Senior Software Engineer

We are seeking an experienced Senior Software Engineer with a strong understanding of software design patterns and the ability to apply them effectively across complex systems. In this role, you will lead key initiatives in cloud infrastructure, automation, and security—using solid engineering principles and well‑chosen patterns to enhance reliability, scalability, and maintainability.

You’ll collaborate closely with product and engineering teams to refine the development lifecycle, strengthen deployment pipelines, and enhance overall resilience and security of the platform. This is a hybrid‑remote position, expected to be on‑site in the New York office two days per week, with the remaining three days remote.

• Design and Implement Core Systems: Build scalable, maintainable services and components, applying appropriate design patterns to ensure clear structure and long‑term reliability.
• Enhance Cloud Infrastructure: Develop and evolve AWS‑based systems with strong architectural practices and high operational quality.
• Automate Security and Quality: Integrate automated testing, security checks, and validation tools directly into the engineering pipeline.
• Collaborate Across the SDLC: Work closely with product and engineering teams to shape designs, refine implementation plans, and ensure smooth delivery.
• Mentor Engineers: Provide guidance on architecture, design decisions, and engineering best practices.
• Drive Technical Evolution: Research and introduce new tools, frameworks, and approaches—including AI/ML or LLM‑driven methods—that enhance overall engineering efficiency.

• 10+ years of professional software engineering experience
  , with deep expertise in Java, Spring
  , and applying design patterns (GoF, architectural, integration) to build clean, scalable systems.
• Strong ability to evaluate, select, and apply design patterns to solve complex engineering problems with clarity and maintainability.
• Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field.
• Solid experience building and maintaining distributed, cloud‑based systems
  , ideally on AWS.
• Strong understanding of microservices architecture
  , service boundaries, API design, and system modularity.
• Hands‑on experience with CI/CD automation to support reliable software delivery (Jenkins, Git Hub Actions, Bitbucket Pipelines).
• Proficiency with containerization (Docker, Kubernetes) for running and scaling services.
• Solid understanding of security fundamentals
  , including IAM, encryption, and secure service‑to‑service communication.
• Demonstrated ability to mentor engineers
  , lead code reviews, and guide architectural decisions.
• Experience with incident response
  , debugging distributed systems, and performing root‑cause analysis.
• Familiarity with PHP/Laravel, front‑end technologies, and SQL/No
  
  SQL databases is a plus.
• Interest or hands‑on experience applying AI/ML or LLM‑driven techniques within engineering workflows. Professional certifications (AWS, Java, Architecture) are a strong plus.

Gappify is an equal‑opportunity employer and strongly encourages people of all backgrounds to apply for positions for which they are qualified. We proudly welcome unique perspectives and do not tolerate any form of discrimination.

Gappify offers full‑time employees 401(k) participation, unlimited Paid Time Off (subject to company policy), and ensures employee premiums are covered in full for medical care, dental, and vision.

Gappify, founded in 2016, is a cloud‑based software provider of accrual automation solutions for mid‑market and enterprise accounting teams. The company is headquartered in New York City with offices in Berkeley, CA, Washington, D.C., and Manila, Philippines. Our team consists of accountants and CPAs from Big Four public accounting firms, software innovators, and strategic advisors from some of the largest and most recognized technology companies in the world.

Location: New York, NY (hybrid) |
Final date to receive applications: December 31, 2025