Senior MERN Developer

The River Source Treatment Center - Casa Grande LLC

Strongsville, OH, United States

8 days ago

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Role details

Contract type

Permanent contract

Employment type

Full-time (> 32 hours)

Experience level

Expert

Experience required

7 years minimum

Compensation

$110,000.0 - $135,000.0

Working hours

Regular working hours

Job source

www.careerjet.com

Tech stack

Application Programming Interfaces (APIs) Microsoft Azure C Sharp (Programming Language) Cloud Computing Code Review Dependency Injection DevOps Distributed Systems MongoDB Node.Js OpenID PCI Data Security Standards

+18 more

Redis Release Management Software Engineering Systems Integration TypeScript Web Applications Data Logging Mern ReactJS Large Language Models Express.js Grafana Kubernetes Sentry React Redux Restful APIs Docker Microservices

Job description

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)

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

Preferred

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

About the company

Position SummaryJoin us to develop the future of real-world, user-centered construction technology with a creative and fun team! Foundation Software is one of the fastest-growing p…