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Sr. Java Fullstack Developer (Java+Python+AI)

Technology
Synapse LLC
Phoenix, United States$10,400 - $12,133 /year1 weeks agoUntil 6/8/2026
Fully remote

Job description

Role Overview

We are seeking a versatile Senior Developer/ Architecht to join our Digital Transformation team.

This role is unique: you will support high-concurrency Java-based enterprise systems while simultaneously building and integrating AI/LLM-powered solutions using Python. You will be responsible for architecting the "intelligence layer" for a global client account, ensuring seamless communication between microservices and generative AI models.

Core Skill Requirements:

  • 6-8 years of strong experience in Java development, including proficiency in Spring / Spring Boot.
  • 4-5 years of experience with Python, focused on backend or data-driven development. Deep understanding of Reactive Programming (WebFlux, etc.)
  • Hands-on experience with Apache Kafka for event-driven architectures.
  • Experience with Flink for stream processing and data pipelines.
  • Proficiency in Redis for caching and performance optimization.
  • Database expertise in both MongoDB (NoSQL) and Oracle (RDBMS).
  • Strong experience in building and consuming RESTful APIs.
  • GraphQL knowledge is good to have, but not mandatory.
Al / Conversational Platform Exposure:
  • Good understanding of Google Dialogflow CX or similar conversational AI frameworks.
  • Exposure to LLM (Large Language Models), agentic architectures, and prompt engineering concepts.
  • Familiarity with ADK (Agent Development Kit), Playbook, or similar agentic frameworks.
Job Types: Full-time, Contract

Pay: $60.00 - $70.00 per hour

Application Question(s)

  • Years of Experience in Java?
  • Years of Experience in Python?
  • Years of Experience in AI?
  • Current Remuneration (per Hour)
  • Expected remuneration (per Hour)

Work Location: Remote

Keywords
javapythonartificial-intelligencetraining-and-developmentspringspring-bootkafkatrade-shows-eventsstream-processingdata-pipelineredisperformance-optimizationmongodbnosqloraclerelational-database-management-system-rdbmsgraphqldialogflowgoogle-dialogflowcustomer-experience-and-engagementconversational-ailarge-language-model-llmprompt-engineeringtime-and-attendance

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