Principal Mobile Engineer

Principal Engineer

www.ninety.io | Remote

At Ninety, we help people build extraordinarily productive, humane, and resilient organizations.

Ninety is an innovative learning, support, and technology SaaS platform that simplifies the hard work of creating focused, aligned, and thriving teams. Our integrated collection of time‑tested business building and awareness tools, along with industry‑leading educational materials, not only simplifies the hard work associated with building great organizations but also organizes, stores, and makes all the associated information easily accessible.

We believe work shouldn’t suck, and for 200,000 users and counting, it doesn’t.

As Ninety continues to experience exceptional growth, we are looking to bring on a Principal Engineer who will lead the development of our products and who will report to an Engineering Lead.

As a Principal Engineer, you will be a strategic technical leader responsible for shaping the architecture and long‑term vision of our SaaS operations and distributed systems. You will drive critical projects, influence engineering culture, and ensure the delivery of robust and scalable software solutions on a daily basis.

To be successful in this role, you must have:

• Growth mindset.
• Strong balance between perfection and pragmatism.
• Team based orientation.

Your

Key Responsibilities:

• Define and drive the technical strategy and architecture for SaaS operations and distributed systems.
• Lead the development and implementation of innovative solutions to complex technical challenges.
• Collaborate with senior leadership to align technical initiatives with business goals.
• Mentor and coach engineering teams to foster a culture of excellence and continuous improvement.
• Conduct high‑level code and architecture reviews to ensure adherence to best practices.
• Stay abreast of emerging technologies and industry trends to inform strategic decisions.

What Success Looks Like:

• Deliver market‑aligned outcomes.
• Build testable, observable, and independently deployable code.

Preferred Qualifications:

• Bachelor's or Master’s degree in Computer Science, Engineering, or a related field.
• 8+ years of experience in software development, with extensive experience in SaaS operations and distributed systems.
• Deep expertise in designing and building scalable, distributed systems.
• Proven leadership skills with the ability to influence and drive technical direction.
• Strong proficiency in multiple programming languages and cloud platforms.
• Exceptional problem‑solving skills and strategic thinking
• Proven track record of delivering high quality cross‑platform mobile applications to both the Apple App store and Google Play store
• Deep knowledge of at least one cross‑platform framework such as React Native, Ionic, Phone Gap/Cordova or Flutter
• Strong native development expertise in both Android (Kotlin/Java) and iOS (Swift/Objective‑C).
• Strong debugging skills and deep understanding of mobile performance profiling tools

Ninety’s focus on helping organizations focus, align, and thrive isn’t just for our clients. We also believe deeply in helping our employees flourish. At 90, we focus on attracting, developing, and retaining our kind of great people. How?

• We believe in Work From Anywhere, giving our employees the freedom and flexibility to work from wherever they need to live their best life.
• As‑needed vacation. Don’t worry about punching the clock or losing days.
• Health and Dental insurance with employer contribution toward premiums
• Employer Paid Life insurance and Long Term Disability Coverage
• HSA, FSA, and DCFSA accounts available.
• Productivity/Wellness allowance.
• Generous Paid Parental Leave
• Professional development allowance.
• Technology allowance.
• Company gatherings with travel allowance.

• Why we love doing what we do:
  Small to midsize businesses are the foundation of almost every healthy community. They provide not just employment but opportunities for people to learn, grow and become leaders who take responsibility for the well‑being of the community.

• Our values:

G…Get Smart Stuff Done

T…Teamwork

R…Resilient

I… Inquisitive

B…Best

E…Extra Mile

The “Seat” we have open

Once we are confident we have someone who is a great core‑value fit and well suited for the seat they are in, we provide a high degree of autonomy so they can master their seat leveraging their Unique Abilities™ and then take on more and more responsibility.

If the above sounds appealing to you, we invite you to apply and see if you are well suited to help us help companies achieve real, healthy, and sustainable growth!