Cryptography Jobs in California

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Senior Analytics Engineer

Coinbase

Remote

Full-time

Ready to be pushed beyond what you think you're capable of? At Coinbase, our mission is to increase economic freedom in the world. It's a massive, ambitious opportunity that demands the best of us, every day, as we build the emerging onchain platform - and with it, the future global financial system. To achieve our mission, we're seeking a very specific candidate. We want someone who is passionate about our mission and who believes in the power of crypto and blockchain technology to update the

Analytics Engineer

Coinbase

Remote

Full-time

Ready to be pushed beyond what you think you're capable of? At Coinbase, our mission is to increase economic freedom in the world. It's a massive, ambitious opportunity that demands the best of us, every day, as we build the emerging onchain platform - and with it, the future global financial system. To achieve our mission, we're seeking a very specific candidate. We want someone who is passionate about our mission and who believes in the power of crypto and blockchain technology to update the

Lead, Technology Risk

Coinbase

Remote

Full-time

Ready to be pushed beyond what you think you're capable of? At Coinbase, our mission is to increase economic freedom in the world. It's a massive, ambitious opportunity that demands the best of us, every day, as we build the emerging onchain platform - and with it, the future global financial system. To achieve our mission, we're seeking a very specific candidate. We want someone who is passionate about our mission and who believes in the power of crypto and blockchain technology to update the

Ethernet NIC Software and Validation Engineer

Broadcom Corporation

Irvine, California, USA

Full-time

Please Note: 1. If you are a first time user, please create your candidate login account before you apply for a job. (Click Sign In > Create Account) 2. If you already have a Candidate Account, please Sign-In before you apply. Job Description: Broadcom is a leading supplier of high speed, highly optimized, highly integrated ASICs to the Cloud and Enterprise Data Center markets. In the Network Switching and Controller Group, we are operating at the cutting edge of the market, creating high pe

Sr. Software Engineer TS/SCI Polygraph

Leidos

San Diego, California, USA

Full-time

Description Leidos has an exciting opportunity for a Sr. Software Engineer! *Must have an active TS/SCI Polygraph up front. No exceptions.* You will perform software development lifecycle (SDLC) activities as both an individual and a member of our top-notch agile development team building a large complex enterprise system. Development includes the full range of turning Agile user stories into implementable concepts, through development, unit testing, integration and test, and deployment of the

Cybersecurity Engineer

Commonspirit Health

Remote or Englewood, Colorado, USA

Full-time

Overview Inspired by faith. Driven by innovation. Powered by humankindness. CommonSpirit Health is building a healthier future for all through its integrated health services. As one of the nation's largest nonprofit Catholic healthcare organizations, CommonSpirit Health delivers more than 20 million patient encounters annually through more than 2,300 clinics, care sites and 137 hospital-based locations, in addition to its home-based services and virtual care offerings. CommonSpirit has more tha

Staff Software Engineer - Test Engineering (Hybrid/Onsite)

Visa Inc.

Remote or Austin, Texas, USA

Full-time

Company Description Visa is a world leader in payments and technology, with over 259 billion payments transactions flowing safely between consumers, merchants, financial institutions, and government entities in more than 200 countries and territories each year. Our mission is to connect the world through the most innovative, convenient, reliable, and secure payments network, enabling individuals, businesses, and economies to thrive while driven by a common purpose - to uplift everyone, everywhe

Sr. Blockchain Engineer

ConsultNet, LLC

Remote or South Jordan, Utah, USA

Full-time

Senior BlockChain Developer Remote - USA Long term contract Pay: DOE We are seeking an experienced Blockchain Engineer. The ideal candidate will have experience working with Blockchain and Ethereum, including experience in Go, C# and other OOP languages. As a Blockchain Engineer, you will primarily work on blockchain-related projects, Designing and implement Smart Contracts using Solidity.Additionally you may also be tasked to work on back-end micro services using Go, .Net and SQL as needed.

