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TPA technologies

Sr. Java Backend Developer - only locals to Boston, MA

TPA technologies, Boston, Massachusetts, us, 02298

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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

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