Job Req Id:

26967906

Location(s):

New Castle, Delaware, United States

Job Type:

Hybrid

Posted:

Juni. 02, 2026

The Full Stack Developer is a senior-level position responsible for designing, developing, and implementing both frontend and backend application systems and services. This role requires hands-on expertise across the full technology stack, with a strong emphasis on building scalable APIs and modern, responsive user interfaces using React. The overall objective is to deliver high-quality, reusable frameworks and solutions that support complex business requirements.

Responsibilities

• Partner with multiple management and cross-functional teams to ensure seamless integration of business and technology solutions, while identifying and defining necessary system enhancements.

• Design, develop, and maintain scalable backend services using Java and Spring frameworks, along with modern frontend applications using React.js.

• Build intuitive, responsive, and high-performance user interfaces that enhance user experience.

• Develop and maintain RESTful APIs and microservices architecture.

• Resolve high-impact problems through in-depth evaluation of complex business and system processes.

• Ensure application design aligns with enterprise architecture standards and best practices.

• Establish and enforce coding, testing, debugging, and deployment standards across the full stack.

• Collaborate closely with UI/UX designers, product owners, and backend teams to deliver cohesive solutions.

• Contribute to the development of CI/CD pipelines and support DevOps best practices.

• Provide technical leadership, mentorship, and guidance to mid-level developers and analysts.

• Assess risk appropriately in all technical decisions, ensuring compliance with regulatory requirements, company policies, and ethical standards.

Required Qualifications

• Strong proficiency in Java (Spring Boot) and backend service development.

• Hands-on experience with React.js, modern JavaScript (ES6+), HTML5, and CSS3.

• Experience building and consuming RESTful APIs and integrating frontend applications with backend services.

• Working knowledge of state management libraries (e.g., Redux, Context API).

• Experience with databases: Oracle, SQL, and NoSQL (MongoDB).

• Familiarity with cloud platforms (OpenShift, Kubernetes) and containerization.

• Experience with messaging systems such as Kafka and MQ.

• Strong understanding of software development lifecycle (SDLC) and Agile methodologies.

• Knowledge of DevOps practices, CI/CD pipelines, and version control systems (e.g., Git).

• Solid understanding of clean code principles and application design patterns.

• Ability to work independently in a fast-paced and dynamic environment.

• Strong analytical, problem-solving, and communication skills.

Preferred Qualifications

• Experience in the financial services domain, particularly Payments.

• Familiarity with GenAI and Large Language Models (LLMs).

• Experience integrating mainframe systems with APIs or Kafka.

• Experience with modern frontend tooling (e.g., Webpack, Vite, Jest, Cypress).

• 6+ years of relevant experience in full stack development or systems analysis.

• Proven track record of delivering complex, high-impact projects.

• Subject Matter Expert (SME) in one or more areas of application development.

• Strong leadership, stakeholder management, and project delivery skills.

Education

• Bachelors degree or equivalent experience required

• Masters degree preferred

This job description provides a high-level overview of responsibilities. Additional duties may be assigned as needed.