Senior Full Stack Java / AI Developer (W2 & Local Only)

Company Overview

At 4A Consulting, we turn complexity into opportunity. Founded in 2014 and headquartered in Baltimore, MD, we are a women-owned, boutique consulting firm specializing in delivering innovative, data-driven solutions to both the Federal Government and Fortune 500 clients. Our team blends deep industry knowledge with advanced technologies to design tailored strategies that drive measurable and sustainable outcomes. We pride ourselves on an agile, collaborative approach that helps organizations navigate challenges and seize emerging opportunities in a rapidly evolving digital landscape. At 4A, we don’t just deliver projects, we build trusted partnerships that empower our clients to lead with confidence in the digital age.

Position Overview

We are seeking a Senior Full Stack Java / AI Developer to design, develop, and integrate intelligent services into complex enterprise applications. This role focuses on building scalable, secure, and cloud-native full-stack solutions that incorporate AI/ML capabilities to support modern digital platforms in regulated, public-sector–style environments.

The ideal candidate has deep expertise in Java and Spring-based frameworks, hands-on experience with AWS cloud services, and practical knowledge of integrating AI/ML models or intelligent APIs into backend services and user-facing applications.

Key Responsibilities

• Design, develop, and implement complex full-stack applications using Java, Spring Boot, and modern front-end frameworks such as Angular
• Develop detailed program designs, flowcharts, and diagrams outlining business logic, data flows, and system interactions
• Build, integrate, and consume AI/ML services such as NLP, recommendation, or classification models through RESTful or event-driven interfaces
• Consume AI services hosted on AWS SageMaker, containerized environments (ECS/Fargate), or third-party intelligent APIs
• Deploy, manage, and support microservices using AWS services including Lambda, API Gateway, EC2, ECS, S3, CloudFormation, and Aurora PostgreSQL
• Translate AI/ML outputs into explainable backend decision engines or intuitive user interfaces
• Integrate enterprise components using REST, SOAP, EJB, and secure web service standards
• Verify accuracy and completeness of applications through unit, integration, and system testing using representative data
• Apply secure coding standards, participate in code reviews, and contribute to test-driven development pipelines
• Develop reusable components, SDKs, and utilities to accelerate AI feature adoption across systems
• Collaborate with cross-functional teams to align technical solutions with business and operational requirements
• Support application performance tuning, concurrency management, and scalable service architecture
• Design solutions that meet accessibility standards (508 compliance) and data security requirements

Required Qualifications

• Bachelor’s degree in Computer Science, Information Systems, Engineering, Business, or a related technical discipline
• Minimum of 8 years of experience in software development or maintenance.
• Minimum of 5 years of experience in IT systems analysis and enterprise programming.
• 8+ years in Java/J2EE development, with deep experience using Spring Boot, Hibernate, JPA, and RESTful APIs.
• 3+ years of experience working with AWS cloud services, including Lambda, S3, RDS/Aurora, API Gateway, IAM, and CloudWatch.
• 2+ years of experience integrating or consuming AI/ML services, including AWS SageMaker, pre-trained models (e.g., NLP, classification), or intelligent APIs.
• Proficiency in Python or scripting languages for handling data flows and ML model interfacing is a strong plus.
• Experience developing UI components in Angular 12+, JavaScript, TypeScript, and JSON-based dynamic rendering.
• Knowledge of Git, Jenkins, Docker, and CI/CD pipelines.
• Familiarity with cloud-native DevOps, containerization, and infrastructure as code (Terraform or AWS CDK) preferred.
• Ability to design for accessibility (508 compliance) and secure data processing in regulated systems.
• Understanding of concurrency, application performance tuning, and scalable web service architecture.

Preferred Qualifications

• Proficiency in Python or scripting languages for data processing and ML model integration
• Experience with Docker, Jenkins, and cloud-native DevOps practices
• Familiarity with infrastructure as code tools such as Terraform or AWS CDK
• Experience working with regulated or public-sector–style systems (e.g., health or human services platforms)
• Knowledge of accessibility standards (508 compliance) and secure data processing requirements
• Strong understanding of concurrency, microservices architecture, and distributed system design

Why Join 4A 

• Be part of a mission-driven, women-owned consulting firm with a reputation for excellence.
• Work on high-impact projects across federal and commercial clients.
• Collaborate in an inclusive, growth-oriented culture where innovation is valued.
• Access career development programs, mentorship, and learning opportunities.
• Enjoy a comprehensive benefits package, flexible work options, and a focus on work-life balance.