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Senior Software Security Engineer Jobs (Remote work)

12 Job Offers

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Senior Software Engineer, Security Assurance | UK | Remote
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Join Grafana Labs as a Senior Software Engineer, Security Assurance, working fully remote from the UK. Build automated, data-driven security systems with Kubernetes and cloud-native tooling. Enjoy RSUs, 30 days annual leave, and a global remote culture.
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Grafana Labs
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Until further notice
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Senior Software Engineer, Security Assurance | Spain | Remote
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Senior Software Engineer, Security Assurance needed for a remote-first role in Spain. Build automated, data-driven security systems with Kubernetes and cloud-native tools. Requires strong programming skills and GRC framework knowledge.
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Grafana Labs
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Until further notice
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Senior Software Engineer, Security Assurance | Ireland | Remote
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Senior Software Engineer, Security Assurance needed for a fully remote Ireland-based role. Build automated security observability and compliance systems with Kubernetes, cloud-native tooling, and frameworks like ISO 27001 and SOC 2. RSUs and 30 days leave included.
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Grafana Labs
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Until further notice
Senior Staff Software Engineer | Security Data Platform | Expert in Python
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Armis
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Web3 Security Senior Software Engineer (Java)
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Singapore, Asia
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Binance
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Senior Software Engineer, Security
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180000.00 - 220000.00 USD / Year
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AssemblyAI
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Senior Software Engineer, Cloud Office Security
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Material Security
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Senior Software Engineer, Site Reliability & Security
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WellSaid Labs
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Senior Infrastructure Security Software Engineer (Remote)
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172279.00 - 249640.00 USD / Year
Quora
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Senior Software Engineer, Firefox Security
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Mozilla seeks a Senior Software Engineer, Firefox Security to advance browser security architecture and cryptography. You will design web platform security features and improve reliability across complex systems. Ideal candidates possess strong software engineering fundamentals, Rust experience, ...
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58000.00 - 77000.00 EUR / Year
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Mozilla
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Senior Software Engineer, Firefox Security
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Mozilla seeks a Senior Software Engineer, Firefox Security to advance browser security architecture and cryptography in the Netherlands. You will design web platform features, improve performance, and resolve complex issues in C/C++ and Rust. Ideal candidates possess strong security fundamentals,...
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66000.00 - 88000.00 EUR / Year
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Mozilla
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Senior Software Engineer, Firefox Security
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Senior Software Engineer, Firefox Security – Canada. Join Mozilla to advance Firefox’s core security architecture, focusing on cryptographic protocols, WebPKI, and security-sensitive web APIs. You will design and ship web platform features, improve browser reliability and performance, and resolve...
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95000.00 - 139000.00 CAD / Year
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Mozilla
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Until further notice

About the Senior Software Security Engineer role

Looking for Senior Software Security Engineer jobs means seeking a pivotal role at the intersection of software development and cybersecurity. These professionals are the architects of digital defense, embedding security directly into the fabric of software systems, applications, and platforms. Unlike traditional security analysts, they actively build, design, and code security solutions, making them critical in today's landscape where threats evolve as fast as technology itself.

In this senior capacity, individuals typically shoulder a blend of hands-on technical work and strategic leadership. A core responsibility is the design and development of secure, resilient software. This involves creating security-focused features, such as data protection mechanisms, authentication services, and threat detection engines, often within cloud-native environments. They build the tools and frameworks that other engineers use to write secure code, automating security controls and enforcement. Beyond building new systems, they are deeply involved in securing existing ones. This includes conducting security assessments, threat modeling, and penetration testing to identify vulnerabilities in applications, APIs, and infrastructure. They then collaborate with development teams to architect and implement robust fixes, promoting a culture of security-first development.

The role demands a unique fusion of deep software engineering expertise and specialized security knowledge. Proficiency in programming languages like Python, Go, Java, Rust, or C# is standard, coupled with experience in modern development practices including microservices, containerization with Docker, and orchestration with Kubernetes. On the security side, a strong grasp of applied cryptography, secure coding principles, common attack vectors (like the OWASP Top 10), and security protocols is essential. Knowledge of specific domains such as Data Loss Prevention (DLP), Cloud Security (CASB), or network security is highly valuable. Senior professionals are also expected to lead projects, mentor junior engineers, communicate complex security concepts to stakeholders, and stay ahead of emerging threats.

Typical requirements for these senior jobs often include a degree in Computer Science or a related field, along with 5-10 years of progressive experience blending software development and security. While not always mandatory, industry certifications (such as CISSP, OSCP, or CEH) can demonstrate validated expertise. The most successful candidates possess a proactive, offensive security mindset—thinking like an attacker to build better defenses—and the ability to translate security requirements into functional, scalable code. For those seeking to directly shape the security posture of critical products and infrastructure, exploring Senior Software Security Engineer jobs offers a challenging and high-impact career path at the forefront of technological innovation.