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As our Security Engineer, Application & AI, you will own the security of our products and application layer — secure development practices, agent security, third-party integration security, and data protection for AI products operating in some of the world's most regulated and sensitive environments. Brain Co. is entering its next phase of production deployments on a national scale with an elite team built from Palantir, Google, Meta, and Nvidia, and a growing footprint across government, insurance, health, and financial services.

Brain Co.

Security Engineer, Application & AI

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You'll build that platform: the agent configurations tuned to our monorepo, the context and tooling layer that makes agents competent in our codebase, the evals that tell us which approaches actually work, and the rollout mechanics that get a new engineer productive with agents in week one. Agent substrate- Repo-level context infrastructure that makes agents competent in our codebase (CLAUDE.md/AGENTS.md conventions, architecture and domain context, and the tooling to keep it accurate as code moves).

BaseTen

Software Engineer - AI Developer Productivity

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Your focus is the full testing stack: fast and reliable unit test tooling, integration harnesses that spin up realistic environments on demand, load and performance testing for GPU-backed inference workloads, and resilience testing that deliberately breaks things so our customers never have to find out what happens when a node dies mid-request. Deep experience with testing frameworks and their internals - pytest, Go's testing package, testify, testcontainers, or equivalents - including the ability to extend them, not just use them.

Software Engineer - Testing Frameworks

Braze was also named a 2025 Best Companies To Work For by U.S. News and World Report, a 2025 America's Greatest Companies by Newsweek, and a 2025 Fortune Best Workplace in Technology by Great Place To Work, among other accolades. For candidates based in the United States, the pay range for this position at the start of employment is expected to be between $149,000 and $235,000/year with an expected On Target Earnings (OTE) between $166,000 and $261,000/year (including bonus or commission).

Braze

Senior Security Engineer II

For candidates based in the United States, the pay range for this position at the start of employment is expected to be between $149,000 and $235,000/year with an expected On Target Earnings (OTE) between $166,000 and $261,000/year (including bonus or commission). Braze is a modern, cloud-first SaaS company running entirely on cloud-native infrastructure - large-scale, distributed systems spanning AWS, GCP, and self-managed Kubernetes, backed by self-managed data stores such as MongoDB.

Braze Inc

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Whether you're flying in from afar or looking for a car down the street, searching for a rugged truck or something smooth and swanky, Turo puts you in the driver's seat of an extraordinary selection of cars shared by local hosts. Experience collaborating with designers, DS engineers, and system users during development of accessible, composable components with interfaces aligned across design and other supported platforms.

YEAR

Turo Inc

Senior Software Engineer, Frontend, Design Systems

As a Forward Deployed Engineer, you will operate at the front lines of innovation - embedded directly with subject matter experts, product, and engineering teams to rapidly design, architect, prototype, and deploy solutions that solve high-priority business problems. Experience with AI-Augmented Engineering (Harness Engineering) - actively use tools like Claude Code, Codex, or equivalent assistants to accelerate coding, documentation, and problem-solving day-to-day.

Jones Lang LaSalle Inc

Forward Deployed Engineer

Forward Deploy Engineer

We value a diverse workforce - people who identify as women, non-binary or gender non-conforming, LGBTQIA+, American Indian or Native Alaskan, Black or African American, Hispanic or Latinx, Native Hawaiian or Other Pacific Islander, differently-abled, caretakers and parents, and veterans are strongly encouraged to apply. Our team develops and operates the critical traffic infrastructure that powers communication between thousands of services across multiple regions, as well as the ingress systems that handle external traffic entering the DoorDash platform.

DoorDash Inc

Staff Software Engineer, Traffic

We're looking for a Staff Software Engineer to serve as the technical leader for this team — someone who can architect end-to-end systems across mobile and backend, tackle complex scaling challenges, and raise the bar on engineering quality. Hands-On Leader: You lead at all levels — architecting systems and writing code, reviewing PRs and mentoring engineers, thinking quarters ahead and unblocking teammates today.

Hinge Health

Staff Software Engineer, CV UX

The range displayed on each job posting reflects the minimum and maximum target for new hire salaries for the position across all US locations and could be higher or lower based on a multitude of factors, including job-related skills, experience, and relevant education or training. Zscaler is committed to providing reasonable support (called accommodations or adjustments) in our recruiting processes for candidates who are differently abled, have long term conditions, mental health conditions or sincerely held religious beliefs, or who are neurodivergent or require pregnancy-related support.

Zscaler Inc

AI DevOps Engineer

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We are a diverse team that is united by this common purpose and we are hiring the world’s best engineers, scientists, designers, product managers, operations experts, and customer service and business professionals. 7+ years of hands-on experience in mechatronics, hardware/electrical engineering, or a closely related discipline, with demonstrated ability to work effectively across mechanical, electrical, and software domains.

