Lead Software Engineer Node.js / React

Compunnel Inc.; Florham Park (NJ); On-site; USD 120,000 - 180,000; Full time

Job summary

Compunnel, Inc. is seeking a senior software engineer to build resilient frontend systems with React, while shaping scalable backend APIs and services. You will collaborate across product and engineering teams to deliver high-performance solutions.

The role emphasizes design for reliability, maintainability, and continuous improvement, with emphasis on CI/CD, containerization, and observability practices.

Qualifications

• 5+ years of professional software development experience.
• Experience developing modern frontend applications using React.
• Design highly available, scalable, high-performance applications.
• Strong understanding of backend development, APIs, distributed systems, and modern architecture.
• Experience with SQL and NoSQL database technologies.
• Experience with automated testing and Test-Driven Development (TDD).
• Strong understanding of software engineering principles, code quality, and maintainable architecture.
• Experience with CI/CD, automated build/deploy processes, and DevOps practices.
• Hands-on experience with Docker and containerization.
• Experience with Jenkins or comparable CI/CD platforms.

Responsibilities

• Develop responsive frontend applications using React.
• Contribute to architecture and development of new applications from ground up.
• Design solutions for high availability, scalability, reliability, and performance.
• Develop and integrate APIs using GraphQL, REST, and microservices.
• Analyze and optimize performance across application and database layers.
• Work with SQL/NoSQL databases to support requirements.
• Build and maintain automated CI/CD pipelines.
• Utilize Docker in development and deployment workflows.
• Implement monitoring, logging, and operational reporting.

Skills

Frontend development

Software architecture

CI/CD practices

DevOps collaboration

Troubleshooting

Performance optimization

Tools

Docker

Jenkins

GraphQL

REST

SQL

NoSQL

CI/CD platforms

Job description

Key Responsibilities

• Develop responsive and maintainable frontend applications using React.
• Contribute to the architecture and development of new applications and services from the ground up.
• Design solutions focused on high availability, scalability, reliability, and performance.
• Develop and integrate APIs and services using GraphQL, REST, and microservices-based architectures.
• Perform application and database performance analysis, troubleshooting, and optimization.
• Work with SQL and NoSQL/distributed database technologies to support application requirements.
• Build, enhance, and maintain automated CI/CD pipelines supporting reliable software delivery.
• Utilize Docker and other containerization technologies within development and deployment workflows.
• Design and maintain application monitoring, alerting, logging, and operational reporting capabilities.
• Support production applications by troubleshooting issues, identifying root causes, and implementing long-term solutions.
• Develop automated tests and promote Test-Driven Development (TDD) and modern engineering practices.
• Participate in code reviews and help establish standards for code quality, maintainability, testing, and application architecture.
• Partner with product, engineering, QA, and other technical stakeholders throughout the software development lifecycle.
• Provide technical guidance and mentorship to other engineers and help drive engineering decisions across the team.
• Communicate development progress, technical risks, dependencies, and delivery status to project and engineering leadership.
• Evaluate new technologies and engineering practices that can improve development velocity, reliability, and product quality.

Required Qualifications

• 5+ years of professional software development experience.
• Experience developing modern frontend applications using React.
• Demonstrated experience designing and developing highly available, scalable, and high-performance applications.
• Strong understanding of backend development, APIs, distributed systems, and modern application architecture.
• Experience with SQL and NoSQL database technologies.
• Experience with automated testing and Test-Driven Development (TDD) practices.
• Strong understanding of software engineering principles, design patterns, code quality, and maintainable application architecture.
• Experience with CI/CD, automated build and deployment processes, and DevOps practices.
• Hands-on experience with Docker or comparable containerization technologies.
• Experience with Jenkins or comparable CI/CD and build platforms.
• Strong troubleshooting and performance optimization skills across application and database layers.
• Ability to operate effectively in a fast-paced and collaborative product engineering environment.

Preferred Qualifications

• Professional experience with an additional programming language such as Java, Python, Go, or C#.
• Experience with GraphQL and modern API design.
• Experience working with microservices and distributed architectures.
• Experience with cloud-native application development and deployment.
• Experience building or supporting observability solutions, including monitoring, logging, alerting, and application performance management.
• DevOps, platform engineering, or build engineering experience.
• Experience establishing architecture and engineering practices for newly developed applications.
• Previous experience providing technical leadership or mentoring software engineers.