CrawlJobs Logo

Senior Applied Cryptographer

United States, Redmond 119800.00 - 234700.00 USD / Year · Job Posted March 21, 2026
Apply Position
Job Link Share

Job Description

The Security Research Group at Microsoft Research Redmond is pushing the boundary of what is possible with the fascinating primitive of zero-knowledge (ZK) proofs. You’ll work alongside experts who are shaping the future of secure and privacy-preserving computation through real-world applications of this primitive. Your contributions will help define the next generation of secure, scalable, and private systems in the cloud. As a Senior Applied Cryptographer, you will design and implement next-generation zero-knowledge proof systems targeting improved performance, higher security (e.g., resistance to quantum computers), and programmability (e.g., supporting general computation). In this role, you’ll deepen your expertise in state-of-the-art proof systems and high-speed implementations. You’ll have opportunities to grow your skills through hands-on innovation and collaboration with world-class researchers and engineers.

Job Responsibility

  • Design and implement ZK circuits for real-world applications including signature verification and state management via Merkle trees
  • Use and extend circuit Software Development Kits (SDKs) to accelerate development
  • Develop reusable circuit components and SDKs to support new token standards
  • Add new functionality, extend existing functionality, and maintain high-speed cryptography libraries like Nova
  • Upgrade proof systems to include recent developments/optimizations
  • Parallelize proof generation across machines
  • GPU-based optimization of proving process
  • Embody our culture and values

Requirements

  • Bachelor's Degree in Computer Science or related technical field AND 4+ years technical engineering experience with coding in languages including, but not limited to, Rust
  • OR equivalent experience

Nice to have

  • Doctorate (PhD) or Master's Degree in Computer Science or related fields
  • Prior experience with ZK circuit development using frameworks like Bellpepper, Circom, or Arkworks
  • Familiarity with blockchain token standards
  • Familiarity with state-of-the-art proof systems
  • Prior experience with implementing and optimizing proof systems
  • Experience with constraint systems and ZK proof systems

Looking for more opportunities?

Search for other job offers that match your skills and interests.

Similar Jobs for

Senior Applied Cryptographer

8 matching positions

New

Applications Support Senior Analyst

Location
Location
India , Pune
Salary
Salary:
Not provided
https://www.citi.com/ Logo
Citi
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 6 plus years experience in an Application Support role
  • Practical problem solving and strategic thinking skills
  • Demonstrated leadership, interpersonal skills and relationship building skills
  • Service oriented attitude
  • Ability to work in a fast-paced environment
  • Experience working or leading requirement gathering efforts for multiple large development projects at one-time
  • Proficient using basic technical tools and systems
  • Good interpersonal and communication skills
  • Good all-round technical skills
  • Effectively share information with other support team members and with other technology teams
Job Responsibility
Job Responsibility
  • Provides technical and business support for users of Citi Applcations
  • Partner with multiple technology teams to ensure appropriate integration of functions to meet goals
  • Perform Incident/Outage Management
  • Investigation of incidents reported across a range of applications within our Custody Digital Assets and Settlements applications
  • Engagement with ITIL processes including Major Incident management, problem management, change management etc
  • Operate independently to identify process bottlenecks and proactively drive improvements
  • Experience in performing resiliency activities such as disaster recovery coordination
  • Confidently handle outage communication with stakeholders in Business and Operations
  • Actively participate in defining and implementing application onboarding guidelines and standards
  • Acts as SME to senior stakeholders and /or other team members
  • Fulltime
Read More
Arrow Right

