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Rust Software Engineer Lead, Distributed Ledger

Open 32d North AmericaContractLead

Senior/lead Rust engineer on FIS's Keystone team building a permissioned, BFT-replicated distributed ledger (on the LYRIQ platform) for bank-grade tokenized deposits and digital settlement. Day-to-day: consensus, cryptography and key custody, RocksDB state storage, gRPC APIs/SDKs, and correctness engineering (simulation, fuzzing, model checking) using Rust, tokio, gRPC/tonic, ClickHouse/Postgres,

Actix Analytics API AWS Blockchain +19 skills

FIS Management Services LLC

Rust Software Engineer Lead, Distributed Ledger

Open 32d North AmericaContractLead

Lead Rust engineer on FIS's Keystone team, building the LYRIQ platform: a permissioned, BFT-replicated distributed ledger for bank-grade tokenized deposits and digital settlement. Day to day spans consensus and ledger core (RocksDB), cryptography and key custody (Ed25519, KMS/HSM, TEEs), a programmable transfer-rules language, gRPC APIs/SDKs, and observability.

Actix Analytics API AWS Blockchain +19 skills

134K – 228K $

VIVA Tech Talent

Lead Software Engineer

Open 32d UKLead

Lead an embedded software and HMI applications team at a startup building secure embedded systems for critical infrastructure, owning the software architecture as design authority. Day-to-day is hands-on C/C++ embedded work focused on secure Layer 2/3 networking and cryptography, with team management and rapid prototyping.

Cloud C++ Cryptography Embedded Software Embedded Systems +5 skills

Automation Engineer (Cryptography & PKI)

Salary: £30,000 - 50,000 per year Requirements: We are seeking a skilled Automation Engineer specializing in Cryptography and Public Key Infrastructure (PKI). Strong development capabilities. Deep automation expertise.…

Automation Cryptography PKI

Senior Backend Developer - Madrid

Open 32d EuropeContractSenior

Senior backend developer at Fidesmo building the services that connect payment networks, transit authorities, and secure chips on wearables. Day to day: extending a microservices architecture, REST API design, testing, and CI/DevOps in a small Agile team using Java/Kotlin/Scala, from a central Madrid office with flexible hours and remote work.

Agile Android API Api Design CI/CD +10 skills

Consultant - Cybersecurity

Cybersecurity consultant at malomatia in Doha who secures the organisation's internal environment across cloud (Azure, GCP), identity (Entra ID/AD), network, APIs, cryptography/secrets management, vulnerability management, and DevSecOps — implementing controls, coordinating remediation, and improving security posture alongside IT teams.

Active Directory API Api Security Authentication Automation +30 skills

S&S Senior Security Analyst

Open 31d APACSenior

The Senior Industrial Cybersecurity Assessor is responsible for defining project scope, reviewing technical documentation, conducting gap and risk assessments, coordinating security testing, determining conformity,…

Authentication Automation Business Development Cissp Corrective Action +13 skills

fa-eups-saasfaprod1.fa.ocs.oraclecloud.com/CX

S&S Senior Security Analyst

The Senior Industrial Cybersecurity Assessor is responsible for defining project scope, reviewing technical documentation, conducting gap and risk assessments, coordinating security testing, determining conformity,…

Authentication Automation Business Development Cissp Corrective Action +13 skills

Silence Laboratories

Cryptography Architect

You will lead protocol design and evolution for MPC/TSS, signing, key management, and post-quantum migration. You will turn cryptographic research into implementation-ready designs, review implementations and threat…

C++ Cryptography Rust Threat Modeling

Silence Laboratories

Senior Rust Developer

Open 31d Senior

You will build and maintain Rust services, libraries, SDKs, and APIs for production integrations. You will translate protocol specifications into auditable implementations, design networking and orchestration layers,…

API Api Design Cryptography Developer Experience Distributed Systems +6 skills

Decent Cybersecurity

Senior Software Architect with Post-Quantum Cryptography Expertise

Open 31d RemoteEurope, UKSenior

You will lead the design, development, and implementation of secure and scalable software solutions using post-quantum cryptography. You will guide developers on secure design and coding practices, evaluate…

Cisco Systems, Inc.

