Java Full Stack Developer; Java​/React

Global Financial Firm located in Jersey City, NJ – Immediate contract opportunity for an experienced Java Full Stack Developer

Work Mode: Hybrid

Pay Rate Range: $85.00 - $90.00 negotiable based upon years of experience

• Lead the design and development of complex full‑stack applications, integrating modern frontend frameworks with Java‑based backend services and Apache Spark for data processing and analytics.
• Own end‑to‑end delivery of application components, including user interface, business logic, data persistence, and data pipeline implementation, from design through deployment.
• Drive architectural decisions for both transactional systems and analytical data solutions, ensuring scalability, performance, security, and alignment with enterprise standards.
• Resolve high‑impact technical challenges across frontend, backend, and data processing layers, optimizing for efficiency and reliability.
• Mentor junior and mid‑level full‑stack developers, providing technical guidance, conducting code reviews, and promoting a culture of technical excellence.
• Partner with product owners, business analysts, and data scientists to define system enhancements, translate complex requirements into technical designs, and deliver strategic full‑stack solutions.
• Ensure high code quality, performance optimization, and scalability of applications and data pipelines, particularly for large datasets processed with Spark.
• Lead testing strategies, continuous integration/continuous deployment (CI/CD) pipelines, and deployment processes for integrated full‑stack and data solutions.
• Identify and mitigate technical risks, ensuring compliance with governance, security, and data privacy regulations across the application stack.

• Minimum 7 years of experience in full‑stack application development.
• Advanced expertise in Java, Spring Boot, and microservices architecture for backend development.
• Strong expertise in Apache Spark (Spark SQL, Spark Streaming, PySpark/Scala) for large‑scale data processing, ETL, and analytics.
• Proficiency with at least one modern frontend framework (e.g., Angular, React, Vue.js).
• Strong experience with API design (RESTful/GraphQL), database technologies (SQL and No
  
  SQL), and distributed systems.
• Experience with big data ecosystem components (e.g., Hadoop, Kafka) and cloud‑based data platforms (e.g., Azure Databricks, AWS EMR, GCP Dataflow).
• Experience with CI/CD pipelines, cloud platforms (preferred), and Dev Ops practices for full‑stack deployments.
• Proven ability to lead technical initiatives, define architectural patterns, and mentor cross‑functional development teams.
• Strong communication and stakeholder management skills, with the ability to articulate complex technical concepts to diverse audiences.

• Bachelor’s degree or equivalent experience.