JUUL Labs

Senior Mechatronics Engineer

JUUL Labs Jobs

AI Platform: Build shared capabilities that enable teams across Color to develop reliable AI applications quickly, including knowledge bases and retrieval, citations and grounding, prompt management, evaluation, observability, and reusable agentic patterns. Possible Projects To Contribute To: Healthbook: Build and evolve an internal AI application that helps our care and clinical teams understand patients' longitudinal health histories, synthesize records, answer grounded questions with citations, and draft documents using an AI agent.

Color Health Inc

Senior Software Engineer, AI Platform

You will help build and operate the systems that ingest and integrate global card-network settlement and report files (Visa, Mastercard, and equivalents), along with data from acquirers, processors, and banks, and reconcile them against internal payment data to power settlement, dispute, cost, tax, and regulatory reporting. Contribute to our large-scale tax and regulatory reporting systems, including US IRS information returns (the 1099 family, issued at the scale of tens of millions of forms annually to merchants and customers) and international regimes such as EU-wide CESOP and country-specific reporting for Australia, Ireland, and Spain.

Block Inc

Software Engineer, Reconciliation & Reporting

This is not a narrowly scoped role, it is a high-ownership builder position where you will work across product, engineering, GTM, operations, and AI systems to design and ship core company infrastructure. Backed by Y Combinator, Alt Capital, and other leading investors, we have scaled rapidly to tens of millions in ARR with a small, high-velocity team.

Retell AI Inc

Internal Deployed Engineer

You will collaborate closely with partner teams (such as Autonomous Coding, CI/CD, and product squads), practice operational rigor, and use AI-assisted engineering tools responsibly to raise quality and delivery velocity across our engineering community. Lead technical feature execution for assigned platform work streams, breaking down complex tasks to parallelize implementation with teammates and aligning dependencies with product and engineering managers.

SoFi Technologies Inc

Senior Software Engineer, AI Platform - Prism

Fluent in how revenue teams actually run: the day-to-day of BDRs (lists, sequences, meeting handoffs), AEs (pipeline hygiene, deal cycles, forecasting), and AMs (renewals, expansion, account health), so everything you build and every fix you make fits how sellers really work. A systems-design mind with a service heart: empathetic and support-minded, you see the process behind the ticket, you still answer the ticket fast, and you will happily set aside deep work to unblock an AE or research a small technical issue through to resolution.

GTM Operations Engineer

The ideal candidate is a hands-on packaging expert with deep experience in optical modules, MEMS devices, semiconductor packaging, and complex multi-die assemblies, who can also lead cross-functional programs with OSATs, contract manufacturers, and internal engineering teams. nEye’s MEMS-based silicon photonics optical circuit switches (OCS) eliminate critical bottlenecks in AI processing by enabling direct optical connections among thousands of GPUs and memory units.

nEye.ai

Principal Systems Packaging & Assembly Engineer

We are building a revenue operating system that makes money management easier for senior living providers, with a focus on private-pay systems and the financial workflows that support senior care. The business processes over $1 billion in payments annually across operators in more than 45 states, maintains net collection rates above 99%, and supports more than 40,000 family interactions every year.

Recruiting From Scratch

Senior Frontend Software Engineer

Strong candidates may come from AI engineering, ML engineering, applied AI, or highly technical software engineering backgrounds with significant AI ownership. Who is Recruiting from Scratch : Recruiting from Scratch is a premier talent firm that focuses on placing the best product managers, software, and hardware talent at innovative companies.

Tooling Engineer Jobs in Newark, CA

Security Engineer, Application & AI Brain Co.

Software Engineer - AI Developer Productivity BaseTen

Software Engineer - Testing Frameworks BaseTen

Senior Security Engineer II Braze

Senior Security Engineer II Braze Inc

Senior Software Engineer, Frontend, Design Systems Turo Inc

Forward Deployed Engineer Jones Lang LaSalle Inc

Forward Deploy Engineer Jones Lang LaSalle Inc

Staff Software Engineer, Traffic DoorDash Inc

Staff Software Engineer, CV UX Hinge Health

AI DevOps Engineer Zscaler Inc

Senior Mechatronics Engineer JUUL Labs

Senior Software Engineer, AI Platform Color Health Inc

Software Engineer, Reconciliation & Reporting Block Inc

Internal Deployed Engineer Retell AI Inc

Senior Software Engineer, AI Platform - Prism SoFi Technologies Inc

GTM Operations Engineer fal

Principal Systems Packaging & Assembly Engineer nEye.ai

Senior Frontend Software Engineer Recruiting From Scratch

Founding AI Engineer Recruiting From Scratch

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