Mastech
Core Java Developer (Only W2/No C2C/C2H)
Skills
18 days ago
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Important information
Contract type:
Freelance / Contract
Location:
Alpharetta, GA, USA
Work mode:
Onsite
Published on:
1 October 2026
What they need
Job Title: Core Java Developer with NodeJS and Typescript Experience
Location: Alpharetta GA – Onsite
Duration: 12+ Months
Interview: Face to Face in Alpharetta GA.
In this role, you’ll work on our mobile services platform, collaborating with the team to design, implement, and maintain APIs that enable seamless interaction between applications, databases, and other web or mobile systems. The ideal candidate is a team-oriented web services developer who ensures high performance and functionality across all integrations.
What you'll do in the role:
- Effectively work with the PMO, Development, Product Management, Business and Technical Operations, Systems Engineering, Infrastructure, Networks and Architecture teams
- Design and develop middle layer services in Java Script, Type Script, Node JS, Java and/or C#/.Net.
- Draft and review architectural diagrams, specifications, business requirements as well as various design documents.
- Work with our existing technology stack (Java, C++, Linux, Unix, Open-Source Platforms, and SOA) as well as new technologies for our next generation solutions.
- Acquire a robust understanding of financial products, services, processes, and organizational structure to find optimal solutions.
- Mentor other software developers.
What you'll bring to the role:
- At least 6+ years of software development experience
- Proficient in software development domain and principles, including design patterns, code structure, programming languages, continuous integration, and deployments
- Hands-on experience in Core Java, Spring Framework, Spring Boot, Spring Integration, Type Script, Node Js, Kafka and Active MQ.
- Experience in java server technologies like J2EE, servlets.
- Experience in Tomcat, Maven, etc. tools used for Java development
- Hands-on experience in API/Web Services development using protocols such as REST, SOAP, JSON.
- Proficient with any one DB (Oracle, DB2, Sybase etc.)
- Experience with Service Oriented Architecture (SOA).
- Strong knowledge of object-oriented programming design patterns and methodologies
- Good understanding of Web Services protocols such as REST, SOAP, JSON and API design for extensibility and portability.
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