Senior Security Engineer, OpenSea
Infrastructure
$160-305k
+ Equity
Decentralised NFT marketplace
Job no longer available
Decentralised NFT marketplace
501-1000 employees
Job no longer available
$160-305k
+ Equity
501-1000 employees
Company mission
To shape an accessible and open digital economy for everyone.
Role
Who you are
- We are seeking a skilled and motivated Security Engineer to join our team
- 5+ years of experience in infrastructure security or a similar role
- Deep familiarity with cloud environments like AWS (preferred) or GCP
- Experience with infrastructure-as-code (IaC) tools (e.g., Terraform, CloudFormation)
- Proficient in one or more programming languages, such as Java, Go, PowerShell, Node.js, C#, Python, and Ruby
- Strong understanding of AWS network security concepts and technologies
- Passion for blockchain technology, NFTs, and the potential of digital ownership is a huge plus
What the job involves
- The ideal candidate will be responsible for leading the efforts to ensure security by design, as well as improving existing systems
- They will be involved at T0, working closely with product and engineering teams who rely on cloud infrastructure
- Conduct advanced security assessments and threat modeling of our infrastructure, ensuring new systems are secure by design
- Leverage established cloud security best practices and frameworks to architect, deploy, and sustain secure cloud infrastructure environments. Prioritize robust network configurations, stringent access controls, and comprehensive data encryption strategies, both at rest and during transit, across all cloud services
- Continuously monitor, identify, and remediate vulnerabilities across all our infrastructures, including deployment, container, and production environments, while driving ongoing security improvements
- Collaborate closely with cross-functional teams, including developers and product managers, to develop secure applications that adhere to industry best practices and regulatory requirements
- Design and implement advanced security features, such as authentication, authorization, and encryption, to protect sensitive data and user privacy
- Refine and enforce access control measures across all operational domains, including cloud platforms and software deployment tools, ensuring robust and compliant security protocols are consistently applied
Our take
OpenSea is a peer-to-peer digital marketplace for NFTs or uniquely identifiable digital items. These items are authenticated with blockchain and are part of a new internet economy that consists of digital products representing art, game characters, domain names, and event tickets.
As NFT adoption surged, the platform initially faced speed and cost challenges tied to the limitations of the Ethereum network. In response, OpenSea expanded support to more scalable solutions such as Polygon, improving transaction efficiency and user experience while broadening access to lower-cost trading.
Despite increased competition following the fallout from FTX and the rise of rivals like Blur, OpenSea has continued to adapt its strategy with a renewed focus on long-term growth and community trust. Recent updated, including the decision to delay its SEA token launch to ensure strong rollout, the introduction of temporary 0% trading fees, and user-focused initiatives such as optional fee refunds, signal a more measured, user-centric approach as it promotes a revamped platform. While the competitive landscape remains intense, these moves suggest OpenSea is prioritizing sustainability and product quality, placing itself to remain a central player in the evolving NFT ecosystem.
Steph
Company Specialist at Welcome to the Jungle
Insights
5% employee growth in 12 months
Company
Funding (last 2 of 6 rounds)
Jan 2022
$300m
SERIES C
Jul 2021
$100m
SERIES B
Total funding: $427.3m
Company HQ
Brickell, Miami, FL
Leadership
Devin Finzer
(Co-Founder & CEO)Prior to co-founding OpenSea in 2017, Devin co-founded Claimdog, which was acquired by Credit Karma which he joined as an Engineering Manager. He also co-founded Iris Labs and spent nearly 2 years at Pinterest as a Software Engineer.
Nadav Hollander
(CTO)Prior to joining OpenSea in 2022, Nadav co-founded Dharma where he served as the CEO. He was also a Software Engineer at Coinbase.
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