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Proof Operator Banking Jobs in California (NOW HIRING)

Nubank

US CISO

Palo Alto, CA · On-site

Partner with crypto product and infrastructure teams to secure future-proof financial technologies ... operating at an executive, director, or CISO level within FinTech, Banking, or Digital Assets. * US ...

Nubank

US CISO (Palo Alto)

Palo Alto, CA · On-site

Partner with crypto product and infrastructure teams to secure future-proof financial technologies ... operating at an executive, director, or CISO level within FinTech, Banking, or Digital Assets. * US ...

Socket.dev

US CISO

Palo Alto, CA · On-site

$250 - $400/hr

Partner with crypto product and infrastructure teams to secure future-proof financial technologies ... operating at an executive, director, or CISO level within FinTech, Banking, or Digital Assets. * US ...

K-1 Speed Inc

Server

Winchester, CA · On-site

$16.90 - $18.90/hr

Balance bank drawer * Attempt to limit problems and liability related to customers' excessive ... Provide proof of identity and eligibility to work in the United States * Must have reliable ...

K-1 Speed Inc

Bartender

Winchester, CA · On-site

Balance bank drawer * Attempt to limit problems and liability related to customers' excessive ... Provide proof of identity and eligibility to work in the United States * Must have reliable ...

Blockstream

Forward Deployed Engineer

Menlo Park, CA · On-site

$120 - $180/hr

Operating within the Consulting Services organization, the Forward Deployed Engineer partners ... Integrate with core banking and capital-markets systems. Engineering & Technical Delivery

AngelList

Marketing Lead

San Francisco, CA · On-site

Nova, the banking network underpinning private markets, comes next. You'll work directly with ... Turn proof into persuasion. Bring customer outcomes, institutional logos, migration results ...

AngelList

Marketing Lead

San Francisco, CA

Nova, the banking network underpinning private markets, comes next. You'll work directly with ... Turn proof into persuasion. Bring customer outcomes, institutional logos, migration results ...

Variance

Enterprise Sales Engineer

San Francisco, CA · On-site

... • Build proof-of-concepts and pilot environments that show how Variance performs in customer ... and comfortable operating in ambiguity in a fast-moving startup environment Preferred : • ...

Rescue Mission Alliance

Part-Time Driver

Oxnard, CA · On-site

$21 - $22.88/hr

The Valley Food Bank (VFB), an outreach ministry of RMA is a Christian non-profit organization ... Maintain a safe driving record and appropriate driver's license classification while operating ...

Rescue Mission Alliance

Part-Time Driver

Oxnard, CA · On-site

$21 - $22.88/hr

The Valley Food Bank (VFB), an outreach ministry of RMA is a Christian non-profit organization ... Maintain a safe driving record and appropriate driver's license classification while operating ...

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Showing results 21-40

All JobsProof Operator Banking JobsProof Operator Banking Jobs in California

Proof Operator Banking information

What is a proof operator in banking?

Proof Operators in banking are responsible for verifying and processing financial documents, such as checks and deposit slips, to ensure accuracy before they enter the banking system. They operate specialized equipment to encode, balance, and reconcile transactions, helping to detect and correct errors efficiently. Their role is crucial in maintaining the integrity and accuracy of a bank’s daily financial operations. Proof Operators typically work in the back office and must have keen attention to detail and strong numerical skills.

What are the key skills and qualifications needed to thrive as a proof operator in banking?

To thrive as a Proof Operator in banking, you need strong numerical accuracy, attention to detail, and a high school diploma or equivalent. Familiarity with proof machines, data entry systems, and banking software is typically required. Reliability, time management, and the ability to work efficiently under pressure are important soft skills for this role. These competencies are crucial for ensuring accurate transaction processing and maintaining smooth bank operations.

What are some common challenges faced by proof operators in banking, and how can they be addressed?

Proof operators in banking often deal with high volumes of financial transactions that require precision and speed. Common challenges include managing repetitive tasks without errors, adapting to updated automation technologies, and meeting strict deadlines during peak processing times. To address these challenges, proof operators can benefit from ongoing training on new software, practicing strong attention to detail, and developing effective time management strategies. Collaboration with supervisors and IT teams can also help resolve technical issues promptly and maintain workflow efficiency.

What is the difference between Proof Operator Banking vs Proof Operator Banking?

AspectProof Operator Banking
CertificationsTypically requires banking-specific certifications or proof processing training
Work EnvironmentBanking institutions, cash handling centers, or financial service providers
Employer & Industry UsageUsed mainly in banking and financial sectors for processing proof documents and currency
Comparison FocusFocuses on verifying, processing, and maintaining proof documents or currency in banking

Proof Operator Banking primarily involves handling and verifying proof documents or currency within banking institutions. It differs from related roles like Proof Clerk, which may focus more on document management without the specific banking context. Both roles require attention to detail and knowledge of banking procedures, but Proof Operator Banking emphasizes currency and proof processing in financial environments.

What are popular job titles related to Proof Operator Banking jobs in California?

For Proof Operator Banking jobs in California, the most frequently searched job titles are:

What job categories do people searching Proof Operator Banking jobs in California look for?

The top searched job categories for Proof Operator Banking jobs in California are:

What cities in California are hiring for Proof Operator Banking jobs?

