Thermo Fisher Scientific Senior Software Engineer II in Branford, Connecticut

Job Description

When you join us at Thermo Fisher Scientific, you’ll be part of a smart, driven team that shares your passion for exploration and discovery. With revenues of $20 billion and the largest investment in R&D in the industry, we give our people the resources and opportunities to make significant contributions to the world.

The Senior Software Engineer II is a recognized leader within in one strategic domain with expert knowledge in at least a second domain. Considers domain and risks, customer expectations and Return on Investment, and delivers performant and quality application features that exceed our customer's expectations. Demonstrates leadership on teams and projects.


  • Owns a major technology or common shareable feature across several projects

  • Influences team and domain direction to achieve project goals

  • Authors, reviews and approves requirements and designs for projects related to large teams. Contributes to and guides architectural decisions

  • Assists peers with even the most difficult programming and debugging issues.

  • Recognized as an expert and acts within the team as "go to person."

  • Investigates, proposes and solves complex algorithmic and optimization issues

  • Authors white papers and publishes knowledge to Core.

  • Evangelizes key technologies

  • Consistently delivers end-to-end solutions

  • Anticipates process and measurement solutions that will meet the current and future needs of the company

  • Domain risk assessment

  • Acts as planning consultant and makes recommendations mindful of Return on Investment

  • Actively shares knowledge through peer mentoring, shared resources and informal teachings.

  • Learns from other team members, but contributes and enforces best practices.

  • Mentors engineers and provides technical expertise

  • May direct a domain or provide direction and technical supervision to teams



  • BS or MS in engineering, computer science, or a related discipline; or equivalent experience

  • 10+ years of software engineering experience and industry experience

  • Excellent verbal and written communication skills

  • Well organized individual with team and entrepreneurial spirit

  • In-depth knowledge of Java

  • Strong working knowledge of platforms: Linux, AWS, Windows, Oracle

  • Languages: J2EE, Javascript, JSP, SQL

  • Tools: IDEs, Atlassian

  • Requirements and design writing skills

  • Test case writing skills

  • Codes software applications to adhere to designs supporting internal business requirements and external customers

  • Design, build, and maintain efficient, well designed, and testable, performant and secure.

  • Identify system bugs and bottlenecks, and resolve using effective solutions

  • Execute full software development, contributing in all

  • Ability to solve challenging technical problems and to support multiple projects simultaneously and efficiently

  • Performance tuning expertise

  • Security risk assessment and abatement expertise

  • Networking

  • Continuous delivery

  • Infrastructure as code

  • DevOps

  • Datastores (not just RDBMS)

  • Transactional integrity and messaging

  • UX and Web-based UIs

  • Customer needs and user experiences

  • Requirements engineering

  • Testing, debugging and monitoring of distributed services

  • Static code analysis

  • Runtime monitoring

  • Effective presentation and public speaking


  • Experience with microservices, virtualization and containers

  • Exposure to Laboratory science, workflows, culture and instrumentation

  • Experience in the Life sciences, biotech and pharmaceutical industry

  • Contributions to open source community

  • Participation in local and virtual communities such as conferences, and meetups.

At Thermo Fisher Scientific, each one of our 65,000 extraordinary minds has a unique story to tell. Join us and contribute to our singular mission—enabling our customers to make the world healthier, cleaner and safer.

Thermo Fisher Scientific is an EEO/Affirmative Action Employer and does not discriminate on the basis of race, color, religion, sex, sexual orientation, gender identity, national origin, protected veteran status, disability or any other legally protected status.