Sr. Applications Developer MERN

Foundation Software; Strongsville (OH); On-site; USD 120,000 - 160,000; Full time

Job summary

Foundation Software in Strongsville, OH is seeking a Senior Application Developer to own and deliver cloud-native MERN applications on GCP. You will lead technical projects, mentor developers, and shape architecture while hands-on coding with TypeScript and Node.js.

You'll collaborate with product, QA, DevOps, and security teams to drive scalable, reliable solutions and modernize our platform using Docker, Kubernetes, and cloud-native services.

Qualifications

• 7+ years of software development experience.
• Proven experience leading software projects and influencing technical direction.
• Strong, current expertise with TypeScript.

Responsibilities

• Design, build, and support scalable MERN applications on GCP.
• Lead solution design and contribute to architecture decisions.
• Drive modernization initiatives for scalability, reliability, security, and maintainability.
• Coordinate work across developers, product teams, and stakeholders.
• Mentor developers through code reviews, coaching, and knowledge sharing.

Skills

TypeScript

Project leadership

Mentorship

Communication

Problem solving

Tools

MongoDB

Express.js

React

Node.js

InversifyJS

BullMQ

Redis

Google Cloud Platform

Docker

Kubernetes

Auth0

OIDC

JWT

Zod

Redux Toolkit

Job description

Senior Application Developer (MERN/ GCP/ Technical Lead)

Build the Future of Construction Technology

Foundation Software is one of the fastest-growing construction software companies in the U.S. and a multi-year Northeast Ohio Top Workplace. We're seeking a Senior Application Developer who combines strong hands-on engineering skills with technical leadership, project ownership, and a passion for building modern cloud-native applications.

This role focuses on the TypeScript-based MERN stack and Google Cloud Platform (GCP) while helping evolve our broader technology ecosystem.

Development & Architecture

• Design, build, and support scalable applications using MongoDB, Express.js, React, Node.js (TypeScript), APIs, and GCP.
• Develop modern web applications, microservices, integrations, and cloud-native solutions deployed via containers to Google Cloud Run, Cloud Functions, and Kubernetes.
• Lead solution design and contribute to architecture decisions.
• Drive modernization initiatives that improve scalability, reliability, security, and maintainability.

Technical & Project Leadership

• Lead technical projects from design through deployment.
• Coordinate work across developers, product teams, and stakeholders.
• Facilitate architecture reviews, planning sessions, and technical decision-making.
• Identify and resolve technical risks, dependencies, and delivery challenges.

Mentorship & Collaboration

• Mentor developers through code reviews, coaching, and knowledge sharing.
• Promote engineering best practices including clean architecture, dependency injection, testing, performance, and code quality.
• Partner closely with Product, QA, DevOps, Architecture, and business teams.
• Troubleshoot complex production issues using the observability stack (Sentry, OpenTelemetry, structured logging) and drive continuous improvement.

Required

• 7+ years of software development experience.
• Proven experience leading software projects and influencing technical direction.
• Strong, current expertise with TypeScript
• Strong expertise with:
  • MongoDB (native Node.js driver; Mongoose a plus)
  • js
  • React
  • js
• Hands-on experience with:
  • Dependency injection / IoC containers (InversifyJS or similar)
  • Redis-backed job queues (BullMQ or similar) and Google Cloud Tasks / Pub/Sub
  • Auth0 / OIDC / JWT-based authentication
  • Schema validation with Zod
  • Modern React tooling - Redux Toolkit, React Hook Form/Formik, and Material UI (MUI) or similar.
• Experience developing and deploying solutions in Google Cloud Platform (GCP), including Cloud Run, Cloud Functions, Cloud Tasks, Pub/Sub, and Secret Manager.
• Experience with Docker and Kubernetes for containerized service deployment.
• Experience building scalable web applications, APIs, microservices, and distributed systems.
• Experience mentoring developers and leading technical discussions.
• Strong communication, collaboration, and problem-solving skills.

Preferred

• Experience as a Technical Lead, Lead Developer, or Project Lead.
• Experience with payments/card processing, PCI-DSS, or client-side field-level encryption.
• Experience with construction software, ERP systems, financial systems, or expense management solutions.
• Experience building or integrating expense management, AP, invoice processing, procurement, or purchasing applications.
• Experience with feature flag release management
• Experience integrating LLMs / generative AI into production applications.

  Why Foundation?

  • Influence architecture and technical direction.
  • Lead impactful projects and mentor other developers.
  • Work with modern TypeScript, React, and GCP technologies.
  • Competitive compensation, strong benefits, and career growth opportunities.
  • Award-winning culture with a collaborative, employee-focused environment.

  If you enjoy building modern cloud applications, leading technical initiatives, and mentoring others, we'd love to talk with you.