Senior Software Developer

ninthwave· Technology
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📍 New York, New York, United StatesFull Time

About this role

 

Senior Software Developer Senior Java Developer with Reactive experience

Overview of the Role Ninth Wave is seeking an experienced engineer to build, improve, and maintain application code under the direction of a senior team lead or lead engineer to meet business and technical requirements. The engineer must demonstrate the ability to efficiently build application code from the datastore layer all the way through to the API. The engineer will also maintain and patch systems, software, and applications to eliminate bug fixes, security vulnerabilities and maintain technology currency of systems and applications.
In addition to traditional development, the engineer will be expected to leverage modern AI-assisted development tools and plugins to analyze existing codebases, improve quality metrics, identify vulnerabilities, and refactor or optimize existing implementations. This includes using AI-powered tools to assist with code analysis, testing improvements, performance tuning, and accelerating the development lifecycle while maintaining strong engineering standards.
Other responsibilities include documenting design and engineering standards; developing to performance metrics and operational guidelines for consistent and stable design; and building and implementing operational processes.
Must have prior work experience with Docker and reactive implementations of Java. Experience with Vert.x is a strong plus.   Vision for this role: The company is looking to continue to expand functionality, enhance orchestration efficiency for scaling out and back in, and improve the overall high availability of our software products. The person in this role will help lead the expansion, modernization, update, and maintenance of our software services, including leveraging AI-assisted development practices to continuously improve the quality and maintainability of the platform.
This role is based in our New York City office and follows the Company's current hybrid work policy.   Responsibilities
  • Design, develop, and test back-end software
  • Maintain, analyze, and refactor existing codebases to improve performance, security, and maintainability
  • Use AI-assisted development tools or plugins to help analyze code, identify improvements, and accelerate development and refactoring efforts
  • Maintain and update software documentation
  • Participate in a distributed development team and collaborate on architecture and engineering best practices


Qualifications
  • Experience with reactive implementations of Java
  • Experience with Docker
  • Proficiency in core Java programming language
  • Experience with AWS, Azure, or GCP cloud
  • Proficiency building APIs using Java (REST/JSON)
  • SQL or No-SQL experience
  • Experience using AI-assisted development tools or plugins for code analysis, refactoring, testing, or development acceleration
  • Proficiency with Vert.x is a strong plus
  • Financial services or Fintech domain experience preferred
  • Bachelor’s Degree in Computer Science, Engineering, or the equivalent work experience


Company Overview

Ninth Wave is a permission-based SaaS platform that delivers secure data connectivity to financial institutions, offering configurable controls, visibility, and insights into all connections between aggregators, third-party apps, and internal applications. Ninth Wave empowers financial institutions, enabling secure data exchange in a holistic and scalable open finance ecosystem.


Location: New York, NY

Frequently Asked Questions

Is the salary disclosed for the Senior Software Developer position at ninthwave?
The salary for this Senior Software Developer role at ninthwave is not publicly listed. Click "Apply Now" to learn more about the compensation package on their official careers page.
Where is the Senior Software Developer position at ninthwave located?
This Senior Software Developer role at ninthwave is based in New York, New York, United States. The position is listed as on-site or hybrid. Check the full job description or apply directly to confirm the work arrangement.
Is the Senior Software Developer role at ninthwave full-time or part-time?
This is listed as a Full Time position. It is posted as a Senior Software Developer role in the Technology department at ninthwave.
Which team or department does the Senior Software Developer at ninthwave belong to?
This Senior Software Developer position is part of the Technology department at ninthwave. See the full job description for more information about the team structure and responsibilities.
How do I apply for the Senior Software Developer position at ninthwave?
Click the "Apply Now" button on this page. You will be redirected to ninthwave's official application portal hosted on bamboohr where you can submit your application directly.
When was the Senior Software Developer job at ninthwave posted?
This Senior Software Developer position at ninthwave was posted on Mar 6, 2026. Apply as soon as possible — early applications are often reviewed first.
Senior Software Developer
ninthwave
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