Senior Engineer VP - Digital Assets

Embark on a transformative journey as a Senior Engineer VP - Digital Assets. At ...
Location
Location
United States , Whippany
Salary
Salary:
170000.00 - 230000.00 USD / Year
barclays.co.uk Logo
Barclays
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Proven experience designing and building tokenized deposits, bonds, repos, stablecoins, and related digital asset systems in a regulated financial institution
  • Practical expertise across L1s/L2s, smart contracts, cryptographic services, and interoperability frameworks
  • Good understanding of token standards, and on-chain settlement concepts
  • Comfortable owning technical solutions end-to-end, from design and development through testing, deployment, and continuous improvement
  • Apply DevSecOps discipline, including CI/CD, secrets management, cloud security, and automated testing
  • Confident using AI-enabled engineering and productivity tooling to accelerate delivery, improve code quality, enhance decision-making and mitigate technology and operational risk
Job Responsibility
Job Responsibility
  • Design and develop secure, scalable platforms that enable tokenization, wallet-driven workflows, smart contract functionality, and seamless integration with core enterprise systems
  • Development and delivery of high-quality software solutions by using industry aligned programming languages, frameworks, and tools
  • Ensuring that code is scalable, maintainable, and optimized for performance
  • Cross-functional collaboration with product managers, designers, and other engineers to define software requirements
  • Devise solution strategies, and ensure seamless integration and alignment with business objectives
  • Collaboration with peers, participate in code reviews, and promote a culture of code quality and knowledge sharing
  • Stay informed of industry technology trends and innovations and actively contribute to the organization's technology communities
  • Adherence to secure coding practices to mitigate vulnerabilities, protect sensitive data, and ensure secure software solutions
  • Implementation of effective unit testing practices to ensure proper code design, readability, and reliability
What we offer
What we offer
  • Medical, dental and vision coverage
  • 401(k)
  • Life insurance
  • Other paid leave for qualifying circumstances
  • Incentive award
  • Competitive holiday allowance
  • Private medical care
  • Pension contribution
  • Fulltime
Read More
Arrow Right

Key Management Senior Engineer (VP)

The Key Management Senior Engineer is a senior engineering position responsible ...
Location
Location
United Kingdom , Belfast
Salary
Salary:
Not provided
https://www.citi.com/ Logo
Citi
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Enhanced experience on cryptographic key management (manual and automated)
  • Familiar with cryptographic interfaces and formats like PKCS
  • Experience with cryptographic products (e.g. Hardware Security Modules or Key Management solutions like Fortanix)
  • Familiar with common scripting and programming languages
  • Experience with key management systems used by major cloud providers
  • Relevant experience in an Engineering role
  • Experience working in Financial Services or a large complex and/or global environment
  • Experience with enterprise-wide projects
  • Consistently demonstrates clear and concise written and verbal communication
  • Demonstrated analytic/diagnostic skills
Job Responsibility
Job Responsibility
  • Ensure the goals of Data Security Engineering department are delivered
  • Execution of IT strategy and roadmap for Key Management Systems
  • Ensure operational readiness and conformance to global standards for ongoing operation and support
  • Utilize an in-depth understanding of how engineering integrates within technology and commercial awareness
  • Train and coach junior team members
  • Make evaluative judgment based on analysing information in complicated or unique situations
  • utilizing multiple sources of information
  • Impact engineering through overseeing planning, finances / budget, end results and policy setting
  • Negotiate with senior leaders across functions and with external parties, as required
  • Appropriately assess risk when business decisions are made, demonstrating particular consideration for the firm's reputation and safeguarding Citigroup, its clients and assets, by driving compliance with applicable laws, rules and regulations, adhering to Policy, applying sound ethical judgment regarding personal behaviour, conduct and business practices, and escalating, managing and reporting control issues with transparency, as well as effectively supervise the activity of others and create accountability with those who fail to maintain these standards
What we offer
What we offer
  • Hybrid working model (up to 2 days working at home per week)
  • Competitive base salary (which is annually reviewed)
  • 27 days annual leave (plus bank holidays)
  • A discretional annual performance related bonus
  • Private Medical Care & Life Insurance
  • Employee Assistance Program
  • Pension Plan
  • Paid Parental Leave
  • Special discounts for employees, family, and friends
  • Access to an array of learning and development resources
  • Fulltime
Read More
Arrow Right

Senior Devops Engineer, Alpaca Engineer (US Federal)

This role will support one or more direct or indirect contracts with the U.S. Fe...
Location
Location
United States , Reston
Salary
Salary:
163800.00 - 245800.00 USD / Year
Workday
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • A minimum of 8 years software development or DevOps experience
  • A minimum of 5 years experience with internet protocols TCP/IP, HTTP, SSL/TLS etc
  • A minimum of 3 years experience with Linux and container technologies (K8s, Docker)
  • A minimum of 3 years using, deploying, and applying: AWS, Google Cloud Platform
  • Bachelor’s Degree in Computer Science or related field (or equivalent experience)
  • This role may require a security clearance at the TS/SCI w/CI Poly level
  • Applicants must have the ability to obtain and maintain a U.S. government issued security clearance
  • An active TS/SCI w/CI Poly is preferred
  • Experience automating infrastructure in at least one modern programming language such as Python, Go, Ruby, Java
  • Experience running databases (SQL and NoSQL)
Job Responsibility
Job Responsibility
  • develop, build, deploy, and support the security specific solutions and infrastructure to help protect Workday customers data
  • operate and maintain our critical production system as well as building massively scalable digital security systems
  • regular after-hours production support, in the event of critical service outages
What we offer
What we offer
  • may be eligible for the Workday Bonus Plan or a role-specific commission/bonus
  • annual refresh stock grants
  • Fulltime
Read More
Arrow Right

