API Developer

Acestack; Pittsburgh (Allegheny County); On-site; USD 120,000 - 180,000; Full time

Job summary

Acestack in Pittsburgh, PA is seeking an experienced API Developer to lead design and delivery of robust RESTful services using Java/Spring Boot in a fast-paced environment.

You will collaborate with product and operations teams, drive API standards, mentor developers, and ensure security and reliability through CI/CD and cloud deployment on AWS.

This onsite full-time role also offers exposure to microservices, Docker, Kubernetes, and OpenAPI tooling, with strong growth opportunities.

Qualifications

• 8-10+ years in Java/J2EE software development with leadership.
• Strong proficiency in Java, J2EE, Spring, Spring Boot, and microservices.
• Experience designing and developing RESTful and SOAP web services; Swagger/OpenAPI knowledge.
• SQL/NoSQL databases (PostgreSQL, MongoDB); database design and optimization.
• Familiarity with AWS and containerization (Docker, Kubernetes).
• Experience with Agile/Scrum and DevOps practices.
• Excellent problem-solving, analytical, and communication skills; ability to lead a team.

Responsibilities

• Lead, mentor, and provide technical guidance to a team of developers.
• Design, develop, and maintain robust RESTful APIs using Java and Spring Boot; ensure security and reliability.
• Oversee API integration with internal and third-party systems; manage data flows.
• Collaborate with product managers, architects, and stakeholders to translate requirements into designs.
• Ensure comprehensive testing (unit/integration) and maintain code quality with JUnit/Mockito.
• Drive DevOps adoption; work with CI/CD tools (Jenkins, GitHub) and cloud deployments (AWS/Azure).
• Produce documentation for APIs and microservices detailing architecture and guidelines.

Skills

Java/J2EE/Spring

RESTful APIs & SOAP

SQL/NoSQL databases

Cloud AWS

Docker & Kubernetes

Agile/Scrum & DevOps

Leadership & communication

Swagger/OpenAPI

Tools

Swagger/OpenAPI

Docker

Kubernetes

Job description

Role: API Developer

Location: Pittsburgh, PA (Onsite)

Fulltime Permanent

Job Description

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.