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Added 2 mins ago
Senior Software Engineer (ICAM / Zero Trust)
CACI International
Elkridge, MD
…modern cloud-native technologies, DevSecOps practices, and full-stack software…
Added 2 mins ago
DevSecOps Senior Automation Platform Engineer
CACI International
Aberdeen Proving Ground, MD
Job Title: DevSecOps Senior Automation Platform Engineer
Added 2 mins ago
T
Practice Architect II-IAM
TEKsystems
Hanover, MD
- $148,200 to $222,400 USD / year
…Acquisition Team requires: The IAM Practice Architect is a senior technical leader responsible for the execution and delivery of enterprise Identity and Access Management (IAM) solutions.…
Added 2 mins ago
Senior Network Security Engineer
General Dynamics Information Technology
Bethesda, MD
The Senior Network Security Engineer is responsible for the configuration, deployment, and management of the customer’s security appliances and infrastructure in a 24x7x365 environment. The…
Added 2 hours ago
UL
Head of Retention - US Market Experience Required
UMAEZ LLC
Remote, United States
- $36,000 to $60,000 USD / year
…internally. Over time, you'll progressively take ownership of the full function…
Added 3 hours ago
TT
Founding Senior Engineer
True Talent Solutions Partners
New York, NY
- $175,000 to $225,000 USD / year
- Own full-stack development of the growth engine, with a focus on backend systems and infrastructure.
Added 4 hours ago
Analyst, CRM & Systems Integration
Crimson Brand Partners
Salt Lake CIty, UT
This role will play a key part in managing and optimizing Salesforce, maintaining integrations across our technology stack, and developing the tools that enable our sales and service teams…
Added 4 hours ago
IG
Principal Engineer, Populus.ai and Elevate Platform
IPS Group Inc.
Remote, United States
- $125,000 to $160,000 USD / year
…roles in one: the platform's architect and its lead hands-on developer. You will set the…
Added 4 hours ago
Senior Database Administrator
Hamilton Lane Advisors, LLC
Conshohocken, PA
…investors around the world, specializing in flexibility and full-spectrum access. We currently employ approximately 800 professionals operating in offices throughout North America, Europe,…
Added 4 hours ago
BDR
Advertise Purple
Remote, United States
Comfortable and confident using the modern sales stack: HubSpot, LinkedIn Sales Navigator, ZoomInfo, Hunter.io, HeyReach, G-Suite (and whatever else it takes to get the meeting)
Added 5 hours ago
C
Senior Full-Stack Engineer – E-commerce (Shopify)
CORSAIR
Milpitas, CA
- $170,000 to $185,000 USD / year
Strong communication skills - able to clearly describe a feature, and walk through an entire tech stack architecture, for both technical and non-technical audiences
Added 5 hours ago
Senior Signal and Power Integrity Engineer
Waymo
Mountain View, CA
Establish comprehensive SIPI guidelines and stack-up specifications through feasibility studies; collaborate with cross-functional teams to resolve SIPI challenges
Added 5 hours ago
BV
Senior Data Engineer
Bright Vision Technologies
Sunnyvale / South Bay, CA
- $115,000 to $165,000 USD / year
Position Type: Full-time, Direct W2 - [Not open to C2C or 1099]
Added 5 hours ago
Systems Engineer, Platform Engineering
Quanta Services Management Partnership
Houston, TX
This is a delivery-focused role for someone comfortable moving across a full-stack surface - frontend, backend, and applied AI - without needing deep specialization in any one layer yet.…
Added 5 hours ago
Senior Software Engineer
Bread Financial Payments, Inc
Columbus, OH
The Senior Software Engineer is responsible for developing and enhancing financial technology solutions by translating requirements into functional software. Engineers in this role actively…
Added 5 hours ago
Senior Full Stack Engineer
Vizient, Inc.
Irving, TX
Added 5 hours ago
Principal Software Engineer
DriveTime Sales and Finance Company, LLC
1720 W Rio Salado Pkwy Tempe, AZ
Influencing technical strategy and communicating architectural decisions to senior leadership and key stakeholders.
Added 5 hours ago
Senior Test Engineer
USA-Medtronic MiniMed, Inc 1017
Northridge, CA
We are seeking a highly skilled and experienced Senior Test Engineer to lead the design, development, validation, and sustaining of automated test equipment (ATE) and manufacturing test…
Added 5 hours ago
Senior AI Engineer
USA-Medtronic MiniMed, Inc 1017
Atlanta, GA
MiniMed is building a lean, high-leverage AI & Data Science team. We are looking for a Senior AI Engineer who builds AI capabilities hands-on and sets the standard the rest of the team…
Added 6 hours ago
Senior Marketing Operations Specialist
Cognex Corporation
Natick, MA
We are looking for a Senior Marketing Operations Specialist to join our web marketing team to help centrally manage our marketing tools and technologies that help drive awareness of…
Added 6 hours ago
Head of Retail and Wealth Risk Technology, MD (C16)
Citigroup
Rutherford, NJ
Forge deep partnerships with senior business leaders, technology stakeholders, risk partners, and regulators to prioritize critical initiatives and ensure consistent delivery of strategic,…
Added 6 hours ago
Senior AI Engineer, Banking Technology
Citigroup
Jersey City, NJ
Full‑Stack AI Engineering: Build full‑stack applications integrating LLM‑driven workflows and AI coding tools (e.g., Devin, GitHub Copilot).
Added 6 hours ago
Senior Software Engineer
Western Governors University
Salt Lake City, UT
Join a team of experienced full-stack engineers working closely together in a highly collaborative environment.
Added 6 hours ago
Associate Software Engineer
Western Governors University
Salt Lake City, UT
…Associate Software Engineer, you will work alongside experienced full-stack engineers to design, build, test, and support applications that improve the student experience and advance WGU's…
Added 6 hours ago
Senior DevSecOps Engineer
Peraton
Reston, VA
Peraton is seeking a Senior DevSecOps Engineer to join our team in Reston, VA - a DevSecOps / Platform Engineer who will help build and operate our Agentic AI platform across delivery,…

