Senior Software Developer

Senior Software Developer – Biogensys

Location:

Cleveland, OH (Onsite)

Job Type: Contract W2

Duration:
Long-Term

We are looking for an experienced Senior Software Developer with strong expertise in React.js and Node.js to design, develop, and maintain scalable web applications. The ideal candidate will take ownership of complex features, mentor junior developers, and collaborate closely with product, design, and Dev Ops teams to deliver high-quality solutions.

• Design, develop, and maintain high-performance web applications using React.js (frontend) and Node.js (backend)
• Architect scalable, reusable, and maintainable application components
• Build and consume RESTful APIs (and/or Graph
  
  QL)
• Optimize applications for performance, security, and scalability
• Lead code reviews, enforce coding standards, and ensure best practices
• Collaborate with product managers, designers, and QA teams to deliver features end-to-end
• Mentor junior and mid-level developers
• Troubleshoot and debug complex production issues
• Participate in system design discussions and technical decision-making

• 5+ years of professional software development experience
• Strong expertise in React.js, including hooks, state management (Redux, Zustand, or similar)
• Solid experience with Node.js and frameworks such as Express.js / NestJS
• Proficiency in JavaScript (ES6+) / Type Script
• Experience building RESTful APIs and backend services
• Strong understanding of HTML5, CSS3, and modern frontend tooling
• Experience with databases (Mongo
  
  DB, Postgre
  
  SQL, MySQL, or similar)
• Familiarity with authentication, authorization, and security best practices
• Experience with Git and collaborative development workflows
• Experience in logging and monitoring frameworks like Dynatrace, etc.
• Strong problem-solving and communication skills

• Experience with Next.js
• Knowledge of cloud platforms (AWS, Azure, or GCP)
• Experience with Docker and CI/CD pipelines
• Familiarity with microservices architecture
• Experience with testing frameworks (Jest, Cypress, Mocha, etc.)

• Location:
  
  Cleveland, OH (Onsite)
• Job Type: Contract W2
• Duration:
  Long-Term

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