Optimizely Backend Engineer — Remote, Flexible Hours

First Line Software; United States; Hybrid; USD 90,000 - 140,000; Full time

Job summary

First Line Software offers projects across healthcare, data engineering, and e-commerce. We seek an experienced backend engineer to design, develop, and optimize robust solutions using Optimizely CMS and Commerce, with strong .NET Core/C# and REST API skills. You will mentor juniors and contribute to architectural decisions.

You can work remote, on-site, or hybrid in our global offices, with training opportunities and exposure to cutting-edge tech. Apply to join a transparent, supportive team.

Qualifications

• 5+ years of professional back-end development experience.
• Solid expertise in Optimizely CMS and Commerce (minimum 2 years hands-on).
• Strong knowledge of .NET Core, C#, and modern development frameworks.
• Experience with RESTful API design and integration.
• Familiarity with relational databases (e.g., SQL Server) and ORM tools.
• Hands-on experience with version control (Git), CI/CD pipelines, and Agile methodologies.
• Excellent problem-solving skills and attention to detail.
• Optimizely CMS and Commerce.
• Headless CMS implementations.
• Nice-to-have: Optimizely Certification(s); Cloud platforms (Azure or AWS); Testing frameworks and automated testing practices.

Responsibilities

• Design, develop, and maintain robust, scalable backend solutions using Optimizely CMS and Commerce platforms.
• Collaborate with frontend developers, architects, designers, and stakeholders to deliver seamless digital experiences.
• Develop integrations with third-party systems (APIs, payment gateways, CRM, etc.).
• Ensure code quality through code reviews, unit testing, and best engineering practices.
• Optimize application performance, scalability, and security.
• Participate in architectural discussions and technical decision-making processes.
• Provide technical mentorship to junior developers and actively contribute to knowledge sharing.
• Stay up-to-date with the latest Optimizely features, tools, and industry trends.

Skills

Back-end development

Optimizely CMS

Optimizely Commerce

.NET Core

C#

RESTful APIs

SQL Server

ORM tools

Git

CI/CD

Agile methodologies

Headless CMS

Problem solving

Cloud platforms (Azure/AWS)

Tools

Optimizely CMS

Optimizely Commerce

.NET Core

C#

SQL Server

ORM tools

Git

CI/CD

Job description

First Line Software offers projects across healthcare, data engineering, and e-commerce. We seek an experienced backend engineer to design, develop, and optimize robust solutions using Optimizely CMS and Commerce, with strong .NET Core/C# and REST API skills. You will mentor juniors and contribute to architectural decisions.

You can work remote, on-site, or hybrid in our global offices, with training opportunities and exposure to cutting-edge tech. Apply to join a transparent, supportive team.