Senior Java Full Stack Developer- In-person - W2

Overview

Please share your resume to
Suman Dabbeta | Sr. Recruiter | Yoh

ONLY W2/NO C2C. Onsite role and onsite interview is a must.

Sr. Java Full Stack Developer

Location:

Holyoke, MA (Onsite Interview is a must)

Duration: 6+ months

Senior Java Full Stack Developer seeking an experienced consultant with strong expertise in enterprise integration, AWS cloud technologies, and database development. This consultant will design and implement data pipelines that bridge multiple source systems, contributing immediately upon onboarding. The role involves working with the IT Development team and business stakeholders to build scalable integration solutions using Spring Boot, Apache Camel, and AWS services (ECS, S3, SQS).

The role also involves enhancing existing applications, developing front-end interfaces, optimizing database performance for high-volume workloads, and collaborating with architects on technology evaluations and best practices.

• Enhance existing applications using Java 17/21 and Spring Boot
• Interact with Oracle databases using SQL and PL/SQL
• Develop new front end pages with HTML, CSS, Bootstrap and AJAX
• Enhance existing front ends using Thymeleaf, HTML, CSS and AJAX
• Write thorough unit tests using JUnit and Mockito
• Deploy code using Jenkins
• Interact with end users to determine requirements
• Design data pipelines to extract, transform, and bridge data from multiple source systems into formats required by downstream applications
• Deploy containerized applications on AWS ECS with Fargate and utilize S3 for object storage and SQS for asynchronous message processing
• Design and optimize database schemas with partitioning strategies for high-volume tables (10M+ rows) in Oracle or PostgreSQL
• Build integration adapters using Apache Camel for message routing, transformation, and orchestration across messaging systems (AMQ/JMS/SQS)
• Collaborate with architects on technology evaluations, document integration designs, and mentor team members on Spring Boot and AWS best practices

• Bachelor's Degree
• Strong proficiency in Java 17/21 and Spring MVC
• Experience with Oracle databases
• Experience building front ends using HTML, CSS, Bootstrap and AJAX
• Experience writing unit tests with JUnit and Mockito
• Excellent communication skills, highly adaptable and resilient under pressure
• Independent worker able to clear their own blocks
• Experience with Apache Camel for enterprise integration patterns and JMS/ActiveMQ for asynchronous messaging
• Hands-on experience with AWS services including ECS, S3, and SQS
• Strong SQL skills with Oracle or PostgreSQL (PL/SQL or PL/pgSQL)
• Experience optimizing database performance including partitioning and indexing strategies for high-volume tables
• Understanding of RESTful API design and microservices architecture
• Experience with Thymeleaf or similar server-side templating engines
• Familiarity with CI/CD pipelines using Jenkins
• Python scripting experience for data processing and file manipulation
• Knowledge of Spring Batch for batch processing

We welcome you to be a part of Yoh, a leading global staffing company with over 65 years of experience. Yoh’s network of client companies provides access to opportunities and exclusive roles. Benefits include:

• Medical, Prescription, Dental & Vision Benefits (for employees working 20+ hours per week)
• Health Savings Account (HSA) (for employees working 20+ hours per week)
• Life & Disability Insurance (for employees working 20+ hours per week)
• Met Life Voluntary Benefits
• Employee Assistance Program (EAP)
• 401K Retirement Savings Plan
• Direct Deposit & weekly epayroll
• Referral Bonus Programs
• Certification and training opportunities

Note:

Any pay ranges displayed are estimations. Actual pay is determined by an applicant's experience, technical expertise, and other qualifications as listed in the job description. All qualified applicants are welcome to apply.

Yoh, a Day & Zimmermann company, is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or…