The Role
Develop and improve algorithms for automated treatment planning software for Invisalign. Participate in end-to-end development, design, prototyping, code reviews, testing, documentation, and production support. Collaborate with clinical experts and product teams, implement complex algorithms in modern C++17 with full test coverage, follow medical-device regulatory and quality guidelines, mentor other developers, and drive performance, reliability, and architectural improvements.
Summary Generated by Built In
This position is ideal for experienced C++ engineers to join our team in developing and improving algorithms for automated treatment planning software for our Invisalign products. You will join a team responsible for the full end-to-end treatment journey from the initial consultation to the final stages of care, continuously improving the quality and experience for both doctors and patients through the Smile Architect platform enabling orthodontic and restorative, comprehensive, minimally invasive treatments with advanced visualisation. As a Sr. Software Engineer, you will participate in end-to-end software development, solving open-ended problems and implementing complex algorithms in high quality modern C++ code in a regulated environment.
Key Responsibilities
- Work in an agile team of developers and SQAs and collaborate with other development teams.
- Interact closely with clinical experts, project managers, and product owners, to understand problems, analyse specifications, formalize functional requirements, and prepare and deliver technical presentations and demos.
- Research and develop new features and create prototypes and proofs of concept.
- Participate in architectural design and project planning, design and sizing, and code and design reviews.
- Investigate and implement bug fixes and identify opportunities for code refactoring and reliability and performance improvements.
- Write high quality idiomatic C++17 code with full test coverage.
- Write technical documentation for newly implemented functionality.
- Follow architectural, quality, and regulatory guidelines for medical device software development, demonstrate technical leadership, assist and mentor other developers, and uphold high standards of trust, responsibility, and professionalism.
- Identify/mitigate risks and participate in production monitoring and support as needed.
Skills, Knowledge & Expertise
- Education: Bachelor’s or Master’s degree in Computer Science, Applied Mathematics, or related field.
- Experience:
o 8+ years of professional experience in similar positions, developing enterprise / commercial software, preferably in agile SDLC.
o 5+ years of practical experience and excellent knowledge of modern C++ development (C++17 and above)
- Skills:
o Solid foundation in mathematics, especially linear algebra and geometry
o Strong proficiency in C++ (17 or newer) and STL
o Knowledge of Python.
o Working knowledge and experience with MS Visual studio, git, and a unit testing framework.
- Highly motivated, creative, self-starter, with excellent organizational, communication and interpersonal skills and a “can do” attitude.
- Ability to work on open-ended research problems.
Complementary skills
- Mathematical background, and knowledge of optimization methods, linear algebra, analytical geometry, and/or 3D graphics on a university level.
- Experience working in highly regulated industries (such as Banking, Financial, Healthcare, Medical Devices, Aerospace, etc.)
- Experience in CI/CD pipelines and knowledge of tools, methodologies, and frameworks for automatic software testing and monitoring.
- Experience in Linux, cross-platform, and cloud-based (AWS) software development
About
Your growth and well-being:At Align, every smile matters. We’re committed to helping you thrive by supporting the health, growth, and well-being of our team members through a variety of tools and programs. While specific offerings may vary by location and role, Align employees can typically expect:Health and well-being programs to keep you thriving in both body and mind.Employee-exclusive discounts on Invisalign products.Learning opportunities through online learning resources and support for your individual development plans.Inclusive, global workplace that fosters collaboration, recognition and belonging.Country and/or role specific details will be shared with you by your recruiter during the interview process. Discover Align:We are a global community of game-changers and smart team players, united by our belief in the power of a smile. Our dynamic team of exceptional employees is dedicated to transforming the industry and creating extraordinary outcomes every day.Align’s core values of agility, customer, and accountability are more than words to work by, they are words we live by. The actions we take every day speak to who we are as a company and our focus on being truly impactful. We celebrate our differences, and the many ways we support one another— ultimately creating a more inclusive organization and world as we continue transforming smiles and changing lives.We foster a culture where thinking differently and seeking new experiences are not just encouraged but celebrated. With the Align Mindset, we empower each other, ensuring every voice is heard and valued in an inclusive environment that inspires creativity and collaboration.At Align, we believe in the power of a smile, and we know that every smile is as unique as our employees. As we grow, we are committed to building a workforce rich in diverse cultural backgrounds and life experiences, fostering a culture of open-mindedness and compassion. We live our company values by promoting healthy people and healthy communities, all with the intent of changing millions of lives, one unique smile at a time. As part of our commitment to innovation, Align Technology includes exocad and Cubicure, companies that enhance our offerings and extend our impact to industry transformation.Eager to learn how we embrace our global differences and nurture employee well-being? Explore Align's culture here!Want to discover more about exocad and Cubicure? Click on their names for additional information.
Skills Required
- Bachelor's or Master's degree in Computer Science, Applied Mathematics, or related field
- 8+ years professional software development experience
- 5+ years practical experience with modern C++ (C++17 or newer)
- Strong proficiency with STL and idiomatic C++17, writing high-quality code with full test coverage
- Solid foundation in mathematics (linear algebra and geometry)
- Knowledge of Python
- Working knowledge and experience with MS Visual Studio, git, and a unit testing framework
- Experience working in agile SDLC and collaborating with cross-functional teams
- Demonstrated technical leadership, mentoring, and ability to tackle open-ended research problems
- Experience with CI/CD pipelines, Linux, cross-platform development, and/or AWS
- Experience in highly regulated industries (medical devices, healthcare, aerospace, etc.)
Align Technology Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Align Technology and has not been reviewed or approved by Align Technology.
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Healthcare Strength — Health coverage includes medical, dental, vision, life, and both short‑ and long‑term disability, along with AD&D and wellness resources. Select locations add region‑specific programs such as medical coverage and Multisport, reinforcing breadth.
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Strong & Reliable Incentives — A corporate bonus plan outlines performance‑based rewards and eligibility, and compensation is described as competitive in commercial roles. Incentive structures in sales are portrayed as offering strong on‑target earnings potential.
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Retirement Support — Retirement programs feature a 401(k) plan with company contribution mechanisms, profit sharing, and a defined contribution pension plan. These elements emphasize long‑term financial security alongside salary and bonus.
Align Technology Insights
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The Company
What We Do
Twenty years ago, we pioneered the world's first clear aligners. Since then, we have continuously innovated with new products and technologies that are revolutionizing treatments for doctors and their patients. Invisalign clear aligners and the iTero Intraoral scanner help dental professionals achieve the clinical results they expect and deliver effective, advanced dental options to their patients. Helping change millions of lives, one smile at a time. Discover your straight path to a bright future at Align. As a part of our smart, diverse and fast-moving global team, you'll make an impact for the market leader that's moving an industry forward. Want to find out what’s next for us—and for you?
