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Sr. Lab System Support Engineer
Cognizant
New Brunswick, NJ
- $95,000 to $115,000 USD / year
Cognizant is seeking a Sr. Lab System Support Engineer to support and govern laboratory systems and non-networked laboratory instruments within regulated Life Sciences environments.
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Software Engineer-III (Full Stack/API Integration)
TD Bank
Mount Laurel, NJ
The Software Engineer-III (Full Stack/API Integration) leads the creation of comprehensive end-to-end detailed solutions for projects and platforms with overall accountability for the…
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Software Engineer III ( Adobe Tech Lead)
TD Bank
Mount Laurel, NJ
The Software Engineer III ( Adobe Tech Lead) leads the creation of comprehensive end-to-end detailed solutions for projects and platforms with overall accountability for the technical…
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Mechanical Engineer
Sayres Defense
Mobile, AL
- $90,000 to $130,000 USD / year
Capable of in-depth evaluation of the systems functionality, arrangement within the 3D environment, and performance, using tools such as Autodesk Navisworks applications, PIPE-FLO software,…
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Senior Software Engineer
Zelis Healthcare, LLC
Morristown, NJ
- $15.92 USD / hour
This role will responsible for designing, developing, and maintaining moderately complex software applications and systems. This position will contribute to technical planning, collaborate…
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Senior Site Reliability Engineer (SRE)
Tradeweb
Jersey City, NJ
- $170,000 to $210,000 USD / year
As a Sr. Site Reliability Engineer (SRE) at ICD, you will play a critical role in ensuring the reliability and seamless operation of our global platform and AWS infrastructure to create…
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Lead Infrastructure Engineer
JPMorgan Chase
Jersey City, NJ
As a Lead Infrastructure Engineer at JPMorganChase within Corporate Sector Enterprise Technology, Employee Platforms, you apply deep knowledge of software, applications, and technical…
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Senior Lead Software Engineer
JPMorgan Chase
Jersey City, NJ
…and deliver top-notch technology products as a Senior Lead Software Engineer at JPMorgan Chase. In this role, you’ll collaborate across technical teams to advance financial technologies and…
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AI Lead Engineer, Vice President
Citigroup
Jersey City, NJ
We are seeking a highly motivated AI Lead Engineer to design, develop, and deploy AI-powered applications and agentic solutions that enhance business processes and client delivery…
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Senior Software Engineer/Developer - 2137714
FMR LLC
Jersey City, NJ
- $142,550 to $154,000 USD / year
Bachelor’s degree in Computer Science, Engineering, Information Technology, Information Systems, or a closely related field (or foreign education equivalent) and three (3) years of…
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Senior Network Automation Engineer - AI/ML
Bucher & Christian Consulting Inc.
Jersey City, NJ
- $73.67 to $104.63 USD / hour
Job Title: Senior Network Automation Engineer - AI/ML, AIOps & Network Operations
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Site Reliability Engineer III
JPMorgan Chase
Jersey City, NJ
…and modernize the world's most complex and mission-critical…
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Principal Site Reliability Engineer- Electronic Trading Services
JPMorgan Chase
Jersey City, NJ
As a Principal Site Reliability Engineer at JPMorganChase within the Enterprise Technology, Infrastructure Platforms team , you draw upon your advanced knowledge to identify new…
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Software Engineer III - Data Engineering | Infrastructure Platforms
JPMorgan Chase
Jersey City, NJ
As a Software Engineer III at JPMorganChase within the Infrastructure Platforms organization, you serve as a seasoned member of an agile team to design and deliver trusted market-leading…
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Network / System Engineer III
ManpowerGroup
Jersey City, NJ
- $70 to $73 USD / hour
Our client is seeking a Network / System Engineer III to join their team. As a Network / System Engineer III, you will be part of the Cloud Enablement and Platform Engineering organization,…
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Lead Software Engineer - Java, Unix
JPMorgan Chase
Jersey City, NJ
As a Lead Software Engineer at JPMorganChase within the Corporate Technology pillar, you are an integral part of an agile team that works to enhance, build, and deliver trusted…
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Lead Software Engineer - Java, Unix
JPMorgan Chase
Jersey City, NJ
As a Lead Software Engineer at JPMorganChase within the Corporate Technology pillar, you are an integral part of an agile team that works to enhance, build, and deliver trusted…
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Principal Site Reliability Automation Developer - US REMOTE
Oracle
Trenton, NJ
- $102,300 to $209,500 USD / year
…challenges, and the opportunity to influence how large-scale AI systems are…
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Senior Platform Software Engineer - OCI
Oracle
Trenton, NJ
- $92,500 to $209,500 USD / year
Oracle Cloud Infrastructure (OCI) is looking for a Senior Platform Software Engineer to join the PKI team responsible for building and operating cloud-scale Public Key Infrastructure…
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Senior Application Engineer
Inframark
Norcross, GA
Knowledge and experience with Microsoft operating systems, networks, and HMI software (System Platform w/ OMI, InTouch, Ignition, VTScada, iFix, FactoryTalk View SE).
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Staff Full-stack Engineer - Shopping (Remote-eligible)
Capital One
Trenton, NJ
As a Staff Engineer at Capital One, you will be part of a community of technical experts working to define the future of banking in the cloud. You will work alongside our talented team of…
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Senior Staff Engineer - Agentic Identity
Cisco
Trenton, NJ
…identity and access challenges into resilient, enterprise-grade software that protects and powers the next generation of AI…
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Senior QA Automation Engineer - Playwright & Selenium
Cognizant
Trenton, NJ
- $50,000 to $92,500 USD / year
We are seeking a Senior QA Automation Engineer - Playwright & Selenium to join our Quality Engineering team supporting critical financial applications. The ideal candidate will have strong…
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Core Senior .NET Software Engineer
Evolent
Trenton, NJ
The Senior Software Engineer leads the design, development, and deployment of complex software solutions, ensuring scalability and maintainability. This role architects and implements…
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Supply Chain Capacity Engineer
Meta
Trenton, NJ
Meta is seeking a Planning & Capacity Engineer to join the Infrastructure Supply Chain and Engineering (ISCE) Planning team to focus on planning optimization for all of Meta’s…

