Jobs in the United States

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Added 1 min ago
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Software Engineer
ManpowerGroup
Foster City, CA
- $25.38 USD / hour
Our client is seeking a Software Engineer to join their team. As a Software Engineer, you will be part of the Software department supporting Software Platforms & Product. The ideal…
Added 1 min ago
M
Software Engineer
ManpowerGroup
Foster City, CA
- $25.38 USD / hour
Our client, an innovative software organization focused on autonomous mobility, is seeking a Software Engineer to join their team. As a Software Engineer, you will be part of the Software…
Added 2 mins ago
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Forward Deployed Engineer
The Walt Disney Company
Glendale, CA
- $119,200 to $159,800 USD / year
Experience as a product manager, designer, operator, engineer, founder, or builder who has used AI tools to create working products.
Added 2 mins ago
Factory Automation Staff Engineer
ThermoFisher Scientific
Carlsbad, CA
We are seeking a hands-on Factory Automation Staff Engineer to join the Life Sciences Group (LSG) Advanced Engineering team and help build an operations-led automation acceleration…
Added 2 mins ago
Digital Automation Staff Engineer
ThermoFisher Scientific
Carlsbad, CA
We are seeking a hands-on Digital Automation Staff Engineer to join the Life Sciences Group (LSG) Advanced Engineering team and help build an operations-led automation acceleration…
Added 2 mins ago
Senior Software Quality Engineer
Humana Inc.
Louisville, KY · NY · Boston, MA · Dallas, TX
Senior Software Quality Engineer will be responsible for server-side back-end and UI test execution. This role develops and designs test cases to validate the medical analytic decision…
Added 2 mins ago
Wireless Network Engineer - Enterprise Infrastructure
Meta
Fremont, CA
Wireless Network Engineer - Enterprise Infrastructure Responsibilities:
Added 2 mins ago
Product Content Engineer
Meta
Menlo Park, CA
…experiences actually work for people.We're looking for a Content Engineer who will partner with Meta’s agent tooling team to define model quality standards and target behaviors for Meta’s…
Added 2 mins ago
Software Engineer, Product - Central Integrity
Meta
Menlo Park, CA
Software Engineer, Product - Central Integrity Responsibilities:
Added 2 mins ago
Software Engineer, Product - Ads Infra and Ranking
Meta
Menlo Park, CA
Software Engineer, Product - Ads Infra and Ranking Responsibilities:
Added 2 mins ago
PT
Systems Engineer
PDS Tech Commercial
El Segundo, CA
- $56.65 to $80 USD / hour
PDS Tech Commercial is partnering with a leader in the aerospace and aviation industry to hire a Systems Engineer in El Segundo, CA. If you're driven by innovation, passionate about complex…
Added 2 mins ago
Staff Platform Product Manager, Platform & Cloud Security
Rubrik
Palo Alto, CA
Prior experience as a Security Architect, Solutions Architect, or Senior/Staff Engineer is highly desirable
Added 2 mins ago
Senior Software Data Engineer - Quickbooks Capital and Lending
Intuit
MOUNTAIN VIEW, CA
Come join the QuickBooks Capital and Lending Platform as a Senior Software Engineer in Data. You will join an innovative and passionate team of engineers using cutting edge technologies…
Added 2 mins ago
Partner Engineer, Device Platform Operations, YouTube
Google
San Bruno, CA · Mountain View, CA
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Added 2 mins ago
Software Engineer III, AI/ML GenAI, YouTube
Google
Mountain View, CA
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Added 2 mins ago
Staff Software Engineer, DeepMind
Google
Mountain View, CA
…measuring the intelligence of our prototypes. As a Software Engineer, you will be working with the cutting edge AI agents developed by our exceptional team of Machine Learning and…
Added 3 mins ago
Senior Staff Software Engineer, NetSoft UTL, Google Global Infrastructure
Google
Sunnyvale, CA
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Added 3 mins ago
Android Application Framework Developer - Device Engineering
Fiserv
Sunnyvale, CA
We are looking for an Android Application Framework Developer - Device Engineering to join our Device Engineering team in Sunnyvale, CA. In this role, you won't just be building standard…
Added 3 mins ago
Staff Power Management Engineer, Platforms Engineering
Google
Sunnyvale, CA
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Added 3 mins ago
AE
Campus Undergraduate Summer Internship Program - 2027 Software Engineer, Enterprise Technology Services- Sunnyvale, CA
American Express
Sunnyvale, CA
- $24.05 to $63 USD / hour
At American Express, we empower future technologists to learn, innovate, and make an impact from day one. As a Software Engineer Intern, you’ll join a 10-week Summer Internship Program and…
Added 3 mins ago
Software Engineer, Infrastructure - Ads Infra and Ranking
Meta
Sunnyvale, CA
Software Engineer, Infrastructure - Ads Infra and Ranking Responsibilities:
Added 3 mins ago
Research Engineer, Monetization AI
Meta
Menlo Park, CA · Sunnyvale, CA
Research Engineer, Monetization AI Responsibilities:
Added 3 mins ago
Patterning Process Engineer
Applied Materials
Santa Clara, CA
As a Process Engineer, you'll play a crucial role in designing and optimizing manufacturing processes for display and semiconductor manufacturing technologies. You will collect and analyze…
Added 3 mins ago
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Senior GPU Driver and Graphics Performance Engineer
Intel
Folsom, CA · Santa Clara, CA
- $149,600 to $284,580 USD / year
You must possess the below minimum qualifications to be initially considered for this position
Added 3 mins ago
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GPU Driver and Graphics Performance Engineer
Intel
Santa Clara, CA · Folsom, CA
- $111,030 to $181,940 USD / year
You must possess the below minimum qualifications to be initially considered for this position

