Senior Software Engineer

DNSFilter is a rapidly growing company dedicated to creating a safer internet for businesses and organizations worldwide. They are seeking a full-stack software engineer specializing in React and NextJS development to modernize their application and contribute to their mission of providing reliable threat protection and content filtering.

Responsibilities:

• 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

Requirements:

• 5+ years of experience working with Golang, Ruby, .NET, 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