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Senior Principal Fullstack Engineer

Job in New York, New York County, New York, 10261, USA
Listing for: Lead Allies Inc
Full Time position
Listed on 2026-01-12
Job specializations:
  • Software Development
    Software Engineer, Full Stack Developer, Backend Developer, Cloud Engineer - Software
Salary/Wage Range or Industry Benchmark: 100000 - 125000 USD Yearly USD 100000.00 125000.00 YEAR
Job Description & How to Apply Below
Position: Senior · Staff · Principal Fullstack Engineer
Location: New York

Senior / Staff / Principal Fullstack Engineer

Location:

Onsite New York (5 days onsite AND hybrid options)

We have multiple startups interested in talent. Here is a generic summary. Instead of a perfect job description, we present talented individuals to companies and allow them to share how that talent fits in the organization.

Key Responsibilities:

  • Developing and maintaining both front-end and back-end components:
    This includes writing code in various programming languages, designing user interfaces, and creating server-side logic.

  • Collaborating with cross-functional teams:
    Working with product managers, designers, and other engineers to define requirements, design features, and ship new products.

  • Ensuring the technical feasibility of UI/UX designs:
    Understanding how to implement designs effectively and ensure they perform well.

  • Writing clean, maintainable, and efficient code:
    Following coding standards and best practices to create code that is easy to understand, debug, and modify.

  • Optimizing applications for speed and scalability:
    Tuning code and infrastructure to ensure the application can handle a large volume of traffic and perform well.

  • Troubleshooting, debugging, and upgrading existing software:
    Identifying and resolving issues in existing software and ensuring it is kept up-to-date with the latest technologies.

  • Implementing secure coding practices:
    Protecting data and ensuring the application is resistant to vulnerabilities.

  • Participating in code reviews:
    Providing constructive feedback on the code of other developers and ensuring code quality.

  • Creating and maintaining software documentation:
    Documenting the application's architecture, code, and usage for future reference.

  • Managing hosting environments:
    Setting up and maintaining the infrastructure on which the application runs, including database administration and scaling.

Required Skills:

  • Proficiency in front-end technologies: HTML, CSS, JavaScript, and popular frameworks like React, Angular, or Vue.js.

  • Proficiency in back-end technologies: Server-side languages like Node.js, Python, Ruby, or Java, and database technologies like MySQL, Postgre

    SQL, MongoDB, or Redis.

  • Understanding of RESTful APIs and web services: Knowledge of how to design and implement APIs for communication between different systems.

  • Experience with version control systems: Git.

  • Experience with CI/CD pipelines and automated testing frameworks: Understanding how to automate the software development lifecycle.

  • Problem-solving and critical thinking skills: The ability to analyze complex problems and develop effective solutions.

  • Communication and collaboration skills: The ability to effectively communicate with cross-functional teams and work together to achieve shared goals.

Compensation:
Market range and can include equity – details can be provided after the specific client is determined.

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Position Requirements
10+ Years work experience
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