Job Title: Full-Stack Software Engineer (PHP / C# / MS SQL / Zoho Ecosystem)

Location: Remote / Hybrid

Employment Type: Full-Time

About the Role

We are seeking an experienced Full-Stack Software Engineer to build, modernize, and maintain scalable internal business systems, custom web applications, and enterprise integrations. In this role, you will bridge our core backend services (C# / .NET and PHP), relational data architecture (Microsoft SQL Server), and the Zoho enterprise application ecosystem.

You will design reliable custom APIs, automate end-to-end workflows, optimize complex database queries, and ensure smooth data exchange across critical operational platforms.

Key Responsibilities

- Application & API Development: Design, build, and maintain production-grade services and backend modules using PHP and C# (.NET Core / .NET Framework).
- Zoho Ecosystem Engineering: Build custom Deluge scripts, standalone functions, and RESTful webhooks to integrate and automate workflows across Zoho CRM, Zoho Recruit, Zoho Creator, and third-party platforms.
- Database Architecture & Optimization: Architect, optimize, and maintain Microsoft SQL Server databases; write high-performance stored procedures, views, indexing strategies, and complex queries.
- Integrations & Middleware: Develop robust REST APIs, webhooks, and ETL data pipelines to facilitate seamless bidirectional synchronization between proprietary tools and third-party SaaS platforms.
- Code Quality & Reliability: Write clean, modular,



and well-documented code; execute automated unit/integration testing; conduct peer code reviews to maintain high maintainability and security standards.
- System Troubleshooting & Escalations: Investigate and resolve production bugs, API latency bottlenecks, data sync conflicts, and edge-case exceptions.

Required Qualifications

- Experience: 3–5+ years of hands-on skilled software development experience in production environments.
- Core Languages: Demonstrated proficiency in PHP (modern OOP PHP 8.x) and C# / .NET (ASP.NET Core, Web APIs, or .NET Framework).
- Database Expertise: Strong practical background with Microsoft SQL Server (T-SQL), including schema design, query tuning, transaction management, and indexing.
- API Development: Proven experience building and consuming secure RESTful APIs, handling token-based authentication (OAuth 2.0), webhooks, and rate-limiting protocols.
- Zoho Platform Integration: Demonstrated experience extending the Zoho platform via Deluge, Zoho REST APIs, custom functions, or Zoho Flow.
- Tools & Practices: Solid command of Git version control, CI/CD pipelines, and secure coding practices.

Preferred Qualifications

- Experience with JavaScript/TypeScript and modern frontend frameworks (e.g., React, Vue.js).
- Hands-on experience with cloud infrastructure (Azure, AWS) and containerization (Docker).
- Familiarity with queueing systems, asynchronous task runners (e.g., RabbitMQ, Celery, or Redis), and high-concurrency event processing.
- Background in business process automation within staffing, sales operations, or CRM/ATS platforms.

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