Senior Full Stack Java Developer (Level 4)

Senior Full Stack Java Developer (Level 4)We are seeking a senior full-stack Java developer to design and build a business-critical web application that connects modern user experiences with reliable backend services and manufacturing or supply-chain data. The work is hands-on across Java, Spring, Angular, RxJS or React, APIs, and relational data. The strongest candidate has delivered full-stack production features within the last two years, can make sound design decisions independently, and can write and explain code without relying on AI coding tools. Experience with data-heavy interfaces, Bills of Material, or manufacturing workflows is especially valuable. Location:Remote within the United States; team aligned to Andover, Massachusetts Schedule:First shift, Monday-Friday, 40 hours per week (5/40) Work Setting:Remote Role Type:Contract Contract Duration:Approximately 6 months, with potential to extend based on performance and continued program needs Contract Classification:All approved hours paid at the straight-time rate; no premium overtime Openings:1 Citizenship:U.S. citizenship required Clearance:No active clearance required; work is unclassified Pay Rate:$66.75-$78.25 per hour, depending on experience and client approval BenefitsEligible CRG contract employees may have access to the following benefits after 30 days of employment: Medical, dental, and vision coverage. Weekly pay and direct deposit. Referral bonus opportunities. Support from the CRG recruiting and account management team throughout the assignment. 401(k) eligibility after 12 months as a CRG employee. Benefit eligibility, plan details, waiting periods, and employee costs will be confirmed during onboarding. ResponsibilitiesDesign, develop, test, and maintain full-stack features for a modern enterprise web application. Build backend services and business logic using Java and the Spring ecosystem. Develop responsive, data-intensive user interfaces using Angular and RxJS and/or React, with JavaScript or TypeScript. Design and consume RESTful APIs that connect user workflows, business rules, and relational data. Translate functional requirements into maintainable technical designs and production-quality code. Model, query, and troubleshoot application data; contribute to MariaDB or comparable SQL integrations. Participate in design reviews, code reviews, testing, debugging, and performance improvement. Work independently in a remote environment while communicating decisions, progress, and technical risks clearly. QualificationsRecent full-stack software development experience within the last two years. Strong hands-on Java development experience. Production experience with Spring or Spring Boot. Hands-on front-end development with Angular plus RxJS and/or React. Ability to design a solution and write, test, and explain code without AI-tool assistance. Experience building or integrating RESTful APIs and modern web applications. Strong debugging, problem-solving, and independent design skills. U.S. citizenship. Preferred QualificationsTypeScript and advanced JavaScript experience. AG Grid or comparable data-grid experience. MariaDB or closely related MySQL/SQL database experience. Experience with manufacturing, supply-chain, PLM, ERP, MES, inventory, or Bills of Material workflows. Experience building data-heavy enterprise applications for operational users.#J-18808-Ljbffr