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Added just now
Senior Application Engineer
Synopsys
Exton, PA
In this role, the Senior Application Engineer will join the AGI IT Application team and will be responsible for maintaining and improving AGI’s Application Services, including daily…
Added just now
Principal Application Engineer- Missile Defense
Synopsys
USA Off-Site, CO
The fidelity of your threat models will enable more realistic testing of battle management algorithms, reducing risk in system integration
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Applications Engineering, Architect- Missile Defense
Synopsys
Exton, PA
Implement sensing system models within frameworks like STK and AFSIM, representing track fusion, discrimination logic, and custody management across the missile defense kill chain
Added just now
MB
Project Manager, Bridges & Structures
Massachusetts Bay Transportation Authority
Boston, MA
- $147,268.94 USD / year
At the MBTA, we envision a thriving region enabled by a best-in-class transit system. Our mission is to serve the public by providing safe, reliable, and accessible transportation. MBTA’s…
Added 1 min ago
Software Development Engineer, Amazon Quick
Amazon Development Center U.S., Inc.
Seattle, WA
The Amazon Quick team is looking for an exceptional Software Development Engineer for a strategic new initiative. Amazon Quick is a generative AI–powered assistant that can answer…
Added 3 mins ago
1st Shift Receiving Checker
Family Dollar
Maquoketa, IA
Unloads and receives all inbound merchandise. Checks accuracy before receiving merchandise into the Catalyst/WMS system. Utilizes a lumper service. Builds and secures pallets for storage.…
Added 4 mins ago
SO
Engineer 6 Deridder Construction
State of Louisiana
DeRidder, LA
- $54.06 to $69.5 USD / hour
DOTD is seeking an experienced engineer to serve as the Engineer 6 expert while supervising lower-level Engineers or Engineering Technicians.
Added 4 mins ago
SO
OPERATING ENGINEER 1 - 2
State of Louisiana
Pineville, LA
- $18.38 to $33.08 USD / hour
We are seeking a dedicated, hardworking individual as an Operating Engineer 1-2 to assist in the daily operation of the duties of the Area Maintenance Department on the Closed Facilities…
Added 4 mins ago
Artificial Intelligence Software Engineer
PNC Bank NA
PA · Strongsville, OH · Birmingham, AL · Dallas, TX
…contribute to the company’s success. As a(n) Artificial Intelligence Engineer within PNC's technology organization, you will be based in Pittsburgh, PA, Dallas, TX, Strongsville, OH,…
Added 4 mins ago
Software Engineer - AI
PNC Bank NA
PA · Strongsville, OH · Birmingham, AL · Dallas, TX
…opportunity to contribute to the company’s success. As a(n) Software Engineer - AI within PNC's technology organization, you will be based in Pittsburgh, PA, Dallas, TX, Strongsville, OH,…
Added 4 mins ago
Software Engineer - AI Agents / Generative AI
PNC Bank NA
PA · Strongsville, OH · Birmingham, AL · Dallas, TX
…opportunity to contribute to the company’s success. As a Software Engineer - AI Agents / Generative AI within PNC's technology organization, you will be based in Pittsburgh, PA, Dallas, TX,…
Added 4 mins ago
Senior Software Engineer, Database Automation Engineer
PNC Bank NA
PA · Strongsville, OH · Birmingham, AL · Dallas, TX
…contribute to the company’s success. As a Senior Database Automation Engineer within PNC's Technology organization, you will be based in Pittsburgh, PA, Dallas, TX, Birmingham, AL, Denver,…
Added 4 mins ago
Senior Software Engineer - Database Automation and Platform Engineering
PNC Bank NA
PA · Strongsville, OH · Birmingham, AL · Dallas, TX
…to contribute to the company’s success. As a Senior Software Engineer within PNC's Technology organization, you will be based in Pittsburgh, PA, Dallas, TX, Denver, CO, Birmingham, AL or…
Added 4 mins ago
Senior Software Engineer, Database Automation
PNC Bank NA
PA · Strongsville, OH · Birmingham, AL · Dallas, TX
…to contribute to the company’s success. As a Senior Software Engineer within PNC's Technology organization, you will be based in Pittsburgh, PA, Denver, CO, Dallas, TX, Strongsville, OH or…
Added 5 mins ago
Senior Software Engineer
Western Governors University
Salt Lake City, UT
…technology, AI, and workforce development. As a Senior Software Engineer, you will play a key role in designing, building, and evolving the platforms that support WGU students and internal…
Added 6 mins ago
Software Engineer II - Discover Studio
Qualtrics
Reston, VA
At Qualtrics, capturing and making sense of human sentiment at scale is at the heart of what we do. As a Software Engineer on the XM Discover Studio team, you will build customer-facing…
Added 6 mins ago
VI
Quality Engineer
Verify Inc.
San Diego, CA
- $35 USD / hour
Quality Engineer defines and implements quality assurance solutions to a wide range of complex issues. Ensures a high reliability and proper performance per product requirements. Analyzes…
Added 6 mins ago
Senior Systems Engineer, Vehicle Security
Waymo
Mountain View, CA
Develop and own comprehensive vehicle system security requirements aligned with the high-level vehicle platform security strategy
Added 7 mins ago
EB
Maintenance Technician
Ecumen Branding
White Bear Lake, MN
- $25.5 to $29.5 USD / hour
Minnesota Special Engineer Boiler License or ability to obtain within 6 months of hire
Added 8 mins ago
Senior Software Engineer
Harvard University
Boston, MA
The Senior Software Engineer role focuses on developing secure new applications and functionality, enhancing and supporting existing applications, providing system redundancy, and…
Added 11 mins ago
CO
Environmental Specialist I
CITY OF BEDFORD
Bedford, TX
- $30.51 to $38.12 USD / hour
Under the direction of the City Engineer, this position is responsible for assigned Environmental programs, which may include stormwater management, surface water pollution control, water…
Added 11 mins ago
RA
Sr. Embedded Software Engineers
Rivian and Volkswagen Group Technologies
Palo Alto, CA
- $188,000 to $220,000 USD / year
…field and 2 years of experience in any occupation as firmware engineer, software engineer, or related. Must have experience working with the following: Programming embedded firmware in C…
Added 11 mins ago
RA
Staff Embedded Software Engineers
Rivian and Volkswagen Group Technologies
Palo Alto, CA
- $222,000 to $279,000 USD / year
…field and 4 years of experience in any occupation as Software Engineer, Embedded RTOS Engineer, or related. Must have experience working with the following: working with protocols LIN, and…
Added 12 mins ago
Senior End User Engineer
Fiserv
Berkeley Heights, NJ
The End User Computing Windows Engineer is responsible for providing technical support, maintenance, and optimization for end-user devices and applications, focusing on Windows operating…
Added 13 mins ago
Commercial Building Maintenance Mechanic/Engineer
Parkway
Philadelphia, PA
Reports To: Maintenance Supervisor/Chief Engineer

