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Senior Software Engineer

Quest Diagnostics Incorporated
United States, Virginia, Chantilly
Aug 12, 2025
Job Description
The senior software engineer will work as part of a small, agile team to design and implement new features and technologies in a variety of different products throughout Quest Diagnostics. Deliver high-quality, high-performance code in an agile environment.

Responsibilities:
  • Develop key product features within existing large-scale enterprise applications and new strategic initiatives that will drive system and operational efficiencies, measure system performance, and provide glue for complex solutions.
  • Participate in the full SDLC involving design, implementation, testing, & launching.
  • Assist with the generation and analysis of business and functional requirements for proposed software solutions.
  • Participate in architectural and database design discussions as they relate to product direction.
  • Develop features completely including the front-endcomponents and the backend systems.
  • Design and implement changes to systems that yield higher performance and resiliency while achieving lower operations overhead.
  • Own the delivery of an entire piece of a system orapplication, andserve as a technical lead on small to midsize complex projects.
  • Work closely with other engineers to develop the best technical design and approach for new product development.
  • Build software solutions where the problem is not well defined. Design and define the interaction between the other component pieces.
  • Consistently define and apply technologies, standards and software engineering practices, mentoring other team members.
  • Contribute to the focus and effectiveness of the development team; tracking issues to resolution, monitoring the effectiveness of tasks, and providing status to the team lead.
  • Raise long-term architecture issues within project.
  • Conduct design and code reviews of multiple projects.
  • Generate data for project planning, including task breakdown & estimation of work for a project. Competent in developing accurate estimates & risk assessments. Track status within the project as necessary.
  • Communicate team and project status to project manager and director.
  • May occasionally act in the Team Lead role
  • Act as the designated expert for owned application area(s).
  • Contribute to the continued improvement of the organization's development procedures by looking for opportunities for improvement and implementing solutions.


Qualifications:

Education: Bachelor's degree or equivalent experience required.

Required Work Experience:

  • 5+ years professional experience in software development.
  • Computer Science fundamentals inobject-oriented (OO) design patterns, distributed databases, and data modeling techniques.

Knowledge:

  • Proficiency in Enterprise Java programming plus one or more modern programming languages such as Ruby, Python, or C#.
  • Experience in development of distributed/scalable systems and high-volume transaction applications.
  • Expertise in UI technologies like JavaScript, AJAX, CSS, HTML.
  • Experience with Web Technologies, Visual Basic, and multi-tier architectures.

Skills:

  • Ability to multi-task
  • Analytical skills
  • Ability to follow verbal or written instructions
  • Thinking analytically
  • Communication
  • Using effective verbal communication
  • Using effective written communication
  • Handling stress & emotions
  • Concentrating on tasks
  • Making decisions
  • Adjusting to change
  • Examining/observing details
  • Ability to work well with people and be both highly motivated and motivating.


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Quest Diagnostics honors our service members and encourages veterans to apply.

While we appreciate and value our staffing partners, we do not accept unsolicited resumes from agencies. Quest will not be responsible for paying agency fees for any individual as to whom an agency has sent an unsolicited resume.

Equal Opportunity Employer: Race/Color/Sex/Sexual Orientation/Gender Identity/Religion/National Origin/Disability/Vets or any other legally protected status.

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