Lead Software Engineer

Atrium Staffing LLC; New York (NY); Hybrid; USD 120,000 - 140,000; Full time

Benefits offered by this job

Hybrid NYC office and remote options

401(k) with company match

Equity opportunities

Medical, dental, vision insurance

Mental health benefits

Life and disability insurance

Education stipend

Job summary

Atrium Staffing LLC is seeking a hands-on Lead Software Engineer in New York, hybrid with flexible remote options. You will drive engineering strategy across a growing SaaS suite, mentor engineers, and shape cloud architecture toward scalable, serverless solutions.

The role emphasizes AI-powered development practices and cross-team collaboration. Ideal candidates have 5–8 years of experience, strong Python/NodeJS/ReactJS, and proven leadership in complex projects.

Qualifications

• - 5-8 years of professional software engineering experience.
• - Proficiency in Python, NodeJS, ReactJS, and modern frameworks.
• - Experience designing agentic AI-powered systems and related tooling.
• - Hands-on with LangGraph/LangChain/LangFuse or OpenAI Agents SDK.
• - Strong AWS cloud and serverless expertise.
• - Familiarity with PostgreSQL/AWS Aurora and GraphQL.

Responsibilities

• - Lead technical strategy and architecture across enterprise SaaS applications.
• - Collaborate with product leadership on features and priorities.
• - Define engineering policies, standards and best practices.
• - Identify and integrate AI engineering tools to boost efficiency.
• - Design and implement agentic systems using AI frameworks.
• - Provide technical guidance and mentorship to teams.
• - Audit products and processes; recommend improvements.
• - Lead code reviews, CI, automated testing, and QA.
• - Support high-level design, planning and execution.
• - Scale applications toward serverless cloud infrastructure.
• - Support hiring, resourcing and project prioritisation.
• - Collaborate with Product, UX, QA, Release, and Tech teams.

Skills

Python

NodeJS

ReactJS

AWS

AI frameworks

Serverless

Leadership

Education

Bachelor's degree in CS/Eng

Equivalent experience considered

Tools

LangGraph

LangChain

LangFuse

OpenAI Agents SDK

AWS Lambda

API Gateway

Job description

Client Overview:

Our client is a technology and services organization focused on helping higher education institutions modernise their operations, expand online learning, and deliver better experiences for students and educators. The organization develops AI-powered SaaS solutions that streamline workflows, connect critical systems, improve efficiency, and provide actionable data to academic institutions. Our client is seeking a Lead Software Engineer to provide technical leadership across a growing suite of enterprise SaaS applications.

Salary/Hourly Rate:

$120k - $140k

Position Overview:

The Lead Software Engineer will provide technical leadership across a growing suite of enterprise SaaS applications. The Lead Software Engineer will work closely with product and technology leadership to shape engineering strategy, design scalable solutions, introduce AI-powered development practices, and build agentic systems that integrate with existing products.

This role is ideal for a hands-on Lead Software Engineer who combines strong software development expertise with strategic thinking, technical mentorship, and team leadership. The Lead Software Engineer will help establish engineering standards, improve software quality, guide technology decisions, and support the continued evolution toward scalable and serverless cloud infrastructure.

Responsibilities of the Lead Software Engineer:

• Lead technical strategy, architecture, and engineering initiatives across enterprise applications.
• Partner with product leadership on prioritisation and enterprise-level feature design.
• Define and document engineering policies, standards, and development best practices.
• Identify and implement AI engineering tools to improve development efficiency.
• Design and implement agentic systems using modern AI frameworks and technologies.
• Provide technology recommendations and technical guidance to engineering teams.
• Audit existing products and processes and recommend improvements.
• Establish and lead code reviews, automated testing, CI, and QA practices.
• Support high-level technical design, project planning, and implementation.
• Help scale applications while advancing serverless cloud infrastructure where appropriate.
• Mentor engineers and provide technical and career development guidance.
• Support hiring recommendations, resource allocation, and project prioritisation.
• Collaborate effectively across Product, UX, QA, Release, and Technology teams.

Required Experience/Skills for the Lead Software Engineer:

• 5-8 years of professional software engineering experience.
• Strong experience with multiple programming languages and modern frameworks.
• Experience with Python, NodeJS, ReactJS, Bootstrap, and/or ANT Design.
• Experience designing and implementing agentic systems and AI-powered solutions.
• Hands-on experience with frameworks such as LangGraph, LangChain, LangFuse, or OpenAI Agents SDK.
• Strong experience with AWS cloud services and serverless technologies.
• Experience with AWS Lambda, SNS, API Gateway, and EC2.
• Experience with PostgreSQL and/or AWS Aurora.
• Experience with GraphQL and AWS AppSync.
• Strong understanding of automated testing, code reviews, CI, and software quality practices.
• Experience working in Agile software development environments.
• Proven experience managing complex projects from conception through implementation.
• Strong technical leadership, communication, stakeholder management, and team coaching skills.
• Ability to influence technical decisions across engineering and product teams.

Preferred Experience/Skills for the Lead Software Engineer:

• Experience with Golang.
• Experience scaling enterprise SaaS applications.
• Strong understanding of serverless architecture and cloud-native development.
• Experience leading engineering teams and mentoring software developers.
• Experience using AI tools to improve software development workflows.
• Experience collaborating across Product, UX, Quality, and Release teams.
• Strong client engagement and relationship management experience.
• Experience working in rapidly changing, collaborative environments.
• Familiarity with Google Workspace, including Docs, Slides, and Sheets.

Education Requirements:

• Bachelor's degree in Computer Science, Engineering, or a related field preferred.
• Equivalent professional experience will be considered.

Benefits:

• Hybrid work environment with NYC office and remote flexibility.
• Company-provided computer and charger.
• 401(k) with company match.
• Equity opportunities.
• Medical, dental, and vision insurance.
• Mental health benefits.
• Employer-paid life and disability insurance.
• Supplemental insurance options.
• Health Savings Account and Flexible Spending Accounts.
• Commuter benefits and pre-tax benefit options.
• Employee Assistance Program.
• Paid parental leave.
• Wellness programs and resources.
• Paid vacation, holidays, and sick leave.
• Monthly mobile connectivity stipend.
• Annual education and professional development stipend.
• Employee discount program.
• Career growth and development opportunities.

Job Wrapping ID: #LI-AJ3