Yoh, A Day & Zimmermann Company · 3 hours ago
Senior Java Full Stack Developer- Consultant- W2 only no corps
Holyoke, MA
Contract
Hybrid
Senior Level
$52.50/hr - $75/hrYoh, A Day & Zimmermann Company is seeking an experienced Senior Java Full Stack Developer consultant with strong expertise in enterprise integration, AWS cloud technologies, and database development. This Consultant will play a key role in designing and implementing data pipelines that bridge multiple source systems, while also enhancing existing applications and collaborating with the IT Development team and business stakeholders.
Bookkeeping and PayrollConsultingStaffing Agency
Hiring Manager
Renu Goel
Responsibilities
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, correct 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
Qualification
Required
Bachelor's Degree
Strong proficiency in Java 17/21 and Spring MVC
Experience working 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 experience in Oracle or PostgreSQL database development (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
Benefits
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)
MetLife Voluntary Benefits
Employee Assistance Program (EAP)
401K Retirement Savings Plan
Direct Deposit & weekly epayroll
Referral Bonus Programs
Certification and training opportunities
Company
Yoh, A Day & Zimmermann Company
At Yoh, we focus on helping you precisely navigate and fulfill your talent demands.
Founded in 1940
1001-5000 employees
H1B Sponsorship
Yoh, A Day & Zimmermann Company has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (57)
2024 (28)
2023 (27)
2022 (25)
2021 (28)
2020 (27)
Funding
Current Stage
Late StageLeadership Team
Peter Melomo
Vice President, Sales Strategy & Professional Consulting Services
Tom Enright
VP Recruiting - Specialty Practices
Recent News
Philadelphia Business Journal
2025-01-11
Company data provided by crunchbase