Senior Full Stack Java Developer (Level 4)
Job Description
Job Description
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
Benefits
Eligible 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.
Responsibilities
- Design, 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.
Qualifications
- Recent 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 Qualifications
- TypeScript 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.