Mercury

Senior Software Engineer - Design Systems

Remote, United States

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Job details

Experience: 7+ years of frontend development, with deep experience in React, TypeScript, and modern web technologies.
Posting language: English
Posted: Nov 6, 2026

Original job description

"We may say most aptly that the Analytical Engine weaves algebraic patterns just as the Jacquard loom weaves flowers and leaves." - Ada Lovelace, 1843

What Lovelace saw in the loom was the pattern - flowers and leaves, repeated faithfully, each one begun by a hand that chose it. Mercury is built from patterns too. Every component, every interaction our customers come to trust, starts with someone deciding how it should go, and making it good enough to be used again and again. Tending those patterns, and giving everyone at Mercury the means to weave with them, is the work of our Design System team, and the north star of this role.

As a Senior Frontend Engineer on the Design Systems team, you will build and care for those patterns: the components and foundations that everything else at Mercury is built on. Done well, a single decision here makes every product team faster.

The ground under that work is shifting, though. Software is being built in new ways, and AI is increasingly part of how design systems are made and used. We are looking for someone who is fluent at that intersection: deeply versed in design systems, and equally as serious about what it takes to build a system that holds up at the leading edge of AI.

As part of this role, you will:

Build and maintain the components, patterns, and foundations (tokens, type, color, layout) that Mercury's product is woven from, holding a high bar for accessibility, performance, and pixel-level craft.
Lead projects that ship new UI patterns to solve real pain points for product teams, helping them build better experiences faster.
Develop a design system that's as ready for AI as it is for people, applying the technology to create leveraged outcomes.
Invest in the design system's prototyping experience, shaping the next iteration of how our design function rapidly prototypes, iterates on the product, and explores new concepts.
Raise the craft and AI fluency of the people around you, through mentorship and clear best practices.

The ideal candidate for the role:

We're looking for someone who cares about the foundational work that lets other people do their best work, and who's eager to help define what a design system means in a world where agents build alongside us. A successful candidate will likely have:

7+ years of frontend development, with deep experience in React, TypeScript, and modern web technologies.
Experience building or maintaining a design system or shared component library.
A thorough command of modern frontend tooling: build systems, CI/CD, and testing.
High agency, and comfort creating clarity in ambiguous spaces. You take ownership and move without waiting for a defined path.
First-principles systems thinking that stays oriented to outcomes. You make clear decisions that drive toward results instead of getting stuck in open questions.
Strong product taste, and an instinct for leverage: the change that makes many teams better, not the one component polished in isolation.
Hands-on fluency at the intersection of AI and software development: a real command of how emerging AI paradigms are changing the way software gets built, and the ability to turn that into practical leverage, both for the design system itself and for the people who build on it.

If this role interests you, we invite you to explore our public demo at demo.mercury.com.

*Mercury is a fintech company, not an FDIC-insured bank. Banking services provided through Choice Financial Group and Column N.A., Members FDIC.

Mercury values diversity & belonging and is proud to be an Equal Employment Opportunity employer. All individuals seeking employment at Mercury are considered without regard to race, color, religion, national origin, age, sex, marital status, ancestry, physical or mental disability, veteran status, gender identity, sexual orientation, or any other legally protected characteristic. We are committed to providing reasonable accommodations throughout the recruitment process for applicants with disabilities or special needs. If you need assistance, or an accommodation, please let your recruiter know once you are contacted about a role.

Total Rewards The total rewards package at Mercury includes base salary, equity (stock options/RSUs), and benefits.

Our salary and equity ranges are highly competitive within the SaaS and fintech industry and are updated regularly using the most reliable compensation survey data for our industry. New hire offers are made based on a candidate’s experience, expertise, geographic location, and internal pay equity relative to peers.

Our target new hire base salary ranges for this role are the following:

US employees (any location):

$200,700 - $250,900 USD

Canadian employees (any location):

$189,700 - $237,100 CAD

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Skills

Front-end development
React
TypeScript
CI/CD
Systems thinking
Software development

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