Senior Backend Engineer: Gen AI & AWS (Remote)

Zartis; Union, Northern (NJ, KY); Hybrid; USD 150,000 - 220,000; Full time

Benefits offered by this job

100% Remote Work

WFH allowance

Career growth program

Tech training

Mentoring program

Wellbeing hub

Multicultural environment

Job summary

Zartis is a global AI transformation and technology consulting partner delivering measurable impact through scalable AI-powered solutions. You will join a distributed team to build production-grade backend services with Node.js/TypeScript, on AWS, and integrate Generative AI into live systems.

As a Senior Backend Engineer, you will own critical components, address production challenges, optimize latency and costs, and collaborate with product and engineering stakeholders to deliver reliable

Qualifications

• Extensive experience building backend applications with Node.js and TypeScript.
• Demonstrable experience designing, developing, and deploying Generative AI capabilities in production.
• Strong hands-on experience designing and operating solutions on AWS.

Responsibilities

• Design, develop, and deploy scalable backend applications using Node.js and TypeScript.
• Integrate Generative AI and LLM capabilities into production-grade applications and services.
• Design and operate cloud-native architectures on AWS, working across serverless and container-based environments.
• Build and deploy containerized workloads using technologies such as EC2, ECS/EKS, and Kubernetes.
• Build LLM-powered capabilities using Amazon Bedrock and patterns including RAG, tool calling, context management, prompting, and knowledge indexing.
• Design solutions that address real-world challenges of production AI, including response quality, latency, cost, security, traceability, and observability.
• Apply engineering best practices around scalability, security, resilience, and maintainability.
• Contribute to backend and cloud architecture, making informed technical decisions and evaluating trade-offs.
• Collaborate with engineering and product stakeholders to take AI-powered capabilities from design through to reliable production delivery.

Skills

Node.js

TypeScript

AWS

Serverless

Kubernetes

Backend design

Tools

EC2

ECS/EKS

Bedrock

LLM tooling

RAG

Job description

Zartis is a global AI transformation and technology consulting partner delivering measurable impact through scalable AI-powered solutions. You will join a distributed team to build production-grade backend services with Node.js/TypeScript, on AWS, and integrate Generative AI into live systems.

As a Senior Backend Engineer, you will own critical components, address production challenges, optimize latency and costs, and collaborate with product and engineering stakeholders to deliver reliable