EarnIn

Senior AI Builder

Mountain View, CA, United States

Apply on job-boards.greenhouse.io About employer

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Job details

Experience: 4+ years of full-time software engineering experience, with at least 2 years building tooling, platforms, or internal developer products
Posting language: English
Posted: Jul 9, 2026

Original job description

ABOUT EARNIN

As one of the first pioneers of earned wage access, our passion at EarnIn is building products that deliver real-time financial flexibility for people living paycheck to paycheck. Our community members access their earnings as they earn them, with options to spend, save, and grow their money without mandatory fees, interest rates, or credit checks. We’re fortunate to have an incredibly experienced leadership team, combined with world-class funding partners like A16Z, Matrix Partners, DST, Ribbit Capital, and a very healthy core business with a tremendous runway. We’re growing fast and excited to bring on world-class talent to help shape the next chapter of our growth journey.

EarnIn is becoming an AI-native company, embedding AI agents into how we build, analyze, and operate across every function. Teams use AI Agents to move from ideas to execution faster. By letting agents handle repetitive tasks, our people can focus on judgment, creativity, and hard problems. We pair this experimentation with the strict review and security guardrails our regulated financial environment requires, always keeping a focus on privacy and the people who rely on our products.

As a company, we are becoming AI-native, and we encourage you to use AI tools throughout much of your interview process. If you use AI during the live interview, just say so; a quick, natural mention of how it helped and why you are using it is all we need. What we're evaluating is your judgment, reasoning, and ability to own and defend your work, not whether AI was involved. Some rounds, particularly those focused on your career history and past experiences, will not allow the use of AI, and we'll let you know of those in advance. When in doubt, ask your recruiter or interviewer directly.

POSITION SUMMARY

EarnIn is making AI-native engineering a core capability - not an initiative, but how we design, build, and ship. We're not hiring a software engineer who dabbles in AI. We're hiring an AI builder who also writes great software - someone who looks at every step of how we design, build, test, and ship, and asks: why isn't an agent doing this? This is not a side project. The agents and harnesses you build here will run in production, making real decisions for real people - people who depend on EarnIn to access their pay when it matters most. If that bar excites you rather than intimidates you, keep reading.