Senior Firmware Security Engineer

The Azure Silicon Cloud Hardware Infrastructure and Engineering (SCHIE) team is ...
Location
Location
India , Bangalore
Salary
Salary:
Not provided
https://www.microsoft.com/ Logo
Microsoft Corporation
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Bachelor’s or Master’s degree in Electrical Engineering, Electronics Engineering, Computer Science, or a related field
  • 10+ years of professional experience in firmware security and embedded firmware development
  • Strong experience in low-level silicon and firmware development, including hands-on debugging using both hardware and software debugging tools
  • Proven experience with secure boot, secure firmware updates, attestation, SPDM, DICE, threat modeling, secure recovery, and secure debug workflows at scale
  • Excellent problem-solving and analytical skills, with the ability to diagnose complex system issues
  • Strong written and verbal communication skills
  • Experience architecting or implementing industry-standard security protocols, including secure communications, cryptographic algorithms, PKI, and key management technologies
  • Ability to analyze and interpret hardware schematics
  • Deep understanding of platform server architectures, including BMC, secure boot, IPMI, SPDM, Redfish, TPM, and related security components
Job Responsibility
Job Responsibility
  • Design and develop critical firmware security features for Azure server platforms
  • Define and integrate end-to-end security feature flows spanning multiple server subsystems, from product concept and architecture through development, validation, and integration with Azure services
  • Embed Secure Development Lifecycle (SDL) practices throughout the development process, with a strong test-driven, quality-first mindset
  • Apply a solid understanding of security primitives, cryptography, threat models, and mitigation strategies to address and close identified vulnerabilities
  • Design and implement firmware modules supporting hardware interfaces and protocols such as SPI, I2C, I3C, UART, and related technologies
  • Perform system-level debugging and troubleshooting to identify and resolve hardware and firmware issues
  • Develop and maintain scalable, modular, and maintainable firmware architectures
  • Adapt effectively to changing priorities and operate successfully in fast-paced, evolving environments
  • Demonstrate strong communication, technical leadership, collaboration, and interpersonal skills
  • Navigate ambiguous problem spaces and bring clarity through structured thinking and execution
  • Fulltime
Read More
Arrow Right

Senior Staff Identity and Access Management Engineer

GEICO is seeking an experienced Engineer with a passion for building high perfor...
Location
Location
United States , Chevy Chase; Palo Alto; Dallas; Seattle
Salary
Salary:
120000.00 - 260000.00 USD / Year
geico.com Logo
Geico
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 10+ years of professional experience in technology or identity engineering
  • 8+ years of experience with security, identity, architecture, and design
  • 4+ years of experience with open-source frameworks is desired
  • 4+ years of experience with AWS, GCP, Azure, or another cloud service
  • 1+ years of people management experience
  • Bachelor’s degree in computer science, Information Systems, or equivalent education or work experience
  • Experience building the architecture and design (architecture, design patterns, reliability, and scaling) of new and current systems
  • Fluency in DevOps Concepts, Cloud Architecture, and the Software Development Lifecycle
  • Experience in security protocols and products: Understanding of Active Directory, Kerberos, LDAP, SAML, OAuth, and OIDC
  • Experience with continuous delivery and infrastructure as code
Job Responsibility
Job Responsibility
  • Lead execution and adoption of modern authentication and authorization mechanisms (SAML, OIDC/OAUTH2)
  • Engage peers and leaders at all levels
  • Consistently share best practices and improve processes within and across teams
  • Determine and support resource requirements, evaluate operational processes, measure outcomes to ensure desired results, and demonstrate adaptability and sponsoring continuous learning
  • Own the complete project lifecycle for application integrations of both on-premises and SaaS applications with our IGA platform
  • Collaborate with application team to implement tokenization solutions that reduce sensitive data exposure, thereby enhancing data security and minimizing the risk of unauthorized access
  • Stay at the forefront of emerging identity trends, technologies, and best practices, and apply this knowledge to enhance GEICO’s data protection strategies
  • Provide technical guidance and mentorship to the team, fostering a culture of innovation, collaboration, and continuous improvements
  • Collaborate with cross-functional teams, including security, compliance, and application teams to ensure the seamless integration and alignment of solutions with organizational goals
  • Build resilient and scalable architecture, driving innovation and cost efficiency
What we offer
What we offer
  • Comprehensive Total Rewards program that offers personalized coverage tailor-made for you and your family’s overall well-being
  • Financial benefits including market-competitive compensation
  • a 401K savings plan vested from day one that offers a 6% match
  • performance and recognition-based incentives
  • and tuition assistance
  • Access to additional benefits like mental healthcare as well as fertility and adoption assistance
  • Supports flexibility- We provide workplace flexibility as well as our GEICO Flex program, which offers the ability to work from anywhere in the US for up to four weeks per year
  • Fulltime
Read More
Arrow Right