Rockstar

Backend Software Engineer (ML Infra)

San Francisco, CA, United States

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Job details

Experience: 1–3 years of engineering experience, ideally working on production systems on the backend and infrastructure layer.
Posting language: English
Posted: Nov 4, 2026

Original job description

Rockstar is recruiting for a fast-growing AI infrastructure startup building the optimal inference allocation engine - model routing, dedicated inference, and post-training, all working together to ensure every request is served by the best model for it, in real time. The client’s mission is to deliver truly serverless intelligence to the AI world. Their routers and models allocate and serve 100B+ tokens/month for frontier AI companies across industries.

About the Client

The client is building the optimal inference allocation engine - model routing, dedicated inference, and post-training, all working together to ensure every request is served by the best model for it, in real time. Their mission is to deliver truly serverless intelligence to the AI world.

Their routers and models allocate and serve 100B+ tokens/month for frontier AI companies across industries.

The Role

The client is hiring a Software Engineer to help design, build, and scale the core systems that power large-scale routing, model training, and deployment.

The engineer will work on everything from distributed training pipelines, cloud-native infrastructure, and internal developer platforms that support fine-tuning, reinforcement learning, and inference at scale, stretching right up to the frontend. This role sits at the intersection of product engineering and ML systems - the engineer will collaborate closely with ML scientists while owning production-grade infrastructure operating at 99.99% uptime, alongside a team that has shipped hundreds of models at places like TikTok, MongoDB, and Neeva.

This is an ideal role for an early-career engineer who wants to work on real distributed systems, GPU workloads, and modern ML infrastructure, and actually see their work transform the AI capabilities of frontier application layer companies.

What You’ll Do

Build & Scale Core Infrastructure

Design and implement systems that support large-scale ML workloads, including fine-tuning and reinforcement learning. Build distributed training, inference, and logging pipelines that are efficient, fault-tolerant, and observable.

Cloud & Systems Engineering

Work on cloud-native systems using containers and orchestration (e.g., Kubernetes). Optimize systems for performance, reliability, and cost efficiency, especially for GPU-heavy workloads. Implement monitoring, logging, and observability for long-running training jobs and production services.

Bring the Client’s Capabilities to Customers

Talk to customers. Join their calls, find what’s slowing them down, and ship the fix yourself. Realize the client’s features. Develop the frontend and backend logic that enables customers to access the client’s capabilities.

Who You Are

Required

1–3 years of engineering experience, ideally working on production systems on the backend and infrastructure layer. Strong fundamentals in distributed systems, networking, and backend architecture. Comfortable writing code with and without AI and taking accountability for your code. Excited to work on-site in San Francisco with a fast-moving early-stage team.

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