Netguru seeks a Senior Information Security Analyst in Poland to implement and coordinate security controls, detect and respond to security incidents, manage vulnerabilities and business continuity planning, and promote security awareness. Requires 3+ years of IT/security experience, strong English, hands-on experience with SIEM, endpoint protection, vulnerability scanners, security policies/procedures, and familiarity with ISO 27001 and GDPR. Offers UoP (employment) and B2B contract salary options and standard employee benefits described in the vacancy.

Remote Staff Engineer role responsible for designing and building scalable automation and reliability pipelines for KernelCare (live Linux kernel patching). Requires strong Linux background, backend Python experience, comfort reading C, system design, production-grade implementation and ongoing ownership of product components. Role combines ~70% engineering and ~30% technical product ownership and expects regular use of AI-assisted development tools.

Remote-first IAM Engineer role owning day-to-day IAM provisioning and the automation roadmap: implement SCIM-based day-one provisioning across SaaS tools, finalise Mac/Windows enrolment and Okta rollout, build fallback workflows in Tines, run automated access reviews and certification campaigns with GRC, and advance JIT/PAM and least-privilege evidence collection. Partner closely with GRC, Workplace Technology, engineering and infrastructure; expected to be the sole owner of this domain across the listed countries.

CloudLinux seeks an Engineering Team Lead to run a remote senior team (Go/Python engineers, deliverability and anti-spam specialists) for Imunify Email & Email Gateway. Responsibilities include delivery planning, technical direction, production health (SLOs, observability, incident command), and people leadership (1:1s, hiring, mentoring). Requirements: 5+ years as a software engineer, 2+ years leading engineers, strong Linux and backend production experience, observability/ML familiarity, English proficiency, and availability to work EU hours.

Work on designing and implementing robust, high-performance Rust services and libraries powering trading, payments, and crypto integrations. Collaborate on distributed systems architecture, apply technologies like RPC and Kafka, prioritize security and reliability, and take end-to-end ownership of revenue-critical systems. Requires 3+ years of software engineering experience and proficiency in asynchronous/networked Rust development.

Wikimedia Foundation seeks a Software Engineer III to develop and maintain tools for detecting and mitigating abuse across Wikimedia projects. The mostly-remote role prefers candidates in UTC–UTC+3, requires 1+ years' professional experience, and emphasizes PHP/JavaScript, relational databases, security principles, observability, and collaboration with product, design, and research teams. The listing includes a US salary range and lists multiple countries where hiring is currently supported.

Netguru is hiring a Senior IT System Engineer to own and administer tools such as Google Workspace, 1Password and Slack; manage monitoring and security of office networks and devices; drive selection and implementation of IT solutions; support automation and change management; and collaborate with Security, Legal, Finance and other teams. Requirements include at least 3 years' relevant experience, Google Workspace administration, SAML/SSO/API experience, English (min. B2) and fluency in Polish.

Lead and grow a team of engineers responsible for applications, tools and infrastructure that power security and detection capabilities. Collaborate with engineers, scientists and stakeholders to design and implement solutions for fraud and abuse mitigation; participate in code and architecture reviews; mentor engineers. Role expects 8+ years software engineering experience and 2+ years managing engineering teams, with experience in Typescript or Python, distributed systems, Kubernetes and Docker. Fully remote with flexible hours; locations listed include Poland, Canada, Argentina, Brazil, Mexico and Austria.

CloudLinux seeks an experienced security engineer/researcher to design and ship a brand-new Node.js runtime protection product for Imunify360. The role requires end-to-end ownership — instrumentation strategy, implementation, deployment, and iterative improvement — and focuses on detection accuracy, runtime overhead, and operational telemetry. Candidates should have strong web application security experience, practical exploitation knowledge, detection-at-scale experience, and familiarity with Node.js and the JavaScript ecosystem is desirable. The position is fully remote (work anywhere).

The Principal, Global Event Security and Risk Management will proactively identify and mitigate physical security and enterprise risks affecting staff and community participants, lead risk and gap assessments for events, create and implement emergency response plans, coordinate with internal teams and external partners, remain current on geopolitical developments, and provide crisis support as needed. The role is remote, reports to the Deputy General Counsel, and involves moderate international travel.

