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Senior Full-Stack Developer

US - Remote

AIO Logic is seeking a Senior Full-Stack Developer to design, build, and scale its AXIS platform during a critical phase of growth. This is a hands-on engineering role for a developer who thrives in building high-quality, scalable software in a fast-growing, regulated fintech environment. The Senior Full-Stack Developer will be responsible for delivering end-to-end solutions across both front-end (React) and back-end (Java/Spring Boot), translating complex lending and financial requirements into reliable, performant systems. This individual will play a key role in shaping architecture, improving system performance, and mentoring other engineers, while partnering closely with Product, UX, and Operations teams.

Responsibilities

  • Architect, design, build, and maintain front-end (React) and back-end (Java/Spring Boot) components of the AXIS platform.
  • Develop new features across UI/UX, APIs, business logic, and system integrations (internal and external).
  • Translate business and financial domain requirements into scalable technical solutions.
  • Implement complex financial logic and build dashboards and reporting tools.
  • Design and evolve system architecture to support growth, scalability, and maintainability.
  • Optimize performance across front-end and back-end systems.
  • Ensure systems meet fintech regulatory standards and build resilient, fault-tolerant systems.
  • Partner cross-functionally to deliver features end-to-end and improve development processes.
  • Mentor junior and mid-level developers and promote high standards of code quality.
  • Maintain and improve CI/CD pipelines, testing frameworks, and cloud infrastructure environments.

Required Skills

  • 5+ years of professional software engineering experience with substantial full-stack development.
  • Strong hands-on experience with React and Java / Spring Boot.
  • Strong proficiency in React, including hooks, state management, and component architecture.
  • Strong knowledge of Java, dependency injection, and REST API design.
  • Understanding of microservices and/or monolithic architectures.
  • Experience with Git, CI/CD pipelines, containerization (Docker), and orchestration (Kubernetes preferred).
  • Knowledge of application security best practices.
  • Strong communication and collaboration skills.
  • Experience mentoring junior and mid-level developers.

Preferred Skills

  • Experience building software for financial services, commercial lending, or portfolio management.
  • Familiarity with financial calculations and conditional payment logic.
  • Experience building dashboards, reporting tools, and business intelligence solutions.
  • Experience working in regulated environments with data privacy and encryption requirements.
  • Proven ability to scale applications and optimize performance.
  • Experience deploying applications in cloud environments (AWS, Azure, or similar) and familiarity with infrastructure as code (Terraform or similar).

What We Offer

  • Competitive salary
  • Health Benefits (Medical, Dental, and Vision)
  • The opportunity to shape architecture for a fast-scaling fintech SaaS platform
  • Direct mentorship influence over a growing engineering team
  • Professional development opportunities
  • Collaborative team environment with high performers

Equal Employment Opportunity & Compliance

AIO Logic, Inc. is an equal opportunity employer. We are committed to building an inclusive workplace and do not discriminate on the basis of race, color, religion, sex, sexual orientation, gender identity or expression, national origin, age, disability, veteran status, genetic information, or any other characteristic protected by applicable federal, state, or local law.

AIO Logic provides reasonable accommodations to qualified individuals with disabilities and to individuals with sincerely held religious beliefs, in accordance with applicable law.

This position is open to candidates authorized to work in the United States. AIO Logic does not currently offer visa sponsorship.

Compensation Disclosure

The salary range for this role is commensurate with experience, skills, and location, as detailed below. Salary ranges are provided in accordance with applicable state and local pay transparency laws.

Salary Range

$110,000 - $150,000 USD

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The application deadline for this role is September 28, 2026

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