Sr. Java Backend Developer

2 weeks ago

Boston, United States TPA technologies Full time

Sr. Java Backend Developer – Boston, MA We are seeking a Senior Backend Developer to join a high-impact AI / LLM work stream. This role is designed for a strong individual contributor who thrives in complex backend environments and enjoys building scalable, high-performance systems. Interview Process Round 1: Zoom (virtual) Round 2: On-site (in person) Work Model Ongoing contract, 4 days/week onsite. About the Role You will play a key role in architecting and optimizing event-driven microservices while integrating AI, chatbots, and Large Language Models (LLMs) into production-grade backend platforms. Key Responsibilities Architect and build modular, event-driven microservices using Java and Node.js Design and operate scalable systems on AWS, leveraging services such as SNS, SQS, Lambda, ECS, and Batch Drive performance optimization, profiling, fine-tuning, and production quality gates Integrate AI capabilities, including chatbots and LLMs, into backend services Ensure system reliability, scalability, and maintainability in production environments Collaborate closely with engineering, platform, and product teams in a fast-paced setting Required Qualifications 8+ years of backend development experience with Java and Node.js Strong system design expertise in distributed and microservices architectures Hands‑on experience designing and deploying systems on AWS Deep understanding of event-driven architectures Proven experience improving performance, scalability, and reliability of backend systems Strong problem‑solving skills and ability to operate as a senior individual contributor Preferred Qualifications Hands‑on experience with AI, chatbots, LLMs, or model integrations Exposure to building intelligent, data‑driven backend services at scale Why Join Work on cutting-edge AI and LLM initiatives Own critical backend architecture and performance decisions Collaborate with senior-level engineers in a modern, cloud-native environment High visibility role with real production impact Seniorities Mid‑Senior level Employment Type Contract Job Function Design, Analyst, and Management Industries Insurance Location & Salary Boston, MA – $125,000 - $178,000 #J-18808-Ljbffr

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