Senior Java Software Engineer

Mastech — United States · Posted ~3 hours ago

Senior Full-time Onsite

Skills

Java J2EE Spring Boot Microservices REST APIs SQL NoSQL REST Kafka

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Summary ✨ AI‑Generated

Develop and maintain enterprise backend services using Java technologies. The role focuses on building APIs, microservices, integrations, testing, and improving scalable software systems with modern development practices.

Highlights

Senior backend engineering role working on large-scale APIs, microservices, modern technologies, and enterprise systems.

Description

Role - API Developer Locations - Pittsburgh, PA, Cleveland, OH, Dallas, TX, Birmingham, AL, Strongsville, OH, Pheonix, AZ, Denver, CO (5 days Onsite) Your future duties and responsibilities Looking for a Senior API Developer who has • At least 8+ of Java/J2EE development, hands on troubleshooting and deployment experience. (Mandatory) • Hands on experience working with cutting edge technologies such as Spring Boot, Microservices. • Design, maintain and implementation of 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 integrates with external client systems • Working Knowledge and hands on experience in DEVOPs tools like Jenkins, uDeploy and GIT • Has knowledge of Kafka • Hands on experience in IBM MQ. • Strong Knowledge in SQL and No Sql • Knowledge in any of the Cloud Technologies, such as AWS, Azure etc. • 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 and meet deadlines, and also establish and maintain 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 8+ years overall experience Java/J2EE development with REST API, Spring Boot, Angular, XML, JSON, Swagger • 8+ years of RESTful or SOAP web services • 5+ years Angular, CSS, JavaScript, HTML • 5+ years of GitHub, Jenkins and CI/CD server • Experience writing unit tests for JavaScript code. • Experience using Agile methodologies for developing application