Senior Full-Stack Engineer — AWS, React & Python

proofpoint; Arizona; On-site; USD 110,000 - 160,000; Full time

Job summary

Proofpoint in the United States (Arizona) seeks a software engineer to build and operate the Threat Intelligence Services platform. You will own tools end to end: standing up and running the team\'s AWS environment, building APIs and integrations, and shipping web front-ends and automation relied on daily to produce and deliver intelligence at scale.

You will work with Python and React on a security-focused team, delivering reliable software with minimal supervision and collaborating with

Qualifications

• 2-5 years of professional software engineering experience and comfortable delivering and operating production systems with minimal supervision.
• Hands-on AWS administration: EC2, Lambda, storage, networking, monitoring, and troubleshooting.
• API development and integration experience; AWS API Gateway preferred.
• Front-end development with React and Node.js, ideally including Fuse (or a comparable React application framework).
• Proficiency in Python.
• SQL and relational database experience, preferably PostgreSQL.
• Ability to learn new systems quickly and work independently across full stack.

Responsibilities

• Administer and troubleshoot the team's AWS environment, including but not limited to EC2, Lambda, storage, networking (VPC, DNS/Route 53, transit gateway, security groups), monitoring, and deployment pipelines.
• Design and build APIs and integrations (AWS API Gateway) that wire internal threat-intel platforms, third-party threat feeds, and LLM services into the tooling suite.
• Develop and deploy the web front- ends analysts use to generate and deliver intelligence (React / Node.js; Fuse), including dashboards, report/deck generators, and detection tooling.
• Maintain and develop enhancements to the headless CMS-based customer threat intel portal, its underlying database (PostgreSQL and Elastic Search) infrastructure, and micro-frontend (Fuse/React)
• Write Python services ( FastAPI ) for data processing, report and detection-rule generation, and workflow automation.
• Model and query data across PostgreSQL and Elastic Search and support headless-CMS-backed content workflows.
• Partner directly with analysts to identify manual, repetitive intelligence tasks and turn them into automated, maintainable products.
• Keep the platform secure, observable, and well-documented. You own reliability, troubleshooting, QA, and security for what you ship.

Skills

AWS

React

Python

PostgreSQL

REST APIs

Terraform

Docker

CI/CD

Node.js

Security concepts

Tools

Git

Job description

Proofpoint in the United States (Arizona) seeks a software engineer to build and operate the Threat Intelligence Services platform. You will own tools end to end: standing up and running the team\'s AWS environment, building APIs and integrations, and shipping web front-ends and automation relied on daily to produce and deliver intelligence at scale.

You will work with Python and React on a security-focused team, delivering reliable software with minimal supervision and collaborating with