You'll work at the intersection of platform engineering, developer experience, and applied AI - partnering with architects, domain leads,, and product engineers to build the tools, patterns, and guardrails that make AI adoption fast, safe, and durable. The Mountain View base salary range for this full-time position is $228,000 - $279,000, plus equity and benefits. Our salary ranges are determined by role, level, and location. This is a hybrid position in Mountain View that requires in-office work 2 days a week.

WHAT YOU'LL DO

Agents that take real actions. You'll design how agents think - prompts, reasoning chains, tool calls, and the full architecture beneath them. From MCP servers and agent scaffolding to context harnesses and a Skills Marketplace, you're building the layer every squad at EarnIn builds on. Not a proof of concept. Production infrastructure.

A PDLC that doesn't look like 2022. The product development lifecycle is overdue for a rethink. You'll challenge each stage - from scoping and design through to review, testing, deployment, and monitoring - and replace manual friction with agentic workflows wherever it makes sense. Evaluation pipelines, automated PR hygiene, deployment gating, generation-to-merge metrics: you'll build the scaffolding that makes governed AI fast, not slow.

Evals that actually mean something. You'll own the evaluation infrastructure - building the pipelines, benchmarks, and quality gates that tell us whether our AI is working, degrading, or ready to ship. That means designing eval harnesses for AI-assisted workflows, setting generation-to-merge and review latency baselines, and making model quality visible and trustworthy across teams. If you've built evals that caught real problems before they hit production, you'll fit right in.

Pilots that graduate to production. EarnIn's engineering leads are running experiments. You'll be the person who takes what's working and turns it into something the next team can fork and ship in a week. Less "interesting prototype," more "thing we rely on." You’ll build reusable libraries, templates, and reference implementations that give squads a running start on AI integration, so no one has to solve the same problem twice

WHAT SUCCESS LOOKS LIKE

Teams across engineering can ship AI-assisted features faster, with fewer rework loops
The harnesses you build are actively used and well-documented
AI pilot quality and safety metrics are visible, trustworthy, and improving

WHAT WE'RE LOOKING FOR

4+ years of full-time software engineering experience, with at least 2 years building tooling, platforms, or internal developer products
Bachelor’s, Master’s, or PhD in Computer Science, Computer Engineering, or a related technical discipline, or equivalent industry experience. We care about what you’ve built, not where you studied.
Hands-on experience with LLM integration patterns - prompt engineering, RAG pipelines, tool/function calling, and agent architectures
Proficiency and comfort working across the stack when needed
Experience with MCP, LangChain, or comparable orchestration frameworks
Experience with open source LLM models
Strong opinions about developer experience and a track record of building things other engineers actually use

YOU'LL STAND OUT IF YOU HAVE

Hands-on experience with reinforcement learning - especially RLHF, RLAIF, or reward modeling in applied product contexts
Experience in fintech or regulated/security-sensitive environments
Hands-on work with AI governance - bias evaluation, audit logging, model cards
Exposure to multi-step reasoning pipelines or human-in-the-loop system design

At EarnIn, we believe that the best way to build a financial system that works for everyday people is by hiring a team that represents our diverse community. Our team is diverse not only in background and experience but also in perspective. We celebrate our diversity and strive to create a culture of belonging. EarnIn does not unlawfully discriminate based on race, color, religion, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), gender identity, gender expression, national origin, ancestry, citizenship, age, physical or mental disability, legally protected medical condition, family care status, military or veteran status, marital status, registered domestic partner status, sexual orientation, genetic information, or any other basis protected by local, state, or federal laws. EarnIn is an E-Verify participant.

EarnIn does not accept unsolicited resumes from individual recruiters or third-party recruiting agencies in response to job postings. No fee will be paid to third parties who submit unsolicited candidates directly to our hiring managers or HR team.

Work requirements

Jobs in the United States