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Internship Junior Mern Stack Developer Jobs in Ohio

SynergisticIT

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Internship Junior Mern Stack Developer information

What are the key skills and qualifications needed to thrive as an internship junior MERN Stack developer?

To thrive as an Internship Junior MERN Stack Developer, you need a foundational understanding of JavaScript, HTML, CSS, and core concepts of MongoDB, Express.js, React, and Node.js, usually gained through coursework or self-study. Familiarity with version control systems like Git, as well as experience using code editors and basic debugging tools, is typically expected. Strong problem-solving abilities, eagerness to learn, and effective communication skills help you integrate with teams and adapt to new challenges. These skills are essential for building functional web applications, collaborating in agile environments, and growing into more advanced development roles.

What is an internship junior MERN Stack developer?

An Internship Junior MERN Stack Developer is an entry-level developer who is learning to build web applications using the MERN stack, which includes MongoDB, Express.js, React.js, and Node.js. During their internship, they assist with coding, debugging, and testing web applications under the guidance of senior developers. This role helps interns gain practical experience with full-stack JavaScript development and prepares them for more advanced positions in web development.

What types of projects can an internship junior MERN Stack developer expect to work on, and how are tasks typically assigned within the team?

As an Internship Junior MERN Stack Developer, you will often work on real-world web applications, assisting with both front-end and back-end development tasks using MongoDB, Express.js, React, and Node.js. Tasks are usually assigned by senior developers or a project manager, and may include bug fixing, implementing new features, writing unit tests, or improving user interfaces. You'll likely participate in daily stand-up meetings and collaborate closely with other developers, designers, and sometimes even clients, gaining exposure to agile development practices. This collaborative environment helps you build both technical and teamwork skills, preparing you for more advanced roles in the future.
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Internship Junior Mern Stack Developer jobs near you
Infographic showing various Internship Junior Mern Stack Developer job openings in Ohio as of June 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution.

Sr Applications Developer MERN

Foundation Software

Strongsville, OH

$88K - $121K/yr

Full-time

Posted 3 days ago

New

Foundation Software rating

9.3

Company rating: 9.3 out of 10

Based on 7 frontline employees who took The Breakroom Quiz

15th of 241 rated software companies

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

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