Senior Full-Stack Software Engineer

DNSFilter’s mission is to protect our customers and partners with products they love to use! We are revolutionizing network security by providing fast, accurate, and reliable threat protection and content filtering. We're a rapidly growing company dedicated to creating a safer internet for businesses and organizations worldwide. Leveraging AI-driven threat intelligence, DNSFilter empowers our customers to proactively block threats before they impact their networks. We foster a collaborative, innovative, and results-oriented culture where every team member contributes to our mission of making the internet safer.

As we continue our product-fueled growth by adding new features and broadening our solution to meet the needs of the global market, it's clear there's a missing piece. That's where you come in!

• Be a member of our Engineering organization working on the front and back end of our software application (React, NextJS, MUI, Golang, Ruby, .NET)
• Work closely with other engineers, the UX team, and other stakeholders to build modularized solutions using our new design system
• Deliver real business value to our customer base
• Expand your knowledge on all technologies within our ecosystem
• Use AI to accelerate your learning and productivity, and an advocate for AI throughout the department

• 5+ years of experience working with Golang, Ruby, .NET, C# or something similar 
• 2+ years of experience developing and maintaining JavaScript, React and Redux code
• Experience building microservices or RESTful API’s
• Experience building reusable components
• Proven ability to leverage AI tools (e.g., GitHub Copilot, Cursor, LLMs) to accelerate coding, debugging, and unit test generation while maintaining high standards for security and performance
• Experience integrating AI into the broader SDLC—including documentation, PR summaries, and architectural prototyping—to significantly reduce "time to context" and repetitive overhead
• Maintains a "human-in-the-loop" approach to critically audit AI-generated outputs for hallucinations and suboptimal patterns, while mentoring others on responsible AI usage
• Experience with Material UI (https://mui.com/)
• Knowledge of transforming old designs from Tailwind CSS to Material UI (MUI)
• Experience using React Query to optimize searches and cache data
• Attention to detail while converting UX designs to a working application
• You will have an API-first mindset, developing components and services that are consumed via interfaces and API contracts
• Experience with PostgreSQL, Redis, Kafka, ClickHouse, and other data stores
• Working knowledge of AWS and EKS
• Experience working remotely under minimal supervision
• The ability to keep work hours that mostly overlap with 9a-5p Eastern, M-F

• Knowledge or experience with other programming languages, specifically TypeScript, Next.js
• Knowledge of feature flag management tools such as LaunchDarkly
• Experience working with multiple distributed teams
• Experience building a security product
• Excellent documentation skills
• Awareness of AppSec, OSS licensing, and security tools
• An understanding of computer networking protocols and DNS