Haystack
← Back to Jobs
Technology
QT

Full Stack Java Developer

QUANTUM TECHNOLOGIES LLCIllinois City, IL🇺🇸United StatesPosted Oct 7, 2026

Quick Overview

Salary
$85/hr
Seniority
Mid Senior
Work mode
Hybrid
Location
Illinois City, IL, United States
Posted
3 days ago
DockerSQLSpringSpring BootAWSScrumAgileCSSConfluenceGitHibernateJavaJavaScriptJiraKanbanKubernetesPostgreSQLReactTypeScript

Job Description

Job Title: Full Stack Java Developer

Location: Illinois city,IL,USA

Duration: 6 Months + Extension

Bill Rate: $85/hour

Job Type: C2C/1099 Contract

Client: To Be Discussed Later

Work Authorization: US-Citizen, H-1B, OPT-EAD, GC-EAD
Job Responsibilities
Key Responsibilities:

  • Provide full-stack design and development using Java, Spring Model View Controller (MVC) Framework, Spring Security, Spring Boot, React, and PostgreSQL.
  • Design and implement modern and responsive UI components leveraging React, TypeScript/JavaScript, CSS, and reusable design patterns.
  • Implement normalized PostgreSQL schemas and entity relationships, ensuring scalability and optimized query performance.
  • Design, develop, and maintain secure RESTful APIs for seamless data access and system integration.
  • Support and document efforts for migrating data between legacy systems and newly developed systems while ensuring integrity and consistency.
  • Plan, execute, and manage application deployments using version control systems and CI/CD pipelines.
  • Contribute to all phases of the development life cycle, ensuring timely delivery and adherence to project requirements.
  • Ensure adherence to federal compliance standards such as 508 accessibility, enterprise security practices, and other applicable requirements.
  • Other duties as assigned.

Qualifications
Qualifications - Here's What You Need:

  • Bachelor's degree in Information Technology, Computer Science, or a related field; or equivalent professional experience.
  • At least 5+ years of relevant full-stack software development experience.
  • Strong Computer Science background with a Bachelor's or Master's degree in the field preferred.
  • Strong UI design and development skills using React, JavaScript, TypeScript, and CSS.
  • Experience with key backend development frameworks and tools, including:
  • Java, Spring Framework/Security 6.0+, Spring Boot 3.0+, Hibernate 6.0+, RESTful APIs, SQL/PLSQL, PostgreSQL, Maven, Git/GitLab.
  • Expertise in database design, data migration methodologies, and scalability optimization.
  • Proficiency with AWS cloud services (S3, EC2, ECS, Aurora, CloudWatch), Keycloak, Kubernetes, Maven, and Docker.
  • Hands-on experience with Agile methodologies, including Scrum and Kanban, and use of
  • Atlassian tools like Jira and Confluence.
  • Experience configuring and optimizing Continuous Integration/Continuous Delivery pipelines using industry-standard tools and processes.
  • Active Top-Secret Clearance.
  • Must be able to pass a background check. May require additional background checks as required by projects and/or clients at any time during employment.

Minimum Skills:

  • Exceptional interpersonal skills with the ability to communicate in a clear, professional, and articulate manner.
  • Exceptional verbal and written communication skills.
  • Excellent organizational, analytical, and problem-solving skills with high-level attention to detail.
  • Proven ability to multitask and prioritize in a fast past environment with changing priorities; adaptable to change and a quick learner.
  • Must be self-motivated and able to work well independently as well as on a multi-functional team.
  • Ability to handle sensitive and confidential information appropriately
  • Proficient in MS Office, Word, Outlook, PowerPoint, and Excel.

    Equal Opportunity Employer: We are an equal opportunity employer. All aspects of employment including the decision to hire, promote, discipline, or discharge, will be based on merit, competence, performance, and business needs. We do not discriminate on the basis of race, color, religion, marital status, age, national origin, ancestry, physical or mental disability, medical condition, pregnancy, genetic information, gender, sexual orientation, gender identity or expression, national origin, citizenship/ immigration status, veteran status, or any other status protected under federal, state, or local law.

     

 

Similar jobs