AI-Driven Modernization Software Engineer

Guidehouse; McLean (VA); On-site; USD 110,000 - 190,000; Full time

Job summary

Guidehouse is seeking a mid-level Software Developer with AI engineering capabilities to modernize a large-scale GrantSolutions portfolio. You will refactor legacy systems, build cloud-hosted services, and develop AI capabilities to improve information access and automate workflows.

You will collaborate with architects, data teams, security, and Federal stakeholders to deliver incremental modernization while ensuring business continuity and governed data access.

Qualifications

• Bachelor’s degree required.
• Minimum of 5–8 years of software development experience, including legacy modernization and backend service development.
• Experience engineering AI-enabled applications using foundation-model APIs or ML services.
• Strong hands-on proficiency in modern programming languages and frameworks (Python, Java, JavaScript/TypeScript, C#/.NET, Go).
• Experience with AWS-based applications and related services (API Gateway, Lambda, ECS/EKS, DynamoDB, CloudWatch).

Responsibilities

• Analyze legacy applications, data structures, interfaces, dependencies, and business rules to identify safe modernization increments.
• Develop APIs, services, automation, and cloud-native components using modern languages and frameworks.
• Build an integrated data layer with governed data access via APIs and events.
• Design, prototype, and productionize AI capabilities ( Retrieval-Augmented Generation, semantic search, document intelligence).
• Develop, test, and support distributed applications across APIs, databases, and cloud services.

Skills

Python

Java

JavaScript/TypeScript

C#/.NET

Go

AWS

RESTful API

Automated testing

AI-enabled apps

CI/CD

Education

Bachelor’s degree

Tools

AWS services

API Gateway

Lambda

ECS/EKS

SQS

SNS

EventBridge

DynamoDB

CloudWatch

Job description

Guidehouse is seeking a mid-level Software Developer with AI engineering capabilities to modernize a large-scale GrantSolutions portfolio. You will refactor legacy systems, build cloud-hosted services, and develop AI capabilities to improve information access and automate workflows.

You will collaborate with architects, data teams, security, and Federal stakeholders to deliver incremental modernization while ensuring business continuity and governed data access.