Developer

Job Title: Full-Stack Software Engineer (PHP / C# / MS SQL / Zoho Ecosystem)Location: Cool Springs – Franklin, TN, United StatesEmployment Type: Full-TimeAbout the RoleWe 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 ResponsibilitiesApplication & 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 QualificationsExperience: 3–5+ years of hands-on professional 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 QualificationsExperience 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.Equal Employment OpportunitySynergetic Communication INC is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, creed, sex (including pregnancy, childbirth, and related medical conditions), sexual orientation, gender identity or expression, national origin, ancestry, age (40 and over), physical or mental disability, genetic information, military or veteran status, or any other characteristic protected by applicable federal, state, or local law, including Title VII of the Civil Rights Act, the ADEA, the ADA, GINA, and the Tennessee Human Rights Act.Reasonable Accommodations: We are committed to providing reasonable accommodations to qualified individuals with disabilities and for pregnancy-related limitations or sincerely held religious beliefs, in accordance with the ADA, the Pregnant Workers Fairness Act, and Title VII. If you need an accommodation at any stage of the application or interview process, please let us know.Employment Eligibility: All offers of employment are contingent upon verification of identity and authorization to work in the United States, as required by the Immigration Reform and Control Act. Applicants must complete Form I-9 upon hire.Background Checks: Offers of employment may be contingent upon the successful completion of a background check conducted in compliance with the Fair Credit Reporting Act (FCRA) and applicable state and local laws. Qualified applicants with arrest or conviction records will be considered in accordance with applicable law.At-Will Employment: Employment with Synergetic Communication INC is at-will, meaning either the employee or the company may end the employment relationship at any time, with or without cause or notice, subject to applicable law. Nothing in this job posting creates a contract of employment.Recruitment Fraud Notice: We will never ask for payment, bank details, or sensitive personal information (such as a Social Security number) during the application or interview process. Please report any suspicious communication claiming to represent Synergetic Communication INC.