Lead Java Full Stack Developer with AI

Quantum Technologies. LLC; Dallas (TX); On-site; USD 90,000 - 134,000; Part time

Job summary

Quantum Technologies. LLC is seeking a Lead Java Full Stack Developer with AI to design and implement robust financial tech solutions. You will lead backend services in Java/Spring, build frontend UIs in TypeScript/React, and leverage AI tools to accelerate delivery while upholding security and quality.

The role emphasizes integration with financial systems like Sage Intacct and cloud-native deployment. The candidate should have 7+ years in full-stack development, strong Java/Spring expertise,

Qualifications

• 7+ years of full-stack development experience with Java and modern frontend frameworks.
• Proficiency in Java and Spring Framework (Spring Boot, Spring Security, Spring Data).
• Strong TypeScript and React skills including state management and responsive UI design.
• Hands-on experience with AI development tools (Claude Code, Cursor) and evaluating AI-generated code.
• Experience with SQL Server or similar RDBMS and performance tuning.
• CI/CD pipelines and DevOps (Azure DevOps)
• Knowledge of microservices, REST APIs, and container tech (Docker, Kubernetes).
• Solid OO design, patterns, and secure coding practices.
• Experience with testing frameworks (JUnit, Mockito, Jest, Playwright).
• Excellent communication to explain technical concepts to non-technical stakeholders.

Responsibilities

• Design, develop, and deploy Java backend services for financial operations including transactions and reporting.
• Build responsive UIs using TypeScript and React for finance workflows.
• Utilize agentic AI tools to accelerate delivery while ensuring code quality and security.
• Optimize SQL Server databases with complex queries and performance tuning.
• Maintain CI/CD pipelines and DevOps practices in Azure DevOps.
• Lead code reviews and enforce coding standards across teams and AI outputs.
• Integrate with Sage Intacct and other financial platforms to improve automation.
• Ensure scalability, performance, and reliability in cloud environments.
• Translate business needs into robust technical solutions with stakeholders.

Skills

Java

Spring Boot

TypeScript

React

AI tooling

REST API design

CI/CD

Azure cloud

Security best practices

Testing frameworks

Communication

Education

Bachelor's degree in Computer Science/Software Engineering

Master's degree in Computer Science/Software Engineering

Tools

Claude Code

Cursor

Azure DevOps

Docker

Kubernetes

Git

Jest

Playwright

Job description

US Citizen, Green Card, H-1B, OPT-EAD, CPT, Other

Job Title: Lead Java Full Stack Developer with AI

Duration: 14 Months + Extension

Bill Rate: $81/hour (C2C)

Job Type: W-2, 1099, C2C

Client: To Be Discussed Later

Work Authorization: US Citizen, Green Card, OPT-EAD, CPT, H-1B, H4-EAD, Other

Role Overview:

• We are looking for a Senior Full Stack Developer to design, develop, and implement robust full stack solutions that drive efficiency, enhance data accuracy, and streamline financial operations.
• The role places strong emphasis on leveraging agentic AI development tools such as Claude Code to accelerate delivery, alongside providing technical leadership and ensuring code quality.

Key Responsibilities:

• Design, develop, and deploy scalable Java backend services using Spring Boot to support financial operations, including transaction processing, reporting engines, and secure APIs for internal and external integrations
• Build responsive, intuitive user interfaces using TypeScript and React, tailored to the workflows of finance and operations users
• Leverage agentic AI development tools such as Claude Code, Cursor, or similar to accelerate feature delivery, while critically reviewing, validating, and refining AI-generated code to ensure quality, security, and alignment with business requirements
• Design, optimize, and maintain SQL Server databases including complex queries, stored procedures, indexing, and performance tuning for high-volume financial workloads
• Implement and maintain CI/CD pipelines and DevOps practices in Azure DevOps to ensure efficient, reliable deployment processes
• Lead code reviews and provide technical guidance for code developed across the team and by AI-assisted development tools
• Establish and enforce coding standards, architectural best practices, and technical documentation requirements
• Integrate solutions with existing platforms and business applications, including financial systems such as Sage Intacct, to improve operational efficiency and automation
• Optimize applications for scalability, performance, and reliability within cloud-based environments and continuously improve based on feedback and real-world data
• Develop a strong understanding of the underlying business processes and partner with stakeholders to translate those needs into appropriate, well-designed technical solutions

Required Qualifications:

• Bachelor’s or Master’s degree in Computer Science, Software Engineering, or a related field.
• 7+ years of experience in full stack software development with a strong focus on Java technologies and modern frontend frameworks.
• Advanced proficiency in Java and the Spring Framework (Spring Boot, Spring Security, Spring Data).
• Strong expertise in TypeScript and React, including state management, component design, and responsive UI development.
• Hands-on experience with agentic AI development tools such as Claude Code, Cursor, or similar, with a demonstrated ability to drive productive workflows and critically evaluate AI-generated output.
• Strong experience with SQL Server (or a comparable RDBMS), including complex queries, stored procedures, and performance optimization.
• Experience with Git-based version control and CI/CD pipelines (Azure DevOps preferred).
• Solid understanding of microservices architecture, REST API design, and container technologies (Docker, Kubernetes).
• Strong grasp of software design patterns, object-oriented programming principles, and secure coding practices.
• Experience with automated testing frameworks such as JUnit, Mockito, Jest, or Playwright.
• Excellent communication skills, with the ability to articulate technical concepts to non-technical stakeholders.

Desired Skills

• Experience in financial services, private equity, or fund administration
• Familiarity with Sage Intacct or similar fund accounting platforms
• Familiarity with Azure cloud services and cloud-native application development
• Experience working in Agile/Scrum environments
• Exposure to building or maintaining financial transaction processing systems or reporting engines
• Track record of mentoring or working alongside engineers in adopting AI-assisted development practices
• Working knowledge of Python for scripting, automation, or backend service development
• Familiarity with agentic workflow frameworks such as Lang Chain, Lang Graph, or similar

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.