
Security • Fintech • Crypto
Walrus Security is a company specializing in secure payment infrastructures, helping businesses collect payment details for transactions such as wires, RTP, and crypto with minimal friction. With over $20 billion in verified transactions, Walrus Security is trusted by funds, fund administrators, fundraising platforms, family offices, and foundations. Their unique authentication platform, DoubleCheck®, offers low-friction, high-security payment protection even against threats like email takeover. The company was founded by security and cryptography experts and continues to lead innovation in payment security technology.
March 3

Security • Fintech • Crypto
Walrus Security is a company specializing in secure payment infrastructures, helping businesses collect payment details for transactions such as wires, RTP, and crypto with minimal friction. With over $20 billion in verified transactions, Walrus Security is trusted by funds, fund administrators, fundraising platforms, family offices, and foundations. Their unique authentication platform, DoubleCheck®, offers low-friction, high-security payment protection even against threats like email takeover. The company was founded by security and cryptography experts and continues to lead innovation in payment security technology.
• You will be part of the core team at Walrus, working on our flagship product. • Design, build, and own exciting new modules; examples include payments, reputation, and authentication. • Create standards and culture that will endure for years to come. • Opportunities to innovate solutions to hard problems, and write a lot of code. • Design how to approach software development in a meditative environment where team cooperation prevails.
• 5+ years of experience designing, building, and deploying sophisticated web applications. • Experience with tools for testing. • Curiosity, and an interest in teaching and learning from your colleagues. • Strong written communication skills. • Optionally, experience with modern UI frameworks, web standards, and programming best practices. • Detailed understanding of designing data models for relational databases. • Experience using cloud infrastructure for reliable and scalable web applications. • Experience building authentication flows and/or implementing secure APIs. • Experience building or using tools for data analysis, performance profiling, and debugging.
• Competitive compensation and benefits • Salary • Equity • Paid medical insurance • Dental • Vision • Company contribution to wellness • Good coverage for dependents • Parental leave • Retirement • Relocation assistance • Unlimited PTO
Apply NowFebruary 28
Join a Series B AI healthtech startup as a Senior/Staff Software Engineer. Work on both internal and customer-facing software products.
JavaScript
Kafka
Node.js
TypeScript
Go
February 27
Join GEICO as a Senior Engineer to build cutting-edge platforms and enhance data protection strategies.
🇺🇸 United States – Remote
💵 $105k - $215k / year
⏰ Full Time
🟠 Senior
🧑💻 Full-stack Engineer
🦅 H1B Visa Sponsor
AWS
Azure
Cloud
Google Cloud Platform
Java
Microservices
Python
Rust
SDLC
Go
February 27
Join Valarian Technologies as a Backend Engineer, building tools for evolving global security challenges.
AWS
Azure
Cloud
Distributed Systems
Google Cloud Platform
Java
Kubernetes
Python
Rust
Go
February 26
Join Patterned Learning as a remote Senior Software Engineer specializing in server-side applications for AI. Collaborate with teams and drive product quality.
Node.js
React
Ruby
Ruby on Rails
Go
February 22
Build and scale core product offerings for AI and Robotics at Helm.ai to foster autonomous systems.
🇺🇸 United States – Remote
💵 $150k - $250k / year
⏰ Full Time
🟠 Senior
🧑💻 Full-stack Engineer
🦅 H1B Visa Sponsor
AWS
Azure
Cloud
Distributed Systems
Docker
Google Cloud Platform
GRPC
Kubernetes
Microservices
Node.js
Numpy
Python
PyTorch
Terraform