Senior Security Engineer, Application Security

We are hiring a Senior Application Security Engineer to join Turnkey's team and ...
Location
Location
Salary
Salary:
Not provided
turnkey.com Logo
Turnkey
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Bachelors degree in Computer Science, Engineering, or a related field
  • 5+ years of experience in application or product security, ideally in fast-moving, high-impact or crypto-native environments
  • Strong understanding of web, mobile, and cryptographic security fundamentals (e.g. OWASP Top Ten, SANS/CWE Top 25)
  • Proficiency in programming and scripting languages (Typescript/Javascript, Go, Rust) and experience building secure systems from the code up
  • Hands-on experience with security testing tools and methodologies (static/dynamic analysis, pen testing, etc.)
  • Strong understanding of cloud, containerized, and runtime environments (AWS, GCP, Docker, Kubernetes), with the ability to embed security early in the SDLC
  • Excellent analytical, problem-solving, and communication skills, with a collaborative mindset for partnering across product and infrastructure teams
  • Curious, proactive, and passionate about building secure, reliable systems in a fast moving startup environment
  • A builder mentality
  • comfortable operating with ambiguity, tackling incomplete systems, and applying hands-on engineering experience to security challenges.
Job Responsibility
Job Responsibility
  • Partner with Product and Engineering at both the design and development stage to ensure that we implement new features securely, including (but not limited to): Participating in the implementation efforts
  • Doing security reviews
  • Helping with product design decisions
  • Auditing and surfacing vulnerabilities in our current products
  • Conducting threat modeling and security assessments for new features and systems, identifying risks early and shaping secure architectural decisions
  • Developing and improving our Automated Tooling: further enhancing our automated tooling to scale our product security capabilities and find potential code problems both before and after we deploy
  • Making the safe way, the easy way: work on defining and building application guardrails so that developers can build securely by default
  • Investigating and remediating security issues, including vulnerabilities and incidents, and drive long-term improvements to prevent recurrence
  • Embedding a culture of secure development across engineering, defining practices that influence how Turnkey builds, deploys, and maintains systems at scale.
What we offer
What we offer
  • Full benefits, including medical, dental, vision, life, disability, HSA/FSA, 401(k)
  • Paid parental leave
  • Unlimited PTO
  • $3,000/yr learning and development budget to attend industry conferences
  • Multiple team offsites per year
  • Macbook Pro laptop
  • Lunch stipend (for those physically in the New York City office)
  • Fulltime
Read More
Arrow Right
New

IT Training Lead

The IT Training Lead will drive technology learning and user adoption across the...
Location
Location
United States , Delray Beach
Salary
Salary:
Not provided
https://www.roberthalf.com Logo
Robert Half
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Experience in IT training, instructional design, technical enablement, or learning and development
  • Strong knowledge of Microsoft 365
  • Excellent communication, facilitation, and content development skills
  • Ability to translate technical concepts into practical, user-friendly training.
Job Responsibility
Job Responsibility
  • Design, develop, and deliver IT training programs in instructor-led, virtual, and self-paced formats
  • Take lead in the Microsoft Copilot and AI training strategy, including onboarding, advanced use cases, responsible AI usage, and ongoing enablement
  • Partner with IT leadership to support new technology rollouts, system upgrades, and digital transformation initiatives
  • Create and maintain training content, including videos, guides, tutorials, and job aids
  • Identify skill gaps and develop targeted learning solutions to improve adoption and productivity
  • Gather feedback and measure training effectiveness to continuously improve programs.
Read More
Arrow Right