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About Me

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Jillian S. Estrella
🏳️‍🌈 she/her 🏳️‍⚧️

Design systems engineer

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Current Work

Northwestern Mutual

I'm soooo excited‼️ to share that starting in July I will be joining the design system team at Northwestern Mutual, where I will be leading the contributions and integrations branch for their design system, Luna.

Previous Work

Previously, I worked for a nonprofit organization, BSCS Science Learning, whose mission is to transform science teaching and learning through research-driven innovation.

A critical part of my role within BSCS was to improve the experience for the developer, designer, and user. During my time with BSCS, I oversaw the adoption of innovative approaches to software and design such as design systems; component based, serverless, and microservice architectures; and the beloved Jamstack.

These innovations allowed my small team to keep pace with increasing demand. We were able to create BSCS's digital products with more efficiency and at a higher quality with lower product support costs.

A typical day for me involved architecting solutions to complex problems, overseeing BSCS's digital products throughout their lifecycle, guiding and mentoring my team, and designing/building UI's and UI components.

Astronomy and Physics

Prior to my career in software development, I was an astronomy and physics instructor. My courses introduced students to the skills required to think critically about the physical world and offered students experience in solving real-world problems.

In graduate school, I did research on the space environment of planets and comets. Colloquially known as “space weather,” my research investigated how the solar wind affects the magnetospheres, ionospheres, and upper atmospheres of these objects.


My studies focused on the theory of plasma physics, electromagnetism, fluid dynamics, atmospheric radiative transfer and their applications to solar physics and planetary science.

Emphasis was placed on numerical analysis, algorithms, and computational techniques for solving and analyzing physics and engineering problems.

I gained a strong foundation in classical mechanics, modern physics, electromagnetics, quantum mechanics, thermodynamics, condensed matter physics, nuclear & particle physics, plasma physics, circuit theory & design, and certified to design and machine custom parts for laboratory experiments in the physics department's state of the art machine shop.

I studied, in-depth, the current understanding of most astrophysical phenomena such as geophysics, atmospheric & planetary science, stellar structure & evolution, galaxies, neutron stars, and black holes.

Extracurricular Interests

Jillian and her family.

Jillian and her family.

In my free time I enjoy spending time with my beautiful family, creating visual and immersive art, adventuring in our van (#vanlife), practicing yoga, mountain biking, and I read a lot.

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Interested in collaborating?