> Markdown version of [/jobs/ext/4233182-full-stack-developer](https://www.wearedevelopers.com/jobs/ext/4233182-full-stack-developer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Full Stack Developer - **Company:** Synergy Laboratories, Inc. - **Location:** Philadelphia, PA, United States - **Salary:** $100,000.0 - $135,000.0 - **Contract:** Permanent contract - **Skills:** HTML, JavaScript (Programming Language), PHP (Programming Language), Application Programming Interfaces (APIs), Agile Methodology, Server Applications, Application Integration Architecture, Business Logic, Application Performance Management, Automation of Tests, Cascading Style Sheets (CSS), Cloud Computing, Code Review, Databases, Continuous Integration, Data Integration, Database Design, Software Debugging, Identity and Access Management, Python (Programming Language), Node.Js, NoSQL, Responsive Web Design, Web Application Security, Software Engineering, Web Applications, Web Application Frameworks, ReactJS, Software Security, Git, Information Technology, Front End Software Development, Restful APIs, Web Api - **Published:** October 20, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=5a7972f2cef03c70 ## About the Role * Experience with front-end technologies such as HTML, CSS, JavaScript, and React. * Knowledge of back-end technologies such as Node.js, Python, PHP, or similar frameworks. * Familiarity with REST APIs, database design, and data integration. * Experience using Git and collaborative development tools. * Understanding of responsive design, web security, and application performance. * Strong analytical, communication, and problem-solving skills. * Ability to work independently and collaborate within a development team., * Degree in Computer Science, Software Engineering, or a related field, or equivalent practical experience. * Experience developing and deploying production web applications. * Familiarity with cloud platforms, CI/CD pipelines, and automated testing. * Understanding of Agile development practices and project management workflows. * Experience working on client-focused software projects. ## Description Synergy Labs is seeking a Full Stack Developer to help design, build, test, and maintain modern web applications. The ideal candidate has experience working across front-end and back-end technologies, integrating APIs, managing databases, and delivering reliable software that meets business and user needs., * Develop responsive, user-friendly web applications and interfaces. * Build and maintain server-side applications, business logic, and APIs. * Create reusable front-end components using modern JavaScript frameworks. * Design, query, and maintain relational or NoSQL databases. * Integrate third-party services, authentication systems, and external APIs. * Troubleshoot technical issues and improve application performance. * Write clean, maintainable, and well-documented code. * Participate in code reviews, testing, debugging, and deployment activities. * Collaborate with cross-functional teams to plan and deliver software features. * Maintain application security, reliability, and scalability.