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Amanda Koster Email & Phone Number

Senior UI Developer @ Sinelec USA | Ex-Amazon | Ex-T-Mobile at Sinelec USA
Location: Kingston, New York, United States 7 work roles 7 schools
1 work email found @t-mobile.com 3 phones found area 206 LinkedIn matched
✓ Verified Jul 2026 4 data sources Profile completeness 100%

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Work email a****@t-mobile.com
Direct phone (206) ***-****
LinkedIn Profile matched
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Current company
Role
Senior UI Developer @ Sinelec USA | Ex-Amazon | Ex-T-Mobile
Location
Kingston, New York, United States

Who is Amanda Koster? Overview

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Quick answer

Amanda Koster is listed as Senior UI Developer @ Sinelec USA | Ex-Amazon | Ex-T-Mobile at Sinelec USA, based in Kingston, New York, United States. AeroLeads shows a work email signal at t-mobile.com, phone signal with area code 206, and a matched LinkedIn profile for Amanda Koster.

Amanda Koster previously worked as Senior User Interface Developer at Sinelec Usa and Frontend Software Engineer, UI at Aardvark Intelligence. Amanda Koster holds Mern Stack: React, Foundations Of Software Development from Code Fellows.

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Email format at Sinelec USA

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{first}.{last}@t-mobile.com
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AeroLeads found 1 current-domain work email signal for Amanda Koster. Compare company email patterns before reaching out.

Profile bio

About Amanda Koster

Amanda Koster, based in Kingston, NY, is a software developer with a former career in international photojournalism and visual arts. Starting at Microsoft Azure Blockchain, she excelled in front-end development and later created a reusable React library with over 200 components at IQVIA. At T-Mobile, she built features utilizing geospatial and data visualization libraries such as MapboxGL, Carto, DeckGL, TurfJS, d3, and worked with a cross-functional team of developers, data scientists, UX/UI designers, product, and support analysts daily.At AARDVARK Intelligence, an AI startup for commercial assets, Amanda led front-end design and development for AI projects.For fun, she's developing a brewery app in React Native and Python to automate temperature controls, demonstrating her commitment to innovation and continuous learning.

Listed skills include Video Production, Publishing, Storytelling, Public Speaking, and 22 others.

Current workplace

Amanda Koster's current company

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Sinelec USA
Sinelec Usa
Senior UI Developer @ Sinelec USA | Ex-Amazon | Ex-T-Mobile
AeroLeads page
7 roles · 16 years

Amanda Koster work experience

A career timeline built from the work history available for this profile.

Senior User Interface Developer

Current

Nanuet, New York, Us

Sep 2024 - Present

Frontend Software Engineer, Ui

Aardvark Intelligence
Jan 2024 - Sep 2024

Software Engineer, Ui

Bellevue, Wa, Us

∙ Build with geospatial/visualization libraries (React+): MapboxGL, DeckGL, TurfJS, d3.∙ Work with a cross-functional team of developers, data scientists, UX/UI designers, sales, and support analysts daily.∙ Build and design frontends for a variety of personas and use cases, both customer-facing and internal.

Oct 2020 - Jan 2024

Frontend Engineer

Durham, North Carolina, Us

∙ TL;DR: building React Component Library/production code for > 50 global products:∙ Apollo Design System https://www.iqvia.com/library/white-papers/apollo∙ Core-contributor for IQVIA's React component library and style guide utilizing Material-UI, Style-guidist, and D3∙ Participated in full development lifecycle: requirements gathering, framework choices, prototyping, implementation, testing, examples/documentation, and adoption/support∙ Build, test and deploy reusable React component library for use with large data sets for newly acquired products and world-wide consumption ∙ Initiated and defined a systematic 'menu of options' for development of our acquisitions with varying code base∙ Implemented a JIRA template to reduce churn by 60%∙ Helped define a design system pipeline for UX -> UI -> DEV to reduce churn and deploy faster∙ Initiated and defined multiple POCs for exploration, testing and templating our reusable component library for base React/Redux/Salesforce products, Salesforce Corporate partners and contract teams∙ Researched the costly accessibility tools, alternatively sourcing free tools for design to audit designs for our reusable components library before submitting for development. This reduced rework and churn, streamlined our accessibility process and increased our accessibility compliance.∙ Presented reusable D3/React components in order to communicate the various nuances of building in D3 to clarify the process between design and engineering.

