Sr. Software Engineer - Java Development

Senior Software Engineer

Are you ready to be part of a team that is at the forefront of technological innovation? Thermo Fisher Scientific Inc. is seeking a Senior Software Engineer to join our ambitious team in the United States. This is an outstanding opportunity to work within a world-class organization that is committed to making the world healthier, cleaner, and safer. As part of our team, you will collaborate with exceptionally dedicated engineers and scientists to develop and implement flawless solutions that impact global health and safety.

This position is subject to the successful completion of a United States federal government Tier 3 security clearance. U.S. citizenship is a requirement of this clearance process under federal law.

How you will make an impact:

As a Sr. Software Engineer specializing in Java Development, you will be part of a dynamic team that excels in delivering world-class solutions and play a key role in creating brand new technology for our wide array of products. You will work closely with our dedicated team of engineers and scientists to foster innovation from ideas to execution.

Location:

This position is a site-based role with the opportunity to work at one of our three locations: Oakwood Village, Ohio; Madison, Wisconsin; or Tewksbury, Massachusetts.

What you will do:

• Lead the design, development, testing, and deployment of high-quality applications.
• Participate in architecture and code reviews to ensure flawless performance.
• Prioritize features and bug fixes to successfully implement project goals.
• Mentor and provide technical leadership to junior engineers.
• Stay updated with industry trends and continuously learn new technologies.
• Work collaboratively with cross-functional teams to deliver outstanding products.

How you will get here:

Education:

• BS in Computer Science, Engineering, Chemistry, Mathematics, or equivalent experience with 7+ years of related experience in Java development, including Java Spring Boot and microservice architecture.

Knowledge, Skills, Abilities:

Java & Spring Boot:

• Strong proficiency in Java (Java 8+) with deep experience in Spring Boot for building scalable, cloud-native applications.
• Expertise in REST API design and development, including best practices for security, performance, and maintainability.
• Solid understanding of object-oriented principles, design patterns, and data structures.
• Experience with unit and integration testing frameworks such as JUnit and Mockito.

Databases & Persistence:

• Strong hands-on experience with SQL databases and persistence frameworks (e.g., Hibernate, JPA).
• Familiarity with data modeling, query optimization, and performance tuning.

Cloud & AWS:

• Practical experience developing and deploying applications on the AWS Cloud platform.
• Knowledge of key AWS services (e.g., EC2, S3, SQS, SNS, RDS, Lambda, API Gateway, IoT Core).
• Familiarity with cloud-native design principles and CI/CD deployment pipelines.

Frontend & UI Development (Plus):

• Exposure to Angular or another modern JavaScript framework (e.g., React, Vue).
• Experience in building browser-based UIs using HTML5, CSS3, Bootstrap, JavaScript, jQuery, AJAX, JSON/XML.
• Knowledge of TypeScript and Node.js is a plus.

IoT & Emerging Technologies (Plus):

• Knowledge of IoT concepts and hands-on experience with platforms such as AWS IoT Core is a strong benefit.

Software Engineering Practices:

• Significant experience working in Agile Scrum environments.
• Proficiency with GitHub (or other version control systems), Jira, and CI/CD tools (e.g., Jenkins, GitHub Actions).
• Familiarity with reporting frameworks such as Jasper Reports is a plus.
• Collaboration & Leadership
• Demonstrated experience working with geographically distributed teams.
• Strong communication, collaboration, and mentoring skills, with the ability to lead technical discussions and contribute to architecture decisions.

Join us at Thermo Fisher Scientific Inc. and contribute to our mission of enabling our customers to make the world healthier, cleaner, and safer. Embrace this opportunity to grow within our dynamic organization and make a significant impact on global health and safety!