Mid Java API Developer

System One; Pittsburgh (Allegheny County); On-site; USD 90,000 - 120,000; Full time

Job summary

System One is seeking a Mid Java API Developer to work on-site in Pittsburgh, Pennsylvania. This permanent full-time position requires at least 4 years of experience in Java/J2EE development with a strong emphasis on REST APIs and microservices.

The successful candidate will be responsible for designing and implementing APIs, improving standards, and collaborating with diverse teams to deliver high-quality software solutions.

Qualifications

• 4+ years in Java/J2EE development with REST API.
• Experience developing and consuming REST/SOAP services.
• Experience with containerization and microservices.

Responsibilities

• Design, maintain, and implement API and microservices.
• Develop and unit test Java RESTful services.
• Improve API standards and services.

Skills

Java/J2EE

REST API

Spring Boot

XML

JSON

Swagger

SOAP web services

OpenShift

CI/CD

GitHub

Kubernetes

Apache Kafka

MongoDB

Node JS

Angular 8+

Job description

Job Title

Mid Java API Developer

Job Details

Job Type: Permanent Full Time

Location: Pittsburgh, Pennsylvania, United States

Description

Position Description: This role must be performed in Pittsburgh, PA -or- Dallas, TX on the client site 5 days per week. For this role on this particular client engagement, employer sponsorship of immigration‑related visa and/or green card status as part of the PERM process will not be available.

Future duties and responsibilities

• Design, maintain and implement API, microservices and backend components
• Work with API developers across the team to build new features at large scale
• Improve API standards and services
• Development and unit testing of Java RESTful services that integrate with external client systems
• Working knowledge and hands‑on experience in DEVOPs tools like Jenkins, uDeploy and GIT
• Review design documents and provide feedback on approach and estimates
• Creates technical designs for new systems, and/or modifications to existing systems
• Translates detailed requirements into functional system designs
• Ability to prioritize work, meet deadlines and establish effective working relationships with clients, project team members, supervisors, and employees from other departments
• Work closely with internal and external design, business and technical counterparts
• Excellent interpersonal skills including the ability to work closely with diverse personality types and understand technical issues
• Research and recommend functional libraries to expedite development

Required qualifications to be successful in this role

• At least 4+ years overall experience in Java/J2EE development with REST API, Spring Boot, XML, JSON, Swagger
• 4+ years of experience developing and consuming SOAP and REST web services for an operational/production environment
• Experience working with OpenShift, containerization and microservices
• 3+ years of GitHub, Jenkins and CI/CD server
• Knowledge of client-side technologies like Node JS, Angular 8+
• Experience in Kubernetes, Apache Kafka and MongoDB
• Experience integrating Java based applications with Oracle / SQL Server
• Hands‑on experience working REST API development using Spring Boot & Spring framework
• Experience coding to prevent hacking and other vulnerabilities
• Strong collaboration and communication skills within distributed project teams and in an Agile environment
• Excellent oral and written communication skills