Vertex Solutions Inc.
Lead Developer - Mean/Mern Stack/ AI
Skills
2 months ago
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Important information
Contract type:
Freelance / Contract
Location:
Princeton, NJ, USA
Work mode:
Onsite
Published on:
1 September 2026
What they need
Lead Developer – Mean/Mern stack/ AI
Contract
Hybrid, 3 days a week in Princeton, NJ
In this role you will:
Conduct Code reviews
Implement business logic from business requirements and design specification
Development of key systems using new open-source technology stack
Focus on quality code, automation and good practices
Contribute to and be part of the Development Center of Excellence in driving up the quality and value of software development and delivery across the enterprise
Proactively contribute to our system architecture and stack design, toolset, agile and DevOps approach
Collaborate closely with Agile Dev team members, Product Owners and business users to deliver business value
Develop and test software solutions and review code quality
Automate build, test (unit, functional and performance) and deployment of the code part of the CI/CD pipeline by working closely with Platform Engineer
Responsibilities:
Perform code reviews
Lead Applications Developer owns the design of the application and is responsible for the implementation with the development team and ensure the design is properly incorporated into the deliverables
Act as technical design authority collaborating with the solution architect to implement the solution
Provide application design feedback to the project team on an ongoing basis
Review detailed design, code deliverables, and ensure quality
Assist the Enterprise architects in defining, implementing and overseeing technical standards, policies and tools
Provide technical oversight to development teams. Work with technical staff to understand problems with software and develop specifications to resolve them.
Proactively contribute to our system architecture and stack design, toolset, agile and DevOps approach
Collaborate closely with Dev team members, Product Owners and business users to deliver business value
Automate build, test (unit, functional, security vulnerability and performance) and deployment of the code part of the CI/CD pipeline by working closely with System Engineer
Mentor developers on both technical topics and with Agile/DevOps adoption
Estimate Development efforts for new initiatives; help define and build Development teams by working with stakeholders
Qualifications:
A degree in Computer Science or related field or have relevant experience
5+ years of development experience in applications/product development using MEAN/MERN Stack
Must have experience or working knowledge of:
JavaScript, TypeScript, JSON, XML, HTML, SASS/LESS/CSS
Web platforms such as NODE, Angular, React, MEAN/MERN Stack
Microservices, Micro frontend Architecture, API Management (Apigee)
REST API first design and Open API Specification, specifically using Swagger
Agile – TDD (Junit, Mockito, Jasmine, Karma) BDD (Cucumber) Pair Programming, Scrum/Kanban
DevOps – GitHub, Git Actions, Azure DevOps, CI/CD pipelines, Selenium, Artifactory, Docker/Kubernetes, Datadog/Splunk, JMeter, Whitehat
Databases: MongoDB, PostgreSQL, SQL Server
Cloud – Azure, Private Cloud
OS – Linux, VM Architectures
Some AI experience
Will be a plus if experience includes:
Have developed backend services using NestJS
Vertex Solutions Inc. is an Equal Opportunity Employer and does not discriminate on the basis of race, color, creed, national origin, ancestry, religion, age, citizenship, sex, marital or veteran status, disability or handicap, sexual orientation or any other basis prohibited by applicable law.
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