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OSA Outsourcing Advantage
Development 45d ago

Senior Full Stack Software Developer

OSA Outsourcing Advantage
PhilippinesPhilippines
Contract
Not Disclosed
Senior-Level

Job Description

Key Skills Required

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React57mFree Trial ✨
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Node.js40mFree Trial ✨
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Full StackTypeScriptPostgreSQL

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Key Responsibilities

  • Take full ownership of an existing bookkeeping software platform
  • Analyze the current system architecture, codebase, and business logic
  • Identify technical, functional, and financial data integrity issues
  • Design and implement scalable solutions to improve system performance, reliability, and usability
  • Independently prioritize development tasks and drive projects with minimal supervision
  • Collaborate with stakeholders to understand business requirements and translate them into technical solutions
  • Ensure accounting workflows, financial calculations, reports, and outputs are accurate and reliable
  • Debug, refactor, optimize, and enhance the existing codebase
  • Create and maintain technical documentation when necessary
  • Conduct comprehensive testing and validation to ensure software quality and financial data accuracy
  • Deliver the platform to a production-ready state

Requirements

  • 5+ years of professional experience in full stack software development
  • Proven experience owning software projects from planning through deployment
  • Strong understanding of accounting principles, bookkeeping workflows, and financial reporting
  • Experience inheriting, reviewing, and improving existing software applications
  • Excellent troubleshooting, analytical, and problem-solving skills
  • Ability to work independently with minimal supervision
  • Strong communication and project management skills

Preferred Qualifications & Ideal Candidate Profile

The ideal candidate will have:

  • Experience developing or maintaining accounting, bookkeeping, ERP, or financial software platforms
  • Experience reviewing and improving AI-generated codebases
  • Experience performing software audits, financial reporting, data validation, and reconciliation processes
  • Ability to establish technical direction and make sound architectural decisions
  • Experience working with and optimizing existing or legacy software applications
  • A portfolio, GitHub repository, or examples of completed software projects is an advantage
  • The ability to quickly understand and work within an unfamiliar codebase
  • The ability to thrive in situations where requirements or documentation are incomplete
  • A proactive mindset with the initiative to take full ownership of projects with minimal supervision
  • A strong understanding of both software engineering and accounting principles
  • The ability to identify expected system behavior, implement effective solutions, and validate financial outputs for accuracy
  • A proven track record of successfully delivering complex software projects from development through production
  • Excellent analytical, troubleshooting, and problem-solving skills with strong attention to detail
  • A commitment to building reliable, scalable, and production-ready software solutions
  • Availability to work with significant overlap during Eastern Standard Time (EST) business hours

Technical Requirements

Strong experience with:

  • TypeScript
  • React
  • Vite
  • Tailwind CSS
  • Node.js
  • Express.js
  • PostgreSQL
  • Drizzle ORM

Benefits

  • Competitive salary
  • Opportunity to work on an innovative accounting software platform
  • Supportive and collaborative work environment
  • Weekly payments
  • Weekends off
  • Growth opportunities

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OSA Outsourcing Advantage

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OSA Outsourcing Advantage is a boutique business process outsourcing (BPO) firm headquartered in Santiago, specializing in delivering exceptional back-office and customer service solutions to US-based businesses. Operating as a strategic partner, the company provides both office-based and remote work arrangements to facilitate high-quality, cost-effective staffing solutions. Their comprehensive service portfolio includes administrative support, customer service, medical billing, appointment setting, IT engineering, and specialized creative/technical roles like graphic design and video editing. By leveraging a collaborative, global team, OSA empowers US-based clients—particularly those in the hospital and health care sectors—to optimize their operational workflows, reduce overhead, and scale their human resource pipelines with professional, C1-level English proficient talent.

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