Senior Full-Stack Engineer - Java/JS, Remote (US ET)

Deque Systems Inc; Maryland; Remote; USD 120,000 - 190,000; Full time

Job summary

Deque Systems Inc is hiring a Senior Full-Stack Engineer to contribute to Axe Monitor, with frontend work in TypeScript and ReactJS and backend in Java/Spring Boot. You will drive scalable services, data pipelines, and AI-assisted code reviews, while ensuring security and correctness.

The role is fully remote, aligning with US East business hours. You will collaborate with a team of experts, contribute to accessibility-focused tooling, and work within a flat, supportive culture that values

Qualifications

• 4+ years of full-stack engineering experience with strong backend depth in Java, Spring Boot, Hibernate, and relational databases.
• 2+ years of experience with TypeScript, Node.js, and ReactJS.
• Proven experience using AI tools effectively alongside the critical judgment to catch AI errors and edge cases.
• Demonstrated ability to query databases, trace code, and resolve live production issues independently.
• Ability to work dedicated 9 AM – 5 PM US Eastern business hours.
• Experience building complex software in large enterprise environments (finance, insurance, big tech, or scaled SaaS).
• Active GitHub profile with inspectable code (Java samples preferred).
• Basic web accessibility knowledge (further expertise built on the job).

Responsibilities

• US Eastern Anchor: Take ownership of investigating, troubleshooting, and resolving production customer issues during US Eastern business hours.
• Backend Core: Build high-volume services, scanner engines, data pipelines, and database queries using Java, Spring Boot, Hibernate, and SQL.
• Frontend Components: Maintain and build accessible UI components and APIs in TypeScript, Node.js, and ReactJS.
• Critical AI Engineering: Leverage AI tools to accelerate delivery while strictly reviewing AI-generated code for security, logic, and accuracy.

Skills

Backend depth

Frontend skills

AI tooling

Production troubleshooting

US hours

Enterprise background

GitHub profile

Accessibility basics

Tools

Java

Spring Boot

Hibernate

SQL

TypeScript

Node.js

ReactJS

Job description

Deque Systems Inc is hiring a Senior Full-Stack Engineer to contribute to Axe Monitor, with frontend work in TypeScript and ReactJS and backend in Java/Spring Boot. You will drive scalable services, data pipelines, and AI-assisted code reviews, while ensuring security and correctness.

The role is fully remote, aligning with US East business hours. You will collaborate with a team of experts, contribute to accessibility-focused tooling, and work within a flat, supportive culture that values