API Developer

VOLTO Consulting; Dallas (TX); On-site; USD 120,000 - 150,000; Full time

Job summary

VOLTO Consulting is seeking an experienced API Developer to lead a team of developers in designing and delivering scalable RESTful APIs using Java and Spring Boot. The role spans architecture, security (OAuth/JWT), and system integration across on‑premise and cloud environments.

You will collaborate with product managers and architects, ensure high-quality code through reviews, and drive DevOps practices with CI/CD tools like Jenkins and GitHub. AWS experience is preferred.

Qualifications

• 8–10+ years in Java/J2EE software development with technical leadership.
• Strong Java, Spring, Spring Boot, and microservices experience.
• Expertise in designing/restful and SOAP web services; Swagger/OpenAPI knowledge.
• Proficient with SQL and NoSQL databases; database design and optimization.
• Familiarity with AWS and containerization (Docker, Kubernetes).
• Experience with Agile/Scrum and DevOps practices.

Responsibilities

• Provide technical leadership, code reviews, and mentoring for developers.
• Design, develop, and maintain robust RESTful APIs using Java and Spring Boot.
• Ensure API security (OAuth, JWT), performance, and reliability.
• Oversee system integration with internal and third‑party systems.
• Collaborate with product, architects, and stakeholders to translate requirements into designs.
• Drive CI/CD adoption and cloud deployment (AWS, on‑premise or cloud).
• Produce comprehensive API documentation and implementation guidelines.

Skills

Java/J2EE

Spring/Spring Boot

Microservices

RESTful/SOAP APIs

Swagger/OpenAPI

SQL/NoSQL

AWS Cloud

Docker

Kubernetes

Agile/Scrum

DevOps

OAuth/JWT

Leadership

Communication

Tools

Docker

Kubernetes

Swagger/OpenAPI

Jenkins

GitHub

Job description

Pittsburgh, PA - dallas TX - strongsville OH - Phoneix AZ (Onsite)

Full-time

Skill: API Developer

Must Have Technical/Functional Skills

• Experience: Significant experience (typically 8-10+ years) in Java/J2EE software development, including experience in a technical leadership role.
• Programming Languages & Frameworks: Strong proficiency in Java, J2EE, Spring, Spring Boot, and experience with microservices architecture.
• API Technologies: Expertise in designing and developing RESTful and/or SOAP web services, and knowledge of API management platforms and documentation tools like Swagger/OpenAPI.
• Database Management: Proficiency with both SQL and NoSQL databases (e.g., PostgreSQL, MongoDB), including database design and query optimization.
• Cloud & Tools: Familiarity with cloud platforms (preferably AWS) and experience with containerization technologies like Docker and Kubernetes.
• Methodologies: Experience working within Agile/Scrum and DevOps methodologies.
• Soft Skills: Excellent problem-solving, analytical, and communication skills, with the ability to lead a team and work collaboratively in a fast-paced environment.

Roles & Responsibilities

• Technical Leadership & Mentorship: Lead, mentor, and provide technical guidance to a team of developers, conducting code reviews and ensuring adherence to high-quality coding standards and best practices.
• API Architecture & Development: Design, develop, and maintain robust and scalable RESTful APIs using Java and Spring Boot, ensuring performance, security (e.g., OAuth, JWT), and reliability.
• System Integration: Oversee the integration of APIs with various internal and third-party systems, applications, and data sources, utilizing middleware technologies and ensuring seamless data flow.
• Collaboration & Requirements Analysis: Collaborate with cross-functional teams, including product managers, architects, and business stakeholders, to understand requirements and translate them into technical specifications and architectural designs.
• Quality Assurance & Testing: Ensure comprehensive testing is performed (unit and integration tests), identify and resolve bottlenecks and bugs, and maintain code quality using tools like JUnit or Mockito.
• DevOps & Cloud Integration: Drive the adoption of DevOps practices and work with CI/CD tools (e.g., Jenkins, GitHub, Docker, Kubernetes) to build infrastructure for integration and deployment of API services, both on-premise and in cloud environments (e.g., AWS, Azure).
• Documentation & Standards: Produce comprehensive documentation for APIs and microservices, detailing architecture, design decisions, and implementation guidelines for internal and external use.