Responsible for scoping, planning, executing, and closing M&A-driven migrations of collaboration platforms and domains into the parent environment. Own platform architecture, governance, email and domain security, eDiscovery and archiving workflows, DLP and access controls, tooling/automation, and vendor management across multiple brands and entities.

Manage four language-focused teams (~18 engineers) responsible for CVE analysis, vulnerability assessment, and patch backporting across Java, JavaScript/Go, Python, and PHP ecosystems. Set technical direction, enforce security and release processes, drive CI/CD and tooling consistency, and own SLA compliance and cross-team coordination. Requires 6+ years hands-on development experience and 3+ years engineering leadership, with strong Java experience and security research familiarity.

SearchApi seeks an experienced engineer to own the browser stack: patch browser engines (Chromium/Firefox) in C++, maintain per-OS fingerprint profiles, eliminate automation-detection signals (navigator, WebGL, canvas, audio, fonts, Client Hints, CDP leaks), and build tooling and tests to prevent regressions. The role requires deep reverse-engineering skills, familiarity with large browser build systems, and proven contributions to browser-engine patches or stealth tooling.

Join DuckDuckGo's Privacy Functional Team to lead and own major components of privacy technology, design systems to protect user privacy, build features for Tracker Radar, and participate in privacy reviews and audits. Role is remote (many listed countries), includes mentoring responsibilities, requires occasional travel (~2 times/year), and offers $178,500 USD annual compensation plus stock options.

DuckDuckGo seeks a Privacy Engineering Director to own complex privacy initiatives end-to-end, build privacy triage/review processes and automation, and grow privacy engineers. Requires 10+ years leading privacy reviews/audits and 4+ years privacy engineering leadership. Role is remote across many countries; compensation listed at $243,800 USD/year. Candidates must be willing to travel ~2x/year.

Primer is hiring a hands-on Security Engineer to be the second hire in the security function, owning product/AppSec work including threat modelling and security reviews, building automation and tooling, coordinating penetration tests and remediation, supporting recurring SOC2 and PCI compliance activities, and partnering closely with Cloud, Infra and engineering teams. Remote-first role supporting candidates in the listed countries.

Kraken is hiring a Staff (Senior) Security Architect within Kraken Security Labs to design, review, and verify security architecture across a heterogeneous environment. Responsibilities include conducting security assessments and audits, advising blockchain teams, and working hands-on on topics spanning infrastructure security, cryptography, web3, Rust projects, and AI security. Familiarity with OWASP/NIST and strong collaboration and communication skills are expected.

SearchApi seeks a remote Anti-Bot Engineer to research and implement anti-bot evasion, reverse engineer detection systems (Cloudflare, Akamai, DataDome, PerimeterX, etc.), optimize Playwright/Puppeteer/CDP configurations, debug TLS/protocol fingerprinting (JA3/JA4, HTTP/2, HTTP/3/QUIC), analyze network traffic, and run headless browsers reliably at scale. Fluent English and deep hands-on experience with browser internals, fingerprinting, network analysis tools, and relevant tooling (Playwright, Puppeteer, Selenium, Wireshark, Burp Suite, mitmproxy) are required.

Remote Senior Technical Support Engineer role supporting enterprise customers of a cybersecurity SaaS. Responsibilities include troubleshooting complex frontend/backend issues, working with engineering/product/security teams, debugging and building small automation tools, and mentoring other support engineers. Requires 5+ years in software engineering or technical support, proficiency in Python, JavaScript, HTML, CSS, and experience with distributed systems and web security.

Intuition Machines seeks a Senior Cyber Security Analyst to monitor and investigate automated and human threats across the hCaptcha platform. Responsibilities include advanced investigations, threat hunting, incident response, auditing security measures, contributing to AI/ML detection improvements, and collaborating with product and customer teams. Required skills include web/API security, WAFs, SQL, Kubernetes, scripting (Python/JavaScript), and deep understanding of web application threat landscape. Role is fully remote with flexible hours and requires pre-employment screening and identity verification in the candidate's country of residence.