Cities in California with the most Proof Operator Banking job openings:

Proof Operator Banking jobs near you
Infographic showing various Proof Operator Banking job openings in California as of August 2026, with employment types broken down into 50% Full Time, 47% Part Time, 2% Contract, and 1% Nights. Highlights an 99% Physical, and 1% Remote job distribution.

US CISO

Nubank

Palo Alto, CA • On-site

Full-time

Medical, Dental, Vision, Life, Retirement

Re-posted 8 days ago

Key responsibilities

  • Serve as the primary US security authority and point of contact for regulators, overseeing statutory disclosures.

  • Partner with crypto product and infrastructure teams to secure blockchain architectures and translate them into compliant risk frameworks.

  • Lead the strategic security response for AI initiatives, including model integrity and deployment risks.

Job description

About Nu
Nu is the leading digital bank in Latin America, serving 135 million customers across Brazil, Mexico, and Colombia. The company has been leading an industry transformation by leveraging data and proprietary technology to develop innovative products and services.
Guided by its mission to fight complexity and empower people, Nu caters to customers' complete financial journey, promoting financial access and advancement with responsible lending and transparency. The company is powered by an efficient and scalable business model that combines low cost to serve with growing returns.
Nu's impact has been recognized in multiple awards, including Time 100 Most Influential Companies, Fast Company's Most Innovative Companies, and Forbes World's Best Banks.
Visit our Institutional Page
About the team
As Nubank expands its footprint into the US, we are seeking a visionary, highly specialized US Chief Information Security Officer (CISO).
This is not a traditional operational CISO role. You will serve as the executive pillar for Nubank's US strategy, bridging the gap between traditional financial regulations and modern, hyper-scalable crypto and AI technology platforms. You will act as the point of accountability for US regulatory bodies, lead governance transformations, and oversee critical cross-functional security domain leadership.
We are looking for a security leader who balances deep traditional banking compliance expertise with a forward-looking understanding of cryptocurrency protocols and artificial intelligence security.
About the role
As the US CISO, you will architect, establish, and operationalize a unified US security and compliance posture. You will protect customer trust, satisfy strict US regulatory frameworks (e.g., OCC compliance), and secure frontier technology initiatives ensuring Nubank's platform remains resilient, future-proof, and compliant as we scale globally.
Key responsibilities and Expectations
  • US Regulatory & Regulatory Agency Liaison: Serve as the primary US security authority and point of contact for regulators (e.g. OCC). Oversee all mandatory statutory disclosures, including financial and IBFR background reviews.
  • Crypto & Web3 Product Defense: Partner with crypto product and infrastructure teams to secure future-proof financial technologies, translating complex blockchain architectures into compliant, enterprise-grade risk frameworks.
  • Governance, Risk, and Compliance (GRC) Transformation: Uplevel Nubank's GRC program to support multi-geography scaling.
  • AI Security Frameworks: Lead the strategic security response for AI initiatives-from developer workflows and engineering toolsets to model integrity and deployment risks.
  • Insider Threat Program Development: Design, build, and deploy an end-to-end enterprise Insider Threat program across first and second lines of defense in close partnership with Risk and Legal teams.

Qualifications
Professional Experience & Education:
  • Executive Leadership Experience: 15+ years in Information Security, with significant experience operating at an executive, director, or CISO level within FinTech, Banking, or Digital Assets.
  • US Financial Regulatory Expertise: Deep hands-on experience navigating US regulatory environments, specifically working with the OCC, statutory disclosure processes, and financial institution compliance.
  • Cryptocurrency & Blockchain Security: Demonstrated domain expertise in cryptocurrency security, decentralized finance, or digital asset platforms. Experience at leading crypto-native institutions or hyper-growth FinTechs is highly valued.
  • AI Security Strategy: Familiarity with modern AI security risks, LLM integrations, safe code generation tools, and model security.
  • GRC Upleveling: Proven track record of rebuilding or scaling GRC frameworks within complex, multi-national organizations.
  • Executive Communication: Exceptional communication skills needed to interface effectively with regulatory examiners, executive leadership, and board members.

Competencies & Attributes:
  • Fluency in English is required; Portuguese and/or Spanish are a plus.
  • Strong people leadership at scale, including developing managers and leading teams of differing maturity through change and ambiguity.
  • Excellent stakeholder management and communication, with maturity in negotiation and conflict resolution across senior cross-functional partners.
  • A pragmatic, hybrid profile, balanced across people leadership, product sensibility, and technical depth rather than weighted to any single one. A genuine product mindset focused on customer and agent outcomes, with the technical depth to raise the bar in architectural discussions.

Our Benefits
  • Top Tier Medical Insurance
  • Top Tier Dental and Vision Insurance
  • 401(k) matching
  • 20 days time off, 14 company holidays, and great culture that emphasizes work life balance.
  • Life Insurance and AD&D
  • Nucleo - Our learning platform of courses
  • NuLanguage - Our language learning program
  • NuCare - Our mental health and wellness assistance program
  • Extended maternity and paternity leaves
  • Saving Plans - Health Saving Account and Flexible Spending Account
  • Twice a week in the office + quarterly trips to Sao Paulo (Brazil) to build relationships with coworkers.

Our recruitment process may involve the use of artificial intelligence-enabled tools, such as automated interview transcription and analysis, to support the evaluation process. Artificial intelligence is not used to make final hiring decisions; all decisions are made by human reviewers.

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