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Application Developer (Remote - US) at Jobgether. This position is posted by Jobgether on behalf of Marsh McLennan Agency. We are currently looking for an Application Developer in the United States.. In this role, you will join a collaborative and innovative development team responsible for building and maintaining critical applications that directly impact client experiences. You will work through the full software development lifecycle, from design and coding to testing and deployment, ensuring adherence to best practices and security-first principles. This position offers the opportunity to contribute to complex, high-quality projects that enhance scalability, performance, and functionality across systems. You will work in an agile environment, applying problem-solving skills and creativity to deliver robust solutions while collaborating with cross-functional teams. The role also includes application support and the development of reusable code to accelerate delivery timelines. It’s a great opportunity for a driven developer who thrives on innovation, teamwork, and delivering measurable impact.. . Accountabilities. In this role, you will be responsible for designing, developing, and maintaining applications that support business needs and deliver exceptional user experiences. Core responsibilities include:. . Designing, coding, testing, and debugging new and existing applications following modern coding standards.. . Collaborating with lead developers to define project user stories, manage backlogs, and deliver on sprint commitments.. . Contributing to complex development initiatives, producing high-quality, scalable, and secure applications.. . Implementing REST APIs and integrating with various systems and services.. . Leveraging continuous integration, automation, and containerization tools (e.g., Azure DevOps, GitHub Actions, JFrog Artifactory).. . Providing Level 2 and Level 3 application support, diagnosing and resolving issues efficiently.. . Writing reusable and maintainable code to speed up delivery, improve scalability, and ensure consistency.. . Maintaining a security-first approach to all development activities.. . The ideal candidate will bring strong technical skills, problem-solving ability, and collaborative energy to the team. Key qualifications include:. . 3+ years of experience in application development.. . Proven contribution to team-based development projects.. . Proficiency with HTML, CSS, JavaScript, JSON, Angular, C#, .NET, and similar technologies.. . Experience with REST API design and implementation.. . Familiarity with CI/CD pipelines, automation, and containerization tools.. . Strong analytical and troubleshooting skills in complex application environments.. . Knowledge of secure coding practices.. . Bachelor’s degree in Computer Science or related field, or equivalent experience (preferred but not required).. . Additional experience with Java/TypeScript, MLOps-related tooling, or cross-platform development is a plus.. . . Company Location: United States.