Lead Engineer

SafetyClerk; New York, Northern (NY, KY); Hybrid; USD 150,000 - 210,000; Full time

Job summary

SafetyClerk is hiring a Lead Engineer to architect, build, and scale our Construction Tech / Insurtech SaaS platform. You’ll own systems end-to-end across web, mobile, and data services, collaborating with founders on technical strategy.

We value mentoring, design systems, and strong API/data modeling skills, with a frontend focus on TypeScript and React Native. Remote-friendly with NY/Miami preference.

Qualifications

• 6+ years of professional software engineering experience, with at least 2 years in a senior or lead role.
• Strong backend experience in Python with Flask or a similar framework, plus relational database design with Postgres or equivalent.
• Solid frontend experience with modern TypeScript, React or React Native, and component driven UI.
• Comfortable across the stack: API design, data modeling, frontend rendering, build pipelines, and deployment.
• Experience writing and maintaining tests at multiple levels (unit, integration, end to end).
• Strong communication skills and ability to lead technical discussions with both engineers and non technical stakeholders.

Responsibilities

• Lead architecture and delivery of major features across Flask monolith, Next.js site, Expo mobile app, and FastAPI data services.
• Design clean, well typed APIs and database schemas with SQLAlchemy and Alembic.
• Drive code quality, testing, and review standards across the engineering team.
• Build and evolve the shared design system of native Lit Web Components used by Flask and React Native components used by mobile.
• Partner with Product and Customer Success to translate operational and compliance workflows into reliable software.
• Own performance, reliability, and observability of customer facing systems.
• Mentor engineers, run technical design reviews, and shape long term technical strategy.
• Participate in hiring and help grow the engineering team as the company scales.

Skills

Backend Python

Flask

React/React Native

SQL/PostgreSQL

API design

Testing (unit/integration)

Tools

Next.js

TypeScript

Tailwind

Jest

Pytest

Rollup

Job description

Remote (Global) — New York or Miami a plus - Construction Tech / Insurtech SaaS — Full-time

At SafetyClerk, we are building the next generation of construction operations, safety, risk management, and insurance technology software.
Our platform powers workforce onboarding, safety compliance, time tracking, access control, insurance tracking, daily logs, incident reporting, equipment inspections, and real-time risk intelligence for Construction Managers, General Contractors, Owners, Brokers, and Subcontractors across the United States.
We are looking for a Lead Engineer to help architect, build, and scale the SafetyClerk platform across our web, mobile, and data stack. You will work directly with the founders and leadership on technical strategy, lead delivery on critical initiatives, and mentor engineers across the team.
This role is ideal for a full-stack engineer who is comfortable owning systems end-to-end — from database schema and backend services, to web and mobile clients, to deployment and observability.

Our Stack

• Backend: Python, Flask, SQLAlchemy, Alembic migrations, Postgres
• Frontend (web app): Jinja2 templates, Bootstrap, jQuery and DataTables
• Public website: Next.js, TypeScript, Tailwind, MDX
• Data and analytics: FastAPI services, ClickHouse, geospatial data pipelines
• Tooling: GitHub, Pytest, Jest, ESLint, Rollup

What You'll Do

• Lead architecture and delivery of major features across the Flask monolith, Next.js website, Expo mobile app, and FastAPI data services
• Design clean, well typed APIs and database schemas with SQLAlchemy and Alembic
• Drive code quality, testing, and review standards across the engineering team
• Build and evolve the shared design system of native Lit Web Components used by Flask and the React Native components used by mobile
• Partner with Product and Customer Success to translate operational and compliance workflows into reliable software
• Own performance, reliability, and observability of customer facing systems
• Mentor engineers, run technical design reviews, and shape long term technical strategy
• Participate in hiring and help grow the engineering team as the company scales

What We're Looking For

• 6+ years of professional software engineering experience, with at least 2 years in a senior or lead role
• Strong backend experience in Python with Flask or a similar framework, plus relational database design with Postgres or equivalent
• Solid frontend experience with modern TypeScript, React or React Native, and component driven UI
• Comfortable across the stack: API design, data modeling, frontend rendering, build pipelines, and deployment
• Experience writing and maintaining tests at multiple levels (unit, integration, end to end)
• Strong communication skills and ability to lead technical discussions with both engineers and non technical stakeholders
• Comfortable working in a startup environment with evolving priorities

Big Plus If You Have

• Experience with Expo and React Native in production
• Experience building and maintaining a shared design system or component library (Lit, Web Components, or similar)
• Experience with ClickHouse, OLAP databases, or large geospatial datasets
• Experience with FastAPI or async Python services
• Familiarity with construction tech, insurtech, compliance, workforce management, or operational SaaS
• Experience leading on observability, performance tuning, or security in customer facing applications
• Open source contributions or prior staff or lead engineer experience at a startup

Why Join SafetyClerk

• Significant technical ownership across a real, growing product used on major U.S. construction projects
• Direct collaboration with founders and leadership on architecture and product strategy
• Modern, full stack engineering environment spanning web, mobile, and data
• Opportunity to shape the engineering culture and technical foundation of the company
• Flexible and remote friendly culture
• Help modernize one of the world's largest and least digitized industries

Location

• Remote friendly globally
• Preference for candidates based in New York City or Miami