Senior IOS Engineer (Duo)

Open 33d HybridNorth AmericaFull-timeSenior

Senior iOS engineer on Cisco's Duo Security team in Ann Arbor (hybrid), building and supporting the Duo Mobile app for iOS — the multi-factor authentication app serving 4M+ users. Day-to-day work spans Swift, Objective-C, SwiftUI/UIKit, backend integration, testing, and production ownership.

Accessibility AI Analytics API Authentication +13 skills

139K – 204K $

Senior Software Engineer (Full Stack)

Open 33d RemoteWorldwideSenior

About Us Web3Auth is a VC-backed company that works on applied cryptography and we specialize in private key management software. Our company vision is to proliferate the usage of cryptographic keys to enable use cases…

Agile Angular AWS Blockchain CI/CD +12 skills

SAP iXp Intern - Support Engineer at Technical Support - Data & Platform ABAP

Open 40d HybridInternshipIntern Licensed UK sponsor Canada LMIA employer

We help the world run better At SAP, we keep it simple: you bring your best to us, and we'll bring out the best in you. We're builders touching over 20 industries and 80% of global commerce, and we need your…

ABAP Accessibility Agile AI Analytics +9 skills

Software Engineering SMTS (Backend - Distributed Systems)

Open 32d HybridAPAC Licensed UK sponsor

Senior backend engineer (SMTS) at Salesforce in Hyderabad building secure, distributed 'Tier 0' services for the core Secrets product — secret storage, distribution, key rotation, and zero-trust identity — including on-call operation, code reviews, and mentoring. Stack spans Go/Java/Python-class languages, Kubernetes, AWS/GCP, and PKI/X.509 cryptography.

Agentforce Agentic AI AI Authentication AWS +34 skills

Site Reliability Engineer, Enterprise Technology Services

Apple's Identity Management Services SRE team in Shanghai is hiring a Site Reliability Engineer to build tooling and operate one of Apple's largest identity platforms — authentication, token management, device provisioning — at massive scale. The work spans distributed systems, observability stacks, automation, incident management, and capacity planning.

AI Anomaly Detection Ansible Authentication Automation +30 skills

Member of Technical Staff — Security

Open 33d North America

First dedicated security engineer at an AI infrastructure startup, building the security program from the ground up across cloud infrastructure, backend systems, and customer-facing APIs while driving SOC 2 readiness. Day to day: threat modeling, cloud IAM/network security, secrets management, SIEM monitoring, incident response, and compliance documentation on AWS/GCP and Kubernetes.

AI API Authentication AWS Azure +31 skills

Sr. Director, Information Security & Cloud Operations

Open 33d North AmericaSenior

Senior leadership role owning information security and cloud infrastructure strategy for Prolaio's AI-driven, cloud-first cardiology platform. The director builds a continuous security and compliance program (HITRUST, ISO 27001, HIPAA, FDA) and operates cloud infrastructure with a DevSecOps, security-as-code approach.

AI Analytics AWS Azure Cloud +22 skills

Northern Technologies Group

NGE - Network Design Engineer Architect / Lead

North AmericaContractLead

Position Summary The NGE - Network Design Engineer Architect / Lead supports the Missile Defense Agency (MDA) under the Integrated Research and Development for Enterprise Solutions (IRES) contract. Serving as the…

Automation AWS Azure Backbone.js BGP +28 skills

Application/Product Security Engineer Graduate (Security BP) - 2027 Start

Open 33d On-siteJunior

Graduate application/product security engineer at TikTok's Sydney team, reviewing designs, code and systems via black-box testing, code review, threat modeling and automation, and helping drive incident response and remediation. Core work spans appsec fundamentals plus coding in at least one of JavaScript, Go, Python, Java, C++ or Rust.

AI Automation Cloud Cloud Security C++ +10 skills