Application Developer- HYBRID in CT, PA, MO

Senior Application Developer Conexess Group is aiding a large healthcare client in their search for a Senior Application Developer in a hybrid capacity. This is a long-term opportunity with a competitive compensation package. This is a hybrid position requiring 3 days onsite per week in one of the following locations: Bloomfield, CT St. Louis, MO Philadelphia, PA We are unable to provide sponsorship or work c2c for this role. We are seeking a highly experienced Senior Application Developer with 12+ years of IT experience as a lead developer. The ideal candidate will be a technical expert in designing and building web-based enterprise applications and a problem solver who thrives both independently and in collaborative team environments. Responsibilities: Architect, design, and develop scalable enterprise applications using technologies such as Node.js/Javascript, Python, REST APIs, Oracle, MySQL, JSON, Docker, Jenkins, and Okta. Optimize complex SQL queries for performance and scalability Build and maintain applications in a Linux environment, demonstrating deep comfort and fluency with shell scripting and system tools Collaborate with cross-functional teams to gather requirements and deliver user-centric software solutions Lead code reviews, mentor junior developers, and contribute to architectural decisions Ensure high standards of software quality through best practices, testing, and documentation Requirements: 12+ years of experience in software development, with a strong track record as a lead developer Proven expertise in Node.js, Python, RESTful API design, Oracle, MySQL, Github and JSON Advanced knowledge of SQL query optimization and database performance tuning Extensive experience working in Linux environments Strong problem-solving skills and ability to work independently or as part of a team Excellent communication skills and a passion for building intuitive, user-first applications Deep understanding of user experience principles and a commitment to delivering solutions that prioritize usability Experience in agile development methodologies and DevOps practices