coding, testing, debugging, refactoring, code reviews, documentation, and technical analysis.
• Use heavy reasoning models for complex problem solving, architecture, root-cause analysis, performance issues, and legacy-code analysis, while utilizing coding and lightweight models for routine engineering tasks.
• Support REST APIs, healthcare integrations, and HL7 interfaces, where applicable.
• Provide technical leadership through solution design, peer reviews, troubleshooting, mentoring, and engineering best practices.
• Designs, develops, reviews, tests, documents, and implements complex Java, JavaScript, SQL, and database-driven solutions.
• Performs code and design reviews and promotes modular, maintainable, secure, and testable software engineering practices.
• Uses GitHub Copilot and advanced AI models to accelerate development, testing, refactoring, debugging, documentation, and code analysis.
• Designs and optimizes AWS RDS and relational database solutions, including complex SQL, indexing, query tuning, and performance analysis.
• Develops and supports REST APIs, enterprise integrations, and healthcare/HL7 interfaces.
• Provides complex technical and production support across application, database, and integration layers.
• Reviews technical specifications and recommends solutions for modernization, performance, scalability, reliability, and technical‑debt reduction.
• Provides technical leadership, mentoring, and engineering guidance to development team members.
• Ensures AI-generated solutions are appropriately reviewed, tested, secured, and validated before implementation.

Skills

Java

JavaScript

SQL

Relational databases

AWS RDS

Performance tuning

AI-assisted development

REST APIs

Code reviews

Mentoring

Tools

GitHub Copilot

HL7 interfaces

Job description

Job Summary

Be part of a team that unleashes the power of leading-edge technologies to help improve the health and well-being of those most vulnerable in our country and communities. You'll add to your technical credentials and certifications while enjoying a generous, flexible vacation policy and educational assistance. We also have comprehensive leadership and technical development academies to help build your skills and capabilities. The Advisor Application Developer - AI Software Engineer is a senior hands-on engineering role responsible for developing, modernizing, and supporting large-scale, database-driven healthcare applications.

Role Overview

The role combines deep expertise in Java, JavaScript, SQL, relational databases, AWS RDS, application performance, and integrations with modern AI-assisted software engineering. The engineer will leverage GitHub Copilot and advanced AI models for development, code analysis, testing, debugging, complex problem solving, and legacy application modernization.

Responsibilities

• Design, develop, enhance, and modernize enterprise-scale Java, JavaScript, and database-driven healthcare applications.


• Develop and optimize complex SQL and AWS RDS solutions, including query tuning, indexing, execution-plan analysis, and application performance.


• Apply GitHub Copilot and advanced AI models across coding, testing, debugging, refactoring, code reviews, documentation, and technical analysis.


• Use heavy reasoning models for complex problem solving, architecture, root-cause analysis, performance issues, and legacy-code analysis, while utilizing coding and lightweight models for routine engineering tasks.


• Support REST APIs, healthcare integrations, and HL7 interfaces, where applicable.


• Provide technical leadership through solution design, peer reviews, troubleshooting, mentoring, and engineering best practices.


• Designs, develops, reviews, tests, documents, and implements complex Java, JavaScript, SQL, and database-driven solutions.


• Performs code and design reviews and promotes modular, maintainable, secure, and testable software engineering practices.


• Uses GitHub Copilot and advanced AI models to accelerate development, testing, refactoring, debugging, documentation, and code analysis.


• Designs and optimizes AWS RDS and relational database solutions, including complex SQL, indexing, query tuning, and performance analysis.


• Develops and supports REST APIs, enterprise integrations, and healthcare/HL7 interfaces.


• Provides complex technical and production support across application, database, and integration layers.


• Reviews technical specifications and recommends solutions for modernization, performance, scalability, reliability, and technical‑debt reduction.


• Provides technical leadership, mentoring, and engineering guidance to development team members.


• Ensures AI-generated solutions are appropriately reviewed, tested, secured, and validated before implementation.

Experience

Ten or more years of application development or software engineering experience supporting complex enterprise applications.

Application Development

Advanced hands‑on expertise in Java and JavaScript, including REST/SOAP APIs, application design, testing, debugging, and modern development practices.

Database & Cloud

Strong experience with SQL, relational databases, PostgreSQL/Oracle, AWS RDS, indexing, query optimization, and performance tuning.

AI‑Assisted Engineering

Experience using GitHub Copilot and advanced AI models for coding, code analysis, refactoring, testing, debugging, documentation, and technical problem solving.

Technical Leadership

Strong experience with solution design, code reviews, technical specifications, complex troubleshooting, mentoring, and modernization of enterprise applications.

Location

Fully Remote Opportunity - Work from anywhere in the US.

Other Information

Opportunity to Work on Cutting‑Edge AI Solutions in a mission‑driven healthcare technology environment.

Video cameras must be used during all interviews, as well as during the initial week of orientation.

Application Deadline

The Deadline to submit applications for this posting is November 24, 2026.

Compensation & Benefits

The pay range for this position is $90,900.00 - $129,900.00 per year, however, the base pay offered may vary depending on geographic region, internal equity, job‑related knowledge, skills, and experience among other factors. All salaried, full‑time candidates are eligible for our generous, flexible vacation policy, a 401(k) employer match, comprehensive health benefits , and educational assistance. We also have a variety of leadership and technical development academies to help build your skills and capabilities.

You’ll be joining a company where collaboration, innovation, and inclusion fuel our growth.

Learn more about Gainwell at our company website and visit our Careers site for all available job role openings.

Gainwell Technologies is an Equal Opportunity Employer, where all qualified applicants will receive consideration for employment without regard to race, religion, color, national origin, gender (including pregnancy, childbirth, or related medical condition), age, sexual orientation, status as a protected veteran, status as an individual with a disability, or other applicable legally protected characteristics.

Gainwell Technologies defines "wages" and "wage rates" to include "all forms of pay, including, but not limited to, salary, overtime pay, bonuses, stock, stock options, profit sharing and bonus plans, life insurance, vacation and holiday pay, cleaning or gasoline allowances, hotel accommodations, reimbursement for travel expenses, and benefits."