Software Engineer III – Data Analytics Platform

Company: hackajob
Apply for the Software Engineer III – Data Analytics Platform
Location: Whitehall
Job Description:

You can get further details about the nature of this opening, and what is expected from applicants, by reading the below.

hackajob is partnering directly with JPMorganChase to hire for this role.

JOB DESCRIPTION

We have an opportunity to impact your career and provide an adventure where you can push the limits of what’s possible.

As a Software Engineer III at JPMorganChase within the Firmwide LLM Serving Platform team, you are an integral part of an agile team that designs, builds, and operates the services that make large language models usable at scale. This is an infrastructure-meets-ML role: you don’t need to be an ML researcher, but you should be excited to learn how model architectures and inference constraints translate into real production systems. You will contribute to a living platform where we optimize performance ?? pushing down latency, increasing throughput, maximizing GPU utilization, and eliminating waste across the request lifecycle.

Job responsibilities

  • Build core backend services for LLM inference, including request routing, batching, scheduling, streaming responses, and quota/limits.

  • Implement and maintain APIs and SDKs used by product and application teams across the firm.

  • Profile and optimize performance end-to-end across CPU, memory, network, serialization, concurrency, GPU utilization, and caching.

  • Improve reliability and operability through health checks, graceful degradation, autoscaling behaviors, incident follow-ups, and runbooks.

  • Contribute to system design by breaking down ambiguous problems, proposing approaches, and making pragmatic tradeoffs.

  • Add observability with metrics, tracing, logging, dashboards, and actionable alerts tied to SLOs.

  • Support safe deployments through CI/CD improvements, canarying, feature flags, backward compatibility, and rollback plans.

  • Learn LLM serving fundamentals ?? tokenization costs, KV cache, quantization, context length tradeoffs, throughput vs. latency. xwwtmva

  • Leverages enterprise-authorized AI coding assist tools within the work environment to improve code quality, delivery speed, and productivity across complex deliverables (e.g., code generation/refactoring, unit test creation, documentation), while validating outputs through peer review, automated testing, and secure coding standards; contributes learnings and reusable patterns to improve broader team effectiveness.
  • Applies knowled

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Posted: September 23rd, 2026