About this opportunity
Ampcus Inc lists this Senior Java Full Stack Developer Consultant opportunity in holyoke, Massachusetts. Review the employer’s description below for duties, qualifications and application requirements.
Job description
Description
Our client 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, contributing immediately upon onboarding. The consultant will work closely with the IT Development team and business stakeholders to build scalable integration solutions using Spring Boot, Apache Camel, and AWS services (ECS, S3, SQS). Additionally, the role 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.
Primary 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
Minimum Requirements
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
Employer will not sponsor applicants for any employment visas, at hiring or in the future, including but not limited to H-1B visas. Corp‑to‑Corp or subcontract personnel will not be considered for this position.
iTech Solutions, Inc. 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, age, protected veterans or individuals with disabilities.
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Worksite address
holyoke, MA, 01040, US
Who can apply
Review the original listing for work authorization, qualifications and employer requirements.