Sr. Java Developer (W2 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 Java Developer to architect, design, and implement next-generation web applications with our team in Woodlawn, MD. In this role, you will provide technical expertise across rich Single Page Application (SPA) front-ends, secure RESTful API microservices, and modern DevOps pipelines. Collaborate closely with cross-functional teams, mentor junior developers, and ensure applications meet high standards for performance, security, and accessibility.

*This will be 5 Days onsite job and inperson interview required.

Key Responsibilities

• Design, develop, and deploy responsive web applications using software engineering best practices and modern JavaScript ecosystems.
• Architect scalable Node.js architectures, including rich SPA front-ends (React) and robust, secure RESTful API microservices (Express).
• Ensure all user interfaces meet high standards for User Experience (UX) and accessibility compliance (Section 508/WCAG/USDS).
• Perform full-stack troubleshooting to isolate and resolve complex defects across front-end components, middleware, and backend databases.
• Lead and mentor engineering team members while serving as a technical liaison to brief leadership, customers, and cross-functional vendors.

Required Qualifications

• Master\''s with 3-6 years, Bachelor\''s 8+ years, or 13+ years of relevant experience.
• 10+ years of full-lifecycle software development experience using modern web technologies (Node, React, Redux, MobX, Flux, TypeScript, Bootstrap).
• Extensive experience with Node.js and React.js, including UI frameworks, back-end architecture, and RESTful web services.
• Strong proficiency with JavaScript technologies such as Express.js, MobX, Redux, Flux, and open-source troubleshooting.
• Expertise in writing and optimizing complex SQL queries in PostgreSQL.
• Comprehensive knowledge of Scrum/Kanban processes, Agile ceremonies, TDD, and BDD.
• Experience working in large teams, managing code repositories (Git/merge conflicts), and handling upstream/downstream dependencies.
• Strong collaborative skills to provide hands-on technical direction, brief stakeholders, and mentor team members.
• Ability to obtain and maintain an Public Trust Suitability clearance is required.

Preferred Qualifications

• Experience with CI/CD tools (Jenkins, SonarQube, UrbanCode), containerization/orchestration (Docker, Red Hat OpenShift), and cloud infrastructure (AWS).
• Experience with automated testing tools including Mocha, Chai, Jest, Sinon, Supertest, Enzyme, Istanbul, Selenium, and Cucumber.
• Knowledge of NGiNX web servers, and familiarity with additional Node frameworks (Restify, Hapi, Sails, JOI, Axios).
• Experience with SOLR search engine, Redis in-memory data structures, and MQLight message brokers.
• Experience with performance tuning large-scale enterprise systems and working within the Scaled Agile Framework (SAFe).

Applicants must be legally authorized to work in the United States. Employer sponsorship is not available for this position.

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.

Equal Opportunity Statement

4A Consulting is an Equal Opportunity Employer committed to an inclusive hiring process. Applicants requiring a reasonable accommodation due to a disability may contact . This email is intended solely for accommodation requests.

Please note that 4A Consulting participates in the federal E-Verify program. Upon hire, we will provide the federal government with your Form I-9 information to confirm that you are authorized to work in the US. 4A Consulting will only use E-Verify once you have accepted a job offer and completed the Form I-9.