Senior Full Stack Java Developer (Level 4)

Cross Resource Group; Andover (MN); Remote; USD 92,000 - 107,000; Full time

Benefits offered by this job

Medical, dental, vision coverage

Weekly pay and direct deposit

Referral bonus opportunities

401(k) eligibility after 12 months

Recruiting/account management support

Job summary

Cross Resource Group is seeking a Senior Full Stack Java Developer (Level 4) for a remote US-based engagement aligned to Andover, MA. The role emphasizes hands-on development across Java, Spring, Angular, RxJS, or React, APIs, and relational data. The candidate should deliver production features from recent projects and articulate designs independently.

The contract position lasts about 6 months with potential extension. Citizenship in the U.S.

Qualifications

• Recent full-stack software development experience in the last two years.
• Strong hands-on Java development experience.
• Production experience with Spring or Spring Boot.
• 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 and independent design skills.
• U.S. citizenship.

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 UIs using Angular and RxJS and/or React.
• Design and consume RESTful APIs linking workflows and relational data.
• Translate requirements into maintainable designs and production-quality code.
• Model, query, and troubleshoot data using MariaDB or similar SQL integrations.
• Participate in design reviews, code reviews, testing, debugging, and performance improvements.
• Work remotely while clearly communicating decisions, progress, and risks.

Skills

Recent full-stack software development

Strong hands-on Java development

Production experience with Spring

Front-end development with Angular

Experience with RxJS or React

Design and explain code without AI

RESTful APIs and modern web apps

Debugging and problem solving

US citizenship

Tools

Java

Spring

Angular

RxJS

React

MariaDB/MySQL

REST APIs

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.