Jul 2018 - Oct 2020

Software Development Engineer

Redmond, Washington, Us

Microsoft Azure Blockchain WorkbenchREACT / REDUX / NODE∙ Implement Adobe Xd UX red-lines and prototypes∙ Implement a new Microsoft-wide Design System∙ Built React/Redux components ∙ Make multiple Node.js backend API integrations∙ Work alongside UX Designers and Back-end Engineers on extremely tight deadlines.

Mar 2018 - Jun 2018

Senior Visual Content Producer, Amazon

Seattle, Wa, Us

Developed strategy, produced and launch the end-to-end live action content arm of inaugural "Kindle In Motion" eBooks. Identified, NDA'd, on-boarded, and built a nationwide roster of vendors and partners. All "Kindle In Motion" titles received a minimum of 4.5 out of 5-star review, and 1 received Best Seller within 30 days of launch. Led a brainstorming/think tank that resulted in 7 pre-patent applications. Developed ideas through creating scenarios, sketches, storyboards, wireframes, motion studies, mock-ups and prototypes. Championed concepts and ideas to diverse groups of developers, editorial leaders, and executives in ad-hoc and formal presentations.Responsibilities include:∙ Creating and delivering feedback and coaching artists to improve material.∙ Recruit and develop junior creatives and vendor talent.∙ Develop goals and standards for internal development team.∙ Ensure that original programs and content meet the standards for company standards for quality.∙ Work with Legal team to review contractual terms and conditions related to new and ongoing agreements.∙ Lead resources allocation for projects and team. ∙ Generate compelling storytelling solutions ideas based on specific content needs.• Draft and edit content and proposals that support and advance Amazon Publishing.• Produce high-quality, innovative, cohesive deliverables that are customer-focused, simple and intuitive.• Work collaboratively with editors, designers, product managers, internal business partners, and other subject matter experts.• Participate in the full lifecycle of product development; including ideation, design, development, implementation, and testing.• Create documentation, requirements, and specifications to support development.• Collect and analyze data to support further iteration and decision making.• Stay on the cutting edge of what’s new in technology and storytelling, identifying opportunities to experiment and apply new technologies to tell great stories.

Mar 2015 - Sep 2016

Visual Content Producer And Project Manager

Redmond, Washington, Us

• Created multimedia tutorials and online content modules for eLearning to support various software applications.• Utilized Articulate Storyline and Quizmaker eLearning development tools to create technology-­based learning modules for critical certifications.• Led team of producers. Worked directly with Microsoft clients, IT, and Academy.

2011 - 2014 ~3 yrs
7 education records

Amanda Koster education

Mern Stack: React, Foundations Of Software Development

Code Fellows

Human-Centered Design

Coursera

Education record

Leadership Tomorrow - Seattle Chamber Of Commerce

Digital Marketing Intensive Taught By Amir Kabbar, Digital Marketing & Analytics Lead, Amazon

General Assembly

360 Video Pre And Post Production

Chronos Global Academy

B.Sc., Cultural Anthropology, Minor: Philosophy And Art

Southern Connecticut State University

Focus On Leadership, Relationship, Project Management, Team Building, Communication Courses

Landmark Education
FAQ

Frequently asked questions about Amanda Koster

Quick answers generated from the profile data available on this page.

What company does Amanda Koster work for?

Amanda Koster works for Sinelec USA.

What is Amanda Koster's role at Sinelec USA?

Amanda Koster is listed as Senior UI Developer @ Sinelec USA | Ex-Amazon | Ex-T-Mobile at Sinelec USA.

What is Amanda Koster's email address?

AeroLeads has found 1 work email signal at @t-mobile.com for Amanda Koster at Sinelec USA.

What is Amanda Koster's phone number?

AeroLeads has found 3 phone signal(s) with area code 206 for Amanda Koster at Sinelec USA.

Where is Amanda Koster based?

Amanda Koster is based in Kingston, New York, United States while working with Sinelec USA.

What companies has Amanda Koster worked for?

Amanda Koster has worked for Sinelec Usa, Aardvark Intelligence, T-Mobile, Iqvia, and Microsoft.

How can I contact Amanda Koster?

You can use AeroLeads to view verified contact signals for Amanda Koster at Sinelec USA, including work email, phone, and LinkedIn data when available.

What schools did Amanda Koster attend?

Amanda Koster holds Mern Stack: React, Foundations Of Software Development from Code Fellows.

What skills is Amanda Koster known for?

Amanda Koster is listed with skills including Video Production, Publishing, Storytelling, Public Speaking, Javascript, Node.Js, Cascading Style Sheets, and User Experience.

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