Sr Fullstack Optimizely Developer

About us

We are a global outsourcing company that partners with top-tier clients worldwide to deliver high-quality software solutions. In this role, you will be working with a US-based digital agency, engaging in various projects that involve both backend and frontend development using Optimizely and modern technology stacks.

As a Senior Fullstack Optimizely Developer, you will be responsible for designing, developing, and maintaining comprehensive web applications that utilize both backend and frontend technologies. You will leverage Optimizely to create dynamic and scalable solutions, ensuring high performance and excellent user experiences across multiple projects.

Your responsibilities

• Design, develop, and maintain backend and frontend components for Optimizely-driven applications.
• Build scalable, secure, and efficient APIs using .NET Core/.NET Framework (C#) and integrate them with React-based frontends.
• Implement A/B testing and personalization features using Optimizelys platform.
• Optimize performance for both backend and frontend to ensure speed, scalability, and reliability.
• Collaborate with designers, product managers, and other developers to deliver high-quality, user-centric solutions.
• Troubleshoot and debug issues across the entire stack, from backend services to frontend interfaces.
• Stay up to date with modern web technologies, .NET development practices, and advancements in Optimizely tools. 

Requirements

• 5+ years of proven experience as a Full Stack Developer with a focus on .NET and React.
• Hands-on experience with Optimizely/Episerver (content management and experimentation).
• Proficiency in HTML5, CSS3, and CSS preprocessors (e.g., SASS, LESS).
• Strong knowledge of RESTful APIs, JavaScript, and JSON.
• Experience with relational databases and ORM frameworks, including SQL Server and PostgreSQL with Entity Framework.
• Familiarity with version control using Git and modern development workflows.
• Excellent communication skills in English (both written and verbal).
• Strong problem-solving skills and attention to detail.
• Ability to work independently and as part of a distributed team.

The FLS Difference:

• Our modern stack projects are the right mix of exciting and challenging.
• Gain access to our diverse range of training programs, courses, and certifications.
• Choose your work style-remote, on-site, or hybrid in one of our stunning offices. We offer the freedom of flexible working hours.
• Enhance your language skills with our corporate English classes.
• Work from anywhere and explore the world with our Workation program.
• Be part of a supportive, innovative culture that values your growth and success.