Senior Core Platform Engineer - Tools & AI Workflows

Jain Global, LLC; New York (NY); On-site; USD 190,000 - 225,000; Full time

Job summary

Jain Global, LLC seeks a Senior Core Developer to drive the design and evolution of our internal core platform, enabling scalable software for front, middle, and back-office teams. You will blend product intuition with deep engineering expertise to deliver tooling and services that accelerate internal development.

The role is high-ownership and cross-functional, partnering with business users to understand workflows and deliver reusable frameworks, secure architectures, and observable, resilient

Qualifications

• 6+ years of experience as a software or core platform engineer in complex, high-performance environments.
• Proven success delivering internal tooling or shared platforms with a clear focus on user needs and business alignment.
• Strong software engineering skills in Python; experience with C++, Java, C#, or other compiled languages a plus.
• Familiar with multi-threading concepts building high throughput, low latency systems; experience with backend frameworks (e.g., FastAPI, Node.js).
• Hands-on experience with building cloud-native apps, containerization (Docker), orchestration (Kubernetes), CI/CD (GitHub Actions, ArgoCD, Jenkins, Spinnaker, or equivalent tools), and cloud infrastructure (AWS preferred, GCP experience welcome).
• Experience integrating generative AI and LLMs into modern technical solutions (e.g., LLM orchestration, RAG, embeddings, vector databases).
• Familiarity with RBAC/ABAC, microservice architecture, and service mesh patterns.
• Excellent communication skills; ability to translate between technical and non-technical audiences and drive cross-functional initiatives.

Responsibilities

• Design and build internal core platform services (e.g., authentication, user permissions, UI frameworks, data access layers) that power business-critical applications.
• Partner with PMs, operations, risk, compliance, investment teams, and other enterprise-scale business functions to understand use cases, prioritize features, and deliver thoughtful, well-scoped solutions.
• Own core components of the application stack including service orchestration, observability, error handling, deployment pipelines, and shared libraries.
• Define standards for application architecture, frontend/backend patterns, and platform onboarding for internal developer teams.
• Drive the delivery of reusable frameworks that reduce development time and promote consistency across teams.
• Collaborate with infrastructure, data, and security teams to ensure resilience, security, and scalability of platform components.
• Mentor engineers and champion best practices across product development, testing, and operational support.
• Design and integrate generative AI workflows, vector databases, and LLM-powered services to accelerate internal application development.

Skills

Python

C++

Java

C#

Multi-threading

Generative AI

RBAC/ABAC

APIs

Communication

Tools

Docker

Kubernetes

GitHub Actions

ArgoCD

Jenkins

Spinnaker

AWS

GCP

FastAPI

Node.js

Job description

Jain Global, LLC seeks a Senior Core Developer to drive the design and evolution of our internal core platform, enabling scalable software for front, middle, and back-office teams. You will blend product intuition with deep engineering expertise to deliver tooling and services that accelerate internal development.

The role is high-ownership and cross-functional, partnering with business users to understand workflows and deliver reusable frameworks, secure architectures, and observable, resilient