Backend Engineer (GoLang Developer)

SES

Remote

Full-time

Systems Engineering Services is seeking a Backend engineer with a focus on Golang Development based out of the DMV area. Top 5 Technical Skills: Experience using the following Tech Stacks: Golang; Python; and NodeJS Understanding of cryptography, consensus algorithms, and other core concepts of blockchain technology Familiarity with Private Blockchain as well as Public platforms such as Ethereum, Hyperledger, and/or Corda Top 3 Soft Skills: Outstanding Communications Collaboration Proven ability

Golang -Backend Engineer

SES

Remote

Contract

Top 5 Technical Skills: Experience using the following Tech Stacks: Golang; Python; and NodeJS Understanding of cryptography, consensus algorithms, and other core concepts of blockchain technology Familiarity with Private Blockchain as well as Public platforms such as Ethereum, Hyperledger, and/or Corda Top 3 Soft Skills: Outstanding Communications Collaboration Proven ability to work with Vendors and External Partners Job Description: The Backend Engineer is responsible for the development and

Mainframe Architect

Laiba Technologies LLC

Remote

Third Party, Contract

Role: Mainframe Architect Location: Remote ,USA (PST working hours) Minimum of 10+ years of experience as a Mainframe Administrator and 5+ as Architect. Ability to lead and facilitate Scrum ceremonies. Extensive experience in Mainframe hardware migration, configuring IOCP,IODF and HCD. Experience in Mainframe storage and tape library migration Experience in planning and building new mainframe infrastructure services. Knowledge in CICS and MQ Knowledge in Mainframe network technology such as VTAM

Blockchain Architect

Enfycon Inc

Remote

Third Party, Contract

Job Summary: We are seeking a highly experienced Blockchain Architect with deep expertise in Zero- Knowledge Proofs (zk-SNARKs) and other privacy-enhancing technologies. The ideal candidate will be responsible for designing and implementing advanced blockchain solutions with a strong focus on privacy, scalability, and regulatory compliance. This role requires hands- on experience with zk-proof development frameworks (e.g., Circom, SnarkJS, ZoKrates), smart contract engineering, and decentralize

Senior Security Researcher / Reverse Engineer / Windows Product Security

Request Technology, LLC

Remote

Full-time

NO SPONSORSHIP - NO OPT's Senior Product Security Engineer SALARY: $180,000 - 220,000 plus 10% plus pre-IPO stock options LOCATION: remote Looking for a security researcher proficient in reverse engineering experience. You will be analyzing malware and have an understanding of cryptography. Ability to develop tools to augment existing capabilities, endpoint hardening and testing. Endpoint focused, hands on testing window based agents EDR/AV products C++, Rust Python Windows APIs rust developmen

Sr Software Engineer - Identity (Android)

Uber Corporate

Sunnyvale, California, USA

Full-time

About the Role As a Sr Software Engineer (Android) on the Partner Identity team at Uber, you will play a key role in developing Identity and Access Management (IAM) solutions that drive Uber's global ecosystem of partners. In this role, you will work closely with Engineering Managers, Product Managers, and cross-functional teams to design and implement scalable, secure, and high-performance systems. You'll contribute to building next-generation Identity platforms that support various Uber's 1P

Principal Security Researcher

Request Technology, LLC

Remote

Full-time

We are unable to sponsor for this permanent full-time role Position is bonus eligible Prestigious Enterprise Security Services Company is currently seeking a Principal Security Researcher. Candidate will contribute to a number of strategic research initiatives to develop the product and services catalogue. Primary focus for this role is to analyze ransomware samples and threat actor tools to gain insights for future product features, threat actor insights, and assist in the validation of our cur

Mid-level, FIPS 140 Security Engineer & CVP Certified Tester

Catapult Solutions Group

Remote

Contract

Mid-level, FIPS 140 Security Engineer & CVP Certified Tester Work model: REMOTE Department: FIPS/Testing Location:Columbia, MD Role Type:Contract No Clearance Required* Not available on C2C contract basis* Not able to provide sponsorship* About Our Client Our client offers an exciting opportunity to work in the rapidly expanding IT Security field, integral to supporting national defense initiatives. This organization plays a crucial role in ensuring national security by evaluating and validat

Senior, FIPS 140 Security Engineer & CVP Certified Tester

Catapult Solutions Group

Remote

Contract

Senior, FIPS 140 Security Engineer & CVP Certified Tester Work model: REMOTE Department: FIPS/Testing Location: Columbia, MD Role Type: Contract No Clearance Required* Not available on C2C basis* Not able to provide sponsorship* About Our Client Our client offers an exciting opportunity to work in the rapidly expanding IT Security field, integral to supporting national defense initiatives. This organization plays a crucial role in ensuring national security by evaluating and validating IT sec