Senior MERN Developer

Riverside Recruiting • Strongsville, OH

6d • Hybrid

About The Position

We are seeking a Senior MERN Developer to join our team. This role involves designing, building, and supporting scalable applications using MongoDB, Express.js, React, Node.js (TypeScript), APIs, and GCP. You will develop web apps, microservices, integrations, and cloud-native solutions deployed via Cloud Run, Cloud Functions, and Kubernetes. The position requires leading solution design, architecture decisions, and technical projects from inception to deployment. You will coordinate across development teams, product management, and stakeholders, facilitating architecture reviews and planning. Mentoring developers through code reviews and knowledge sharing, promoting engineering best practices, and partnering with Product, QA, DevOps, and Architecture teams are key aspects of this role. Troubleshooting production issues using observability tools like Sentry, OpenTelemetry, and structured logging is also expected.

Requirements

• 7+ years of software development experience, with proven leadership on technical projects
• Strong, current expertise with TypeScript, MongoDB, Express.js, React, and Node.js
• Hands-on experience with dependency injection (InversifyJS or similar), Redis-backed job queues (BullMQ or similar), Cloud Tasks/Pub/Sub, Auth0/OIDC/JWT auth, and Zod
• Modern React tooling — Redux Toolkit, React Hook Form/Formik, MUI or similar
• Experience with GCP (Cloud Run, Cloud Functions, Cloud Tasks, Pub/Sub, Secret Manager), Docker, and Kubernetes
• Experience building scalable APIs, microservices, and distributed systems
• Strong communication and mentoring skills

Nice To Haves

• Experience as a Technical Lead, Lead Developer, or Project Lead
• Experience with payments/card processing, PCI-DSS, or field-level encryption
• Experience with ERP, financial systems, or expense management/AP/procurement applications
• Feature flag release management experience
• Experience integrating LLMs/generative AI into production apps
• Familiarity with Azure/.NET/C# equivalents

Responsibilities

• Design, build, and support scalable applications using MongoDB, Express.js, React, Node.js (TypeScript), APIs, and GCP
• Develop web apps, microservices, integrations, and cloud-native solutions deployed via Cloud Run, Cloud Functions, and Kubernetes
• Lead solution design, architecture decisions, and technical projects from design through deployment
• Coordinate across developers, product, and stakeholders; facilitate architecture reviews and planning
• Mentor developers through code reviews and knowledge sharing; promote engineering best practices
• Partner with Product, QA, DevOps, and Architecture teams
• Troubleshoot production issues using observability tools (Sentry, OpenTelemetry, structured logging)

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: No Education Listed