Prospex CRM

Staff Cryptographer

United States

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Job details

Posting language: English

Original job description

Location: Remote-friendly globally (UTC-3 to UTC+5 for working overlap). Reports to: Head of Engineering (once hired). Co-Founder / CTO. Type: Full-time. Individual Contributor.

About us:

The company is the digital-asset custody and infrastructure platform for the GCC. We hold institutional crypto safely, settle transactions across chains, and expose all of that as a developer API and a regulated-grade institutional console.

Why this role exists:

A custody platform either trusts its MPC scheme or it should not exist. We have shipped a working TSS stack with the founding engineering team. We now need a research-grade specialist to own scheme selection, audit response, signing-protocol evolution, post-quantum readiness, and the cryptographic hard-facts of the platform from the inside. This is not a generic blockchain engineer who applies primitives. This is a practicing cryptographer who designs them, reviews them, and ships them.

The role:

You will own the cryptographic core of Company’s custody platform:

Scheme ownership. Select, justify, and evolve the MPC / TSS scheme family we run in production (CGGMP21, FROST, GG18 / GG20, lattice variants, future post-quantum threshold schemes). Protocol reviews. Author and shepherd scheme-review documents. Sit in audit conversations with Trail of Bits, NCC Group, Zellic, or equivalent. Production implementation. Read and write Rust and Go cryptographic code. Pair with the custody engineering team on signing-service performance, share generation, key rotation, and recovery flows. Incident response. When a paper, advisory, or competitor disclosure changes our threat model, you write the response and propose the fix. External representation. Speak at IACR venues, RWC, Real World MPC, ZKProof. Publish work that the company allows you to publish. Internal teaching. Lift the cryptographic literacy of the engineering organization. Run paper-reading sessions. Mentor IC engineers who want to grow into cryptographic specializations. You are not the entire cryptography team. You are the first dedicated cryptographer. Inside 18 to 24 months we expect to grow this function to a small team and you will hire the next people.

Must-haves:

8-plus years of applied cryptography practice, with at least 4 years on threshold signing, MPC, secret sharing, or related primitives shipped in production at a regulated entity. Hands-on with at least one of: GG18, GG20, FROST, CGGMP21, DKLs23, BLS threshold, lattice-based threshold (Raccoon, Sparkle, equivalent), or a comparable scheme family. You have implemented it, not just read the paper. Production code in Rust or Go. Not just research code. Mainline branches that hold real customer assets. Public technical artifact. At minimum one of: an IACR ePrint, RWC / CRYPTO / EUROCRYPT / ASIACRYPT talk, a maintainer role on an open-source MPC library (cggmp21, multi-party-ecdsa, ZKP libraries, lattice libraries, equivalent), or a public scheme-review writeup. Has been through one regulated-audit cycle as the cryptography-side owner. SOC 2, NYDFS DFS Part 500, FCA, MAS, VARA, OCC, FINMA, or equivalent. Communicates research clearly to engineers who are not cryptographers. You can write a one-page explainer of a primitive that a Senior IC will internalize in 30 minutes. English fluency. Written and verbal.

Nice-to-haves:

PhD in cryptography from a recognized program. Co-authorship on a paper that has been cited by a deployed system you can point to. Experience reviewing or contributing to NIST submissions (post-quantum signature competition, multi party threshold cryptography call). Open-source maintainer credentials on cggmp21, multi-party-ecdsa, libthreshold, mpc-lib, FRESCO, sl crypto, dkls23, or equivalent. Has co-designed a scheme that was implemented by a third party. Comfort with lattice cryptography and post-quantum threshold variants.

This is not the right role if:

"Blockchain engineer" with no published cryptography work. Wrong specialism. ZK-only background with no MPC / TSS experience. We touch ZK in narrow places but the core function is threshold signing. Hash-and-sign Solidity developer with no protocol-level cryptography depth. Currently subject to a non-compete that blocks custody / MPC work for more than 6 months.

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