Senior Full Stack Software Developer Jobs in Allentown, PA

Job Description:
Why DEXIS?
Looking for a place where you can make an impact, grow your career, and actually enjoy coming to work? DEXIS might be the place for you!
We're a global leader in dental imaging technology, and our Quakertown team is helping create innovative products that improve patient care around the world.
What's in it for you?
💰 Competitive pay
🏥 Medical, dental, vision & 401(k) with company match starting Day One
🌴 PTO, paid holidays, and great leave benefits such as Paid Parental Leave
🏋️ On-site fitness center
☕ Café with coffee, drinks, snacks, and lunches
🎱 Employee lounge with pool, shuffleboard, and skee-ball
🎉 Employee appreciation events and community involvement opportunities
🌡️ Modern, climate-controlled facility
Why Quakertown?
Our Quakertown campus is DEXIS's North American hub for innovation and manufacturing. You'll work alongside talented teammates in a collaborative, fast-paced environment where ideas are welcomed, differences are celebrated, and growth is encouraged.
Come build great products, have fun, and help us improve customer lives-one smile at a time! 😃
JOB SUMMARY
The Sr. Fullstack Software Engineer will perform all duties in the software development process ranging from requirements definition and design through implementation, integration, test, deployment, and improvement, with a primary focus on full stack development - React-based web applications, backend services and APIs, and cloud-native solutions on Microsoft Azure - for enterprise-level dental imaging and treatment planning platforms.
The position will use in-depth technical and business knowledge to solve complex problems and improve products with a new perspective using existing solutions. The position performs tasks independently with minimal guidance, acts as a resource for colleagues with less experience and provides leadership to peers. The position impacts a range of customer, operational, project, or service objectives within R&D.
PRIMARY DUTIES & RESPONSIBILITIES:

• Leads requirements definition and analysis for new features and enhancements, working within cross-functional teams.
• Takes technical ownership of major subsystems of the cloud imaging platform - including their architecture, quality, security, and ongoing evolution - serving as the accountable engineer from design through deployment and post-release support.
• Estimates development efforts and provides accurate work progress status.
• Produces and maintains all software engineering deliverables including software documentation, code, test plans and test results.
• Assures that deliverables meet all relevant quality, safety, regulatory, serviceability, and reliability requirements.
• Reviews code proposals and submissions of teammates individually and in Design Reviews.
• Designs and develops scalable, high-performance backend services and RESTful APIs using C#/.NET for multi-tenant dental imaging and treatment planning platforms, including authentication and authorization (JWT, SSO, RBAC).
• Designs and develops React-based web applications, including user interfaces for dental imaging viewers and real-time features for acquisition workflows.
• Builds and deploys cloud-native solutions on Microsoft Azure, including containerized applications (Docker), cloud storage of imaging studies, and monitoring, logging, and alerting.
• Designs and optimizes database schemas for patient records, study management, and imaging metadata (SQL Server/PostgreSQL), including query optimization for large imaging datasets.
• Develops DICOM and intraoral X-ray ingestion and processing pipelines, including background job processing for imaging workflows.
• Implements security measures for sensitive medical data, including encryption at rest and in transit, role-based access control, and support for HIPAA and GDPR compliance.
• Builds and maintains CI/CD pipelines that support regulatory compliance.
• Completes other duties as assigned.

Job Requirements:

• Bachelor's degree in Computer Science, Electrical, Mechanical, or related engineering disciplines.
• 8+ years of related experience in related field.

Preferred Qualifications:

• C#, .NET, backend service and API development.
• Azure infrastructure and service development (e.g., App Services, Functions, Azure SQL, Blob Storage, Key Vault).
• Cloud-native architecture (microservices, containers/Docker, API gateways).
• React, TypeScript, and related frontend technologies; user interface development.
• SQL Server and/or PostgreSQL database design and query optimization.
• Authentication and authorization technologies (JWT, SSO, OAuth 2.0, RBAC).
• CI/CD pipeline development, Terraform, YAML.
• Medical imaging standards and workflows (DICOM, CBCT, intraoral imaging).
• Security and privacy frameworks for healthcare data (HIPAA, GDPR).
• Software development in an FDA-regulated industry.
• Experience working within a prescribed software development process.

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Target Market Salary Range:
Actual compensation packages take into account a wide range of factors that are unique to each candidate, including but not limited to geographic location; skill sets; relevant education and certifications; depth of experience; performance; and other business and organizational needs. The disclosed reasonable estimate has not been adjusted for the applicable geographic differential associated with the location at which the position may be filled. At Envista, it is not typical for an individual to be hired at or near the top of the range for their role and compensation decisions are dependent on the facts and circumstances of each case. The total compensation package for this position may also include an annual performance bonus, medical/dental/vision benefits, 401K match, and/or other applicable compensation plans.
$130,000 - $152,800
Operating Company:
DEXIS
Envista and all Envista Companies are equal opportunity employers that evaluate qualified applicants without regard to race, color, national origin, religion, sex, age, marital status, disability, veteran status, sexual orientation, gender identity, or other characteristics protected by law. The "EEO is the Law" poster is available at: http://www.dol.gov/ofccp/regs/ compliance/posters/pdf/eeopost.pdf.
Envista and its family of companies (Envista) will not accept unsolicited resumes from any source other than directly from a candidate. Envista will consider unsolicited referrals and/or resumes submitted by vendors such as search firms, staffing agencies, professional recruiters, fee-based referral services and recruiting agencies (Agency) to have been referred by the Agency free of charge and Envista will not pay a fee for any placement resulting from the receipt such unsolicited resumes. An Agency must obtain advance written approval from Envista's internal Talent Acquisition or Human Resources team to submit resumes, and then only in conjunction with a valid fully-executed contract approved by the Global Talent Acquisition leader and in response to a specific job opening. Envista will not pay a fee to any Agency that does not have such agreement and written approval in place.