Lead Full Stack Software Engineer - 409886

Atrium; New York (NY); On-site; USD 120,000 - 140,000; Full time

Benefits offered by this job

Medical, dental, and vision insurance

401(K) with company match

Equity opportunities

Paid vacation and holidays

Paid parental leave

Life and disability insurance

Health savings and flexible spending

Job summary

Atrium is seeking an experienced Lead Full Stack Software Engineer to design, build, and scale enterprise SaaS applications using Python, Node.js, React, and AWS. You will lead a hands-on engineering team, shape architecture, and drive cloud-based solutions that integrate agentic AI capabilities.

The ideal candidate has 5–8+ years in software engineering, strong AWS expertise, and a track record mentoring engineers.

Qualifications

• 5–8+ years of professional software engineering experience.
• Strong hands-on development with Python, Node.js, and React.
• Experience designing and scaling cloud-based SaaS applications.
• Proficient AWS experience including Lambda, API Gateway, SNS, and EC2.
• Experience with PostgreSQL or AWS Aurora.
• Experience with modern API development and architecture.
• Previous experience leading, mentoring, or managing software engineers.
• Strong understanding of CI/CD, automated testing, and code reviews.

Responsibilities

• Lead the design, development, and scaling of enterprise SaaS applications.
• Develop and maintain full-stack applications using Python, Node.js, and React.
• Design and optimize AWS cloud infrastructure and serverless solutions.
• Mentor and manage software engineers, providing technical guidance.
• Collaborate with Product Managers to prioritize features and deliver scalable solutions.
• Establish engineering best practices, including code reviews, automated testing, and CI/CD.
• Design and integrate agentic AI workflows into existing applications.
• Identify opportunities to improve performance, reliability, and efficiency.

Skills

Python

Node.js

React

CI/CD pipelines

Strong communication

Education

Bachelor's degree in CS or related field

Tools

AWS

PostgreSQL

LangChain

LangGraph

OpenAI Agents SDK

API Gateway

Lambda

Aurora

GraphQL

AppSync

Job description

Client Overview

Our client is a growing technology organization specializing in enterprise SaaS solutions for the higher education industry. The company develops innovative software platforms that help educational institutions streamline operations, automate workflows, and improve efficiency. They are seeking an experienced

Client Overview

Our client is a growing technology organization specializing in enterprise SaaS solutions for the higher education industry. The company develops innovative software platforms that help educational institutions streamline operations, automate workflows, and improve efficiency. They are seeking an experienced Lead Full Stack Software Engineer to join their growing Engineering team.

Salary/Hourly Rate

$120k - $140k Annually

Position Overview

This Lead Full Stack Software Engineer role is a hands-on technical leadership position focused on designing, developing, and scaling enterprise SaaS applications using Python, Node.js, React, and AWS. The ideal candidate has a strong full-stack engineering background, experience leading Development teams, and expertise in cloud-based application architecture. The role also involves integrating emerging AI technologies into existing products and engineering workflows.

Responsibilities Of The Lead Full Stack Software Engineer

• Lead the design, development, and scaling of enterprise SaaS applications.
• Develop and maintain full-stack applications using Python, Node.js, and React.
• Design and optimize AWS cloud infrastructure and serverless solutions.
• Mentor and manage software engineers, providing technical guidance and support.
• Collaborate with Product Managers to prioritize features and deliver scalable solutions.
• Establish engineering best practices, including code reviews, automated testing, and CI/CD.
• Design and integrate agentic AI workflows into existing applications.
• Identify opportunities to improve application performance, reliability, and development efficiency.

Required Experience/Skills For The Lead Full Stack Software Engineer

• 5 - 8+ years of professional software engineering experience.
• Strong hands-on development experience with Python, Node.js, and React.
• Experience designing and scaling cloud-based SaaS applications.
• Strong AWS experience, including Lambda, API Gateway, SNS, and EC2.
• Experience with PostgreSQL or AWS Aurora.
• Experience with modern API development and application architecture.
• Previous experience leading, mentoring, or managing Software Engineers.
• Strong understanding of CI/CD pipelines, automated testing, and code review processes.
• Experience building agentic AI workflows using LangChain, LangGraph, OpenAI Agents SDK, or similar frameworks.
• Strong communication, collaboration, and problem-solving skills.

Preferred Experience/Skills For The Lead Full Stack Software Engineer

• Experience with GraphQL or AWS AppSync.
• Familiarity with Ant Design, Bootstrap, and SSO integrations.
• Experience with Golang.
• Experience migrating applications toward serverless architectures.
• Experience working in Agile development environments.

Education Requirements

• Bachelor's degree in Computer Science, Software Engineering, or a related field, or equivalent professional experience, is required.

Benefits

• Medical, dental, and vision insurance.
• 401(K) with company match.
• Equity opportunities.
• Four weeks of paid vacation, 10 paid holidays, and paid sick leave.
• Paid parental leave.
• Employer-paid life and disability insurance.
• Health savings and flexible spending accounts.
• Professional development and continuing education benefits.
• Monthly mobile connectivity stipend.
• Employee assistance and wellness programs.