Referso Jobs

Lead the design, implementation, and operation of the Chainguard Harness product, owning major system components and guiding technical decisions to deliver a secure, scalable service.

Compensation

$205,000—$231,000 USD

Responsibilities

Own major parts of the system end to end, from design through implementation, rollout, and operation
Build security into the foundation: protecting customer code end to end, least-privilege access, and auditing everything the system and its operators do
Make Harness a reliable, observable, production-grade service, making sound long-term tradeoffs around scale, cost, technical debt, and build versus buy
Work directly with customers, Product, and our field team, joining customer calls and turning feedback into the roadmap
Raise the bar for the team through design docs, code review, and mentoring, and by showing how AI tooling can make a small team move fast without cutting corners on security

Requirements

Nice to have: offensive security
Nice to have: vulnerability research
Nice to have: penetration testing
Nice to have: application security
Nice to have: CVE

Skills

Go Terraform

Platform Security Engineer

Fly.io · Posted Nov 5, 2026

Open

Remote
Remote
Full-time · Senior
5+ years

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Lead platform security engineering, owning kernel, hypervisor, sandbox, and host networking isolation for Fly.io’s global public cloud.

Compensation

We offer competitive equity grants with a long exercise window, health care benefits, flexible vacation time (with a minimum), and hardware and phone allowances.

Responsibilities

Own syscall filtering, process-level confinement, and network confinement for VMMs
Design and enforce host network isolation using nftables
Develop trust model between hosts and control plane
Patch and maintain the custom host kernel
Investigate and lead forensic analysis of host incidents

Requirements

Nice to have: hardware virtualization
Nice to have: nested virtualization
Nice to have: bare-metal cloud instances
Nice to have: customer-hosted virtualization

Skills

Linux kernel KVM hypervisor BPF seccomp filters jailer

Sr Lead Software Engineer - Agentic Pricing & AI/ML

JPMorgan Chase & Co. · Posted Nov 4, 2026

Open

Jersey City, New Jersey, United States
Senior
10+ years

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Lead technical authority for the Jersey City team, setting architecture for agentic pricing and AI/ML systems within JPMorganChase’s Commercial & Investment Bank Payments Technology.

Compensation

We offer a competitive total rewards package including base salary determined based on the role, experience, skill set and location. Those in eligible roles may receive commission-based pay and/or discretionary incentive compensation, paid in the form of cash and/or forfeitable equity, awarded in recognition of individual achievements and contributions.

Responsibilities

Sets the technical direction and reference architecture for agentic pricing
Designs control architecture for pricing integrity
Designs secure authorization and information barriers for agents
Defines MLOps architecture for models used as agent tools
Establishes engineering standards for agent quality and safety

Requirements

Formal training or certification in software engineering concepts
Nice to have: concurrency and distributed computation
Nice to have: multithreading
Nice to have: async model
Nice to have: process and worker architectures

Skills

Python system design application development testing

Senior Software Engineer – AI Agent Platform (W/M/X)

Ubisoft · Posted Nov 4, 2026

Open

Saint-Mandé, Île-de-France, France
Senior

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Senior Software Engineer to design and build platform services, orchestration engine, and agent runtimes for Ubisoft’s AI Agent Platform.

Responsibilities

Design and build platform services
Design, implement, and operate scalable back-end services for agent orchestration, execution, sessions, resource management, and platform control
Define clear service responsibilities, domain boundaries, and APIs
Build dependable agent runtimes
Address challenges such as workload isolation, resource management, lifecycle control, streaming, cancellation, failure recovery, and communication with models, tools, knowledge systems, and internal services

Requirements

Nice to have: workflow engines
Nice to have: orchestration systems
Nice to have: schedulers
Nice to have: developer platforms
Nice to have: execution runtimes

Skills

Python Go Rust Java C++TypeScript

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Platform Security Engineer

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