Full Stack Software Engineer; MERN

As part of the Reailize and B-Yond group, you’ll be joining a team that is redefining how technology powers businesses worldwide. We combine global expertise in AI, automation, and network transformation with a culture that values innovation, creativity, and impact. Here, you’ll have the opportunity to work on groundbreaking projects, grow your skills, and be part of a group that’s shaping the future of technology.

We are looking for a Full Stack Software Engineer to join our Dev Ops team to primarily design, develop and test applications for internal software systems. You will work with the customer’s industry leading automation and technology Subject Matter Experts for the 5G core network to automate deployment and upgrades of 5G Core Network Functions. You will be working with state-of-the-art technology in containerized applications, Azure, CI/CD, workflow engines and software.

These systems automate the process of capturing customer’s mobility services design, and network design to aid in the planning, design, deployment, configuration, and management of the network functions that are part of each service definition.

This opportunity requires onsite presence twice a week out of any of these locations :

• New Jersey:
  Middletown, Bedminster
• Washington:
  Bothell, Redmond

• Design, develop, and maintain full-stack web applications using the MERN stack (Mongo
  
  DB, Express.js, React, Node.js)
• Build and maintain scalable, secure, high-performance RESTful APIs and backend services.
• Develop responsive, reusable UI components in React, emphasizing usability and maintainability.
• Design and optimize Mongo
  
  DB data models, indexes, and queries to support application performance and scalability.
• Collaborate with product managers, designers, and engineers to translate business requirements into well-scoped technical solutions.
• Ensure high-quality deliverables through testing, code reviews, performance tuning, and security best practices.
• Integrate and maintain third-party APIs and internal services.
• Troubleshoot and resolve issues across the stack (frontend, backend, database, CI/CD).
• Contribute to technical documentation, knowledge sharing, and continuous improvement.
• Participate in Agile ceremonies (planning, standups, retrospectives) and deliver iteratively.

• Proven experience building production web applications using the MERN stack (Mongo
  
  DB, Express.js, React, Node.js)
• Solid experience designing and implementing RESTful APIs using Node.js + Express.js.
• Strong React skills including hooks, component architecture, and practical state management patterns.
• Working knowledge of Type Script (able to read/write TS in a React/Node codebase).
• Experience integrating backend services with Mongo
  
  DB (schemas, query optimization, indexing).
• Hands-on experience with CI/CD pipelines, including Azure Dev Ops (ADO) YAML pipelines for React/Node services.
• Strong troubleshooting and debugging skills; able to quickly read and improve existing code.