The Principal Applications Developer is a senior technical leader responsible for the design, delivery, and evolution of subsystems, capabilities, or cross-team initiatives. Principals are expected to make technical decisions that account for multiple perspectives and to actively guide teams toward sound, standard-aligned solutions, seeking broader agreement with development teams or management where appropriate. The role focuses on architectural integrity, technical strategy, and risk management across multiple teams or functional areas.
Key Responsibilities
- Lead the design and implementation of complex subsystems or solution capabilities end to end.
- Translate high-level goals into coherent technical strategies aligned with solution direction and business objectives.
- Select, evaluate, and recommend technologies, tools, and frameworks, guiding their adoption.
- Evaluate solution approaches considering effort, risk, quality, operability, and long-term sustainability.
- Deliver software initiatives of significant scope and complexity independently or with diverse teams.
- Proactively identify, manage, and resolve cross-system dependencies and architectural risks.
- Provide technical leadership during planning, execution, and critical problem resolution.
- Mentor developers across the software delivery lifecycle and guide technical decision-making.
- Represent technical viewpoints in reviews involving senior internal and external stakeholders.
- Contribute independently to customer-facing and industry-related activities.
Skills and Experience
- Expert-level knowledge of relevant technologies, platforms, and architectural patterns.
- Deep understanding of selected system domains with broad awareness of the wider solution landscape.
- Proven ability to influence technical direction across teams.
- Strong communication, leadership, and decision-making capabilities.
- Recognised expertise beyond immediate team or function.
We are an equal-opportunity employer and do not discriminate because of race, color, religion, sex, national origin, ancestry, marital status, veteran status, age, disability, sexual orientation or gender identity or expression or any other legally protected category. InterSystems is an E-Verify Employer in the United States.
InterSystems is providing a current good faith estimate of the anticipated base salary range for this position depending on a variety of factors including experience, education, skills, and performance.
Other compensation may include a discretionary annual variable target incentive.
The company also provides generous employee benefits including:
- Medical, vision, and dental insurance
- Short-term and long-term disability, and life insurance
- 401(k) Profit Sharing Contribution
- Paid Time Off and Holidays
- Parental Leave
- Tuition reimbursement
About InterSystems
InterSystems, a creative data technology provider, delivers a unified foundation for next-generation applications for healthcare, finance, manufacturing, and supply chain customers in more than 80 countries. Our data platforms solve interoperability, speed, and scalability problems for large organizations around the globe to unlock the power of data and allow people to perceive data in imaginative ways. Established in 1978, InterSystems is committed to excellence through its 24×7 support for customers and partners around the world. Privately held and headquartered in Boston, Massachusetts, InterSystems has 38 offices in 28 countries worldwide. For more information, please visit InterSystems.com.
Top Skills
What the Team is Saying
What We Do
InterSystems builds the software that makes complex systems work—reliably, securely, and at scale. For more than 45 years, we’ve been the information engine behind some of the world’s most mission-critical applications in healthcare, government, and business. Our data management, integration, and analytics technologies help organizations connect disparate systems, turn data into insight, and deliver better outcomes. From enabling interoperable healthcare and advancing clinical care, to powering national infrastructure and large-scale enterprise systems, our technology is used every day by millions of people in more than 80 countries. What sets InterSystems apart is not just what we build, but how we build it. We focus on long-term innovation, deep engineering excellence, and solving hard problems that truly matter. Our teams work closely with customers to tackle real-world challenges—often behind the scenes, but always at the heart of what keeps essential systems running. If you’re motivated by meaningful work, technical depth, and the opportunity to have a global impact, you’ll find it here.
Why Work With Us
Because we are a profitable, privately-held software company, we place our clients first in everything we do. You’ll work on meaningful, complex problems alongside deeply curious experts in a culture that values learning, ownership, and long-term growth—without the pressure of quarterly Wall Street demands.
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InterSystems Teams
InterSystems Offices
OnSite Workspace
For the first 3 or 6 months (experience and role dependent), we ask our employees to work in the office 5 days a week. After that time, our employees receive 24 work from home Fridays to use at their discretion throughout the year.
