Security Engineer Jobs in 2026

Security engineer, penetration tester, AppSec, and DevSecOps roles. Protect systems and data at leading companies.

37491 jobs available at 5955+ companies — updated daily

Senior/Staff Engineer - Web3 - Onchain Data

okx Hong Kong, Hong Kong SAR; Singapore, Singapore

Who We Are

At OKX, we believe that the future will be reshaped by crypto, and ultimately contribute to every individual's freedom.
OKX is a leading crypto exchange, and the developer of OKX Wallet, giving millions access to crypto trading and decentralized crypto applications (dApps). OKX is also a tr…
Posted: Sep 25, 2026 5 views
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Staff Software Engineer (UI)

nextiva Bengaluru, Onsite

Redefine the future of customer experiences. One conversation at a time.

At Nextiva, we’re reimagining how businesses connect, bringing together customer experience and team collaboration on a single, conversation centric platform. Powered by AI, driven by human innovation.

Our culture is forward thin…

Posted: Sep 25, 2026 2 views
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Senior Software Engineer (West Coast USA)

fictiv Oakland, CA Office; Seattle, WA

About MISUMI Americas

MISUMI Americas, a division of MISUMI Group, is a leading provider of standard, configurable, and custom manufacturing solutions. By integrating a vast catalog of components with a world-class digital manufacturing platform, MISUMI Americas empowers engineers and procurement tea…

Posted: Sep 25, 2026 1 views
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Senior Partner Solutions Architect

elastic Bangalore, India

Elastic, the Search AI Company, enables everyone to find the answers they need in real time, using all their data, at scale — unleashing the potential of businesses and people. The Elastic Search AI Platform, used by more than 50% of the Fortune 500, brings together the precision of search and the i…

Posted: Sep 25, 2026 5 views
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Senior Application Security Engineer

datadog Paris, France Hybrid

As a Senior Security Engineer within Application Security at Datadog, you will help secure emerging application architectures where established security patterns may not yet exist, including agentic applications, LLM-enabled products, protocol-driven tool use, and untrusted execution environments. Y…

Posted: Sep 25, 2026 4 views
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Technical Support Engineer, Application Security

cloudflare In-Office

About Us

At Cloudflare, we are on a mission to help build a better Internet. Today the company runs one of the world’s largest networks that powers millions of websites and other Internet properties for customers ranging from individual bloggers to SMBs to Fortune 500 companies. Cloudflare protects a…

Posted: Sep 25, 2026 6 views
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Senior Software Engineer, Backend Full Stack-Financial AI Product

rippling San Francisco, CA

About the Financial AI Product Team

Rippling’s Financial Product team builds the systems that power some of the most critical financial workflows for modern businesses — including payroll, payments, reconciliation, compliance, and operational finance.

These products sit at the intersection of money mo…

Posted: Sep 25, 2026 3 views
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Senior Software Engineer, Backend-Fintech Platform

rippling Seattle, WA

About the Fintech Platform

Rippling’s Fintech Platform builds the systems that make global payroll and money movement accurate, reliable, and scalable. We turn complex workforce, payroll, tax, compliance, and banking data into payments for employees, tax authorities, and entities worldwide.

As a Senio…

Posted: Sep 25, 2026 4 views
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Senior Software Engineer, Backend-Financial AI Product

rippling San Francisco, CA

About the Financial AI Product Team

Rippling’s Financial Product team builds the systems that power some of the most critical financial workflows for modern businesses — including payroll, payments, reconciliation, compliance, and operational finance.

These products sit at the intersection of money mo…

Posted: Sep 25, 2026 3 views
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Sr. C# / .NET Developer

delan-associates-inc EST/CST, United States remote

Job Title: Sr. C# / .NET Developer

Location: Remote (EST/CST zone candidates Only)

Duration: 6+ months Contract

MOI: Phone/Video (MSTeams)



Job Description:

Live, Technical Hands On

THERE WILL BE LIVE CODING ASSESSMENT - NO EXCEPTIONS

This is a full stack opportunity built around C# and .NET 8, ASP.NET Core…

Posted: Sep 25, 2026 4 views
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