Job Description

Job Description

MastarRec is hiring a Full Stack Engineer – FinTech to support innovative financial technology platforms operating across the United States, building modern web applications and scalable cloud-based platforms.

You will be responsible for developing and maintaining  server-side logic ,  RESTful APIs , and  end-to-end solutions using  Node.js ,  React , and modern  JavaScript/TypeScript frameworks.

This is an opportunity to contribute to  high-impact digital products in sectors such as  FinTech ,  Healthcare Technology , and  SaaS , within a fast-moving, innovation-driven environment that values  clean code ,  collaboration , and  technical excellence .

Experience

3–5+ years of experience in  software development , with a strong focus on  full-stack engineering .

Job Responsibilities

• Collaborate with  frontend engineers to integrate seamless, performant user interfaces using  React.js or similar libraries.
  
• Write  clean, maintainable, and well-tested code aligned with modern software engineering best practices.
  
• Work cross-functionally with  Product ,  Design , and  QA teams to deliver high-quality features.
  
• Optimize system performance, troubleshoot production issues, and participate in  code reviews .
  
• Design, build, and maintain  scalable server-side applications and  RESTful APIs using  Node.js ,  Express , or similar frameworks.
  
• Contribute to  architecture discussions , and refactor or modernize legacy systems when necessary.
  

Requirements

Required Skills

• Strong hands-on experience with  Node.js ,  Express , and  API development .
  
• Proficiency in  JavaScript and  TypeScript .
  
• Solid understanding of  SQL and  NoSQL databases (e.g.,  PostgreSQL ,  MongoDB ).
  
• Experience with  CI/CD pipelines and  containerization (Docker).
  
• Familiarity with  RESTful or  GraphQL API design and integration.
  
• Proficient with  version control systems such as  Git and  GitHub .
  

Desired Skills

• Frontend development experience using  React.js ,  Next.js , or similar frameworks.
  
• Experience deploying and scaling applications in  cloud environments (AWS, Azure, GCP).
  
• Knowledge of  microservices architecture and distributed systems.
  
• Familiarity with  Agile development methodologies and  Test-Driven Development (TDD) .
  
• Prior experience in  FinTech ,  Healthcare , or  SaaS product development is a plus.
  

Benefits

Job Benefits

• Competitive salary with  performance bonuses
  
• Private health insurance and  wellness support
  
• Learning & development allowance for certifications and upskilling
  
• Potential  equity / stock options (depending on client)
  
• Collaborative, growth-oriented  engineering culture
  
• Access to  modern tech stack and cutting-edge tools
  

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