Senior Full Stack Developer

Astir IT Solutions, Inc.; Jacksonville (FL); Hybrid; USD 100,000 - 130,000; Full time

Job summary

A stir IT Solutions, Inc. is seeking a Senior Full Stack Developer with a focus on designing scalable microservices. The ideal candidate should have 8-10 years of experience, particularly with Java (Spring Boot), RESTful APIs, and an understanding of machine learning and AI.

This hybrid role implies working remotely and being present as needed. Responsibilities include developing web applications, collaborating in Agile teams, and ensuring high code quality. Competitive salary and benefits are provided.

Qualifications

• 8-10 years of experience in software development and architecture.
• Proficiency in design and development of microservices architectures.
• Strong experience with CI/CD pipelines and containerization.

Responsibilities

• Design and develop scalable microservices architectures.
• Develop and maintain RESTful APIs and GraphQL services.
• Automate CI/CD pipelines and manage applications in Kubernetes.

Skills

Microservices architecture

Java (Spring Boot)

RESTful API

GraphQL

Postman

Selenium

Machine Learning/AI

Tools

MuleSoft Anypoint

GitHub

Jenkins

Kubernetes

Dynatrace

Splunk

Redis

Hazelcast

Job description

Senior Full Stack Developer

Location: multiple locations (Philadelphia, PA; or Mount Laurel, NJ; or Charlotte, NC; or Fort Lauderdale, FL (Hybrid)) – Locals Only

Onsite/Hybrid: Hybrid

Employment type: W2 Only

Experience required: 8-10 Years

Mode of Interview: Telephonic + (Face-to-Face)

Detailed Job Description (Roles and Responsibilities)

• Design and develop scalable, high-performance microservices architectures using Java (Spring Boot).
• Build and maintain RESTful APIs and GraphQL services for enterprise‑grade web applications.
• Develop and integrate web applications with backend microservices.
• Implement event‑driven architectures using Kafka for asynchronous communication.
• Work with MuleSoft Anypoint/Salesforce integrations for API‑led connectivity.
• Collaborate with cross‑functional teams in Agile/Scrum environments to deliver high‑quality solutions.
• Automate CI/CD pipelines using GitHub and Jenkins.
• Deploy and manage applications in containerized environments (Kubernetes).
• Develop ML/AI‑based solutions or integrate AI capabilities where applicable.
• Monitor application performance using Dynatrace and Splunk.
• Implement caching strategies using Redis and Hazelcast to optimize performance.
• Ensure code quality through unit testing, automation, and Selenium‑based UI testing.
• Use Postman and similar tools for API testing and validation.

Mandatory Skills

• Microservices architecture, Java (Spring Boot), Restful API, GraphQL, Webapps, Postman, Selenium, Machine Learning/AI
• Work with MuleSoft Anypoint/Salesforce integrations for API‑led connectivity.