Senior Full Stack Java Developer

Job description

At Charles River, we are passionate about improving the quality of people’s lives.

When you join our global family, you will help create healthier lives for millions of patients and their families.

Charles River employees are innovative thinkers, who are dedicated to continuous learning and improvement.

We will empower you with the resources you need to grow and develop in your career.

As a Charles River employee, you will be part of an industry-leading, customer-focused company at the forefront of drug development.

Your skills will play a key role in bringing life-saving therapies to market faster through simpler, quicker, and more digitalized processes.

Whether you are in lab operations, finance, IT, sales, or another area, when you work at Charles River, you will be the difference every day for patients across the globe.

Job Summary

Are you an expert in Java J2EE applications, with proven skills in large scale modernization of corporate systems?

Would you like to apply your expertise to play an integral part in ensuring full system stability within a cGMP regulated environment?

Charles River Laboratories are excited to be recruiting for a Senior Full Stack Java Developer on a full time, permanent basis based at either our Ballina, IRL or Dublin, IRL sites.

You will be leading the modernization, troubleshooting and maintenance of the Java J2EE LIMS application with a predominant focus on the conversion of legacy EJB components to RESTful services.

Using a deep technical knowledge of Java J2EE development, you’ll collaborate with cross-functional teams to implement best practice and ensure compliance with industry standards.

We are looking for a Java 2EE development specialist, with knowledge of software lifecycle management in a cGMP regulated environment to lead this transition! 

What you’ll be doing:
• Lead the modernization of an existing 1M+ lines Java J2EE application, transitioning from EJBs to RESTful APIs.
• Drive the UI migration from Swing to modern JS/TS web framework using WebSwing, ensuring a seamless user experience.
• Develop and maintain microservices architecture, optimizing performance and scalability.
• Work with Spring, WildFly, and PostgreSQL to enhance backend functionality.
• Implement best practices for software development, ensuring compliance with FDA guidelines, cGMP 21 CFR Part 11, MHRA, and GAMP5.
• Ensure software documentation, change control procedures, and regulatory requirements are met.
• Collaborate with Quality Assurance (QA) and regulatory teams to maintain compliance and data integrity.
• Work closely with business analysts, operations, and external vendors to align software development with business needs.
• Lead training and knowledge transfer sessions to ensure effective adoption of new technologies.
• Participate in Agile development processes and contribute to continuous integration and delivery (CI/CD) pipelines.
• Perform all other related duties as assigned.

Job Qualifications

Skills and Experience:
• Bachelor’s degree in Computer Science, Software Engineering, or a related field.
• 5+ years of hands-on experience in Java J2EE development, with expertise in:
o EJB-to-REST conversion
o Spring framework
o WildFly or similar Java EE application servers
o Swing UI modernization to JS/TS web framework (preferably migrating to Svelte)
• Strong experience with SQL databases (PostgreSQL preferred) and RESTful API development.

Technical Skills:
• Expertise in object-oriented programming (OOP) and design patterns.
• Proficiency in JavaScript, ReactJS, Svelte, or other modern frontend frameworks.
• Knowledge of unit testing, integration testing, and automated end-to-end testing.
• Familiarity with Agile methodologies and Application Lifecycle Management (ALM) tools.

Desirable:
• Development in a GxP-regulated environment.
• Experience working with LIMS (Laboratory Information Management Systems).
• Understanding of cloud-based solutions and DevOps practices.

Other aspects of the role:

Physical Demands:
• Must regularly operate a computer and occasionally operate other office productivity machinery such as a calculator, copy machine, and computer printer.


• Must regularly communicate with employees, vendors, and external consultants; must be able to exchange accurate information.
• Must occasionally move about inside the office to access file cabinets, office machinery, etc...

Work Environment:
• General office working conditions; the noise level in the work environment is usually quiet.
• While performing the duties of this job, the employee occasionally wears protective equipment such as safety glasses and lab coats when exposed to the laboratory area.
• This position may require domestic travel.

About Corporate Functions 

The Corporate Functions provide operational support across Charles River in areas such as Human Resources, Finance, IT, Legal, Sales, Quality Assurance, Marketing, and Corporate Development.

They partner with their colleagues across the company to develop and drive strategies and to set global standards.

The functions are essential to providing a bridge between strategic vision and operational readiness, to ensure ongoing functional innovation and capability improvement.

 

About Charles River

Charles River is an early-stage contract research organization (CRO).

We have built upon our foundation of laboratory animal medicine and science to develop a diverse portfolio of discovery and safety assessment services, both Good Laboratory Practice (GLP) and non-GLP, to support clients from target identification through preclinical development.

Charles River also provides a suite of products and services to support our clients’ clinical laboratory testing needs and manufacturing activities.

Utilizing this broad portfolio of products and services enables our clients to create a more flexible drug development model, which reduces their costs, enhances their productivity and effectiveness to increase speed to market.

With over 20,000 employees within 110 facilities in 20 countries around the globe, we are strategically positioned to coordinate worldwide resources and apply multidisciplinary perspectives in resolving our client’s unique challenges.

Our client base includes global pharmaceutical companies, biotechnology companies, government agencies and hospitals and academic institutions around the world.

At Charles River, we are passionate about our role in improving the quality of people’s lives.

Our mission, our excellent science and our strong sense of purpose guide us in all that we do, and we approach each day with the knowledge that our work helps to improve the health and well-being of many across the globe.

We have proudly worked on 80% of the drugs approved by the U.S. Food and Drug Administration (FDA) in the past five years.

At Charles River Laboratories, we recognize and recruit all talent.

We are a company committed to the principle of diversity and inclusion and work daily in this direction.

For more information, please visit www.criver.com.

Required Skill Profession

Computer Occupations