About this opportunity
ZipStaff Inc. lists this Senior Full Stack Java Developer (AI Lab) opportunity in boston, Massachusetts. Review the employer’s description below for duties, qualifications and application requirements.
Job description
Job Title: Senior Full Stack Java Developer (AI Lab)
Location: Boston, MA (On-site). Philadelphia also considered.
Employment Type: Contract (W2 through ZipStaff — No C2C or 1099)
About the Opportunity:
ZipStaff is seeking a Senior Full Stack Java Developer for an AI Lab team at a financial services organization. You will stay hands-on building Java / Spring applications and modern front ends while influencing architecture, quality, and mentoring. Work is AI- and data-enabled with Product Owners, data scientists, and business stakeholders.
What You’ll Do:
Design, develop, and maintain Java applications in a distributed environment.
Build end-to-end features with React or Angular and Java / Spring Boot (Python or Node.js as needed).
Own features from requirements through implementation, deployment, and production support.
Contribute to AI-enabled and data-driven solutions with data and product teams.
Participate in design and architecture discussions; run code reviews.
Mentor less experienced developers and set engineering standards.
Work with CI/CD and deployment automation; support OpenShift and Azure.
Troubleshoot complex production issues.
Apply RAG, embeddings, vector search, and agentic frameworks (LangChain, LangGraph, CrewAI) where the product needs them.
Required Qualifications:
5+ years hands-on Java development.
Strong Spring (MVC, Data, Security) and enterprise backend systems.
Modern front end: Angular and TypeScript (React acceptable).
SQL and NoSQL, data modeling, and performance.
Messaging / asynchronous processing.
Hands-on Azure.
Agile (Scrum / Kanban).
Ability to work on-site in Boston, MA (Philadelphia considered).
Must be legally authorized to work in the United States without sponsorship now or in the future.
Preferred Qualifications:
OpenShift / Unix-Linux.
RAG, embedding models, vector databases, semantic search.
LLMs and agentic frameworks (LangChain, LangGraph, CrewAI).
Python or Node.js in addition to Java.
Mentoring and technical leadership on a small team.
Benefits:
Health Insurance.
Dental Insurance.
Vision Insurance.
401(k).
401(k) matching.
Paid time off.
Referral Program.
About ZipStaff:
ZipStaff partners with leading organizations to connect skilled technology professionals with high-impact contract opportunities. We focus on quality matches, clear communication, and long-term success for candidates and clients.
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Worksite address
boston, MA, 02298, US
Who can apply
Review the original listing for work authorization, qualifications and employer requirements.