Senior Application Developer (MERN/GCP/Technical Lead)

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.

What You'll Do

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DevelopmentArchitecture

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• 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.

TechnicalProject Leadership

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• 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.

MentorshipCollaboration

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• 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.

What We're Looking For

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Required

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• 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

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• 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
• Familiarity with equivalent technologies on the Azure / .NET / C# stack.

Why Foundation?

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• 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.